merge Percona-Server-5.5.32-rel31.0.tar.gz

47 files changed, 1257 insertions, 657 deletions

diff --git a/storage/xtradb/btr/btr0cur.c b/storage/xtradb/btr/btr0cur.c
index 488212f087c..1349ac9e474 100644
--- a/storage/xtradb/btr/btr0cur.c
+++ b/storage/xtradb/btr/btr0cur.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1994, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1994, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
 
 Portions of this file contain modifications contributed and copyrighted by
@@ -1349,27 +1349,13 @@ btr_cur_optimistic_insert(
 		Subtract one byte for the encoded heap_no in the
 		modification log. */
 		ulint	free_space_zip = page_zip_empty_size(
-			cursor->index->n_fields, zip_size) - 1;
+			cursor->index->n_fields, zip_size);
 		ulint	n_uniq = dict_index_get_n_unique_in_tree(index);
 
 		ut_ad(dict_table_is_comp(index->table));
 
-		/* There should be enough room for two node pointer
-		records on an empty non-leaf page.  This prevents
-		infinite page splits. */
-
-		if (UNIV_LIKELY(entry->n_fields >= n_uniq)
-		    && UNIV_UNLIKELY(REC_NODE_PTR_SIZE
-				     + rec_get_converted_size_comp_prefix(
-					     index, entry->fields, n_uniq,
-					     NULL)
-				     /* On a compressed page, there is
-				     a two-byte entry in the dense
-				     page directory for every record.
-				     But there is no record header. */
-				     - (REC_N_NEW_EXTRA_BYTES - 2)
-				     > free_space_zip / 2)) {
-
+		if (free_space_zip == 0) {
+too_big:
 			if (big_rec_vec) {
 				dtuple_convert_back_big_rec(
 					index, entry, big_rec_vec);
@@ -1377,6 +1363,27 @@ btr_cur_optimistic_insert(
 
 			return(DB_TOO_BIG_RECORD);
 		}
+
+		/* Subtract one byte for the encoded heap_no in the
+		modification log. */
+		free_space_zip--;
+
+		/* There should be enough room for two node pointer
+		records on an empty non-leaf page.  This prevents
+		infinite page splits. */
+
+		if (entry->n_fields >= n_uniq
+		    && (REC_NODE_PTR_SIZE
+			+ rec_get_converted_size_comp_prefix(
+				index, entry->fields, n_uniq, NULL)
+			/* On a compressed page, there is
+			a two-byte entry in the dense
+			page directory for every record.
+			But there is no record header. */
+			- (REC_N_NEW_EXTRA_BYTES - 2)
+			> free_space_zip / 2)) {
+			goto too_big;
+		}
 	}
 
 	LIMIT_OPTIMISTIC_INSERT_DEBUG(page_get_n_recs(page),
diff --git a/storage/xtradb/buf/buf0buf.c b/storage/xtradb/buf/buf0buf.c
index ae4b2fba98d..1084dcdf344 100644
--- a/storage/xtradb/buf/buf0buf.c
+++ b/storage/xtradb/buf/buf0buf.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
 
 Portions of this file contain modifications contributed and copyrighted by
@@ -581,6 +581,8 @@ UNIV_INTERN
 ibool
 buf_page_is_corrupted(
 /*==================*/
+	ibool		check_lsn,	/*!< in: TRUE if we need to check
+					and complain about the LSN */
 	const byte*	read_buf,	/*!< in: a database page */
 	ulint		zip_size)	/*!< in: size of compressed page;
 					0 for uncompressed pages */
@@ -600,7 +602,7 @@ buf_page_is_corrupted(
 	}
 
 #ifndef UNIV_HOTBACKUP
-	if (recv_lsn_checks_on) {
+	if (check_lsn && recv_lsn_checks_on) {
 		ib_uint64_t	current_lsn;
 
 		if (log_peek_lsn(&current_lsn)
@@ -1998,7 +2000,7 @@ lookup:
 		buf_read_page(space, zip_size, offset, trx);
 
 #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
-		ut_a(++buf_dbg_counter % 37 || buf_validate());
+		ut_a(++buf_dbg_counter % 5771 || buf_validate());
 #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
 	}
 
@@ -2556,6 +2558,10 @@ loop2:
 			retries = 0;
 		} else if (retries < BUF_PAGE_READ_MAX_RETRIES) {
 			++retries;
+			DBUG_EXECUTE_IF(
+				"innodb_page_corruption_retries",
+				retries = BUF_PAGE_READ_MAX_RETRIES;
+			);
 		} else {
 			fprintf(stderr, "InnoDB: Error: Unable"
 				" to read tablespace %lu page no"
@@ -2577,7 +2583,7 @@ loop2:
 		}
 
 #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
-		ut_a(++buf_dbg_counter % 37 || buf_validate());
+		ut_a(++buf_dbg_counter % 5771 || buf_validate());
 #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
 		goto loop;
 	}
@@ -2593,6 +2599,7 @@ got_block:
 		/* The page is being read to buffer pool,
 		but we cannot wait around for the read to
 		complete. */
+null_exit:
 		//buf_pool_mutex_exit(buf_pool);
 		mutex_exit(block_mutex);
 
@@ -2603,7 +2610,6 @@ got_block:
 			  srv_pass_corrupt_table <= 1)) {
 
 		mutex_exit(block_mutex);
-
 		return(NULL);
 	}
 
@@ -2622,6 +2628,14 @@ got_block:
 	case BUF_BLOCK_ZIP_PAGE:
 	case BUF_BLOCK_ZIP_DIRTY:
 		ut_ad(block_mutex == &buf_pool->zip_mutex);
+		if (mode == BUF_PEEK_IF_IN_POOL) {
+			/* This mode is only used for dropping an
+			adaptive hash index.  There cannot be an
+			adaptive hash index for a compressed-only
+			page, so do not bother decompressing the page. */
+			goto null_exit;
+		}
+
 		bpage = &block->page;
 		/* Protect bpage->buf_fix_count. */
 		//mutex_enter(&buf_pool->zip_mutex);
@@ -3779,7 +3793,7 @@ buf_page_create(
 	memset(frame + FIL_PAGE_FILE_FLUSH_LSN, 0, 8);
 
 #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
-	ut_a(++buf_dbg_counter % 357 || buf_validate());
+	ut_a(++buf_dbg_counter % 5771 || buf_validate());
 #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
 #ifdef UNIV_IBUF_COUNT_DEBUG
 	ut_a(ibuf_count_get(buf_block_get_space(block),
@@ -3933,7 +3947,7 @@ buf_page_io_complete(
 		/* From version 3.23.38 up we store the page checksum
 		to the 4 first bytes of the page end lsn field */
 
-		if (buf_page_is_corrupted(frame,
+		if (buf_page_is_corrupted(TRUE, frame,
 					  buf_page_get_zip_size(bpage))) {
 corrupt:
 			fprintf(stderr,
diff --git a/storage/xtradb/buf/buf0rea.c b/storage/xtradb/buf/buf0rea.c
index 5edbeadb64e..628107d64dc 100644
--- a/storage/xtradb/buf/buf0rea.c
+++ b/storage/xtradb/buf/buf0rea.c
@@ -220,7 +220,7 @@ not_to_recover:
 
 	ut_ad(buf_page_in_file(bpage));
 
-	if(sync) {
+	if (sync) {
 		thd_wait_begin(NULL, THD_WAIT_DISKIO);
 	}
 
diff --git a/storage/xtradb/dict/dict0crea.c b/storage/xtradb/dict/dict0crea.c
index 90e5e7eb7f6..70798b09fec 100644
--- a/storage/xtradb/dict/dict0crea.c
+++ b/storage/xtradb/dict/dict0crea.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -42,6 +42,22 @@ Created 1/8/1996 Heikki Tuuri
 #include "trx0roll.h"
 #include "usr0sess.h"
 #include "ut0vec.h"
+#include "ha_prototypes.h"
+
+/*************************************************************************
+Checks if a table name contains the string TEMP_TABLE_PATH_PREFIX which
+denotes temporary tables in MySQL. */
+static
+ibool
+row_is_mysql_tmp_table_name(
+/*========================*/
+				/* out: TRUE if temporary table */
+	const char*     name)   /* in: table name in the form
+				'database/tablename' */
+{
+	return(strstr(name, TEMP_TABLE_PATH_PREFIX) != NULL);
+}
+
 
 /*****************************************************************//**
 Based on a table object, this function builds the entry to be inserted
@@ -1630,18 +1646,46 @@ dict_create_add_foreign_to_dictionary(
 {
 	ulint		error;
 	ulint		i;
-
-	pars_info_t*	info = pars_info_create();
+	pars_info_t*	info;
 
 	if (foreign->id == NULL) {
 		/* Generate a new constraint id */
 		ulint	namelen	= strlen(table->name);
 		char*	id	= mem_heap_alloc(foreign->heap, namelen + 20);
-		/* no overflow if number < 1e13 */
-		sprintf(id, "%s_ibfk_%lu", table->name, (ulong) (*id_nr)++);
+
+		if (row_is_mysql_tmp_table_name(table->name)) {
+			sprintf(id, "%s_ibfk_%lu", table->name,
+				(ulong) (*id_nr)++);
+		} else {
+			char	table_name[MAX_TABLE_NAME_LEN + 20] = "";
+			uint	errors = 0;
+
+			strncpy(table_name, table->name,
+				MAX_TABLE_NAME_LEN + 20);
+
+			innobase_convert_to_system_charset(
+				strchr(table_name, '/') + 1,
+				strchr(table->name, '/') + 1,
+				MAX_TABLE_NAME_LEN, &errors);
+
+			if (errors) {
+				strncpy(table_name, table->name,
+					MAX_TABLE_NAME_LEN + 20);
+			}
+
+			sprintf(id, "%s_ibfk_%lu", table_name,
+				(ulong) (*id_nr)++);
+
+			if (innobase_check_identifier_length(
+				strchr(id,'/') + 1)) {
+				return(DB_IDENTIFIER_TOO_LONG);
+			}
+		}
 		foreign->id = id;
 	}
 
+	info = pars_info_create();
+
 	pars_info_add_str_literal(info, "id", foreign->id);
 
 	pars_info_add_str_literal(info, "for_name", table->name);
diff --git a/storage/xtradb/dict/dict0dict.c b/storage/xtradb/dict/dict0dict.c
index 817da6e6074..619634028af 100644
--- a/storage/xtradb/dict/dict0dict.c
+++ b/storage/xtradb/dict/dict0dict.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -775,8 +775,11 @@ dict_table_get(
 		/* If table->ibd_file_missing == TRUE, this will
 		print an error message and return without doing
 		anything. */
-		dict_update_statistics(table, TRUE /* only update stats
-				       if they have not been initialized */, FALSE);
+		dict_update_statistics(
+			table,
+			TRUE, /* only update stats if not initialized */
+			FALSE,
+			FALSE /* update even if not changed too much */);
 	}
 
 	return(table);
@@ -1119,22 +1122,78 @@ dict_table_rename_in_cache(
 			dict_mem_foreign_table_name_lookup_set(foreign, FALSE);
 		}
 		if (strchr(foreign->id, '/')) {
+			/* This is a >= 4.0.18 format id */
+
 			ulint	db_len;
 			char*	old_id;
+			char    old_name_cs_filename[MAX_TABLE_NAME_LEN+20];
+			uint    errors = 0;
+
+			/* All table names are internally stored in charset
+			my_charset_filename (except the temp tables and the
+			partition identifier suffix in partition tables). The
+			foreign key constraint names are internally stored
+			in UTF-8 charset.  The variable fkid here is used
+			to store foreign key constraint name in charset
+			my_charset_filename for comparison further below. */
+			char    fkid[MAX_TABLE_NAME_LEN+20];
+			ibool	on_tmp = FALSE;
+
+			/* The old table name in my_charset_filename is stored
+			in old_name_cs_filename */
+
+			strncpy(old_name_cs_filename, old_name,
+				MAX_TABLE_NAME_LEN);
+			if (strstr(old_name, TEMP_TABLE_PATH_PREFIX) == NULL) {
+
+				innobase_convert_to_system_charset(
+					strchr(old_name_cs_filename, '/') + 1,
+					strchr(old_name, '/') + 1,
+					MAX_TABLE_NAME_LEN, &errors);
+
+				if (errors) {
+					/* There has been an error to convert
+					old table into UTF-8.  This probably
+					means that the old table name is
+					actually in UTF-8. */
+					innobase_convert_to_filename_charset(
+						strchr(old_name_cs_filename,
+						       '/') + 1,
+						strchr(old_name, '/') + 1,
+						MAX_TABLE_NAME_LEN);
+				} else {
+					/* Old name already in
+					my_charset_filename */
+					strncpy(old_name_cs_filename, old_name,
+						MAX_TABLE_NAME_LEN);
+				}
+			}
 
-			/* This is a >= 4.0.18 format id */
+			strncpy(fkid, foreign->id, MAX_TABLE_NAME_LEN);
+
+			if (strstr(fkid, TEMP_TABLE_PATH_PREFIX) == NULL) {
+				innobase_convert_to_filename_charset(
+					strchr(fkid, '/') + 1,
+					strchr(foreign->id, '/') + 1,
+					MAX_TABLE_NAME_LEN+20);
+			} else {
+				on_tmp = TRUE;
+			}
 
 			old_id = mem_strdup(foreign->id);
 
-			if (ut_strlen(foreign->id) > ut_strlen(old_name)
+			if (ut_strlen(fkid) > ut_strlen(old_name_cs_filename)
 			    + ((sizeof dict_ibfk) - 1)
-			    && !memcmp(foreign->id, old_name,
-				       ut_strlen(old_name))
-			    && !memcmp(foreign->id + ut_strlen(old_name),
+			    && !memcmp(fkid, old_name_cs_filename,
+				       ut_strlen(old_name_cs_filename))
+			    && !memcmp(fkid + ut_strlen(old_name_cs_filename),
 				       dict_ibfk, (sizeof dict_ibfk) - 1)) {
 
 				/* This is a generated >= 4.0.18 format id */
 
+				char	table_name[MAX_TABLE_NAME_LEN] = "";
+				uint	errors = 0;
+
 				if (strlen(table->name) > strlen(old_name)) {
 					foreign->id = mem_heap_alloc(
 						foreign->heap,
@@ -1142,11 +1201,36 @@ dict_table_rename_in_cache(
 						+ strlen(old_id) + 1);
 				}
 
+				/* Convert the table name to UTF-8 */
+				strncpy(table_name, table->name,
+					MAX_TABLE_NAME_LEN);
+				innobase_convert_to_system_charset(
+					strchr(table_name, '/') + 1,
+					strchr(table->name, '/') + 1,
+					MAX_TABLE_NAME_LEN, &errors);
+
+				if (errors) {
+					/* Table name could not be converted
+					from charset my_charset_filename to
+					UTF-8. This means that the table name
+					is already in UTF-8 (#mysql#50). */
+					strncpy(table_name, table->name,
+						MAX_TABLE_NAME_LEN);
+				}
+
 				/* Replace the prefix 'databasename/tablename'
 				with the new names */
-				strcpy(foreign->id, table->name);
-				strcat(foreign->id,
-				       old_id + ut_strlen(old_name));
+				strcpy(foreign->id, table_name);
+				if (on_tmp) {
+					strcat(foreign->id,
+					       old_id + ut_strlen(old_name));
+				} else {
+					sprintf(strchr(foreign->id, '/') + 1,
+						"%s%s",
+						strchr(table_name, '/') +1,
+						strstr(old_id, "_ibfk_") );
+				}
+
 			} else {
 				/* This is a >= 4.0.18 format id where the user
 				gave the id name */
@@ -1529,6 +1613,10 @@ dict_index_too_big_for_tree(
 	/* maximum allowed size of a node pointer record */
 	ulint	page_ptr_max;
 
+	DBUG_EXECUTE_IF(
+		"ib_force_create_table",
+		return(FALSE););
+
 	comp = dict_table_is_comp(table);
 	zip_size = dict_table_zip_size(table);
 
@@ -1543,7 +1631,10 @@ dict_index_too_big_for_tree(
 		number in the page modification log.  The maximum
 		allowed node pointer size is half that. */
 		page_rec_max = page_zip_empty_size(new_index->n_fields,
-						   zip_size) - 1;
+						   zip_size);
+		if (page_rec_max) {
+			page_rec_max--;
+		}
 		page_ptr_max = page_rec_max / 2;
 		/* On a compressed page, there is a two-byte entry in
 		the dense page directory for every record.  But there
@@ -4707,7 +4798,12 @@ dict_update_statistics(
 					update/recalc the stats if they have
 					not been initialized yet, otherwise
 					do nothing */
-	ibool		sync)		/*!< in: TRUE if must update SYS_STATS */
+	ibool		sync,		/*!< in: TRUE if must update
+					SYS_STATS */
+	ibool		only_calc_if_changed_too_much)/*!< in: only
+					update/recalc the stats if the table
+					has been changed too much since the
+					last stats update/recalc */
 {
 	dict_index_t*	index;
 	ulint		sum_of_index_sizes	= 0;
@@ -4758,7 +4854,10 @@ dict_update_statistics(
 
 	dict_table_stats_lock(table, RW_X_LATCH);
 
-	if (only_calc_if_missing_stats && table->stat_initialized) {
+	if ((only_calc_if_missing_stats && table->stat_initialized)
+	    || (only_calc_if_changed_too_much
+		&& !DICT_TABLE_CHANGED_TOO_MUCH(table))) {
+
 		dict_table_stats_unlock(table, RW_X_LATCH);
 		return;
 	}
@@ -5000,8 +5099,14 @@ dict_table_print_low(
 
 	ut_ad(mutex_own(&(dict_sys->mutex)));
 
-	if (srv_stats_auto_update)
-		dict_update_statistics(table, FALSE /* update even if initialized */, FALSE);
+	if (srv_stats_auto_update) {
+
+		dict_update_statistics(
+			table,
+			FALSE /* update even if initialized */,
+			FALSE,
+			FALSE /* update even if not changed too much */);
+	}
 
 	dict_table_stats_lock(table, RW_S_LATCH);
 
diff --git a/storage/xtradb/dict/dict0load.c b/storage/xtradb/dict/dict0load.c
index cdef0d1b270..1bc3a204221 100644
--- a/storage/xtradb/dict/dict0load.c
+++ b/storage/xtradb/dict/dict0load.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2013, Innobase Oy. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -354,8 +354,11 @@ dict_process_sys_tables_rec(
 
 		/* Update statistics if DICT_TABLE_UPDATE_STATS
 		is set */
-		dict_update_statistics(*table, FALSE /* update even if
-				       initialized */, FALSE);
+		dict_update_statistics(
+			*table,
+			FALSE, /* update even if initialized */
+			FALSE,
+			FALSE /* update even if not changed too much */);
 	}
 
 	return(NULL);
diff --git a/storage/xtradb/dyn/dyn0dyn.c b/storage/xtradb/dyn/dyn0dyn.c
index e1275f040f3..d0f50ad0c32 100644
--- a/storage/xtradb/dyn/dyn0dyn.c
+++ b/storage/xtradb/dyn/dyn0dyn.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -35,7 +35,7 @@ UNIV_INTERN
 dyn_block_t*
 dyn_array_add_block(
 /*================*/
-	dyn_array_t*	arr)	/*!< in: dyn array */
+	dyn_array_t*	arr)	/*!< in/out: dyn array */
 {
 	mem_heap_t*	heap;
 	dyn_block_t*	block;
diff --git a/storage/xtradb/fil/fil0fil.c b/storage/xtradb/fil/fil0fil.c
index ff4e5b1b033..929e24d20ce 100644
--- a/storage/xtradb/fil/fil0fil.c
+++ b/storage/xtradb/fil/fil0fil.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -681,7 +681,7 @@ fil_node_open_file(
 	fil_system_t*	system,	/*!< in: tablespace memory cache */
 	fil_space_t*	space)	/*!< in: space */
 {
-	ib_uint64_t	size_bytes;
+	ib_int64_t	size_bytes;
 	ulint		size_low;
 	ulint		size_high;
 	ibool		ret;
@@ -723,8 +723,8 @@ fil_node_open_file(
 
 		os_file_get_size(node->handle, &size_low, &size_high);
 
