ut0mem.c Merge changes in InnoDB-3.23.43b

ut0ut.c 	Merge changes in InnoDB-3.23.43b
trx0purge.c	Merge changes in InnoDB-3.23.43b
trx0rec.c	Merge changes in InnoDB-3.23.43b
trx0trx.c	Merge changes in InnoDB-3.23.43b
trx0undo.c	Merge changes in InnoDB-3.23.43b
thr0loc.c	Merge changes in InnoDB-3.23.43b
sync0arr.c	Merge changes in InnoDB-3.23.43b
sync0rw.c	Merge changes in InnoDB-3.23.43b
sync0sync.c	Merge changes in InnoDB-3.23.43b
srv0srv.c	Merge changes in InnoDB-3.23.43b
srv0start.c	Merge changes in InnoDB-3.23.43b
row0ins.c	Merge changes in InnoDB-3.23.43b
row0mysql.c	Merge changes in InnoDB-3.23.43b
row0purge.c	Merge changes in InnoDB-3.23.43b
row0sel.c	Merge changes in InnoDB-3.23.43b
row0umod.c	Merge changes in InnoDB-3.23.43b
row0upd.c	Merge changes in InnoDB-3.23.43b
row0vers.c	Merge changes in InnoDB-3.23.43b
rem0cmp.c	Merge changes in InnoDB-3.23.43b
que0que.c	Merge changes in InnoDB-3.23.43b
pars0opt.c	Merge changes in InnoDB-3.23.43b
pars0pars.c	Merge changes in InnoDB-3.23.43b
lexyy.c 	Merge changes in InnoDB-3.23.43b
pars0grm.c	Merge changes in InnoDB-3.23.43b
page0page.c	Merge changes in InnoDB-3.23.43b
os0file.c	Merge changes in InnoDB-3.23.43b
mtr0log.c	Merge changes in InnoDB-3.23.43b
mem0pool.c	Merge changes in InnoDB-3.23.43b
log0log.c	Merge changes in InnoDB-3.23.43b
log0recv.c	Merge changes in InnoDB-3.23.43b
lock0lock.c	Merge changes in InnoDB-3.23.43b
ibuf0ibuf.c	Merge changes in InnoDB-3.23.43b
fil0fil.c	Merge changes in InnoDB-3.23.43b
dict0crea.c	Merge changes in InnoDB-3.23.43b
dict0dict.c	Merge changes in InnoDB-3.23.43b
dict0load.c	Merge changes in InnoDB-3.23.43b
dict0mem.c	Merge changes in InnoDB-3.23.43b
data0data.c	Merge changes in InnoDB-3.23.43b
data0type.c	Merge changes in InnoDB-3.23.43b
buf0buf.c	Merge changes in InnoDB-3.23.43b
buf0lru.c	Merge changes in InnoDB-3.23.43b
btr0btr.c	Merge changes in InnoDB-3.23.43b
btr0cur.c	Merge changes in InnoDB-3.23.43b
btr0pcur.c	Merge changes in InnoDB-3.23.43b
btr0sea.c	Merge changes in InnoDB-3.23.43b
data0type.ic	Merge changes in InnoDB-3.23.43b
dict0dict.ic	Merge changes in InnoDB-3.23.43b
mtr0mtr.ic	Merge changes in InnoDB-3.23.43b
row0upd.ic	Merge changes in InnoDB-3.23.43b
sync0ipm.ic	Merge changes in InnoDB-3.23.43b
sync0rw.ic	Merge changes in InnoDB-3.23.43b
sync0sync.ic	Merge changes in InnoDB-3.23.43b
trx0rseg.ic	Merge changes in InnoDB-3.23.43b
btr0pcur.ic	Merge changes in InnoDB-3.23.43b
buf0buf.ic	Merge changes in InnoDB-3.23.43b
data0data.ic	Merge changes in InnoDB-3.23.43b
row0upd.h	Merge changes in InnoDB-3.23.43b
srv0srv.h	Merge changes in InnoDB-3.23.43b
sync0arr.h	Merge changes in InnoDB-3.23.43b
sync0rw.h	Merge changes in InnoDB-3.23.43b
sync0sync.h	Merge changes in InnoDB-3.23.43b
trx0trx.h	Merge changes in InnoDB-3.23.43b
ut0mem.h	Merge changes in InnoDB-3.23.43b
data0data.h	Merge changes in InnoDB-3.23.43b
data0type.h	Merge changes in InnoDB-3.23.43b
db0err.h	Merge changes in InnoDB-3.23.43b
dict0crea.h	Merge changes in InnoDB-3.23.43b
dict0dict.h	Merge changes in InnoDB-3.23.43b
dict0load.h	Merge changes in InnoDB-3.23.43b
dict0mem.h	Merge changes in InnoDB-3.23.43b
dict0types.h	Merge changes in InnoDB-3.23.43b
fil0fil.h	Merge changes in InnoDB-3.23.43b
ibuf0ibuf.h	Merge changes in InnoDB-3.23.43b
lock0lock.h	Merge changes in InnoDB-3.23.43b
log0log.h	Merge changes in InnoDB-3.23.43b
mtr0mtr.h	Merge changes in InnoDB-3.23.43b
rem0cmp.h	Merge changes in InnoDB-3.23.43b
row0ins.h	Merge changes in InnoDB-3.23.43b
row0mysql.h	Merge changes in InnoDB-3.23.43b
btr0cur.h	Merge changes in InnoDB-3.23.43b
btr0pcur.h	Merge changes in InnoDB-3.23.43b
btr0sea.h	Merge changes in InnoDB-3.23.43b
buf0buf.h	Merge changes in InnoDB-3.23.43b
sql_table.cc	Merge changes in InnoDB-3.23.43b
sql_db.cc	Merge changes in InnoDB-3.23.43b
ha_innobase.cc	Merge changes in InnoDB-3.23.43b
handler.cc	Merge changes in InnoDB-3.23.43b
ha_innobase.h	Merge changes in InnoDB-3.23.43b
handler.h	Merge changes in InnoDB-3.23.43b


