7 files changed, 32 insertions, 32 deletions
diff --git a/storage/xtradb/include/dict0dict.h b/storage/xtradb/include/dict0dict.h
index ce70e936e6e..5643892bffc 100644
--- a/storage/xtradb/include/dict0dict.h
+++ b/storage/xtradb/include/dict0dict.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2014, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2015, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
 
 This program is free software; you can redistribute it and/or modify it under
@@ -433,18 +433,6 @@ dict_foreign_add_to_cache(
 				/*!< in: error to be ignored */
 	__attribute__((nonnull(1), warn_unused_result));
 /*********************************************************************//**
-Check if the index is referenced by a foreign key, if TRUE return the
-matching instance NULL otherwise.
-@return pointer to foreign key struct if index is defined for foreign
-key, otherwise NULL */
-UNIV_INTERN
-dict_foreign_t*
-dict_table_get_referenced_constraint(
-/*=================================*/
-	dict_table_t*	table,	/*!< in: InnoDB table */
-	dict_index_t*	index)	/*!< in: InnoDB index */
-	__attribute__((nonnull, warn_unused_result));
-/*********************************************************************//**
 Checks if a table is referenced by foreign keys.
 @return	TRUE if table is referenced by a foreign key */
 UNIV_INTERN
@@ -479,19 +467,6 @@ dict_str_starts_with_keyword(
 	const char*	keyword)	/*!< in: keyword to look for */
 	__attribute__((nonnull, warn_unused_result));
 /*********************************************************************//**
-Checks if a index is defined for a foreign key constraint. Index is a part
-of a foreign key constraint if the index is referenced by foreign key
-or index is a foreign key index
-@return pointer to foreign key struct if index is defined for foreign
-key, otherwise NULL */
-UNIV_INTERN
-dict_foreign_t*
-dict_table_get_foreign_constraint(
-/*==============================*/
-	dict_table_t*	table,	/*!< in: InnoDB table */
-	dict_index_t*	index)	/*!< in: InnoDB index */
-	__attribute__((nonnull, warn_unused_result));
-/*********************************************************************//**
 Scans a table create SQL string and adds to the data dictionary
 the foreign key constraints declared in the string. This function
 should be called after the indexes for a table have been created.
diff --git a/storage/xtradb/include/dict0dict.ic b/storage/xtradb/include/dict0dict.ic
index 6bfd7f6cdae..753f10aba86 100644
--- a/storage/xtradb/include/dict0dict.ic
+++ b/storage/xtradb/include/dict0dict.ic
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2015, 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
diff --git a/storage/xtradb/include/fts0fts.h b/storage/xtradb/include/fts0fts.h
index a2996ecacc8..d54ed281d9a 100644
--- a/storage/xtradb/include/fts0fts.h
+++ b/storage/xtradb/include/fts0fts.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2011, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2011, 2015, 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
diff --git a/storage/xtradb/include/row0purge.h b/storage/xtradb/include/row0purge.h
index 93dcf9cf49b..888289a6c79 100644
--- a/storage/xtradb/include/row0purge.h
+++ b/storage/xtradb/include/row0purge.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1997, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1997, 2015, 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
@@ -119,6 +119,16 @@ struct purge_node_t{
 				clustered index record */
 	ibool		done;	/* Debug flag */
 
+#ifdef UNIV_DEBUG
+	/***********************************************************//**
+	Validate the persisent cursor. The purge node has two references
+	to the clustered index record - one via the ref member, and the
+	other via the persistent cursor.  These two references must match
+	each other if the found_clust flag is set.
+	@return true if the persistent cursor is consistent with
+	the ref member.*/
+	bool	validate_pcur();
+#endif
 };
 
 #ifndef UNIV_NONINL
diff --git a/storage/xtradb/include/srv0mon.h b/storage/xtradb/include/srv0mon.h
index 2d90f47eefe..d2b65721e1a 100644
--- a/storage/xtradb/include/srv0mon.h
+++ b/storage/xtradb/include/srv0mon.h
@@ -2,6 +2,7 @@
 
 Copyright (c) 2010, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
+Copyright (c) 2014, 2015, MariaDB Corporation.
 
 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
@@ -255,6 +256,9 @@ enum monitor_id_t {
 	MONITOR_OVLD_OS_LOG_FSYNC,
 	MONITOR_OVLD_OS_LOG_PENDING_FSYNC,
 	MONITOR_OVLD_OS_LOG_PENDING_WRITES,
+	MONITOR_MERGE_BLOCKS_WRITTEN,
+	MONITOR_MERGE_BLOCKS_READ,
+	MONITOR_MERGE_BLOCKS_MERGED,
 
 	/* Transaction related counters */
 	MONITOR_MODULE_TRX,
diff --git a/storage/xtradb/include/srv0srv.h b/storage/xtradb/include/srv0srv.h
index 5e4582cac69..31cda7d3238 100644
--- a/storage/xtradb/include/srv0srv.h
+++ b/storage/xtradb/include/srv0srv.h
@@ -3,7 +3,7 @@
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
 Copyright (c) 2008, 2009, Google Inc.
 Copyright (c) 2009, Percona Inc.
-Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
+Copyright (c) 2013, 2015, MariaDB Corporation.
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -145,6 +145,13 @@ struct srv_stats_t {
 	/** Number of lock waits that have been up to max time (i.e.) lock
 	wait timeout */
 	ulint_ctr_1_t		n_lock_max_wait_time;
+
+	/** Number of merge buffers written */
+	ulint_ctr_64_t		merge_buffers_written;
+	/** Number of merge buffers read */
+	ulint_ctr_64_t		merge_buffers_read;
+	/** Number of merge buffers merged */
+	ulint_ctr_64_t		merge_buffers_merged;
 };
 
 extern const char*	srv_main_thread_op_info;
@@ -1092,6 +1099,9 @@ struct export_var_t{
 	ulint innodb_purge_view_trx_id_age;	/*!< rw_max_trx_id
 						- purged view's min trx_id */
 #endif /* UNIV_DEBUG */
+	ib_int64_t innodb_merge_buffers_written;
+	ib_int64_t innodb_merge_buffers_read;
+	ib_int64_t innodb_merge_buffers_merged;
 };
 
 /** Thread slot in the thread table.  */
diff --git a/storage/xtradb/include/univ.i b/storage/xtradb/include/univ.i
index 1db6bd85edd..1c52bd0925b 100644
--- a/storage/xtradb/include/univ.i
+++ b/storage/xtradb/include/univ.i
@@ -44,10 +44,10 @@ Created 1/20/1994 Heikki Tuuri
 
 #define INNODB_VERSION_MAJOR	5
 #define INNODB_VERSION_MINOR	6
-#define INNODB_VERSION_BUGFIX	25
+#define INNODB_VERSION_BUGFIX	26
 
 #ifndef PERCONA_INNODB_VERSION
-#define PERCONA_INNODB_VERSION 73.1
+#define PERCONA_INNODB_VERSION 74.0
 #endif
 
 /* Enable UNIV_LOG_ARCHIVE in XtraDB */
@@ -611,6 +611,7 @@ Windows, so define a typedef for it and a macro to use at the end of such
 functions. */
 
 #ifdef __WIN__
+#define usleep(a) Sleep((a)/1000)
 typedef ulint os_thread_ret_t;
 #define OS_THREAD_DUMMY_RETURN return(0)
 #else