-		size_bytes = (((ib_uint64_t)size_high) << 32)
-			+ (ib_uint64_t)size_low;
+		size_bytes = (((ib_int64_t)size_high) << 32)
+			+ (ib_int64_t)size_low;
 #ifdef UNIV_HOTBACKUP
 		if (trx_sys_sys_space(space->id)) {
 			node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE);
@@ -735,7 +735,7 @@ fil_node_open_file(
 		ut_a(space->purpose != FIL_LOG);
 		ut_a(!trx_sys_sys_space(space->id));
 
-		if (size_bytes < FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) {
+		if (size_bytes < FIL_IBD_FILE_INITIAL_SIZE * (lint)UNIV_PAGE_SIZE) {
 			fprintf(stderr,
 				"InnoDB: Error: the size of single-table"
 				" tablespace file %s\n"
@@ -1884,10 +1884,62 @@ fil_write_flushed_lsn_to_data_files(
 }
 
 /*******************************************************************//**
+Checks the consistency of the first data page of a data file
+at database startup.
+@retval NULL on success, or if innodb_force_recovery is set
+@return pointer to an error message string */
+static __attribute__((warn_unused_result))
+const char*
+fil_check_first_page(
+/*=================*/
+	const page_t*	page,		/*!< in: data page */
+	ibool		first_page)	/*!< in: TRUE if this is the
+					first page of the tablespace */
+{
+	ulint	space_id;
+	ulint	flags;
+
+	if (srv_force_recovery >= SRV_FORCE_IGNORE_CORRUPT) {
+		return(NULL);
+	}
+
+	space_id = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_ID + page);
+	flags = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page);
+
+	if (first_page && !space_id && !flags) {
+		ulint		nonzero_bytes	= UNIV_PAGE_SIZE;
+		const byte*	b		= page;
+
+		while (!*b && --nonzero_bytes) {
+			b++;
+		}
+
+		if (!nonzero_bytes) {
+			return("space header page consists of zero bytes");
+		}
+	}
+
+	if (buf_page_is_corrupted(
+		    FALSE, page, dict_table_flags_to_zip_size(flags))) {
+		return("checksum mismatch");
+	}
+
+	if (!first_page
+	    || (page_get_space_id(page) == space_id
+		&& page_get_page_no(page) == 0)) {
+		return(NULL);
+	}
+
+	return("inconsistent data in space header");
+}
+
+/*******************************************************************//**
 Reads the flushed lsn, arch no, and tablespace flag fields from a data
-file at database startup. */
+file at database startup.
+@retval NULL on success, or if innodb_force_recovery is set
+@return pointer to an error message string */
 UNIV_INTERN
-void
+const char*
 fil_read_first_page(
 /*================*/
 	os_file_t	data_file,		/*!< in: open data file */
@@ -1909,6 +1961,7 @@ fil_read_first_page(
 	byte*		buf;
 	page_t*		page;
 	ib_uint64_t	flushed_lsn;
+	const char*	check_msg;
 
 	buf = ut_malloc(2 * UNIV_PAGE_SIZE);
 	/* Align the memory for a possible read from a raw device */
@@ -1916,13 +1969,18 @@ fil_read_first_page(
 
 	os_file_read(data_file, page, 0, 0, UNIV_PAGE_SIZE);
 
-	*flags = mach_read_from_4(page +
-		FSP_HEADER_OFFSET + FSP_SPACE_FLAGS);
+	*flags = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page);
 
 	flushed_lsn = mach_read_from_8(page + FIL_PAGE_FILE_FLUSH_LSN);
 
+	check_msg = fil_check_first_page(page, !one_read_already);
+
 	ut_free(buf);
 
+	if (check_msg) {
+		return(check_msg);
+	}
+
 	if (!one_read_already) {
 		*min_flushed_lsn = flushed_lsn;
 		*max_flushed_lsn = flushed_lsn;
@@ -1930,7 +1988,7 @@ fil_read_first_page(
 		*min_arch_log_no = arch_log_no;
 		*max_arch_log_no = arch_log_no;
 #endif /* UNIV_LOG_ARCHIVE */
-		return;
+		return(NULL);
 	}
 
 	if (*min_flushed_lsn > flushed_lsn) {
@@ -1947,6 +2005,8 @@ fil_read_first_page(
 		*max_arch_log_no = arch_log_no;
 	}
 #endif /* UNIV_LOG_ARCHIVE */
+
+	return(NULL);
 }
 
 /*================ SINGLE-TABLE TABLESPACES ==========================*/
@@ -3271,6 +3331,7 @@ fil_open_single_table_tablespace(
 	os_file_t	file;
 	char*		filepath;
 	ibool		success;
+	const char*	check_msg;
 	byte*		buf2;
 	byte*		page;
 	ulint		space_id;
@@ -3331,6 +3392,8 @@ fil_open_single_table_tablespace(
 
 	success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE);
 
+	check_msg = fil_check_first_page(page, TRUE);
+
 	/* We have to read the tablespace id and flags from the file. */
 
 	space_id = fsp_header_get_space_id(page);
@@ -3366,7 +3429,7 @@ fil_open_single_table_tablespace(
 		current_lsn = log_get_lsn();
 
 		/* check the header page's consistency */
-		if (buf_page_is_corrupted(page,
+		if (buf_page_is_corrupted(TRUE, page,
 					  dict_table_flags_to_zip_size(space_flags))) {
 			fprintf(stderr, "InnoDB: page 0 of %s seems corrupt.\n", filepath);
 			file_is_corrupt = TRUE;
@@ -3788,8 +3851,20 @@ skip_write:
 
 	ut_free(buf2);
 
-	if (UNIV_UNLIKELY(space_id != id
-			  || space_flags != (flags & ~(~0 << DICT_TF_BITS)))) {
+	if (check_msg) {
+		ut_print_timestamp(stderr);
+		fprintf(stderr, "  InnoDB: Error: %s in file ", check_msg);
+		ut_print_filename(stderr, filepath);
+		fprintf(stderr, " (tablespace id=%lu, flags=%lu)\n"
+			"InnoDB: Please refer to " REFMAN
+			"innodb-troubleshooting-datadict.html\n",
+			(ulong) id, (ulong) flags);
+		success = FALSE;
+		goto func_exit;
+	}
+
+	if (space_id != id
+	    || space_flags != (flags & ~(~0 << DICT_TF_BITS))) {
 		ut_print_timestamp(stderr);
 
 		fputs("  InnoDB: Error: tablespace id and flags in file ",
@@ -4136,7 +4211,7 @@ fil_load_single_table_tablespace(
 	ulint		flags;
 	ulint		size_low;
 	ulint		size_high;
-	ib_uint64_t	size;
+	ib_int64_t	size;
 #ifdef UNIV_HOTBACKUP
 	fil_space_t*	space;
 #endif
@@ -4257,9 +4332,9 @@ fil_load_single_table_tablespace(
 	/* Every .ibd file is created >= 4 pages in size. Smaller files
 	cannot be ok. */
 
-	size = (((ib_uint64_t)size_high) << 32) + (ib_uint64_t)size_low;
+	size = (((ib_int64_t)size_high) << 32) + (ib_int64_t)size_low;
 #ifndef UNIV_HOTBACKUP
-	if (size < (ib_uint64_t)FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) {
+	if (size < FIL_IBD_FILE_INITIAL_SIZE * (lint)UNIV_PAGE_SIZE) {
 		fprintf(stderr,
 			"InnoDB: Error: the size of single-table tablespace"
 			" file %s\n"
@@ -4279,11 +4354,22 @@ fil_load_single_table_tablespace(
 	/* Align the memory for file i/o if we might have O_DIRECT set */
 	page = ut_align(buf2, UNIV_PAGE_SIZE);
 
-	if (size >= FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) {
+	if (size >= FIL_IBD_FILE_INITIAL_SIZE * (lint)UNIV_PAGE_SIZE) {
+		const char*	check_msg;
+
 		success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE);
 
 		/* We have to read the tablespace id from the file */
 
+		check_msg = fil_check_first_page(page, TRUE);
+
+		if (check_msg) {
+			fprintf(stderr,
+				"InnoDB: Error: %s in file %s",
+				check_msg, filepath);
+			goto func_exit;
+		}
+
 		space_id = fsp_header_get_space_id(page);
 		flags = fsp_header_get_flags(page);
 	} else {
@@ -4863,12 +4949,14 @@ fil_extend_space_to_desired_size(
 
 #ifdef HAVE_POSIX_FALLOCATE
 	if (srv_use_posix_fallocate) {
-		offset_high = size_after_extend * page_size / (4ULL*1024*1024*1024);
-		offset_low = size_after_extend * page_size % (4ULL*1024*1024*1024);
+		offset_high = (size_after_extend - file_start_page_no)
+			* page_size / (4ULL * 1024 * 1024 * 1024);
+		offset_low = (size_after_extend - file_start_page_no)
+			* page_size % (4ULL * 1024 * 1024 * 1024);
 
 		mutex_exit(&fil_system->mutex);
 		success = os_file_set_size(node->name, node->handle,
-				offset_low, offset_high);
+					   offset_low, offset_high);
 		mutex_enter(&fil_system->mutex);
 		if (success) {
 			node->size += (size_after_extend - start_page_no);
@@ -4935,12 +5023,12 @@ fil_extend_space_to_desired_size(
 
 	mem_free(buf2);
 
+	fil_node_complete_io(node, fil_system, OS_FILE_WRITE);
+
 #ifdef HAVE_POSIX_FALLOCATE
 complete_io:
 #endif
 
-	fil_node_complete_io(node, fil_system, OS_FILE_WRITE);
-
 	*actual_size = space->size;
 
 #ifndef UNIV_HOTBACKUP
diff --git a/storage/xtradb/fsp/fsp0fsp.c b/storage/xtradb/fsp/fsp0fsp.c
index d5717638f29..772e224f6f7 100644
--- a/storage/xtradb/fsp/fsp0fsp.c
+++ b/storage/xtradb/fsp/fsp0fsp.c
@@ -2910,15 +2910,15 @@ fsp_reserve_free_pages(
 	ulint		space,		/*!< in: space id, must be != 0 */
 	fsp_header_t*	space_header,	/*!< in: header of that space,
 					x-latched */
-	ulint		size,		/*!< in: size of the tablespace in pages,
-					must be < FSP_EXTENT_SIZE / 2 */
+	ulint		size,		/*!< in: size of the tablespace in
+					pages, must be < FSP_EXTENT_SIZE */
 	mtr_t*		mtr)		/*!< in: mtr */
 {
 	xdes_t*	descr;
 	ulint	n_used;
 
 	ut_a(space != 0);
-	ut_a(size < FSP_EXTENT_SIZE / 2);
+	ut_a(size < FSP_EXTENT_SIZE);
 
 	descr = xdes_get_descriptor_with_space_hdr(space_header, space, 0,
 						   mtr);
@@ -3001,7 +3001,7 @@ fsp_reserve_free_extents(
 try_again:
 	size = mtr_read_ulint(space_header + FSP_SIZE, MLOG_4BYTES, mtr);
 
-	if (size < FSP_EXTENT_SIZE / 2) {
+	if (size < FSP_EXTENT_SIZE) {
 		/* Use different rules for small single-table tablespaces */
 		*n_reserved = 0;
 		return(fsp_reserve_free_pages(space, space_header, size, mtr));
@@ -3016,11 +3016,8 @@ try_again:
 	some of them will contain extent descriptor pages, and therefore
 	will not be free extents */
 
-	if (size <= free_limit) {
-		n_free_up = 0;
-	} else {
-		n_free_up = (size - free_limit) / FSP_EXTENT_SIZE;
-	}
+	ut_ad(size >= free_limit);
+	n_free_up = (size - free_limit) / FSP_EXTENT_SIZE;
 
 	if (n_free_up > 0) {
 		n_free_up--;
diff --git a/storage/xtradb/handler/ha_innodb.cc b/storage/xtradb/handler/ha_innodb.cc
index 3c2e9714f37..48c639c6abc 100644
--- a/storage/xtradb/handler/ha_innodb.cc
+++ b/storage/xtradb/handler/ha_innodb.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2000, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2000, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, 2009 Google Inc.
 Copyright (c) 2009, Percona Inc.
 
@@ -124,7 +124,6 @@ static mysql_cond_t commit_cond;
 static mysql_mutex_t commit_cond_m;
 static bool innodb_inited = 0;
 
-
 #define INSIDE_HA_INNOBASE_CC
 
 /* In the Windows plugin, the return value of current_thd is
@@ -206,7 +205,6 @@ static uint	innobase_buffer_pool_shm_key		= 0;
 static ulint	srv_lazy_drop_table			= 0;
 
 
-
 static char*	internal_innobase_data_file_path	= NULL;
 
 static char*	innodb_version_str = (char*) INNODB_VERSION_STR;
@@ -874,6 +872,10 @@ static SHOW_VAR innodb_status_variables[]= {
   (char*) &export_vars.innodb_rows_read,		  SHOW_LONG},
   {"rows_updated",
   (char*) &export_vars.innodb_rows_updated,		  SHOW_LONG},
+  {"read_views_memory",
+  (char*) &export_vars.innodb_read_views_memory,	  SHOW_LONG},
+  {"descriptors_memory",
+  (char*) &export_vars.innodb_descriptors_memory,	  SHOW_LONG},
   {"s_lock_os_waits",
   (char*) &export_vars.innodb_s_lock_os_waits,		  SHOW_LONGLONG},
   {"s_lock_spin_rounds",
@@ -1300,6 +1302,8 @@ convert_error_code_to_mysql(
 		return(HA_ERR_UNDO_REC_TOO_BIG);
 	case DB_OUT_OF_MEMORY:
 		return(HA_ERR_OUT_OF_MEM);
+	case DB_IDENTIFIER_TOO_LONG:
+		return(HA_ERR_INTERNAL_ERROR);
 	}
 }
 
@@ -1380,6 +1384,31 @@ innobase_convert_from_table_id(
 	strconvert(cs, from, &my_charset_filename, to, (uint) len, &errors);
 }
 
+/**********************************************************************
+Check if the length of the identifier exceeds the maximum allowed.
+return true when length of identifier is too long. */
+extern "C"
+my_bool
+innobase_check_identifier_length(
+/*=============================*/
+	const char*	id)	/* in: FK identifier to check excluding the
+				database portion. */
+{
+	int		well_formed_error = 0;
+	CHARSET_INFO	*cs = system_charset_info;
+	DBUG_ENTER("innobase_check_identifier_length");
+
+	uint res = cs->cset->well_formed_len(cs, id, id + strlen(id),
+					     NAME_CHAR_LEN,
+					     &well_formed_error);
+
+	if (well_formed_error || res == NAME_CHAR_LEN) {
+		my_error(ER_TOO_LONG_IDENT, MYF(0), id);
+		DBUG_RETURN(true);
+	}
+	DBUG_RETURN(false);
+}
+
 /******************************************************************//**
 Converts an identifier to UTF-8. */
 extern "C" UNIV_INTERN
@@ -3076,25 +3105,29 @@ innobase_change_buffering_inited_ok:
 
 		/* Force doublewrite buffer off, atomic writes replace it. */
 		if (srv_use_doublewrite_buf) {
-			fprintf(stderr, "InnoDB: Switching off doublewrite buffer "
+			fprintf(stderr,
+				"InnoDB: Switching off doublewrite buffer "
 				"because of atomic writes.\n");
-				innobase_use_doublewrite = srv_use_doublewrite_buf = FALSE;
+			innobase_use_doublewrite = FALSE;
+			srv_use_doublewrite_buf	= FALSE;
 		}
 
-		/* Force O_DIRECT on Unixes (on Windows writes are always unbuffered)*/
+		/* Force O_DIRECT on Unixes (on Windows writes are always
+		unbuffered)*/
 #ifndef _WIN32
 		if(!innobase_file_flush_method ||
-			!strstr(innobase_file_flush_method, "O_DIRECT")) {
-			innobase_file_flush_method = 
+		   !strstr(innobase_file_flush_method, "O_DIRECT")) {
+			innobase_file_flush_method =
 				srv_file_flush_method_str = (char*)"O_DIRECT";
-			fprintf(stderr, "InnoDB: using O_DIRECT due to atomic writes.\n");
+			fprintf(stderr,
+				"InnoDB: using O_DIRECT due to atomic "
+				"writes.\n");
 		}
 #endif
 #ifdef HAVE_POSIX_FALLOCATE
-		/* Due to a bug in directFS, using atomics needs  
-		 * posix_fallocate to extend the file
-		 * pwrite()  past end of the file won't work
-		 */
+		/* Due to a bug in directFS, using atomics needs
+		posix_fallocate() to extend the file, because pwrite() past the
+		end of the file won't work */
 		srv_use_posix_fallocate = TRUE;
 #endif
 	}
@@ -4544,7 +4577,6 @@ ha_innobase::open(
 	dict_table_t*	ib_table;
 	char		norm_name[1000];
 	THD*		thd;
-	ulint		retries = 0;
 	char*		is_part = NULL;
 	ibool		par_case_name_set = FALSE;
 	char		par_case_name[MAX_FULL_NAME_LEN + 1];
@@ -4584,17 +4616,13 @@ ha_innobase::open(
 	upd_buf_size = 0;
 
 	/* We look for pattern #P# to see if the table is partitioned
-	MySQL table. The retry logic for partitioned tables is a
-	workaround for http://bugs.mysql.com/bug.php?id=33349. Look
-	at support issue https://support.mysql.com/view.php?id=21080
-	for more details. */
+	MySQL table. */
 #ifdef __WIN__
 	is_part = strstr(norm_name, "#p#");
 #else
 	is_part = strstr(norm_name, "#P#");
 #endif /* __WIN__ */
 
-retry:
 	/* Get pointer to a table object in InnoDB dictionary cache */
 	ib_table = dict_table_get(norm_name, TRUE);
 
@@ -4611,7 +4639,7 @@ retry:
 	share->ib_table = ib_table;
 
 	if (NULL == ib_table) {
-		if (is_part && retries < 10) {
+		if (is_part) {
 			/* MySQL partition engine hard codes the file name
 			separator as "#P#". The text case is fixed even if
 			lower_case_table_names is set to 1 or 2. This is true
@@ -4654,11 +4682,7 @@ retry:
 				ib_table = dict_table_get(
 					par_case_name, FALSE);
 			}
-			if (!ib_table) {
-				++retries;
-				os_thread_sleep(100000);
-				goto retry;
-			} else {
+			if (ib_table) {
 #ifndef __WIN__
 				sql_print_warning("Partition table %s opened "
 						  "after converting to lower "
@@ -4684,9 +4708,8 @@ retry:
 		}
 
 		if (is_part) {
-			sql_print_error("Failed to open table %s after "
-					"%lu attempts.\n", norm_name,
-					retries);
+			sql_print_error("Failed to open table %s.\n",
+					norm_name);
 		}
 
 		sql_print_error("Cannot find or open table %s from\n"
@@ -6663,6 +6686,8 @@ ha_innobase::unlock_row(void)
 {
 	DBUG_ENTER("ha_innobase::unlock_row");
 
+	ut_ad(prebuilt->trx->state == TRX_ACTIVE);
+
 	/* Consistent read does not take any locks, thus there is
 	nothing to unlock. */
 
@@ -8710,12 +8735,18 @@ innobase_rename_table(
 	DEBUG_SYNC_C("innodb_rename_table_ready");
 
 	/* Serialize data dictionary operations with dictionary mutex:
-	no deadlocks can occur then in these operations */
+	no deadlocks can occur then in these operations.  Start the
+	transaction first to avoid a possible deadlock in the server. */
 
+	trx_start_if_not_started(trx);
 	if (lock_and_commit) {
 		row_mysql_lock_data_dictionary(trx);
 	}
 