sql/ha_innobase.h:
  Merge changes in InnoDB-3.23.43b
sql/handler.h:
  Merge changes in InnoDB-3.23.43b
sql/ha_innobase.cc:
  Merge changes in InnoDB-3.23.43b
sql/handler.cc:
  Merge changes in InnoDB-3.23.43b
sql/sql_db.cc:
  Merge changes in InnoDB-3.23.43b
sql/sql_table.cc:
  Merge changes in InnoDB-3.23.43b
innobase/include/btr0cur.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/btr0pcur.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/btr0sea.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/buf0buf.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/data0data.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/data0type.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/db0err.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/dict0crea.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/dict0dict.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/dict0load.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/dict0mem.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/dict0types.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/fil0fil.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/ibuf0ibuf.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/lock0lock.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/log0log.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/mtr0mtr.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/rem0cmp.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/row0ins.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/row0mysql.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/row0upd.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/srv0srv.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/sync0arr.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/sync0rw.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/sync0sync.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/trx0trx.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/ut0mem.h:
  Merge changes in InnoDB-3.23.43b
innobase/include/btr0pcur.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/buf0buf.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/data0data.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/data0type.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/dict0dict.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/mtr0mtr.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/row0upd.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/sync0ipm.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/sync0rw.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/sync0sync.ic:
  Merge changes in InnoDB-3.23.43b
innobase/include/trx0rseg.ic:
  Merge changes in InnoDB-3.23.43b
innobase/btr/btr0btr.c:
  Merge changes in InnoDB-3.23.43b
innobase/btr/btr0cur.c:
  Merge changes in InnoDB-3.23.43b
innobase/btr/btr0pcur.c:
  Merge changes in InnoDB-3.23.43b
innobase/btr/btr0sea.c:
  Merge changes in InnoDB-3.23.43b
innobase/buf/buf0buf.c:
  Merge changes in InnoDB-3.23.43b
innobase/buf/buf0lru.c:
  Merge changes in InnoDB-3.23.43b
innobase/data/data0data.c:
  Merge changes in InnoDB-3.23.43b
innobase/data/data0type.c:
  Merge changes in InnoDB-3.23.43b
innobase/dict/dict0crea.c:
  Merge changes in InnoDB-3.23.43b
innobase/dict/dict0dict.c:
  Merge changes in InnoDB-3.23.43b
innobase/dict/dict0load.c:
  Merge changes in InnoDB-3.23.43b
innobase/dict/dict0mem.c:
  Merge changes in InnoDB-3.23.43b
innobase/fil/fil0fil.c:
  Merge changes in InnoDB-3.23.43b
innobase/ibuf/ibuf0ibuf.c:
  Merge changes in InnoDB-3.23.43b
innobase/lock/lock0lock.c:
  Merge changes in InnoDB-3.23.43b
innobase/log/log0log.c:
  Merge changes in InnoDB-3.23.43b
innobase/log/log0recv.c:
  Merge changes in InnoDB-3.23.43b
innobase/mem/mem0pool.c:
  Merge changes in InnoDB-3.23.43b
innobase/mtr/mtr0log.c:
  Merge changes in InnoDB-3.23.43b
innobase/os/os0file.c:
  Merge changes in InnoDB-3.23.43b
innobase/page/page0page.c:
  Merge changes in InnoDB-3.23.43b
innobase/pars/lexyy.c:
  Merge changes in InnoDB-3.23.43b
innobase/pars/pars0grm.c:
  Merge changes in InnoDB-3.23.43b
innobase/pars/pars0opt.c:
  Merge changes in InnoDB-3.23.43b
innobase/pars/pars0pars.c:
  Merge changes in InnoDB-3.23.43b
innobase/que/que0que.c:
  Merge changes in InnoDB-3.23.43b
innobase/rem/rem0cmp.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0ins.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0mysql.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0purge.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0sel.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0umod.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0upd.c:
  Merge changes in InnoDB-3.23.43b
innobase/row/row0vers.c:
  Merge changes in InnoDB-3.23.43b
innobase/srv/srv0srv.c:
  Merge changes in InnoDB-3.23.43b
innobase/srv/srv0start.c:
  Merge changes in InnoDB-3.23.43b
innobase/sync/sync0arr.c:
  Merge changes in InnoDB-3.23.43b
innobase/sync/sync0rw.c:
  Merge changes in InnoDB-3.23.43b
innobase/sync/sync0sync.c:
  Merge changes in InnoDB-3.23.43b
innobase/thr/thr0loc.c:
  Merge changes in InnoDB-3.23.43b
innobase/trx/trx0purge.c:
  Merge changes in InnoDB-3.23.43b
innobase/trx/trx0rec.c:
  Merge changes in InnoDB-3.23.43b
innobase/trx/trx0trx.c:
  Merge changes in InnoDB-3.23.43b
innobase/trx/trx0undo.c:
  Merge changes in InnoDB-3.23.43b
innobase/ut/ut0mem.c:
  Merge changes in InnoDB-3.23.43b
innobase/ut/ut0ut.c:
  Merge changes in InnoDB-3.23.43b
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

1 files changed, 179 insertions, 44 deletions

diff --git a/sql/ha_innobase.cc b/sql/ha_innobase.cc
index 104aaf8886c..2a25224e641 100644
--- a/sql/ha_innobase.cc
+++ b/sql/ha_innobase.cc
@@ -155,7 +155,23 @@ convert_error_code_to_mysql(
 
  	} else if (error == (int) DB_DEADLOCK) {
 
-    		return(1000000);
+    		return(HA_ERR_LOCK_DEADLOCK);
+
+ 	} else if (error == (int) DB_LOCK_WAIT_TIMEOUT) {
+
+    		return(1000001);
+
+ 	} else if (error == (int) DB_NO_REFERENCED_ROW) {
+
+    		return(1000010);
+
+ 	} else if (error == (int) DB_ROW_IS_REFERENCED) {
+
+    		return(1000011);
+
+ 	} else if (error == (int) DB_CANNOT_ADD_CONSTRAINT) {
+
+    		return(1000012);
 
  	} else if (error == (int) DB_OUT_OF_FILE_SPACE) {
 
@@ -172,7 +188,6 @@ convert_error_code_to_mysql(
   	} else if (error == (int) DB_TOO_BIG_RECORD) {
 
     		return(HA_ERR_TO_BIG_ROW);
-
     	} else {
     		dbug_assert(0);
 