+	/* Flag this transaction as a dictionary operation, so that
+	the data dictionary will be locked in crash recovery. */
+	trx_set_dict_operation(trx, TRX_DICT_OP_INDEX);
+
 	error = row_rename_table_for_mysql(
 		norm_from, norm_to, trx, lock_and_commit);
 
@@ -9268,9 +9299,11 @@ ha_innobase::info_low(
 
 			prebuilt->trx->op_info = "updating table statistics";
 
-			dict_update_statistics(ib_table,
-					       FALSE /* update even if stats
-						     are initialized */, called_from_analyze);
+			dict_update_statistics(
+				ib_table,
+				FALSE, /* update even if initialized */
+				called_from_analyze,
+				FALSE /* update even if not changed too much */);
 
 			prebuilt->trx->op_info = "returning various info to MySQL";
 		}
@@ -12503,6 +12536,63 @@ innodb_change_buffering_update(
 		 *static_cast<const char*const*>(save);
 }
 
+#ifndef DBUG_OFF
+static char* srv_buffer_pool_evict;
+
+/****************************************************************//**
+Called on SET GLOBAL innodb_buffer_pool_evict=...
+Handles some values specially, to evict pages from the buffer pool.
+SET GLOBAL innodb_buffer_pool_evict='uncompressed'
+evicts all uncompressed page frames of compressed tablespaces. */
+static
+void
+innodb_buffer_pool_evict_update(
+/*============================*/
+	THD*			thd,	/*!< in: thread handle */
+	struct st_mysql_sys_var*var,	/*!< in: pointer to system variable */
+	void*			var_ptr,/*!< out: ignored */
+	const void*		save)	/*!< in: immediate result
+					from check function */
+{
+	if (const char* op = *static_cast<const char*const*>(save)) {
+		if (!strcmp(op, "uncompressed")) {
+			/* Evict all uncompressed pages of compressed
+			tables from the buffer pool. Keep the compressed
+			pages in the buffer pool. */
+
+			for (ulint i = 0; i < srv_buf_pool_instances; i++) {
+				buf_pool_t*	buf_pool = &buf_pool_ptr[i];
+
+				//buf_pool_mutex_enter(buf_pool);
+				mutex_enter(&buf_pool->LRU_list_mutex);
+
+				for (buf_block_t* block = UT_LIST_GET_LAST(
+					     buf_pool->unzip_LRU);
+				     block != NULL; ) {
+
+					buf_block_t*	prev_block
+						= UT_LIST_GET_PREV(unzip_LRU,
+								   block);
+					ut_ad(buf_block_get_state(block)
+					      == BUF_BLOCK_FILE_PAGE);
+					ut_ad(block->in_unzip_LRU_list);
+					ut_ad(block->page.in_LRU_list);
+
+					mutex_enter(&block->mutex);
+					buf_LRU_free_block(&block->page,
+							   FALSE, FALSE);
+					mutex_exit(&block->mutex);
+					block = prev_block;
+				}
+
+				mutex_exit(&buf_pool->LRU_list_mutex);
+				//buf_pool_mutex_exit(buf_pool);
+			}
+		}
+	}
+}
+#endif /* !DBUG_OFF */
+
 static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff)
 {
   innodb_export_status();
@@ -12666,9 +12756,9 @@ static MYSQL_SYSVAR_BOOL(doublewrite, innobase_use_doublewrite,
 
 static MYSQL_SYSVAR_BOOL(use_atomic_writes, innobase_use_atomic_writes,
   PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY,
-  "Prevent partial page writes, via atomic writes."
+  "Prevent partial page writes, via atomic writes (beta). "
   "The option is used to prevent partial writes in case of a crash/poweroff, "
-  "as faster alternative to doublewrite buffer."
+  "as faster alternative to doublewrite buffer. "
   "Currently this option works only "
   "on Linux only with FusionIO device, and directFS filesystem.",
   NULL, NULL, FALSE);
@@ -12890,6 +12980,13 @@ static MYSQL_SYSVAR_ULONG(autoextend_increment, srv_auto_extend_increment,
   "Data file autoextend increment in megabytes",
   NULL, NULL, 8L, 1L, 1000L, 0);
 
+#ifndef DBUG_OFF
+static MYSQL_SYSVAR_STR(buffer_pool_evict, srv_buffer_pool_evict,
+  PLUGIN_VAR_RQCMDARG,
+  "Evict pages from the InnoDB buffer pool.",
+  NULL, innodb_buffer_pool_evict_update, "");
+#endif /* !DBUG_OFF */
+
 static MYSQL_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size,
   PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
   "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.",
@@ -13307,6 +13404,9 @@ static struct st_mysql_sys_var* innobase_system_variables[]= {
   MYSQL_SYSVAR(log_block_size),
   MYSQL_SYSVAR(additional_mem_pool_size),
   MYSQL_SYSVAR(autoextend_increment),
+#ifndef DBUG_OFF
+  MYSQL_SYSVAR(buffer_pool_evict),
+#endif /* !DBUG_OFF */
   MYSQL_SYSVAR(buffer_pool_size),
   MYSQL_SYSVAR(buffer_pool_populate),
   MYSQL_SYSVAR(buffer_pool_instances),
@@ -13607,6 +13707,58 @@ test_innobase_convert_name()
 
 #endif /* UNIV_COMPILE_TEST_FUNCS */
 
+/**********************************************************************
+Converts an identifier from my_charset_filename to UTF-8 charset. */
+extern "C"
+uint
+innobase_convert_to_filename_charset(
+/*=================================*/
+	char*		to,	/* out: converted identifier */
+	const char*	from,	/* in: identifier to convert */
+	ulint		len)	/* in: length of 'to', in bytes */
+{
+	uint		errors;
+	uint		rlen;
+	CHARSET_INFO*	cs_to = &my_charset_filename;
+	CHARSET_INFO*	cs_from = system_charset_info;
+
+	rlen = strconvert(cs_from, from, cs_to, to, len, &errors);
+
+	if (errors) {
+		fprintf(stderr, "InnoDB: There was a problem in converting"
+			"'%s' in charset %s to charset %s", from, cs_from->name,
+			cs_to->name);
+	}
+
+	return(rlen);
+}
+
+/**********************************************************************
+Converts an identifier from my_charset_filename to UTF-8 charset. */
+extern "C"
+uint
+innobase_convert_to_system_charset(
+/*===============================*/
+	char*		to,	/* out: converted identifier */
+	const char*	from,	/* in: identifier to convert */
+	ulint		len,	/* in: length of 'to', in bytes */
+	uint*		errors)	/* out: error return */
+{
+	uint		rlen;
+	CHARSET_INFO*	cs1 = &my_charset_filename;
+	CHARSET_INFO*	cs2 = system_charset_info;
+
+	rlen = strconvert(cs1, from, cs2, to, len, errors);
+
+	if (*errors) {
+		fprintf(stderr, "InnoDB: There was a problem in converting"
+			"'%s' in charset %s to charset %s", from, cs1->name,
+			cs2->name);
+	}
+
+	return(rlen);
+}
+
 
 /****************************************************************************
  * DS-MRR implementation 
diff --git a/storage/xtradb/handler/i_s.cc b/storage/xtradb/handler/i_s.cc
index d64a95a969e..ccbf5c7dbe7 100644
--- a/storage/xtradb/handler/i_s.cc
+++ b/storage/xtradb/handler/i_s.cc
@@ -53,7 +53,7 @@ extern "C" {
 #include "dict0mem.h"
 #include "dict0types.h"
 #include "ha_prototypes.h" /* for innobase_convert_name() */
-#include "srv0srv.h" /* for srv_track_changed_pages */
+#include "srv0srv.h" /* for srv_max_changed_pages */
 #include "srv0start.h" /* for srv_was_started */
 #include "trx0i_s.h"
 #include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */
@@ -2273,6 +2273,7 @@ i_s_innodb_buffer_stats_fill_table(
 	buf_pool_info_t*	pool_info;
 
 	DBUG_ENTER("i_s_innodb_buffer_fill_general");
+	RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
 
 	/* Only allow the PROCESS privilege holder to access the stats */
         if (check_global_access(thd, PROCESS_ACL, true)) {
@@ -2883,6 +2884,7 @@ i_s_innodb_fill_buffer_pool(
 	mem_heap_t*		heap;
 
 	DBUG_ENTER("i_s_innodb_fill_buffer_pool");
+	RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
 
 	heap = mem_heap_create(10000);
 
@@ -2923,7 +2925,8 @@ i_s_innodb_fill_buffer_pool(
 				i_s_innodb_buffer_page_get_info(
 					&block->page, pool_id, block_id,
 					info_buffer + num_page);
-				mutex_exit(block_mutex);
+				if (block_mutex)
+					mutex_exit(block_mutex);
 				block_id++;
 				num_page++;
 			}
@@ -3443,7 +3446,6 @@ i_s_innodb_fill_buffer_lru(
 	mutex_t*		block_mutex;
 
 	DBUG_ENTER("i_s_innodb_fill_buffer_lru");
-
 	RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
 
 	/* Obtain buf_pool mutex before allocate info_buffer, since
@@ -7332,6 +7334,7 @@ i_s_innodb_changed_pages_fill(
 	ib_uint64_t		output_rows_num = 0UL;
 	ib_uint64_t		max_lsn = IB_ULONGLONG_MAX;
 	ib_uint64_t		min_lsn = 0ULL;
+	int			ret = 0;
 
 	DBUG_ENTER("i_s_innodb_changed_pages_fill");
 
@@ -7343,10 +7346,6 @@ i_s_innodb_changed_pages_fill(
 
 	RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
 
-	if (!srv_track_changed_pages) {
-		DBUG_RETURN(0);
-	}
-
 	if (cond) {
 		limit_lsn_range_from_condition(table, cond, &min_lsn,
 					       &max_lsn);
@@ -7422,8 +7421,13 @@ i_s_innodb_changed_pages_fill(
 		++output_rows_num;
 	}
 
+	if (i.failed) {
+		my_error(ER_CANT_FIND_SYSTEM_REC, MYF(0));
+		ret = 1;
+	}
+
 	log_online_bitmap_iterator_release(&i);
-	DBUG_RETURN(0);
+	DBUG_RETURN(ret);
 }
 
 static
diff --git a/storage/xtradb/ibuf/ibuf0ibuf.c b/storage/xtradb/ibuf/ibuf0ibuf.c
index 96c264b32b4..c79740a947d 100644
--- a/storage/xtradb/ibuf/ibuf0ibuf.c
+++ b/storage/xtradb/ibuf/ibuf0ibuf.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1997, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1997, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -4319,7 +4319,7 @@ Deletes from ibuf the record on which pcur is positioned. If we have to
 resort to a pessimistic delete, this function commits mtr and closes
 the cursor.
 @return	TRUE if mtr was committed and pcur closed in this operation */
-static
+static __attribute__((warn_unused_result))
 ibool
 ibuf_delete_rec(
 /*============*/
@@ -4625,6 +4625,12 @@ ibuf_merge_or_delete_for_page(
 loop:
 	ibuf_mtr_start(&mtr);
 
+	/* Position pcur in the insert buffer at the first entry for this
+	index page */
+	btr_pcur_open_on_user_rec(
+		ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF,
+		&pcur, &mtr);
+
 	if (block) {
 		ibool success;
 
@@ -4643,12 +4649,6 @@ loop:
 		buf_block_dbg_add_level(block, SYNC_IBUF_TREE_NODE);
 	}
 
-	/* Position pcur in the insert buffer at the first entry for this
-	index page */
-	btr_pcur_open_on_user_rec(
-		ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF,
-		&pcur, &mtr);
-
 	if (!btr_pcur_is_on_user_rec(&pcur)) {
 		ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr));
 
@@ -4733,6 +4733,16 @@ loop:
 				      == page_no);
 				ut_ad(ibuf_rec_get_space(&mtr, rec) == space);
 
+				/* Mark the change buffer record processed,
+				so that it will not be merged again in case
+				the server crashes between the following
+				mtr_commit() and the subsequent mtr_commit()
+				of deleting the change buffer record. */
+
+				btr_cur_set_deleted_flag_for_ibuf(
+					btr_pcur_get_rec(&pcur), NULL,
+					TRUE, &mtr);
+
 				btr_pcur_store_position(&pcur, &mtr);
 				ibuf_btr_pcur_commit_specify_mtr(&pcur, &mtr);
 
@@ -4781,6 +4791,7 @@ loop:
 			/* Deletion was pessimistic and mtr was committed:
 			we start from the beginning again */
 
+			ut_ad(mtr.state == MTR_COMMITTED);
 			goto loop;
 		} else if (btr_pcur_is_after_last_on_page(&pcur)) {
 			ibuf_mtr_commit(&mtr);
@@ -4911,6 +4922,7 @@ loop:
 			/* Deletion was pessimistic and mtr was committed:
 			we start from the beginning again */
 
+			ut_ad(mtr.state == MTR_COMMITTED);
 			goto loop;
 		}
 
diff --git a/storage/xtradb/include/buf0buf.h b/storage/xtradb/include/buf0buf.h
index f00a06c8805..233231e4cab 100644
--- a/storage/xtradb/include/buf0buf.h
+++ b/storage/xtradb/include/buf0buf.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -684,9 +684,12 @@ UNIV_INTERN
 ibool
 buf_page_is_corrupted(
 /*==================*/
+	ibool		check_lsn,	/*!< in: TRUE if we need to check
+					and complain about the LSN */
 	const byte*	read_buf,	/*!< in: a database page */
-	ulint		zip_size);	/*!< in: size of compressed page;
+	ulint		zip_size)	/*!< in: size of compressed page;
 					0 for uncompressed pages */
+	__attribute__((warn_unused_result));
 #ifndef UNIV_HOTBACKUP
 /**********************************************************************//**
 Gets the space id, page offset, and byte offset within page of a
diff --git a/storage/xtradb/include/db0err.h b/storage/xtradb/include/db0err.h
index 3a4c8a54016..4d0e3051fe6 100644
--- a/storage/xtradb/include/db0err.h
+++ b/storage/xtradb/include/db0err.h
@@ -114,6 +114,7 @@ enum db_err {
 	DB_UNDO_RECORD_TOO_BIG,		/* the undo log record is too big */
 	DB_TABLE_IN_FK_CHECK,		/* table is being used in foreign
 					key check */
+	DB_IDENTIFIER_TOO_LONG,		/* Identifier name too long */
 
 	/* The following are partial failure codes */
 	DB_FAIL = 1000,
diff --git a/storage/xtradb/include/dict0dict.h b/storage/xtradb/include/dict0dict.h
index 1dd0b3f5082..f175f2c6194 100644
--- a/storage/xtradb/include/dict0dict.h
+++ b/storage/xtradb/include/dict0dict.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1124,6 +1124,18 @@ ulint
 dict_index_calc_min_rec_len(
 /*========================*/
 	const dict_index_t*	index);	/*!< in: index */
+
+/** Calculate new statistics if 1 / 16 of table has been modified
+since the last time a statistics batch was run.
+We calculate statistics at most every 16th round, since we may have
+a counter table which is very small and updated very often.
+@param t table
+@return true if the table has changed too much and stats need to be
+recalculated
+*/
+#define DICT_TABLE_CHANGED_TOO_MUCH(t) \
+	((ib_int64_t) (t)->stat_modified_counter > 16 + (t)->stat_n_rows / 16)
+
 /*********************************************************************//**
 Calculates new estimates for table and index statistics. The statistics
 are used in query optimization. */
@@ -1132,11 +1144,15 @@ void
 dict_update_statistics(
 /*===================*/
 	dict_table_t*	table,		/*!< in/out: table */
-	ibool		only_calc_if_missing_stats, /*!< in: only
+	ibool		only_calc_if_missing_stats,/*!< in: only
 					update/recalc the stats if they have
 					not been initialized yet, otherwise
 					do nothing */
-	ibool		sync);
+	ibool		sync,
+	ibool		only_calc_if_changed_too_much);/*!< in: only
+					update/recalc the stats if the table
+					has been changed too much since the
+					last stats update/recalc */
 /*********************************************************************//**
 */
 UNIV_INTERN
diff --git a/storage/xtradb/include/dict0mem.h b/storage/xtradb/include/dict0mem.h
index 630942ae2ac..4e6713d15c8 100644
--- a/storage/xtradb/include/dict0mem.h
+++ b/storage/xtradb/include/dict0mem.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -127,7 +127,7 @@ This could result in rescursive calls and out of stack error eventually.
 DICT_FK_MAX_RECURSIVE_LOAD defines the maximum number of recursive loads,
 when exceeded, the child table will not be loaded. It will be loaded when
 the foreign constraint check needs to be run. */
-#define DICT_FK_MAX_RECURSIVE_LOAD	255
+#define DICT_FK_MAX_RECURSIVE_LOAD	20
 
 /** Similarly, when tables are chained together with foreign key constraints
 with on cascading delete/update clause, delete from parent table could
@@ -607,7 +607,13 @@ struct dict_table_struct{
 				/*!< flag: TRUE if the maximum length of
 				a single row exceeds BIG_ROW_SIZE;
 				initialized in dict_table_add_to_cache() */
-				/** Statistics for query optimization */
+				/** Statistics for query optimization.
+				The following stat_* members are usually
+				protected by dict_table_stats_lock(). In
+				some exceptional cases (performance critical
+				code paths) we access or modify stat_n_rows
+				and stat_modified_counter without any
+				protection. */
 				/* @{ */
 	unsigned	stat_initialized:1; /*!< TRUE if statistics have
 				been calculated the first time
diff --git a/storage/xtradb/include/dict0types.h b/storage/xtradb/include/dict0types.h
index f0a05a38070..8e3a04f7956 100644
--- a/storage/xtradb/include/dict0types.h
+++ b/storage/xtradb/include/dict0types.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -58,4 +58,7 @@ enum dict_err_ignore {
 
 typedef enum dict_err_ignore		dict_err_ignore_t;
 
+#define TEMP_TABLE_PREFIX                "#sql"
+#define TEMP_TABLE_PATH_PREFIX           "/" TEMP_TABLE_PREFIX
+
 #endif
diff --git a/storage/xtradb/include/dyn0dyn.h b/storage/xtradb/include/dyn0dyn.h
index 121a5946ac7..62ed862e82c 100644
--- a/storage/xtradb/include/dyn0dyn.h
+++ b/storage/xtradb/include/dyn0dyn.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -47,15 +47,17 @@ UNIV_INLINE
 dyn_array_t*
 dyn_array_create(
 /*=============*/
-	dyn_array_t*	arr);	/*!< in: pointer to a memory buffer of
+	dyn_array_t*	arr)	/*!< in/out memory buffer of
 				size sizeof(dyn_array_t) */
+	__attribute__((nonnull));
 /************************************************************//**
 Frees a dynamic array. */
 UNIV_INLINE
 void
 dyn_array_free(
 /*===========*/
-	dyn_array_t*	arr);	/*!< in: dyn array */
+	dyn_array_t*	arr)	/*!< in,own: dyn array */
+	__attribute__((nonnull));
 /*********************************************************************//**
 Makes room on top of a dyn array and returns a pointer to a buffer in it.
 After copying the elements, the caller must close the buffer using
@@ -66,8 +68,9 @@ byte*
 dyn_array_open(
 /*===========*/
 	dyn_array_t*	arr,	/*!< in: dynamic array */
-	ulint		size);	/*!< in: size in bytes of the buffer; MUST be
+	ulint		size)	/*!< in: size in bytes of the buffer; MUST be
 				smaller than DYN_ARRAY_DATA_SIZE! */
+	__attribute__((nonnull, warn_unused_result));
 /*********************************************************************//**
 Closes the buffer returned by dyn_array_open. */
 UNIV_INLINE
@@ -75,7 +78,8 @@ void
 dyn_array_close(
 /*============*/
 	dyn_array_t*	arr,	/*!< in: dynamic array */
-	byte*		ptr);	/*!< in: buffer space from ptr up was not used */
+	const byte*	ptr)	/*!< in: end of used space */
+	__attribute__((nonnull));
 /*********************************************************************//**
 Makes room on top of a dyn array and returns a pointer to
 the added element. The caller must copy the element to
@@ -85,8 +89,9 @@ UNIV_INLINE
 void*
 dyn_array_push(
 /*===========*/
-	dyn_array_t*	arr,	/*!< in: dynamic array */
-	ulint		size);	/*!< in: size in bytes of the element */
+	dyn_array_t*	arr,	/*!< in/out: dynamic array */
+	ulint		size)	/*!< in: size in bytes of the element */
+	__attribute__((nonnull, warn_unused_result));
 /************************************************************//**
 Returns pointer to an element in dyn array.
 @return	pointer to element */
@@ -94,9 +99,10 @@ UNIV_INLINE
 void*
 dyn_array_get_element(
 /*==================*/
-	dyn_array_t*	arr,	/*!< in: dyn array */
-	ulint		pos);	/*!< in: position of element as bytes
-				from array start */
+	const dyn_array_t*	arr,	/*!< in: dyn array */
+	ulint			pos)	/*!< in: position of element
+					in bytes from array start */
+	__attribute__((nonnull, warn_unused_result));
 /************************************************************//**
 Returns the size of stored data in a dyn array.
 @return	data size in bytes */
@@ -104,30 +110,33 @@ UNIV_INLINE
 ulint
 dyn_array_get_data_size(
 /*====================*/
-	dyn_array_t*	arr);	/*!< in: dyn array */
+	const dyn_array_t*	arr)	/*!< in: dyn array */
+	__attribute__((nonnull, warn_unused_result, pure));
 /************************************************************//**
-Gets the first block in a dyn array. */
-UNIV_INLINE
-dyn_block_t*
-dyn_array_get_first_block(
-/*======================*/
-	dyn_array_t*	arr);	/*!< in: dyn array */
+Gets the first block in a dyn array.
+@param arr	dyn array
+@return		first block */
+#define dyn_array_get_first_block(arr) (arr)
 /************************************************************//**
-Gets the last block in a dyn array. */
-UNIV_INLINE
-dyn_block_t*
-dyn_array_get_last_block(
-/*=====================*/
-	dyn_array_t*	arr);	/*!< in: dyn array */
+Gets the last block in a dyn array.
+@param arr	dyn array
+@return		last block */
+#define dyn_array_get_last_block(arr)				\
+	((arr)->heap ? UT_LIST_GET_LAST((arr)->base) : (arr))
 /********************************************************************//**
 Gets the next block in a dyn array.
-@return	pointer to next, NULL if end of list */
-UNIV_INLINE
-dyn_block_t*
-dyn_array_get_next_block(
-/*=====================*/
-	dyn_array_t*	arr,	/*!< in: dyn array */
-	dyn_block_t*	block);	/*!< in: dyn array block */
+@param arr	dyn array
+@param block	dyn array block
+@return		pointer to next, NULL if end of list */
+#define dyn_array_get_next_block(arr, block)			\
+	((arr)->heap ? UT_LIST_GET_NEXT(list, block) : NULL)
+/********************************************************************//**
+Gets the previous block in a dyn array.
+@param arr	dyn array
+@param block	dyn array block
+@return		pointer to previous, NULL if end of list */
+#define dyn_array_get_prev_block(arr, block)			\
+	((arr)->heap ? UT_LIST_GET_PREV(list, block) : NULL)
 /********************************************************************//**
 Gets the number of used bytes in a dyn array block.
 @return	number of bytes used */
@@ -135,7 +144,8 @@ UNIV_INLINE
 ulint
 dyn_block_get_used(
 /*===============*/
-	dyn_block_t*	block);	/*!< in: dyn array block */
+	const dyn_block_t*	block)	/*!< in: dyn array block */
+	__attribute__((nonnull, warn_unused_result, pure));
 /********************************************************************//**
 Gets pointer to the start of data in a dyn array block.
 @return	pointer to data */
@@ -143,16 +153,18 @@ UNIV_INLINE
 byte*
 dyn_block_get_data(
 /*===============*/
-	dyn_block_t*	block);	/*!< in: dyn array block */
+	const dyn_block_t*	block)	/*!< in: dyn array block */
+	__attribute__((nonnull, warn_unused_result, pure));
 /********************************************************//**
 Pushes n bytes to a dyn array. */
 UNIV_INLINE
 void
 dyn_push_string(
 /*============*/
-	dyn_array_t*	arr,	/*!< in: dyn array */
+	dyn_array_t*	arr,	/*!< in/out: dyn array */
 	const byte*	str,	/*!< in: string to write */
-	ulint		len);	/*!< in: string length */
+	ulint		len)	/*!< in: string length */
+	__attribute__((nonnull));
 
 /*#################################################################*/
 
diff --git a/storage/xtradb/include/dyn0dyn.ic b/storage/xtradb/include/dyn0dyn.ic
index 110e674abff..177877ed1fd 100644
--- a/storage/xtradb/include/dyn0dyn.ic
+++ b/storage/xtradb/include/dyn0dyn.ic
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -35,56 +35,8 @@ UNIV_INTERN
 dyn_block_t*
 dyn_array_add_block(
 /*================*/
-	dyn_array_t*	arr);	/*!< in: dyn array */
-
-
-/************************************************************//**
-Gets the first block in a dyn array. */
-UNIV_INLINE
-dyn_block_t*
-dyn_array_get_first_block(
-/*======================*/
-	dyn_array_t*	arr)	/*!< in: dyn array */
-{
-	return(arr);
-}
-
-/************************************************************//**
-Gets the last block in a dyn array. */
-UNIV_INLINE
-dyn_block_t*
-dyn_array_get_last_block(
-/*=====================*/
-	dyn_array_t*	arr)	/*!< in: dyn array */
-{
-	if (arr->heap == NULL) {
-
-		return(arr);
-	}
-
-	return(UT_LIST_GET_LAST(arr->base));
-}
-
-/********************************************************************//**
-Gets the next block in a dyn array.
-@return	pointer to next, NULL if end of list */
-UNIV_INLINE
-dyn_block_t*
-dyn_array_get_next_block(
-/*=====================*/
-	dyn_array_t*	arr,	/*!< in: dyn array */
-	dyn_block_t*	block)	/*!< in: dyn array block */
-{
-	ut_ad(arr && block);
-
-	if (arr->heap == NULL) {
-		ut_ad(arr == block);
-
-		return(NULL);
-	}
-
-	return(UT_LIST_GET_NEXT(list, block));
-}
+	dyn_array_t*	arr)	/*!< in/out: dyn array */
+	__attribute__((nonnull, warn_unused_result));
 
 /********************************************************************//**
 Gets the number of used bytes in a dyn array block.
@@ -93,7 +45,7 @@ UNIV_INLINE
 ulint
 dyn_block_get_used(
 /*===============*/
-	dyn_block_t*	block)	/*!< in: dyn array block */
+	const dyn_block_t*	block)	/*!< in: dyn array block */
 {
 	ut_ad(block);
 
@@ -107,11 +59,11 @@ UNIV_INLINE
 byte*
 dyn_block_get_data(
 /*===============*/
-	dyn_block_t*	block)	/*!< in: dyn array block */
+	const dyn_block_t*	block)	/*!< in: dyn array block */
 {
 	ut_ad(block);
 
-	return(block->data);
+	return((byte*) block->data);
 }
 
 /*********************************************************************//**
@@ -121,7 +73,7 @@ UNIV_INLINE
 dyn_array_t*
 dyn_array_create(
 /*=============*/
-	dyn_array_t*	arr)	/*!< in: pointer to a memory buffer of
+	dyn_array_t*	arr)	/*!< in/out: memory buffer of
 				size sizeof(dyn_array_t) */
 {
 	ut_ad(arr);
@@ -132,10 +84,9 @@ dyn_array_create(
 	arr->heap = NULL;
 	arr->used = 0;
 
-#ifdef UNIV_DEBUG
-	arr->buf_end = 0;
-	arr->magic_n = DYN_BLOCK_MAGIC_N;
-#endif
+	ut_d(arr->buf_end = 0);
+	ut_d(arr->magic_n = DYN_BLOCK_MAGIC_N);
+
 	return(arr);
 }
 
@@ -151,9 +102,7 @@ dyn_array_free(
 		mem_heap_free(arr->heap);
 	}
 
-#ifdef UNIV_DEBUG
-	arr->magic_n = 0;
-#endif
+	ut_d(arr->magic_n = 0);
 }
 
 /*********************************************************************//**
@@ -164,7 +113,7 @@ UNIV_INLINE
 void*
 dyn_array_push(
 /*===========*/
-	dyn_array_t*	arr,	/*!< in: dynamic array */
+	dyn_array_t*	arr,	/*!< in/out: dynamic array */
 	ulint		size)	/*!< in: size in bytes of the element */
 {
 	dyn_block_t*	block;
@@ -176,24 +125,23 @@ dyn_array_push(
 	ut_ad(size);
 
 	block = arr;
-	used = block->used;
 
-	if (used + size > DYN_ARRAY_DATA_SIZE) {
+	if (block->used + size > DYN_ARRAY_DATA_SIZE) {
 		/* Get the last array block */
 
 		block = dyn_array_get_last_block(arr);
-		used = block->used;
 
-		if (used + size > DYN_ARRAY_DATA_SIZE) {
+		if (block->used + size > DYN_ARRAY_DATA_SIZE) {
 			block = dyn_array_add_block(arr);
-			used = block->used;
 		}
 	}
 
+	used = block->used;
+
 	block->used = used + size;
 	ut_ad(block->used <= DYN_ARRAY_DATA_SIZE);
 
-	return((block->data) + used);
+	return(block->data + used);
 }
 
 /*********************************************************************//**
@@ -210,7 +158,6 @@ dyn_array_open(
 				smaller than DYN_ARRAY_DATA_SIZE! */
 {
 	dyn_block_t*	block;
-	ulint		used;
 
 	ut_ad(arr);
 	ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N);
@@ -218,28 +165,23 @@ dyn_array_open(
 	ut_ad(size);
 
 	block = arr;
-	used = block->used;
 
-	if (used + size > DYN_ARRAY_DATA_SIZE) {
+	if (block->used + size > DYN_ARRAY_DATA_SIZE) {
 		/* Get the last array block */
 
 		block = dyn_array_get_last_block(arr);
-		used = block->used;
 
-		if (used + size > DYN_ARRAY_DATA_SIZE) {
+		if (block->used + size > DYN_ARRAY_DATA_SIZE) {
 			block = dyn_array_add_block(arr);
-			used = block->used;
 			ut_a(size <= DYN_ARRAY_DATA_SIZE);
 		}
 	}
 
 	ut_ad(block->used <= DYN_ARRAY_DATA_SIZE);
-#ifdef UNIV_DEBUG
 	ut_ad(arr->buf_end == 0);
+	ut_d(arr->buf_end = block->used + size);
 
-	arr->buf_end = used + size;
-#endif
-	return((block->data) + used);
+	return(block->data + block->used);
 }
 
 /*********************************************************************//**
@@ -248,8 +190,8 @@ UNIV_INLINE
 void
 dyn_array_close(
 /*============*/
-	dyn_array_t*	arr,	/*!< in: dynamic array */
-	byte*		ptr)	/*!< in: buffer space from ptr up was not used */
+	dyn_array_t*	arr,	/*!< in/out: dynamic array */
+	const byte*	ptr)	/*!< in: end of used space */
 {
 	dyn_block_t*	block;
 
@@ -264,9 +206,7 @@ dyn_array_close(
 
 	ut_ad(block->used <= DYN_ARRAY_DATA_SIZE);
 
-#ifdef UNIV_DEBUG
-	arr->buf_end = 0;
-#endif
+	ut_d(arr->buf_end = 0);
 }
 
 /************************************************************//**
@@ -276,12 +216,11 @@ UNIV_INLINE
 void*
 dyn_array_get_element(
 /*==================*/
-	dyn_array_t*	arr,	/*!< in: dyn array */
-	ulint		pos)	/*!< in: position of element as bytes
-				from array start */
+	const dyn_array_t*	arr,	/*!< in: dyn array */
+	ulint			pos)	/*!< in: position of element
+					in bytes from array start */
 {
-	dyn_block_t*	block;
-	ulint		used;
+	const dyn_block_t*	block;
 
 	ut_ad(arr);
 	ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N);
@@ -290,21 +229,23 @@ dyn_array_get_element(
 	block = dyn_array_get_first_block(arr);
 
 	if (arr->heap != NULL) {
-		used = dyn_block_get_used(block);
+		for (;;) {
+			ulint	used = dyn_block_get_used(block);
+
+			if (pos < used) {
+				break;
+			}
 
-		while (pos >= used) {
 			pos -= used;
 			block = UT_LIST_GET_NEXT(list, block);
 			ut_ad(block);
-
-			used = dyn_block_get_used(block);
 		}
 	}
 
 	ut_ad(block);
 	ut_ad(dyn_block_get_used(block) >= pos);
 
-	return(block->data + pos);
+	return((byte*) block->data + pos);
 }
 
 /************************************************************//**
@@ -314,10 +255,10 @@ UNIV_INLINE
 ulint
 dyn_array_get_data_size(
 /*====================*/
-	dyn_array_t*	arr)	/*!< in: dyn array */
+	const dyn_array_t*	arr)	/*!< in: dyn array */
 {
-	dyn_block_t*	block;
-	ulint		sum	= 0;
+	const dyn_block_t*	block;
+	ulint			sum	= 0;
 
 	ut_ad(arr);
 	ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N);
@@ -344,7 +285,7 @@ UNIV_INLINE
 void
 dyn_push_string(
 /*============*/
-	dyn_array_t*	arr,	/*!< in: dyn array */
+	dyn_array_t*	arr,	/*!< in/out: dyn array */
 	const byte*	str,	/*!< in: string to write */
 	ulint		len)	/*!< in: string length */
 {
diff --git a/storage/xtradb/include/fil0fil.h b/storage/xtradb/include/fil0fil.h
index 2149d0aadca..881623b30cf 100644
--- a/storage/xtradb/include/fil0fil.h
+++ b/storage/xtradb/include/fil0fil.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -328,10 +328,12 @@ fil_write_flushed_lsn_to_data_files(
 	ulint		arch_log_no);	/*!< in: latest archived log
 					file number */
 /*******************************************************************//**
-Reads the flushed lsn and arch no fields from a data file at database
-startup. */
+Reads the flushed lsn, arch no, and tablespace flag fields from a data
+file at database startup.
+@retval NULL on success, or if innodb_force_recovery is set
+@return pointer to an error message string */
 UNIV_INTERN
-void
+const char*
 fil_read_first_page(
 /*================*/
 	os_file_t	data_file,		/*!< in: open data file */
@@ -347,8 +349,9 @@ fil_read_first_page(
 #endif /* UNIV_LOG_ARCHIVE */
 	ib_uint64_t*	min_flushed_lsn,	/*!< out: min of flushed
 						lsn values in data files */
-	ib_uint64_t*	max_flushed_lsn);	/*!< out: max of flushed
+	ib_uint64_t*	max_flushed_lsn)	/*!< out: max of flushed
 						lsn values in data files */
+	__attribute__((warn_unused_result));
 /*******************************************************************//**
 Increments the count of pending operation, if space is not being deleted.
 @return	TRUE if being deleted, and operation should be skipped */
diff --git a/storage/xtradb/include/ha_prototypes.h b/storage/xtradb/include/ha_prototypes.h
index 51e331c3b5d..d8531984815 100644
--- a/storage/xtradb/include/ha_prototypes.h
+++ b/storage/xtradb/include/ha_prototypes.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2006, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 2000, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -323,4 +323,35 @@ thd_merge_sort_block_size(
 	void* thd); /*!< in: thread handle (THD*), or NULL to query
 			the global merge_sort_block_size */
 
+/**********************************************************************
+Check if the length of the identifier exceeds the maximum allowed.
+The input to this function is an identifier in charset my_charset_filename.
+return true when length of identifier is too long. */
+UNIV_INTERN
+my_bool
+innobase_check_identifier_length(
+/*=============================*/
+	const char*	id);	/* in: identifier to check.  it must belong
+				to charset my_charset_filename */
+
+/**********************************************************************
+Converts an identifier from my_charset_filename to UTF-8 charset. */
+uint
+innobase_convert_to_system_charset(
+/*===============================*/
+	char*           to,		/* out: converted identifier */
+	const char*     from,		/* in: identifier to convert */
+	ulint           len,		/* in: length of 'to', in bytes */
+	uint*		errors);	/* out: error return */
+
+/**********************************************************************
+Converts an identifier from my_charset_filename to UTF-8 charset. */
+uint
+innobase_convert_to_filename_charset(
+/*=================================*/
+	char*           to,     /* out: converted identifier */
+	const char*     from,   /* in: identifier to convert */
+	ulint           len);   /* in: length of 'to', in bytes */
+
+
 #endif
diff --git a/storage/xtradb/include/log0log.h b/storage/xtradb/include/log0log.h
index 85285a77084..424c8cd7d1d 100644
--- a/storage/xtradb/include/log0log.h
+++ b/storage/xtradb/include/log0log.h
@@ -415,7 +415,9 @@ log_group_read_log_seg(
 	byte*		buf,		/*!< in: buffer where to read */
 	log_group_t*	group,		/*!< in: log group */
 	ib_uint64_t	start_lsn,	/*!< in: read area start */
-	ib_uint64_t	end_lsn);	/*!< in: read area end */
+	ib_uint64_t	end_lsn,	/*!< in: read area end */
+	ibool		release_mutex);	/*!< in: whether the log_sys->mutex
+				        should be released before the read */
 /******************************************************//**
 Writes a buffer to a log file group. */
 UNIV_INTERN
diff --git a/storage/xtradb/include/log0online.h b/storage/xtradb/include/log0online.h
index 999a317780e..a20eef57d7a 100644
--- a/storage/xtradb/include/log0online.h
+++ b/storage/xtradb/include/log0online.h
@@ -159,6 +159,8 @@ struct log_online_bitmap_file_range_struct {
 /** Struct for an iterator through all bits of changed pages bitmap blocks */
 struct log_bitmap_iterator_struct
 {
+	ibool				failed;		/*!< Has the iteration
+							stopped prematurely */
 	log_online_bitmap_file_range_t	in_files;	/*!< The bitmap files
 							for this iterator */
 	size_t				in_i;		/*!< Currently read
diff --git a/storage/xtradb/include/mtr0mtr.h b/storage/xtradb/include/mtr0mtr.h
index c51632e0ed5..031fccd300c 100644
--- a/storage/xtradb/include/mtr0mtr.h
+++ b/storage/xtradb/include/mtr0mtr.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -295,9 +295,10 @@ UNIV_INTERN
 void
 mtr_memo_release(
 /*=============*/
-	mtr_t*	mtr,	/*!< in: mtr */
+	mtr_t*	mtr,	/*!< in/out: mini-transaction */
 	void*	object,	/*!< in: object */
-	ulint	type);	/*!< in: object type: MTR_MEMO_S_LOCK, ... */
+	ulint	type)	/*!< in: object type: MTR_MEMO_S_LOCK, ... */
+	__attribute__((nonnull));
 #ifdef UNIV_DEBUG
 # ifndef UNIV_HOTBACKUP
 /**********************************************************//**
@@ -309,7 +310,8 @@ mtr_memo_contains(
 /*==============*/
 	mtr_t*		mtr,	/*!< in: mtr */
 	const void*	object,	/*!< in: object to search */
-	ulint		type);	/*!< in: type of object */
+	ulint		type)	/*!< in: type of object */
+	__attribute__((warn_unused_result, nonnull));
 
 /**********************************************************//**
 Checks if memo contains the given page.
diff --git a/storage/xtradb/include/os0file.h b/storage/xtradb/include/os0file.h
index 05403a8e752..e6c70edbd8f 100644
--- a/storage/xtradb/include/os0file.h
+++ b/storage/xtradb/include/os0file.h
@@ -21,7 +21,7 @@ Public License for more details.
 
 You should have received a copy of the GNU General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 
 ***********************************************************************/
 
@@ -76,15 +76,19 @@ extern ulint	os_n_pending_writes;
 #endif
 
 #ifdef __WIN__
+#define SRV_PATH_SEPARATOR	'\\'
 /** File handle */
 # define os_file_t	HANDLE
+# define os_file_invalid	INVALID_HANDLE_VALUE
 /** Convert a C file descriptor to a native file handle
 @param fd	file descriptor
 @return		native file handle */
 # define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd)
 #else
+#define SRV_PATH_SEPARATOR	'/'
 /** File handle */
 typedef int	os_file_t;
+# define os_file_invalid	(-1)
 /** Convert a C file descriptor to a native file handle
 @param fd	file descriptor
 @return		native file handle */
@@ -819,7 +823,6 @@ pfs_os_file_rename_func(
 	ulint		src_line);/*!< in: line where the func invoked */
 #endif	/* UNIV_PFS_IO */
 
-#ifdef UNIV_HOTBACKUP
 /***********************************************************************//**
 Closes a file handle.
 @return	TRUE if success */
@@ -828,7 +831,6 @@ ibool
 os_file_close_no_error_handling(
 /*============================*/
 	os_file_t	file);	/*!< in, own: handle to a file */
-#endif /* UNIV_HOTBACKUP */
 /***********************************************************************//**
 Gets a file size.
 @return	TRUE if success */
diff --git a/storage/xtradb/include/page0zip.ic b/storage/xtradb/include/page0zip.ic
index 75cc7a9fcc4..9e9dda90936 100644
--- a/storage/xtradb/include/page0zip.ic
+++ b/storage/xtradb/include/page0zip.ic
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved.
+Copyright (c) 2005, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -188,8 +188,8 @@ page_zip_rec_needs_ext(
 		one record on an empty leaf page.  Subtract 1 byte for
 		the encoded heap number.  Check also the available space
 		on the uncompressed page. */
-		return(rec_size - (REC_N_NEW_EXTRA_BYTES - 2)
-		       >= (page_zip_empty_size(n_fields, zip_size) - 1)
+		return(rec_size - (REC_N_NEW_EXTRA_BYTES - 2 - 1)
+		       >= page_zip_empty_size(n_fields, zip_size)
 		       || rec_size >= page_get_free_space_of_empty(TRUE) / 2);
 	}
 
@@ -229,9 +229,7 @@ ibool
 page_zip_get_trailer_len(
 /*=====================*/
 	const page_zip_des_t*	page_zip,/*!< in: compressed page */
-	ibool			is_clust,/*!< in: TRUE if clustered index */
-	ulint*			entry_size)/*!< out: size of the uncompressed
-					portion of a user record */
+	ibool			is_clust)/*!< in: TRUE if clustered index */
 {
 	ulint	uncompressed_size;
 
@@ -250,10 +248,6 @@ page_zip_get_trailer_len(
 		ut_ad(!page_zip->n_blobs);
 	}
 
-	if (entry_size) {
-		*entry_size = uncompressed_size;
-	}
-
 	return((page_dir_get_n_heap(page_zip->data) - 2)
 	       * uncompressed_size
 	       + page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE);
@@ -270,11 +264,9 @@ page_zip_max_ins_size(
 	const page_zip_des_t*	page_zip,/*!< in: compressed page */
 	ibool			is_clust)/*!< in: TRUE if clustered index */
 {
-	ulint	uncompressed_size;
 	ulint	trailer_len;
 
-	trailer_len = page_zip_get_trailer_len(page_zip, is_clust,
-					       &uncompressed_size);
+	trailer_len = page_zip_get_trailer_len(page_zip, is_clust);
 
 	/* When a record is created, a pointer may be added to
 	the dense directory.
@@ -283,7 +275,7 @@ page_zip_max_ins_size(
 	Also the BLOB pointers will be allocated from there, but
 	we may as well count them in the length of the record. */
 
-	trailer_len += uncompressed_size;
+	trailer_len += PAGE_ZIP_DIR_SLOT_SIZE;
 
 	return((lint) page_zip_get_size(page_zip)
 	       - trailer_len - page_zip->m_end
@@ -303,13 +295,11 @@ page_zip_available(
 	ulint			create)	/*!< in: nonzero=add the record to
 					the heap */
 {
-	ulint	uncompressed_size;
 	ulint	trailer_len;
 
 	ut_ad(length > REC_N_NEW_EXTRA_BYTES);
 
-	trailer_len = page_zip_get_trailer_len(page_zip, is_clust,
-					       &uncompressed_size);
+	trailer_len = page_zip_get_trailer_len(page_zip, is_clust);
 
 	/* Subtract the fixed extra bytes and add the maximum
 	space needed for identifying the record (encoded heap_no). */
@@ -323,7 +313,7 @@ page_zip_available(
 		Also the BLOB pointers will be allocated from there, but
 		we may as well count them in the length of the record. */
 
-		trailer_len += uncompressed_size;
+		trailer_len += PAGE_ZIP_DIR_SLOT_SIZE;
 	}
 
 	return(UNIV_LIKELY(length
diff --git a/storage/xtradb/include/srv0srv.h b/storage/xtradb/include/srv0srv.h
index 53dbf21e455..09c0b0666c7 100644
--- a/storage/xtradb/include/srv0srv.h
+++ b/storage/xtradb/include/srv0srv.h
@@ -297,6 +297,9 @@ extern ulint	srv_n_rows_updated;
 extern ulint	srv_n_rows_deleted;
 extern ulint	srv_n_rows_read;
 
+extern ulint	srv_read_views_memory;
+extern ulint	srv_descriptors_memory;
+
 extern ibool	srv_print_innodb_monitor;
 extern ibool	srv_print_innodb_lock_monitor;
 extern ibool	srv_print_innodb_tablespace_monitor;
@@ -901,6 +904,8 @@ struct export_var_struct{
 	ulint innodb_rows_updated;		/*!< srv_n_rows_updated */
 	ulint innodb_rows_deleted;		/*!< srv_n_rows_deleted */
 	ulint innodb_truncated_status_writes;	/*!< srv_truncated_status_writes */
+	ulint innodb_read_views_memory;		/*!< srv_read_views_memory */
+	ulint innodb_descriptors_memory;	/*!< srv_descriptors_memory */
 	ib_int64_t innodb_s_lock_os_waits;
 	ib_int64_t innodb_s_lock_spin_rounds;
 	ib_int64_t innodb_s_lock_spin_waits;
diff --git a/storage/xtradb/include/ut0dbg.h b/storage/xtradb/include/ut0dbg.h
index ce6dcb63049..4913b357768 100644
--- a/storage/xtradb/include/ut0dbg.h
+++ b/storage/xtradb/include/ut0dbg.h
@@ -55,49 +55,8 @@ ut_dbg_assertion_failed(
 	ulint		line)	/*!< in: line number of the assertion */
 	UNIV_COLD __attribute__((nonnull(2)));
 
-
-#define UT_DBG_USE_ABORT
-
-
-#ifndef UT_DBG_USE_ABORT
-/** A null pointer that will be dereferenced to trigger a memory trap */
-extern ulint*	ut_dbg_null_ptr;
-#endif
-
-#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
-/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads
-will stop at the next ut_a() or ut_ad(). */
-extern ibool	ut_dbg_stop_threads;
-
-/*************************************************************//**
-Stop a thread after assertion failure. */
-UNIV_INTERN
-void
-ut_dbg_stop_thread(
-/*===============*/
-	const char*	file,
-	ulint		line);
-#endif
-
-#ifdef UT_DBG_USE_ABORT
 /** Abort the execution. */
-#ifdef _WIN32
-# define UT_DBG_PANIC __debugbreak()
-#else
 # define UT_DBG_PANIC abort()
-#endif
-/** Stop threads (null operation) */
-# define UT_DBG_STOP do {} while (0)
-#else /* UT_DBG_USE_ABORT */
-/** Abort the execution. */
-# define UT_DBG_PANIC					\
-	if (*(ut_dbg_null_ptr)) ut_dbg_null_ptr = NULL
-/** Stop threads in ut_a(). */
-# define UT_DBG_STOP do						\
-	if (UNIV_UNLIKELY(ut_dbg_stop_threads)) {		\
-		ut_dbg_stop_thread(__FILE__, (ulint) __LINE__);	\
-	} while (0)
-#endif /* UT_DBG_USE_ABORT */
 
 /** Abort execution if EXPR does not evaluate to nonzero.
 @param EXPR	assertion expression that should hold */
@@ -107,7 +66,6 @@ ut_dbg_stop_thread(
 				__FILE__, (ulint) __LINE__);	\
 		UT_DBG_PANIC;					\
 	}							\
-	UT_DBG_STOP;						\
 } while (0)
 
 /** Abort execution. */
diff --git a/storage/xtradb/lock/lock0lock.c b/storage/xtradb/lock/lock0lock.c
index f4c991d4fe9..70df6f1a66a 100644
--- a/storage/xtradb/lock/lock0lock.c
+++ b/storage/xtradb/lock/lock0lock.c
@@ -2005,6 +2005,8 @@ lock_rec_lock_fast(
 	      || mode - (LOCK_MODE_MASK & mode) == 0
 	      || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP);
 
+	DBUG_EXECUTE_IF("innodb_report_deadlock", return(LOCK_REC_FAIL););
+
 	lock = lock_rec_get_first_on_page(block);
 
 	trx = thr_get_trx(thr);
@@ -2082,6 +2084,8 @@ lock_rec_lock_slow(
 
 	trx = thr_get_trx(thr);
 
+	DBUG_EXECUTE_IF("innodb_report_deadlock", return(DB_DEADLOCK););
+
 	lock = lock_rec_has_expl(mode, block, heap_no, trx);
 	if (lock) {
 		if (lock->type_mode & LOCK_CONV_BY_OTHER) {
@@ -4145,6 +4149,7 @@ lock_rec_unlock(
 
 	ut_ad(trx && rec);
 	ut_ad(block->frame == page_align(rec));
+	ut_ad(trx->state == TRX_ACTIVE);
 
 	heap_no = page_rec_get_heap_no(rec);
 
@@ -5002,6 +5007,7 @@ lock_rec_validate_page(
 {
 	const lock_t*	lock;
 	const rec_t*	rec;
+	dict_index_t*	index;
 	ulint		nth_lock	= 0;
 	ulint		nth_bit		= 0;
 	ulint		i;
@@ -5051,6 +5057,7 @@ loop:
 
 		if (i == 1 || lock_rec_get_nth_bit(lock, i)) {
 
+			index = lock->index;
 			rec = page_find_rec_with_heap_no(block->frame, i);
 			ut_a(rec);
 			offsets = rec_get_offsets(rec, lock->index, offsets,
@@ -5067,7 +5074,7 @@ loop:
 			check WILL break the latching order and may
 			cause a deadlock of threads. */
 
-			lock_rec_queue_validate(block, rec, lock->index,
+			lock_rec_queue_validate(block, rec, index,
 						offsets);
 
 			lock_mutex_enter_kernel();
diff --git a/storage/xtradb/log/log0log.c b/storage/xtradb/log/log0log.c
index e51ac7c4d5d..9ff8c2448d4 100644
--- a/storage/xtradb/log/log0log.c
+++ b/storage/xtradb/log/log0log.c
@@ -2390,7 +2390,8 @@ loop:
 }
 
 /******************************************************//**
-Reads a specified log segment to a buffer. */
+Reads a specified log segment to a buffer.  Optionally releases the log mutex
+before the I/O.  */
 UNIV_INTERN
 void
 log_group_read_log_seg(
@@ -2399,7 +2400,9 @@ log_group_read_log_seg(
 	byte*		buf,		/*!< in: buffer where to read */
 	log_group_t*	group,		/*!< in: log group */
 	ib_uint64_t	start_lsn,	/*!< in: read area start */
-	ib_uint64_t	end_lsn)	/*!< in: read area end */
+	ib_uint64_t	end_lsn,	/*!< in: read area end */
+	ibool		release_mutex)	/*!< in: whether the log_sys->mutex
+					should be released before the read */
 {
 	ulint	len;
 	ulint	source_offset;
@@ -2429,6 +2432,10 @@ loop:
 
 	log_sys->n_log_ios++;
 
+	if (release_mutex) {
+		mutex_exit(&(log_sys->mutex));
+	}
+
 	fil_io(OS_FILE_READ | OS_FILE_LOG, sync, group->space_id, 0,
 	       source_offset / UNIV_PAGE_SIZE, source_offset % UNIV_PAGE_SIZE,
 	       len, buf, NULL);
@@ -2438,6 +2445,9 @@ loop:
 
 	if (start_lsn != end_lsn) {
 
+		if (release_mutex) {
+			mutex_enter(&(log_sys->mutex));
+		}
 		goto loop;
 	}
 }
@@ -2929,7 +2939,7 @@ arch_none:
 
 	log_group_read_log_seg(LOG_ARCHIVE, log_sys->archive_buf,
 			       UT_LIST_GET_FIRST(log_sys->log_groups),
-			       start_lsn, limit_lsn);
+			       start_lsn, limit_lsn, FALSE);
 
 	mutex_exit(&(log_sys->mutex));
 
diff --git a/storage/xtradb/log/log0online.c b/storage/xtradb/log/log0online.c
index be0a9708b8c..6d7cb928d9c 100644
--- a/storage/xtradb/log/log0online.c
+++ b/storage/xtradb/log/log0online.c
@@ -43,8 +43,8 @@ UNIV_INTERN mysql_pfs_key_t	log_bmp_sys_mutex_key;
 
 /** Log parsing and bitmap output data structure */
 struct log_bitmap_struct {
-	byte		read_buf[FOLLOW_SCAN_SIZE];
-					/*!< log read buffer */
+	byte*		read_buf_ptr;	/*!< Unaligned log read buffer */
+	byte*		read_buf;	/*!< log read buffer */
 	byte		parse_buf[RECV_PARSING_BUF_SIZE];
 					/*!< log parse buffer */
 	byte*		parse_buf_end;  /*!< parse buffer position where the
@@ -53,6 +53,8 @@ struct log_bitmap_struct {
 					parsed, it points to the start,
 					otherwise points immediatelly past the
 					end of the incomplete log record. */
+	char		bmp_file_home[FN_REFLEN];
+					/*!< directory for bitmap files */
 	log_online_bitmap_file_t out;	/*!< The current bitmap file */
 	ulint		out_seq_num;	/*!< the bitmap file sequence number */
 	ib_uint64_t	start_lsn;	/*!< the LSN of the next unparsed
@@ -490,9 +492,8 @@ log_online_make_bitmap_name(
 	ib_uint64_t	start_lsn)	/*!< in: the start LSN name part */
 {
 	ut_snprintf(log_bmp_sys->out.name, FN_REFLEN, bmp_file_name_template,
-		    srv_data_home, bmp_file_name_stem,
+		    log_bmp_sys->bmp_file_home, bmp_file_name_stem,
 		    log_bmp_sys->out_seq_num, start_lsn);
-
 }
 
 /*********************************************************************//**
@@ -509,7 +510,8 @@ log_online_should_overwrite(
 
 	/* Currently, it's OK to overwrite 0-sized files only */
 	success = os_file_get_status(path, &file_info);
-	return success && file_info.size == 0LL;
+	return success && file_info.type == OS_FILE_TYPE_FILE
+		&& file_info.size == 0LL;
 }
 
 /*********************************************************************//**
@@ -525,7 +527,7 @@ log_online_start_bitmap_file(void)
 
 	/* Check for an old file that should be deleted first */
 	if (log_online_should_overwrite(log_bmp_sys->out.name)) {
-		success = os_file_delete(log_bmp_sys->out.name);
+		success = os_file_delete_if_exists(log_bmp_sys->out.name);
 	}
 
 	if (UNIV_LIKELY(success)) {
@@ -544,7 +546,6 @@ log_online_start_bitmap_file(void)
 		fprintf(stderr,
 			"InnoDB: Error: Cannot create \'%s\'\n",
 			log_bmp_sys->out.name);
-		log_bmp_sys->out.file = -1;
 		return FALSE;
 	}
 
@@ -563,9 +564,9 @@ log_online_rotate_bitmap_file(
 	ib_uint64_t	next_file_start_lsn)	/*!<in: the start LSN name
 						part */
 {
-	if (log_bmp_sys->out.file != -1) {
+	if (log_bmp_sys->out.file != os_file_invalid) {
 		os_file_close(log_bmp_sys->out.file);
-		log_bmp_sys->out.file = -1;
+		log_bmp_sys->out.file = os_file_invalid;
 	}
 	log_bmp_sys->out_seq_num++;
 	log_online_make_bitmap_name(next_file_start_lsn);
@@ -613,6 +614,7 @@ log_online_read_init(void)
 	os_file_dir_t	bitmap_dir;
 	os_file_stat_t	bitmap_dir_file_info;
 	ib_uint64_t	last_file_start_lsn	= MIN_TRACKED_LSN;
+	size_t		srv_data_home_len;
 
 	/* Bitmap data start and end in a bitmap block must be 8-byte
 	aligned. */
@@ -620,20 +622,39 @@ log_online_read_init(void)
 	compile_time_assert(MODIFIED_PAGE_BLOCK_BITMAP_LEN % 8 == 0);
 
 	log_bmp_sys = ut_malloc(sizeof(*log_bmp_sys));
+	log_bmp_sys->read_buf_ptr = ut_malloc(FOLLOW_SCAN_SIZE
+					      + OS_FILE_LOG_BLOCK_SIZE);
+	log_bmp_sys->read_buf = ut_align(log_bmp_sys->read_buf_ptr,
+					 OS_FILE_LOG_BLOCK_SIZE);
 
 	mutex_create(log_bmp_sys_mutex_key, &log_bmp_sys->mutex,
 		     SYNC_LOG_ONLINE);
 
+	/* Initialize bitmap file directory from srv_data_home and add a path
+	separator if needed.  */
+	srv_data_home_len = strlen(srv_data_home);
+	ut_a (srv_data_home_len < FN_REFLEN);
+	strcpy(log_bmp_sys->bmp_file_home, srv_data_home);
+	if (srv_data_home_len
+	    && log_bmp_sys->bmp_file_home[srv_data_home_len - 1]
+	    != SRV_PATH_SEPARATOR) {
+
+		ut_a (srv_data_home_len < FN_REFLEN - 1);
+		log_bmp_sys->bmp_file_home[srv_data_home_len]
+			= SRV_PATH_SEPARATOR;
+		log_bmp_sys->bmp_file_home[srv_data_home_len + 1] = '\0';
+	}
+
 	/* Enumerate existing bitmap files to either open the last one to get
 	the last tracked LSN either to find that there are none and start
 	tracking from scratch.  */
 	log_bmp_sys->out.name[0] = '\0';
 	log_bmp_sys->out_seq_num = 0;
 
-	bitmap_dir = os_file_opendir(srv_data_home, TRUE);
+	bitmap_dir = os_file_opendir(log_bmp_sys->bmp_file_home, TRUE);
 	ut_a(bitmap_dir);
-	while (!os_file_readdir_next_file(srv_data_home, bitmap_dir,
-					  &bitmap_dir_file_info)) {
+	while (!os_file_readdir_next_file(log_bmp_sys->bmp_file_home,
+					  bitmap_dir, &bitmap_dir_file_info)) {
 
 		ulong		file_seq_num;
 		ib_uint64_t	file_start_lsn;
@@ -648,8 +669,8 @@ log_online_read_init(void)
 		    && bitmap_dir_file_info.size > 0) {
 			log_bmp_sys->out_seq_num = file_seq_num;
 			last_file_start_lsn = file_start_lsn;
-			/* No dir component (srv_data_home) here, because
-			that's the cwd */
+			/* No dir component (log_bmp_sys->bmp_file_home) here,
+			because	that's the cwd */
 			strncpy(log_bmp_sys->out.name,
 				bitmap_dir_file_info.name, FN_REFLEN - 1);
 			log_bmp_sys->out.name[FN_REFLEN - 1] = '\0';
@@ -659,7 +680,7 @@ log_online_read_init(void)
 	if (os_file_closedir(bitmap_dir)) {
 		os_file_get_last_error(TRUE);
 		fprintf(stderr, "InnoDB: Error: cannot close \'%s\'\n",
-			srv_data_home);
+			log_bmp_sys->bmp_file_home);
 		exit(1);
 	}
 
@@ -762,9 +783,9 @@ log_online_read_shutdown(void)
 {
 	ib_rbt_node_t *free_list_node = log_bmp_sys->page_free_list;
 
-	if (log_bmp_sys->out.file != -1) {
+	if (log_bmp_sys->out.file != os_file_invalid) {
 		os_file_close(log_bmp_sys->out.file);
-		log_bmp_sys->out.file = -1;
+		log_bmp_sys->out.file = os_file_invalid;
 	}
 
 	rbt_free(log_bmp_sys->modified_pages);
@@ -777,6 +798,7 @@ log_online_read_shutdown(void)
 
 	mutex_free(&log_bmp_sys->mutex);
 
+	ut_free(log_bmp_sys->read_buf_ptr);
 	ut_free(log_bmp_sys);
 }
 
@@ -978,8 +1000,8 @@ log_online_follow_log_seg(
 
 	mutex_enter(&log_sys->mutex);
 	log_group_read_log_seg(LOG_RECOVER, log_bmp_sys->read_buf,
-			       group, block_start_lsn, block_end_lsn);
-	mutex_exit(&log_sys->mutex);
+			       group, block_start_lsn, block_end_lsn, TRUE);
+	/* log_group_read_log_seg will release the log_sys->mutex for us */
 
 	while (log_block < log_block_end
 	       && log_bmp_sys->next_parse_lsn < log_bmp_sys->end_lsn) {
@@ -1256,15 +1278,18 @@ log_online_setup_bitmap_file_range(
 	os_file_dir_t	bitmap_dir;
 	os_file_stat_t	bitmap_dir_file_info;
 	ulong		first_file_seq_num	= ULONG_MAX;
+	ulong		last_file_seq_num	= 0;
 	ib_uint64_t	first_file_start_lsn	= IB_ULONGLONG_MAX;
 
+	ut_ad(range_end >= range_start);
+
 	bitmap_files->count = 0;
 	bitmap_files->files = NULL;
 
 	/* 1st pass: size the info array */
 
 	bitmap_dir = os_file_opendir(srv_data_home, FALSE);
-	if (!bitmap_dir) {
+	if (UNIV_UNLIKELY(!bitmap_dir)) {
 		fprintf(stderr,
 			"InnoDB: Error: "
 			"failed to open bitmap directory \'%s\'\n",
@@ -1286,12 +1311,17 @@ log_online_setup_bitmap_file_range(
 			continue;
 		}
 
+		if (file_seq_num > last_file_seq_num) {
+
+			last_file_seq_num = file_seq_num;
+		}
+
 		if (file_start_lsn >= range_start
 		    || file_start_lsn == first_file_start_lsn
 		    || first_file_start_lsn > range_start) {
 
 			/* A file that falls into the range */
-			bitmap_files->count++;
+
 			if (file_start_lsn < first_file_start_lsn) {
 
 				first_file_start_lsn = file_start_lsn;
@@ -1309,23 +1339,27 @@ log_online_setup_bitmap_file_range(
 		}
 	}
 
-	ut_a(first_file_seq_num != ULONG_MAX || bitmap_files->count == 0);
+	if (UNIV_UNLIKELY(os_file_closedir(bitmap_dir))) {
 
-	if (os_file_closedir(bitmap_dir)) {
 		os_file_get_last_error(TRUE);
 		fprintf(stderr, "InnoDB: Error: cannot close \'%s\'\n",
 			srv_data_home);
 		return FALSE;
 	}
 
-	if (!bitmap_files->count) {
+	if (first_file_seq_num == ULONG_MAX && last_file_seq_num == 0) {
+
+		bitmap_files->count = 0;
 		return TRUE;
 	}
 
+	bitmap_files->count = last_file_seq_num - first_file_seq_num + 1;
+
 	/* 2nd pass: get the file names in the file_seq_num order */
 
 	bitmap_dir = os_file_opendir(srv_data_home, FALSE);
-	if (!bitmap_dir) {
+	if (UNIV_UNLIKELY(!bitmap_dir)) {
+
 		fprintf(stderr, "InnoDB: Error: "
 			"failed to open bitmap directory \'%s\'\n",
 			srv_data_home);
@@ -1349,11 +1383,25 @@ log_online_setup_bitmap_file_range(
 					       &file_start_lsn)
 		    || file_start_lsn >= range_end
 		    || file_start_lsn < first_file_start_lsn) {
+
 			continue;
 		}
 
 		array_pos = file_seq_num - first_file_seq_num;
+		if (UNIV_UNLIKELY(array_pos >= bitmap_files->count)) {
+
+			fprintf(stderr,
+				"InnoDB: Error: inconsistent bitmap file "
+				"directory for a "
+				"INFORMATION_SCHEMA.INNODB_CHANGED_PAGES query"
+				"\n");
+			free(bitmap_files->files);
+			return FALSE;
+		}
+
+
 		if (file_seq_num > bitmap_files->files[array_pos].seq_num) {
+
 			bitmap_files->files[array_pos].seq_num = file_seq_num;
 			strncpy(bitmap_files->files[array_pos].name,
 				bitmap_dir_file_info.name, FN_REFLEN);
@@ -1364,7 +1412,8 @@ log_online_setup_bitmap_file_range(
 		}
 	}
 
-	if (os_file_closedir(bitmap_dir)) {
+	if (UNIV_UNLIKELY(os_file_closedir(bitmap_dir))) {
+
 		os_file_get_last_error(TRUE);
 		fprintf(stderr, "InnoDB: Error: cannot close \'%s\'\n",
 			srv_data_home);
@@ -1411,6 +1460,8 @@ log_online_open_bitmap_file_read_only(
 	ulint	size_low;
 	ulint	size_high;
 
+	ut_ad(name[0] != '\0');
+
 	ut_snprintf(bitmap_file->name, FN_REFLEN, "%s%s", srv_data_home, name);
 	bitmap_file->file
 		= os_file_create_simple_no_error_handling(innodb_file_bmp_key,
@@ -1418,7 +1469,8 @@ log_online_open_bitmap_file_read_only(
 							  OS_FILE_OPEN,
 							  OS_FILE_READ_ONLY,
 							  &success);
-	if (!success) {
+	if (UNIV_UNLIKELY(!success)) {
+
 		/* Here and below assume that bitmap file names do not
 		contain apostrophes, thus no need for ut_print_filename(). */
 		fprintf(stderr,
@@ -1461,7 +1513,8 @@ log_online_diagnose_bitmap_eof(
 	    || (bitmap_file->offset
 		> bitmap_file->size - MODIFIED_PAGE_BLOCK_SIZE)) {
 
-		if (bitmap_file->offset != bitmap_file->size) {
+		if (UNIV_UNLIKELY(bitmap_file->offset != bitmap_file->size)) {
+
 			/* If we are not at EOF and we have less than one page
 			to read, it's junk.  This error is not fatal in
 			itself. */
@@ -1472,7 +1525,8 @@ log_online_diagnose_bitmap_eof(
 				bitmap_file->name);
 		}
 
-		if (!last_page_in_run) {
+		if (UNIV_UNLIKELY(!last_page_in_run)) {
+
 			/* We are at EOF but the last read page did not finish
 			a run */
 			/* It's a "Warning" here because it's not a fatal error
@@ -1512,18 +1566,29 @@ log_online_bitmap_iterator_init(
 	if (!log_online_setup_bitmap_file_range(&i->in_files, min_lsn,
 		max_lsn)) {
 
+		i->failed = TRUE;
 		return FALSE;
 	}
 
-	ut_a(i->in_files.count > 0);
+	i->in_i = 0;
+
+	if (i->in_files.count == 0) {
+
+		/* Empty range */
+		i->in.file = os_file_invalid;
+		i->page = NULL;
+		i->failed = FALSE;
+		return TRUE;
+	}
 
 	/* Open the 1st bitmap file */
-	i->in_i = 0;
-	if (!log_online_open_bitmap_file_read_only(i->in_files.files[i->in_i].
-						   name,
-						   &i->in)) {
+	if (UNIV_UNLIKELY(!log_online_open_bitmap_file_read_only(
+				i->in_files.files[i->in_i].name,
+				&i->in))) {
+
 		i->in_i = i->in_files.count;
 		free(i->in_files.files);
+		i->failed = TRUE;
 		return FALSE;
 	}
 
@@ -1534,6 +1599,7 @@ log_online_bitmap_iterator_init(
 	i->first_page_id = 0;
 	i->last_page_in_run = TRUE;
 	i->changed = FALSE;
+	i->failed = FALSE;
 
 	return TRUE;
 }
@@ -1548,11 +1614,20 @@ log_online_bitmap_iterator_release(
 {
 	ut_a(i);
 
-	if (i->in_i < i->in_files.count) {
+	if (i->in.file != os_file_invalid) {
+
 		os_file_close(i->in.file);
+		i->in.file = os_file_invalid;
+	}
+	if (i->in_files.files) {
+
+		ut_free(i->in_files.files);
+	}
+	if (i->page) {
+
+		ut_free(i->page);
 	}
-	ut_free(i->in_files.files);
-	ut_free(i->page);
+	i->failed = TRUE;
 }
 
 /*********************************************************************//**
@@ -1567,10 +1642,16 @@ log_online_bitmap_iterator_next(
 	log_bitmap_iterator_t *i) /*!<in/out: iterator */
 {
 	ibool	checksum_ok = FALSE;
+	ibool	success;
 
 	ut_a(i);
 
-	if (i->bit_offset < MODIFIED_PAGE_BLOCK_BITMAP_LEN)
+	if (UNIV_UNLIKELY(i->in_files.count == 0)) {
+
+		return FALSE;
+	}
+
+	if (UNIV_LIKELY(i->bit_offset < MODIFIED_PAGE_BLOCK_BITMAP_LEN))
 	{
 		++i->bit_offset;
 		i->changed =
@@ -1587,29 +1668,56 @@ log_online_bitmap_iterator_next(
 
 			/* Advance file */
 			i->in_i++;
-			os_file_close(i->in.file);
-			log_online_diagnose_bitmap_eof(&i->in,
-						       i->last_page_in_run);
-			if (i->in_i == i->in_files.count
-			    || i->in_files.files[i->in_i].seq_num == 0) {
+			success = os_file_close_no_error_handling(i->in.file);
+			i->in.file = os_file_invalid;
+			if (UNIV_UNLIKELY(!success)) {
 
+				os_file_get_last_error(TRUE);
+				i->failed = TRUE;
 				return FALSE;
 			}
 
-			if (!log_online_open_bitmap_file_read_only(
+			success = log_online_diagnose_bitmap_eof(
+					&i->in, i->last_page_in_run);
+			if (UNIV_UNLIKELY(!success)) {
+
+				i->failed = TRUE;
+				return FALSE;
+
+			}
+
+			if (i->in_i == i->in_files.count) {
+
+				return FALSE;
+			}
+
+			if (UNIV_UNLIKELY(i->in_files.files[i->in_i].seq_num
+					  == 0)) {
+
+				i->failed = TRUE;
+				return FALSE;
+			}
+
+			success = log_online_open_bitmap_file_read_only(
 					i->in_files.files[i->in_i].name,
-					&i->in)) {
+					&i->in);
+			if (UNIV_UNLIKELY(!success)) {
+
+				i->failed = TRUE;
 				return FALSE;
 			}
 		}
 
-		if (!log_online_read_bitmap_page(&i->in, i->page,
-						 &checksum_ok)) {
+		success = log_online_read_bitmap_page(&i->in, i->page,
+						      &checksum_ok);
+		if (UNIV_UNLIKELY(!success)) {
+
 			os_file_get_last_error(TRUE);
 			fprintf(stderr,
 				"InnoDB: Warning: failed reading "
 				"changed page bitmap file \'%s\'\n",
 				i->in_files.files[i->in_i].name);
+			i->failed = TRUE;
 			return FALSE;
 		}
 	}
@@ -1666,7 +1774,7 @@ log_online_purge_changed_page_bitmaps(
 		/* If we have to delete the current output file, close it
 		first. */
 		os_file_close(log_bmp_sys->out.file);
-		log_bmp_sys->out.file = -1;
+		log_bmp_sys->out.file = os_file_invalid;
 	}
 
 	for (i = 0; i < bitmap_files.count; i++) {
diff --git a/storage/xtradb/log/log0recv.c b/storage/xtradb/log/log0recv.c
index 4e179afd50c..9c26bd8eac6 100644
--- a/storage/xtradb/log/log0recv.c
+++ b/storage/xtradb/log/log0recv.c
@@ -553,7 +553,8 @@ recv_copy_group(
 		}
 
 		log_group_read_log_seg(LOG_RECOVER, log_sys->buf,
-				       up_to_date_group, start_lsn, end_lsn);
+				       up_to_date_group, start_lsn, end_lsn,
+				       FALSE);
 
 		len = (ulint) (end_lsn - start_lsn);
 
@@ -597,7 +598,7 @@ recv_synchronize_groups(
 	ut_a(start_lsn != end_lsn);
 
 	log_group_read_log_seg(LOG_RECOVER, recv_sys->last_block,
-			       up_to_date_group, start_lsn, end_lsn);
+			       up_to_date_group, start_lsn, end_lsn, FALSE);
 
 	group = UT_LIST_GET_FIRST(log_sys->log_groups);
 
@@ -1716,19 +1717,6 @@ recv_recover_page_func(
 	}
 #endif /* UNIV_ZIP_DEBUG */
 
-	mutex_enter(&(recv_sys->mutex));
-
-	if (recv_max_page_lsn < page_lsn) {
-		recv_max_page_lsn = page_lsn;
-	}
-
-	recv_addr->state = RECV_PROCESSED;
-
-	ut_a(recv_sys->n_addrs);
-	recv_sys->n_addrs--;
-
-	mutex_exit(&(recv_sys->mutex));
-
 #ifndef UNIV_HOTBACKUP
 	if (modification_to_page) {
 		ut_a(block);
@@ -1745,6 +1733,20 @@ recv_recover_page_func(
 	mtr.modifications = FALSE;
 
 	mtr_commit(&mtr);
+
+	mutex_enter(&(recv_sys->mutex));
+
+	if (recv_max_page_lsn < page_lsn) {
+		recv_max_page_lsn = page_lsn;
+	}
+
+	recv_addr->state = RECV_PROCESSED;
+
+	ut_a(recv_sys->n_addrs);
+	recv_sys->n_addrs--;
+
+	mutex_exit(&(recv_sys->mutex));
+
 }
 
 #ifndef UNIV_HOTBACKUP
@@ -2894,7 +2896,7 @@ recv_group_scan_log_recs(
 		end_lsn = start_lsn + RECV_SCAN_SIZE;
 
 		log_group_read_log_seg(LOG_RECOVER, log_sys->buf,
-				       group, start_lsn, end_lsn);
+				       group, start_lsn, end_lsn, FALSE);
 
 		finished = recv_scan_log_recs(
 			(buf_pool_get_n_pages()
diff --git a/storage/xtradb/mem/mem0mem.c b/storage/xtradb/mem/mem0mem.c
index 7727760f1cd..797de06c896 100644
--- a/storage/xtradb/mem/mem0mem.c
+++ b/storage/xtradb/mem/mem0mem.c
@@ -353,7 +353,13 @@ mem_heap_create_block(
 		block = (mem_block_t*) buf_block->frame;
 	}
 
-	ut_ad(block);
+	if(!block) {
+		ut_print_timestamp(stderr);
+		fprintf(stderr,
+			" InnoDB: Unable to allocate memory of size %lu.\n",
+			len);
+		ut_error;
+	}
 	block->buf_block = buf_block;
 	block->free_block = NULL;
 #else /* !UNIV_HOTBACKUP */
diff --git a/storage/xtradb/mtr/mtr0mtr.c b/storage/xtradb/mtr/mtr0mtr.c
index 9eb7b18f301..083692efd77 100644
--- a/storage/xtradb/mtr/mtr0mtr.c
+++ b/storage/xtradb/mtr/mtr0mtr.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -59,72 +59,81 @@ mtr_block_dirtied(
 
 /*****************************************************************//**
 Releases the item in the slot given. */
-static
+static __attribute__((nonnull))
 void
-mtr_memo_slot_release(
-/*==================*/
-	mtr_t*			mtr,	/*!< in: mtr */
+mtr_memo_slot_release_func(
+/*=======================*/
+#ifdef UNIV_DEBUG
+ 	mtr_t*			mtr,	/*!< in/out: mini-transaction */
+#endif /* UNIV_DEBUG */
 	mtr_memo_slot_t*	slot)	/*!< in: memo slot */
 {
-	void*	object;
-	ulint	type;
-
-	ut_ad(mtr);
-	ut_ad(slot);
-
-#ifndef UNIV_DEBUG
-	UT_NOT_USED(mtr);
-#endif /* UNIV_DEBUG */
-
-	object = slot->object;
-	type = slot->type;
+	void*	object = slot->object;
+	slot->object = NULL;
 
-	if (UNIV_LIKELY(object != NULL)) {
-		if (type <= MTR_MEMO_BUF_FIX) {
-			buf_page_release((buf_block_t*)object, type);
-		} else if (type == MTR_MEMO_S_LOCK) {
-			rw_lock_s_unlock((rw_lock_t*)object);
+	/* slot release is a local operation for the current mtr.
+	We must not be holding the flush_order mutex while
+	doing this. */
+	ut_ad(!log_flush_order_mutex_own());
+
+	switch (slot->type) {
+	case MTR_MEMO_PAGE_S_FIX:
+	case MTR_MEMO_PAGE_X_FIX:
+	case MTR_MEMO_BUF_FIX:
+		buf_page_release((buf_block_t*) object, slot->type);
+		break;
+	case MTR_MEMO_S_LOCK:
+		rw_lock_s_unlock((rw_lock_t*) object);
+		break;
+	case MTR_MEMO_X_LOCK:
+		rw_lock_x_unlock((rw_lock_t*) object);
+		break;
 #ifdef UNIV_DEBUG
-		} else if (type != MTR_MEMO_X_LOCK) {
-			ut_ad(type == MTR_MEMO_MODIFY);
-			ut_ad(mtr_memo_contains(mtr, object,
-						MTR_MEMO_PAGE_X_FIX));
+	default:
+		ut_ad(slot->type == MTR_MEMO_MODIFY);
+		ut_ad(mtr_memo_contains(mtr, object, MTR_MEMO_PAGE_X_FIX));
 #endif /* UNIV_DEBUG */
-		} else {
-			rw_lock_x_unlock((rw_lock_t*)object);
-		}
 	}
-
-	slot->object = NULL;
 }
 
+#ifdef UNIV_DEBUG
+# define mtr_memo_slot_release(mtr, slot) mtr_memo_slot_release_func(mtr, slot)
+#else /* UNIV_DEBUG */
+# define mtr_memo_slot_release(mtr, slot) mtr_memo_slot_release_func(slot)
+#endif /* UNIV_DEBUG */
+
 /**********************************************************//**
 Releases the mlocks and other objects stored in an mtr memo.
 They are released in the order opposite to which they were pushed
 to the memo. */
-static
+static __attribute__((nonnull))
 void
 mtr_memo_pop_all(
 /*=============*/
-	mtr_t*	mtr)	/*!< in: mtr */
+	mtr_t*	mtr)	/*!< in/out: mini-transaction */
 {
-	mtr_memo_slot_t* slot;
-	dyn_array_t*	memo;
-	ulint		offset;
+	const dyn_block_t*	block;
 
-	ut_ad(mtr);
 	ut_ad(mtr->magic_n == MTR_MAGIC_N);
 	ut_ad(mtr->state == MTR_COMMITTING); /* Currently only used in
 					     commit */
-	memo = &(mtr->memo);
-
-	offset = dyn_array_get_data_size(memo);
-
-	while (offset > 0) {
-		offset -= sizeof(mtr_memo_slot_t);
-		slot = dyn_array_get_element(memo, offset);
 
-		mtr_memo_slot_release(mtr, slot);
+	for (block = dyn_array_get_last_block(&mtr->memo);
+	     block;
+	     block = dyn_array_get_prev_block(&mtr->memo, block)) {
+		const mtr_memo_slot_t*	start
+			= (mtr_memo_slot_t*) dyn_block_get_data(block);
+		mtr_memo_slot_t*	slot
+			= (mtr_memo_slot_t*) (dyn_block_get_data(block)
+					      + dyn_block_get_used(block));
+
+		ut_ad(!(dyn_block_get_used(block) % sizeof(mtr_memo_slot_t)));
+
+		while (slot-- != start) {
+			if (slot->object != NULL) {
+				mtr_memo_slot_release(mtr, slot);
+			}
+		}
 	}
 }
 
@@ -320,42 +329,36 @@ UNIV_INTERN
 void
 mtr_memo_release(
 /*=============*/
-	mtr_t*	mtr,	/*!< in: mtr */
+	mtr_t*	mtr,	/*!< in/out: mini-transaction */
 	void*	object,	/*!< in: object */
 	ulint	type)	/*!< in: object type: MTR_MEMO_S_LOCK, ... */
 {
-	mtr_memo_slot_t* slot;
-	dyn_array_t*	memo;
-	ulint		offset;
+	const dyn_block_t*	block;
 
-	ut_ad(mtr);
 	ut_ad(mtr->magic_n == MTR_MAGIC_N);
 	ut_ad(mtr->state == MTR_ACTIVE);
-
-	memo = &(mtr->memo);
-
-	offset = dyn_array_get_data_size(memo);
-
-	log_flush_order_mutex_enter();
-	while (offset > 0) {
-		offset -= sizeof(mtr_memo_slot_t);
-
-		slot = dyn_array_get_element(memo, offset);
-
-		if (object == slot->object && type == slot->type) {
-
-			/* We cannot release a page that has been written
-			to in the middle of a mini-transaction. */
-
-			ut_ad(!(mtr->modifications
-			       	&& slot->type == MTR_MEMO_PAGE_X_FIX));
-
-			mtr_memo_slot_release(mtr, slot);
-
-			break;
+	/* We cannot release a page that has been written to in the
+	middle of a mini-transaction. */
+	ut_ad(!mtr->modifications || type != MTR_MEMO_PAGE_X_FIX);
+
+	for (block = dyn_array_get_last_block(&mtr->memo);
+	     block;
+	     block = dyn_array_get_prev_block(&mtr->memo, block)) {
+		const mtr_memo_slot_t*	start
+			= (mtr_memo_slot_t*) dyn_block_get_data(block);
+		mtr_memo_slot_t*	slot
+			= (mtr_memo_slot_t*) (dyn_block_get_data(block)
+					      + dyn_block_get_used(block));
+
+		ut_ad(!(dyn_block_get_used(block) % sizeof(mtr_memo_slot_t)));
+
+		while (slot-- != start) {
+			if (object == slot->object && type == slot->type) {
+				mtr_memo_slot_release(mtr, slot);
+				return;
+			}
 		}
 	}
-	log_flush_order_mutex_exit();
 }
 #endif /* !UNIV_HOTBACKUP */
 
diff --git a/storage/xtradb/os/os0file.c b/storage/xtradb/os/os0file.c
index 8f7f8216782..ae6ba05c9f6 100644
--- a/storage/xtradb/os/os0file.c
+++ b/storage/xtradb/os/os0file.c
@@ -21,7 +21,7 @@ Public License for more details.
 
 You should have received a copy of the GNU General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 
 ***********************************************************************/
 
@@ -66,6 +66,13 @@ Created 10/21/1995 Heikki Tuuri
 #define IOCP_SHUTDOWN_KEY (ULONG_PTR)-1
 #endif
 
+#if defined(UNIV_LINUX) && defined(HAVE_SYS_IOCTL_H)
+# include <sys/ioctl.h>
+# ifndef DFS_IOCTL_ATOMIC_WRITE_SET
+#  define DFS_IOCTL_ATOMIC_WRITE_SET _IOW(0x95, 2, uint)
+# endif
+#endif
+
 /* This specifies the file permissions InnoDB uses when it creates files in
 Unix; the value of os_innodb_umask is initialized in ha_innodb.cc to
 my_umask */
@@ -1455,40 +1462,37 @@ os_file_set_nocache(
 }
 
 
-#ifdef __linux__
-#include <sys/ioctl.h>
-#ifndef DFS_IOCTL_ATOMIC_WRITE_SET 
-#define DFS_IOCTL_ATOMIC_WRITE_SET _IOW(0x95, 2, uint)
-#endif
-static int os_file_set_atomic_writes(os_file_t file, const char *name) 
+/****************************************************************//**
+Tries to enable the atomic write feature, if available, for the specified file
+handle.
+@return TRUE if success */
+static __attribute__((warn_unused_result))
+ibool
+os_file_set_atomic_writes(
+/*======================*/
+	const char*	name	/*!< in: name of the file */
+	__attribute__((unused)),
+	os_file_t	file	/*!< in: handle to the file */
+	__attribute__((unused)))
+
 {
-	int atomic_option = 1;
+#ifdef DFS_IOCTL_ATOMIC_WRITE_SET
+	int	atomic_option	= 1;
 
-	int ret = ioctl (file, DFS_IOCTL_ATOMIC_WRITE_SET, &atomic_option);
+	if (ioctl(file, DFS_IOCTL_ATOMIC_WRITE_SET, &atomic_option)) {
 
-	if (ret) {
-		fprintf(stderr, 
-		"InnoDB : can't use atomic write on %s, errno %d\n",
-		name, errno);
-		return ret;
+		os_file_handle_error_no_exit(name, "ioctl");
+		return(FALSE);
 	}
-	return ret;
-}
-#else 
-static int os_file_set_atomic_writes(os_file_t file, const char *name) 
-{
-	fprintf(stderr,
-	"InnoDB : can't use atomic writes on %s - not implemented on this platform."
-	"innodb_use_atomic_writes needs to be 0.\n", 
-	name);
-#ifdef _WIN32
-	SetLastError(ERROR_INVALID_FUNCTION);
+
+	return(TRUE);
 #else
-	errno = EINVAL;
+	fprintf(stderr, "InnoDB: Error: trying to enable atomic writes on "
+		"non-supported platform! Please restart with "
+		"innodb_use_atomic_writes disabled.\n");
+	return(FALSE);
 #endif
-	return -1;
 }
-#endif
 
 /****************************************************************//**
 NOTE! Use the corresponding macro os_file_create(), not directly
@@ -1780,11 +1784,13 @@ try_again:
 		file = -1;
 	}
 #endif /* USE_FILE_LOCK */
-	if (srv_use_atomic_writes && type == OS_DATA_FILE 
-		&& os_file_set_atomic_writes(file, name)) {
-			close(file);
-			*success = FALSE;
-			file = -1;
+
+	if (srv_use_atomic_writes && type == OS_DATA_FILE
+	    && os_file_set_atomic_writes(name, file)) {
+
+		*success = FALSE;
+		close(file);
+		file = -1;
 	}
 
 	return(file);
@@ -1996,7 +2002,6 @@ os_file_close_func(
 #endif
 }
 
-#ifdef UNIV_HOTBACKUP
 /***********************************************************************//**
 Closes a file handle.
 @return	TRUE if success */
@@ -2031,7 +2036,6 @@ os_file_close_no_error_handling(
 	return(TRUE);
 #endif
 }
-#endif /* UNIV_HOTBACKUP */
 
 /***********************************************************************//**
 Gets a file size.
@@ -2131,24 +2135,18 @@ os_file_set_size(
 	desired_size = (ib_int64_t)size + (((ib_int64_t)size_high) << 32);
 
 #ifdef HAVE_POSIX_FALLOCATE
-        if (srv_use_posix_fallocate) {
+	if (srv_use_posix_fallocate) {
+
 		if (posix_fallocate(file, current_size, desired_size) == -1) {
-			fprintf(stderr,
-		 	"InnoDB: Error: preallocating data for"
-			" file %s failed at\n"
-			"InnoDB: offset 0 size %lld %lld. Operating system"
-			" error number %d.\n"
-			"InnoDB: Check that the disk is not full"
-			" or a disk quota exceeded.\n"
-			"InnoDB: Some operating system error numbers"
-			" are described at\n"
-			"InnoDB: "
-			REFMAN "operating-system-error-codes.html\n",
-			name,  (long long)size_high,  (long long)size, errno);
 
-			return (FALSE);
+			fprintf(stderr, "InnoDB: Error: preallocating file "
+				"space for file \'%s\' failed.  Current size "
+				"%lld, desired size %lld\n",
+				name, current_size, desired_size);
+			os_file_handle_error_no_exit(name, "posix_fallocate");
+			return(FALSE);
 		}
-		return (TRUE);
+		return(TRUE);
 	}
 #endif
 
diff --git a/storage/xtradb/page/page0zip.c b/storage/xtradb/page/page0zip.c
index 5357479908f..1cf707d0999 100644
--- a/storage/xtradb/page/page0zip.c
+++ b/storage/xtradb/page/page0zip.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2005, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2005, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -837,11 +837,12 @@ page_zip_compress_node_ptrs(
 		c_stream->next_in = (byte*) rec;
 		c_stream->avail_in = rec_offs_data_size(offsets)
 			- REC_NODE_PTR_SIZE;
-		ut_ad(c_stream->avail_in);
 
-		err = deflate(c_stream, Z_NO_FLUSH);
-		if (UNIV_UNLIKELY(err != Z_OK)) {
-			break;
+		if (c_stream->avail_in) {
+			err = deflate(c_stream, Z_NO_FLUSH);
+			if (UNIV_UNLIKELY(err != Z_OK)) {
+				break;
+			}
 		}
 
 		ut_ad(!c_stream->avail_in);
@@ -2274,13 +2275,12 @@ zlib_done:
 
 	if (UNIV_UNLIKELY
 	    (page_zip_get_trailer_len(page_zip,
-				      dict_index_is_clust(index), NULL)
+				      dict_index_is_clust(index))
 	     + page_zip->m_end >= page_zip_get_size(page_zip))) {
 		page_zip_fail(("page_zip_decompress_node_ptrs:"
 			       " %lu + %lu >= %lu, %lu\n",
 			       (ulong) page_zip_get_trailer_len(
-				       page_zip, dict_index_is_clust(index),
-				       NULL),
+				       page_zip, dict_index_is_clust(index)),
 			       (ulong) page_zip->m_end,
 			       (ulong) page_zip_get_size(page_zip),
 			       (ulong) dict_index_is_clust(index)));
@@ -2431,12 +2431,12 @@ zlib_done:
 		page_zip->m_nonempty = mod_log_ptr != d_stream->next_in;
 	}
 
-	if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, FALSE, NULL)
+	if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, FALSE)
 			  + page_zip->m_end >= page_zip_get_size(page_zip))) {
 
 		page_zip_fail(("page_zip_decompress_sec: %lu + %lu >= %lu\n",
 			       (ulong) page_zip_get_trailer_len(
-				       page_zip, FALSE, NULL),
+				       page_zip, FALSE),
 			       (ulong) page_zip->m_end,
 			       (ulong) page_zip_get_size(page_zip)));
 		return(FALSE);
@@ -2762,12 +2762,12 @@ zlib_done:
 		page_zip->m_nonempty = mod_log_ptr != d_stream->next_in;
 	}
 
-	if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, TRUE, NULL)
+	if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, TRUE)
 			  + page_zip->m_end >= page_zip_get_size(page_zip))) {
 
 		page_zip_fail(("page_zip_decompress_clust: %lu + %lu >= %lu\n",
 			       (ulong) page_zip_get_trailer_len(
-				       page_zip, TRUE, NULL),
+				       page_zip, TRUE),
 			       (ulong) page_zip->m_end,
 			       (ulong) page_zip_get_size(page_zip)));
 		return(FALSE);
@@ -4642,8 +4642,7 @@ page_zip_copy_recs(
 		memcpy(page_zip, src_zip, sizeof *page_zip);
 		page_zip->data = data;
 	}
-	ut_ad(page_zip_get_trailer_len(page_zip,
-				       dict_index_is_clust(index), NULL)
+	ut_ad(page_zip_get_trailer_len(page_zip, dict_index_is_clust(index))
 	      + page_zip->m_end < page_zip_get_size(page_zip));
 
 	if (!page_is_leaf(src)
diff --git a/storage/xtradb/read/read0read.c b/storage/xtradb/read/read0read.c
index c04dae51ff5..3380d1bb4ba 100644
--- a/storage/xtradb/read/read0read.c
+++ b/storage/xtradb/read/read0read.c
@@ -150,6 +150,7 @@ read_view_create_low(
 {
 	if (view == NULL) {
 		view = ut_malloc(sizeof(read_view_t));
+		srv_read_views_memory += sizeof(read_view_t);
 		view->max_descr = 0;
 		view->descriptors = NULL;
 	}
@@ -159,6 +160,8 @@ read_view_create_low(
 		/* avoid frequent re-allocations by extending the array to the
 		desired size + 10% */
 
+		srv_read_views_memory += (n + n / 10 - view->max_descr) *
+			sizeof(trx_id_t);
 		view->max_descr = n + n / 10;
 		view->descriptors = ut_realloc(view->descriptors,
 					       view->max_descr *
@@ -370,6 +373,9 @@ read_view_free(
 {
 	ut_ad(mutex_own(&kernel_mutex));
 
+	srv_read_views_memory -= sizeof(read_view_t) +
+		view->max_descr * sizeof(trx_id_t);
+
 	if (view->descriptors != NULL) {
 		ut_free(view->descriptors);
 	}
diff --git a/storage/xtradb/row/row0ins.c b/storage/xtradb/row/row0ins.c
index 0002f4410d6..ee2938e4865 100644
--- a/storage/xtradb/row/row0ins.c
+++ b/storage/xtradb/row/row0ins.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1710,6 +1710,7 @@ row_ins_scan_sec_index_for_duplicate(
 	do {
 		const rec_t*		rec	= btr_pcur_get_rec(&pcur);
 		const buf_block_t*	block	= btr_pcur_get_block(&pcur);
+		ulint			lock_type;
 
 		if (page_rec_is_infimum(rec)) {
 
@@ -1719,6 +1720,16 @@ row_ins_scan_sec_index_for_duplicate(
 		offsets = rec_get_offsets(rec, index, offsets,
 					  ULINT_UNDEFINED, &heap);
 
+		/* If the transaction isolation level is no stronger than
+		READ COMMITTED, then avoid gap locks. */
+		if (!page_rec_is_supremum(rec)
+		    && thr_get_trx(thr)->isolation_level
+					<= TRX_ISO_READ_COMMITTED) {
+			lock_type = LOCK_REC_NOT_GAP;
+		} else {
+			lock_type = LOCK_ORDINARY;
+		}
+
 		if (allow_duplicates) {
 
 			/* If the SQL-query will update or replace
@@ -1727,13 +1738,11 @@ row_ins_scan_sec_index_for_duplicate(
 			INSERT ON DUPLICATE KEY UPDATE). */
 
 			err = row_ins_set_exclusive_rec_lock(
-				LOCK_ORDINARY, block,
-				rec, index, offsets, thr);
+				lock_type, block, rec, index, offsets, thr);
 		} else {
 
 			err = row_ins_set_shared_rec_lock(
-				LOCK_ORDINARY, block,
-				rec, index, offsets, thr);
+				lock_type, block, rec, index, offsets, thr);
 		}
 
 		switch (err) {
diff --git a/storage/xtradb/row/row0mysql.c b/storage/xtradb/row/row0mysql.c
index 3a18cfc679e..3e8a17db91b 100644
--- a/storage/xtradb/row/row0mysql.c
+++ b/storage/xtradb/row/row0mysql.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2000, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2000, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -55,6 +55,7 @@ Created 9/17/2000 Heikki Tuuri
 #include "ha_prototypes.h"
 #include "m_string.h"
 #include "my_sys.h"
+#include "ha_prototypes.h"
 
 /** Provide optional 4.x backwards compatibility for 5.0 and above */
 UNIV_INTERN ibool	row_rollback_on_timeout	= FALSE;
@@ -966,17 +967,13 @@ row_update_statistics_if_needed(
 	if (!srv_stats_auto_update)
 		return;
 
-	/* Calculate new statistics if 1 / 16 of table has been modified
-	since the last time a statistics batch was run, or if
-	stat_modified_counter > 2 000 000 000 (to avoid wrap-around).
-	We calculate statistics at most every 16th round, since we may have
-	a counter table which is very small and updated very often. */
-
-	if (counter > 2000000000
-	    || ((ib_int64_t)counter > 16 + table->stat_n_rows / 16)) {
+	if (DICT_TABLE_CHANGED_TOO_MUCH(table)) {
 
-		dict_update_statistics(table, FALSE /* update even if stats
-						    are initialized */, TRUE);
+		dict_update_statistics(
+			table,
+			FALSE, /* update even if stats are initialized */
+			TRUE,
+			TRUE /* only update if stats changed too much */);
 	}
 }
 
@@ -3181,8 +3178,11 @@ next_rec:
 	dict_table_autoinc_lock(table);
 	dict_table_autoinc_initialize(table, 1);
 	dict_table_autoinc_unlock(table);
-	dict_update_statistics(table, FALSE /* update even if stats are
-					    initialized */, TRUE);
+	dict_update_statistics(
+		table,
+		FALSE, /* update even if stats are initialized */
+		TRUE,
+		FALSE /* update even if not changed too much */);
 
 	trx_commit_for_mysql(trx);
 
@@ -3973,6 +3973,7 @@ row_rename_table_for_mysql(
 
 	ut_a(old_name != NULL);
 	ut_a(new_name != NULL);
+	ut_ad(trx->state == TRX_ACTIVE);
 
 	if (srv_created_new_raw || srv_force_recovery) {
 		fputs("InnoDB: A new raw disk partition was initialized or\n"
@@ -3997,7 +3998,6 @@ row_rename_table_for_mysql(
 	}
 
 	trx->op_info = "renaming table";
-	trx_start_if_not_started(trx);
 
 	old_is_tmp = row_is_mysql_tmp_table_name(old_name);
 	new_is_tmp = row_is_mysql_tmp_table_name(new_name);
@@ -4092,12 +4092,29 @@ row_rename_table_for_mysql(
 		goto end;
 	} else if (!new_is_tmp) {
 		/* Rename all constraints. */
+		char	new_table_name[MAX_TABLE_NAME_LEN] = "";
+		uint	errors = 0;
 
 		info = pars_info_create();
 
 		pars_info_add_str_literal(info, "new_table_name", new_name);
 		pars_info_add_str_literal(info, "old_table_name", old_name);
 
+		strncpy(new_table_name, new_name, MAX_TABLE_NAME_LEN);
+		innobase_convert_to_system_charset(
+			strchr(new_table_name, '/') + 1,
+			strchr(new_name, '/') +1,
+			MAX_TABLE_NAME_LEN, &errors);
+
+		if (errors) {
+			/* Table name could not be converted from charset
+			my_charset_filename to UTF-8. This means that the
+			table name is already in UTF-8 (#mysql#50). */
+			strncpy(new_table_name, new_name, MAX_TABLE_NAME_LEN);
+		}
+
+		pars_info_add_str_literal(info, "new_table_utf8", new_table_name);
+
 		err = que_eval_sql(
 			info,
 			"PROCEDURE RENAME_CONSTRAINT_IDS () IS\n"
@@ -4109,6 +4126,7 @@ row_rename_table_for_mysql(
 			"old_t_name_len INT;\n"
 			"new_db_name_len INT;\n"
 			"id_len INT;\n"
+			"offset INT;\n"
 			"found INT;\n"
 			"BEGIN\n"
 			"found := 1;\n"
@@ -4117,8 +4135,6 @@ row_rename_table_for_mysql(
 			"new_db_name := SUBSTR(:new_table_name, 0,\n"
 			"                      new_db_name_len);\n"
 			"old_t_name_len := LENGTH(:old_table_name);\n"
-			"gen_constr_prefix := CONCAT(:old_table_name,\n"
-			"                            '_ibfk_');\n"
 			"WHILE found = 1 LOOP\n"
 			"       SELECT ID INTO foreign_id\n"
 			"        FROM SYS_FOREIGN\n"
@@ -4135,12 +4151,13 @@ row_rename_table_for_mysql(
 			"        id_len := LENGTH(foreign_id);\n"
 			"        IF (INSTR(foreign_id, '/') > 0) THEN\n"
 			"               IF (INSTR(foreign_id,\n"
-			"                         gen_constr_prefix) > 0)\n"
+			"                         '_ibfk_') > 0)\n"
 			"               THEN\n"
+                        "                offset := INSTR(foreign_id, '_ibfk_') - 1;\n"
 			"                new_foreign_id :=\n"
-			"                CONCAT(:new_table_name,\n"
-			"                SUBSTR(foreign_id, old_t_name_len,\n"
-			"                       id_len - old_t_name_len));\n"
+			"                CONCAT(:new_table_utf8,\n"
+			"                SUBSTR(foreign_id, offset,\n"
+			"                       id_len - offset));\n"
 			"               ELSE\n"
 			"                new_foreign_id :=\n"
 			"                CONCAT(new_db_name,\n"
diff --git a/storage/xtradb/row/row0sel.c b/storage/xtradb/row/row0sel.c
index dec192585ce..0907b7f823f 100644
--- a/storage/xtradb/row/row0sel.c
+++ b/storage/xtradb/row/row0sel.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1997, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1997, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
 
 Portions of this file contain modifications contributed and copyrighted by
@@ -57,6 +57,8 @@ Created 12/19/1997 Heikki Tuuri
 #include "read0read.h"
 #include "buf0lru.h"
 #include "ha_prototypes.h"
+#include "m_string.h" /* for my_sys.h */
+#include "my_sys.h" /* DEBUG_SYNC_C */
 
 #include "my_compare.h" /* enum icp_result */
 
@@ -4127,7 +4129,9 @@ wait_table_again:
 	}
 
 rec_loop:
+	DEBUG_SYNC_C("row_search_rec_loop");
 	if (trx_is_interrupted(trx)) {
+		btr_pcur_store_position(pcur, &mtr);
 		err = DB_INTERRUPTED;
 		goto normal_return;
 	}
@@ -5095,8 +5099,8 @@ row_search_check_if_query_cache_permitted(
 
 			trx->read_view =
 				read_view_open_now(trx->id,
-						   NULL, TRUE);
-
+						   trx->prebuilt_view, TRUE);
+			trx->prebuilt_view = trx->read_view;
 			trx->global_read_view = trx->read_view;
 		}
 	}
diff --git a/storage/xtradb/srv/srv0srv.c b/storage/xtradb/srv/srv0srv.c
index 3119c870d2c..ee8cc5a855b 100644
--- a/storage/xtradb/srv/srv0srv.c
+++ b/storage/xtradb/srv/srv0srv.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, 2009 Google Inc.
 Copyright (c) 2009, Percona Inc.
 
@@ -317,7 +317,7 @@ UNIV_INTERN ulong srv_rollback_segments = TRX_SYS_N_RSEGS;
 /* Internal setting for "innodb_stats_method". Decides how InnoDB treats
 NULL value when collecting statistics. By default, it is set to
 SRV_STATS_NULLS_EQUAL(0), ie. all NULL value are treated equal */
-ulong srv_innodb_stats_method = SRV_STATS_NULLS_EQUAL;
+UNIV_INTERN ulong srv_innodb_stats_method = SRV_STATS_NULLS_EQUAL;
 
 /** Time in seconds between automatic buffer pool dumps */
 UNIV_INTERN uint srv_auto_lru_dump = 0;
@@ -409,10 +409,11 @@ UNIV_INTERN ulong	srv_sys_stats_root_page = 0;
 #endif
 
 UNIV_INTERN ibool	srv_use_doublewrite_buf	= TRUE;
-UNIV_INTERN ibool	srv_use_atomic_writes = FALSE;
+UNIV_INTERN ibool       srv_use_atomic_writes = FALSE;
 #ifdef HAVE_POSIX_FALLOCATE
-UNIV_INTERN ibool	srv_use_posix_fallocate = TRUE;
+UNIV_INTERN ibool       srv_use_posix_fallocate = FALSE;
 #endif
+
 UNIV_INTERN ibool	srv_use_checksums = TRUE;
 UNIV_INTERN ibool	srv_fast_checksum = FALSE;
 
@@ -467,6 +468,9 @@ UNIV_INTERN ulint		srv_n_rows_updated CACHE_ALIGNED	= 0;
 UNIV_INTERN ulint		srv_n_rows_deleted CACHE_ALIGNED	= 0;
 UNIV_INTERN ulint		srv_n_rows_read CACHE_ALIGNED		= 0;
 
+UNIV_INTERN ulint		srv_read_views_memory CACHE_ALIGNED	= 0;
+UNIV_INTERN ulint		srv_descriptors_memory CACHE_ALIGNED	= 0;
+
 UNIV_INTERN ulint		srv_n_lock_deadlock_count CACHE_ALIGNED	= 0;
 UNIV_INTERN ulint		srv_n_lock_wait_count CACHE_ALIGNED	= 0;
 UNIV_INTERN ulint		srv_n_lock_wait_current_count CACHE_ALIGNED = 0;
@@ -1925,7 +1929,8 @@ srv_suspend_mysql_thread(
 			finish_time = (ib_int64_t) sec * 1000000 + ms;
 		}
 
-		diff_time = (ulint) (finish_time - start_time);
+		diff_time = (finish_time > start_time) ?
+			    (ulint) (finish_time - start_time) : 0;
 
 		srv_n_lock_wait_current_count--;
 		srv_n_lock_wait_time = srv_n_lock_wait_time + diff_time;
@@ -2136,6 +2141,9 @@ srv_printf_innodb_monitor(
 			"; in additional pool allocated " ULINTPF "\n",
 			ut_total_allocated_memory,
 			mem_pool_get_reserved(mem_comm_pool));
+	fprintf(file,
+		"Total memory allocated by read views " ULINTPF "\n",
+		srv_read_views_memory);
 	/* Calcurate reserved memories */
 	if (btr_search_sys && btr_search_sys->hash_index[0]->heap) {
 		btr_search_sys_subtotal = mem_heap_get_size(btr_search_sys->hash_index[0]->heap);
@@ -2222,6 +2230,12 @@ srv_printf_innodb_monitor(
 	fprintf(file, "%lu read views open inside InnoDB\n",
 		UT_LIST_GET_LEN(trx_sys->view_list));
 
+	fprintf(file, "%lu transactions active inside InnoDB\n",
+		UT_LIST_GET_LEN(trx_sys->trx_list));
+
+	fprintf(file, "%lu out of %lu descriptors used\n",
+		trx_sys->descr_n_used, trx_sys->descr_n_max);
+
 	if (UT_LIST_GET_LEN(trx_sys->view_list)) {
 		read_view_t*	view = UT_LIST_GET_LAST(trx_sys->view_list);
 
@@ -2531,21 +2545,35 @@ srv_export_innodb_status(void)
 	export_vars.innodb_rows_updated = srv_n_rows_updated;
 	export_vars.innodb_rows_deleted = srv_n_rows_deleted;
 	export_vars.innodb_truncated_status_writes = srv_truncated_status_writes;
+	export_vars.innodb_read_views_memory = srv_read_views_memory;
+	export_vars.innodb_descriptors_memory = srv_descriptors_memory;
 
 #ifdef UNIV_DEBUG
-	if (trx_sys->max_trx_id < purge_sys->done_trx_no) {
-		export_vars.innodb_purge_trx_id_age = 0;
-	} else {
-		export_vars.innodb_purge_trx_id_age =
-		  trx_sys->max_trx_id - purge_sys->done_trx_no;
-	}
+	{
+		trx_id_t	done_trx_no;
+		trx_id_t	up_limit_id;
+
+		rw_lock_s_lock(&purge_sys->latch);
+		done_trx_no	= purge_sys->done_trx_no;
+		up_limit_id	= purge_sys->view
+			? purge_sys->view->up_limit_id
+			: 0;
+		rw_lock_s_unlock(&purge_sys->latch);
+
+		if (trx_sys->max_trx_id < done_trx_no) {
+			export_vars.innodb_purge_trx_id_age = 0;
+		} else {
+			export_vars.innodb_purge_trx_id_age =
+				trx_sys->max_trx_id - done_trx_no;
+		}
 
-	if (!purge_sys->view
-	    || trx_sys->max_trx_id < purge_sys->view->up_limit_id) {
-		export_vars.innodb_purge_view_trx_id_age = 0;
-	} else {
-		export_vars.innodb_purge_view_trx_id_age =
-		  trx_sys->max_trx_id - purge_sys->view->up_limit_id;
+		if (!up_limit_id
+		    || trx_sys->max_trx_id < up_limit_id) {
+			export_vars.innodb_purge_view_trx_id_age = 0;
+		} else {
+			export_vars.innodb_purge_view_trx_id_age =
+				trx_sys->max_trx_id - up_limit_id;
+		}
 	}
 #endif /* UNIV_DEBUG */
 
diff --git a/storage/xtradb/srv/srv0start.c b/storage/xtradb/srv/srv0start.c
index 9e0477253cd..93416088f17 100644
--- a/storage/xtradb/srv/srv0start.c
+++ b/storage/xtradb/srv/srv0start.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
 Copyright (c) 2008, Google Inc.
 Copyright (c) 2009, Percona Inc.
 
@@ -496,12 +496,6 @@ io_handler_thread(
 }
 #endif /* !UNIV_HOTBACKUP */
 
-#ifdef __WIN__
-#define SRV_PATH_SEPARATOR	'\\'
-#else
-#define SRV_PATH_SEPARATOR	'/'
-#endif
-
 /*********************************************************************//**
 Normalizes a directory path for Windows: converts slashes to backslashes. */
 UNIV_INTERN
@@ -823,6 +817,7 @@ open_or_create_data_files(
 		}
 
 		if (ret == FALSE) {
+			const char* check_msg;
 			/* We open the data file */
 
 			if (one_created) {
@@ -920,13 +915,20 @@ open_or_create_data_files(
 				return(DB_ERROR);
 			}
 skip_size_check:
-			fil_read_first_page(
+			check_msg = fil_read_first_page(
 				files[i], one_opened, &flags,
 #ifdef UNIV_LOG_ARCHIVE
 				min_arch_log_no, max_arch_log_no,
 #endif /* UNIV_LOG_ARCHIVE */
 				min_flushed_lsn, max_flushed_lsn);
 
+			if (check_msg) {
+				fprintf(stderr,
+					"InnoDB: Error: %s in data file %s\n",
+					check_msg, name);
+				return(DB_ERROR);
+			}
+
 			if (!one_opened
 			    && UNIV_PAGE_SIZE
 			       != fsp_flags_get_page_size(flags)) {
@@ -1047,6 +1049,9 @@ skip_size_check:
 		}
 
 		if (ret == FALSE) {
+
+			const char* check_msg;
+
 			/* We open the data file */
 
 			files[i] = os_file_create(innodb_file_data_key,
@@ -1083,12 +1088,20 @@ skip_size_check:
 					(ulong) TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * 9);
 			}
 
-			fil_read_first_page(
+			check_msg = fil_read_first_page(
 				files[i], one_opened, &flags,
 #ifdef UNIV_LOG_ARCHIVE
 				min_arch_log_no, max_arch_log_no,
 #endif /* UNIV_LOG_ARCHIVE */
 				min_flushed_lsn, max_flushed_lsn);
+
+			if (check_msg) {
+				fprintf(stderr,
+					"InnoDB: Error: %s in doublewrite "
+					"buffer file %s\n", check_msg, name);
+				return(DB_ERROR);
+			}
+
 			one_opened = TRUE;
 		} else {
 			/* We created the data file and now write it full of
diff --git a/storage/xtradb/sync/sync0arr.c b/storage/xtradb/sync/sync0arr.c
index 5f293ad6a55..b5748f1b7d1 100644
--- a/storage/xtradb/sync/sync0arr.c
+++ b/storage/xtradb/sync/sync0arr.c
@@ -602,10 +602,6 @@ sync_array_deadlock_step(
 	new = sync_array_find_thread(arr, thread);
 
 	if (UNIV_UNLIKELY(new == start)) {
-		/* Stop running of other threads */
-
-		ut_dbg_stop_threads = TRUE;
-
 		/* Deadlock */
 		fputs("########################################\n"
 		      "DEADLOCK of threads detected!\n", stderr);
@@ -943,6 +939,8 @@ sync_array_print_long_waits(
 # define SYNC_ARRAY_TIMEOUT	240
 #endif
 
+	sync_array_enter(sync_primary_wait_array);
+
 	for (i = 0; i < sync_primary_wait_array->n_cells; i++) {
 
 		double	diff;
@@ -977,6 +975,8 @@ sync_array_print_long_waits(
 		}
 	}
 
+	sync_array_exit(sync_primary_wait_array);
+
 	if (noticed) {
 		fprintf(stderr,
 			"InnoDB: ###### Starts InnoDB Monitor"
diff --git a/storage/xtradb/trx/trx0sys.c b/storage/xtradb/trx/trx0sys.c
index 2c44cee60fe..a56e55c0e19 100644
--- a/storage/xtradb/trx/trx0sys.c
+++ b/storage/xtradb/trx/trx0sys.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -140,7 +140,7 @@ UNIV_INTERN mysql_pfs_key_t	file_format_max_mutex_key;
 #ifndef UNIV_HOTBACKUP
 #ifdef UNIV_DEBUG
 /* Flag to control TRX_RSEG_N_SLOTS behavior debugging. */
-uint		trx_rseg_n_slots_debug = 0;
+UNIV_INTERN uint	trx_rseg_n_slots_debug = 0;
 #endif
 
 /** This is used to track the maximum file format id known to InnoDB. It's
@@ -726,7 +726,8 @@ trx_sys_doublewrite_init_or_restore_pages(
 			/* Check if the page is corrupt */
 
 			if (UNIV_UNLIKELY
-			    (buf_page_is_corrupted(read_buf, zip_size))) {
+			    (buf_page_is_corrupted(
+				    TRUE, read_buf, zip_size))) {
 
 				fprintf(stderr,
 					"InnoDB: Warning: database page"
@@ -737,7 +738,8 @@ trx_sys_doublewrite_init_or_restore_pages(
 					" the doublewrite buffer.\n",
 					(ulong) space_id, (ulong) page_no);
 
-				if (buf_page_is_corrupted(page, zip_size)) {
+				if (buf_page_is_corrupted(
+					    TRUE, page, zip_size)) {
 					fprintf(stderr,
 						"InnoDB: Dump of the page:\n");
 					buf_page_print(
@@ -1324,6 +1326,8 @@ trx_sys_init_at_db_start(void)
 					 TRX_DESCR_ARRAY_INITIAL_SIZE);
 	trx_sys->descr_n_max = TRX_DESCR_ARRAY_INITIAL_SIZE;
 	trx_sys->descr_n_used = 0;
+	srv_descriptors_memory = TRX_DESCR_ARRAY_INITIAL_SIZE *
+		sizeof(trx_id_t);
 
 	sys_header = trx_sysf_get(&mtr);
 
diff --git a/storage/xtradb/trx/trx0trx.c b/storage/xtradb/trx/trx0trx.c
index e70bc5ff0d1..8b7748b6c2f 100644
--- a/storage/xtradb/trx/trx0trx.c
+++ b/storage/xtradb/trx/trx0trx.c
@@ -135,6 +135,7 @@ trx_reserve_descriptor(
 				   n_max * sizeof(trx_id_t));
 
 		trx_sys->descr_n_max = n_max;
+		srv_descriptors_memory = n_max * sizeof(trx_id_t);
 	}
 
 	descr = trx_sys->descriptors + n_used - 1;
@@ -219,7 +220,7 @@ trx_create(
 	ut_ad(mutex_own(&kernel_mutex));
 	ut_ad(sess);
 
-	trx = mem_alloc(sizeof(trx_t));
+	trx = ut_malloc(sizeof(trx_t));
 
 	trx->magic_n = TRX_MAGIC_N;
 
@@ -487,7 +488,7 @@ trx_free(
 
 	trx_release_descriptor(trx);
 
-	mem_free(trx);
+	ut_free(trx);
 }
 
 /********************************************************************//**
@@ -545,7 +546,7 @@ trx_free_prepared(
 
 	ut_ad(trx_sys->descr_n_used <= UT_LIST_GET_LEN(trx_sys->trx_list));
 
-	mem_free(trx);
+	ut_free(trx);
 }
 
 /********************************************************************//**
@@ -1091,6 +1092,18 @@ trx_write_serialisation_history(
 			trx->mysql_master_log_pos,
 			TRX_SYS_COMMIT_MASTER_LOG_INFO, &mtr);
 
+		trx_sys_update_mysql_binlog_offset(
+			sys_header,
+			trx->mysql_relay_log_file_name,
+			trx->mysql_relay_log_pos,
+			TRX_SYS_MYSQL_RELAY_LOG_INFO, &mtr);
+
+		trx_sys_update_mysql_binlog_offset(
+			sys_header,
+			trx->mysql_master_log_file_name,
+			trx->mysql_master_log_pos,
+			TRX_SYS_MYSQL_MASTER_LOG_INFO, &mtr);
+
 		trx->mysql_master_log_file_name = "";
 	}
 
diff --git a/storage/xtradb/ut/ut0dbg.c b/storage/xtradb/ut/ut0dbg.c
index 53ed4a53044..a440b72d32a 100644
--- a/storage/xtradb/ut/ut0dbg.c
+++ b/storage/xtradb/ut/ut0dbg.c
@@ -35,16 +35,6 @@ Created 1/30/1994 Heikki Tuuri
 UNIV_INTERN ulint	ut_dbg_zero	= 0;
 #endif
 
-#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
-/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads
-will stop at the next ut_a() or ut_ad(). */
-UNIV_INTERN ibool	ut_dbg_stop_threads	= FALSE;
-#endif
-#ifndef UT_DBG_USE_ABORT
-/** A null pointer that will be dereferenced to trigger a memory trap */
-UNIV_INTERN ulint*	ut_dbg_null_ptr		= NULL;
-#endif
-
 /*************************************************************//**
 Report a failed assertion. */
 UNIV_INTERN
@@ -80,30 +70,8 @@ ut_dbg_assertion_failed(
 	      "InnoDB: corruption in the InnoDB tablespace. Please refer to\n"
 	      "InnoDB: " REFMAN "forcing-innodb-recovery.html\n"
 	      "InnoDB: about forcing recovery.\n", stderr);
-#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
-	ut_dbg_stop_threads = TRUE;
-#endif
 }
 
-#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
-/*************************************************************//**
-Stop a thread after assertion failure. */
-UNIV_INTERN
-void
-ut_dbg_stop_thread(
-/*===============*/
-	const char*	file,
-	ulint		line)
-{
-#ifndef UNIV_HOTBACKUP
-	fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n",
-		os_thread_pf(os_thread_get_curr_id()),
-		innobase_basename(file), line);
-	os_thread_sleep(1000000000);
-#endif /* !UNIV_HOTBACKUP */
-}
-#endif
-
 #ifdef UNIV_COMPILE_TEST_FUNCS
 
 #include <sys/types.h>
diff --git a/storage/xtradb/ut/ut0ut.c b/storage/xtradb/ut/ut0ut.c
index 31c8351a518..08ced5f56ef 100644
--- a/storage/xtradb/ut/ut0ut.c
+++ b/storage/xtradb/ut/ut0ut.c
@@ -730,6 +730,8 @@ ut_strerr(
                 return("Operation was interrupted by end user");
 	case DB_TABLE_IN_FK_CHECK:
 		return("Table is being used in foreign key check");
+	case DB_IDENTIFIER_TOO_LONG:
+		return("Identifier name is too long");
 	/* do not add default: in order to produce a warning if new code
 	is added to the enum but not added here */
 	}