@@ -214,7 +229,7 @@ innobase_mysql_print_thd(
   	}
 
   	if (thd->query) {
-    		printf(" %0.100s", thd->query);
+    		printf("\n%0.100s", thd->query);
   	}  
 
   	printf("\n");
@@ -521,7 +536,7 @@ innobase_init(void)
 	static char 	current_dir[3];
 	int		err;
 	bool		ret;
-
+	
   	DBUG_ENTER("innobase_init");
 
 	if (specialflag & SPECIAL_NO_PRIOR) {
@@ -548,8 +563,9 @@ innobase_init(void)
        "to the [mysqld] section of init parameters in your my.cnf\n"
        "or my.ini. If you want to use InnoDB tables, add for example,\n"
        "innodb_data_file_path = /mysql/data/ibdata1:20M\n"
-       "More information on setting the parameters you find in the\n"
-       "manual.\n");
+       "But to get good performance you should adjust for your hardware\n"
+       "the InnoDB stratup options listed in section 7.6 at\n"
+       "http://www.mysql.com/doc/\n");
 
 	  innodb_skip=1;
 	  DBUG_RETURN(FALSE);			// Continue without innobase
@@ -597,6 +613,16 @@ innobase_init(void)
 
 	srv_lock_wait_timeout = (ulint) innobase_lock_wait_timeout;
 
+	if (strcmp(default_charset_info->name, "latin1") == 0) {
+		/* Store the character ordering table to InnoDB.
+		For non-latin1 charsets we use the MySQL comparison
+		functions, and consequently we do not need to know
+		the ordering internally in InnoDB. */
+		
+		memcpy(srv_latin1_ordering,
+				default_charset_info->sort_order, 256);
+	}
+
 	err = innobase_start_or_create_for_mysql();
 
 	if (err != DB_SUCCESS) {
@@ -645,7 +671,7 @@ innobase_flush_logs(void)
 
   	DBUG_ENTER("innobase_flush_logs");
 
-	log_make_checkpoint_at(ut_dulint_max, TRUE);
+	log_flush_up_to(ut_dulint_max, LOG_WAIT_ONE_GROUP);
 
   	DBUG_RETURN(result);
 }
@@ -878,10 +904,10 @@ ha_innobase::open(
  	if (NULL == (ib_table = dict_table_get(norm_name, NULL))) {
 
 	  fprintf(stderr,
-"Cannot find table %s from the internal data dictionary\n"
-"of InnoDB though the .frm file for the table exists. Maybe you have deleted\n"
-"and created again an InnoDB database but forgotten to delete the\n"
-"corresponding .frm files of old InnoDB tables?\n",
+"InnoDB: Cannot find table %s from the internal data dictionary\n"
+"InnoDB: of InnoDB though the .frm file for the table exists. Maybe you\n"
+"InnoDB: have deleted and recreated InnoDB data files but have forgotten\n"
+"InnoDB: to delete the corresponding .frm files of InnoDB tables?\n",
 		  norm_name);
 
 	        free_share(share);
@@ -1401,8 +1427,36 @@ ha_innobase::write_row(
 			current value and the value supplied by the user, if
 			the auto_inc counter is already initialized
 			for the table */
+
+			/* We have to use the transactional lock mechanism
+			on the auto-inc counter of the table to ensure
+			that replication and roll-forward of the binlog
+			exactly imitates also the given auto-inc values.
+			The lock is released at each SQL statement's
+			end. */
+
+			error = row_lock_table_autoinc_for_mysql(prebuilt);
+
+			if (error != DB_SUCCESS) {
+			
+				error = convert_error_code_to_mysql(error);
+				goto func_exit;
+			}	
+			
 			dict_table_autoinc_update(prebuilt->table, auto_inc);
 		} else {
+			if (!prebuilt->trx->auto_inc_lock) {
+
+				error = row_lock_table_autoinc_for_mysql(
+								prebuilt);
+				if (error != DB_SUCCESS) {
+			
+					error = convert_error_code_to_mysql(
+								error);
+					goto func_exit;
+				}
+			}	
+
 			auto_inc = dict_table_autoinc_get(prebuilt->table);
 
 			/* If auto_inc is now != 0 the autoinc counter
@@ -1460,7 +1514,7 @@ ha_innobase::write_row(
 
 	/* Tell InnoDB server that there might be work for
 	utility threads: */
-
+func_exit:
 	innobase_active_small();
 
   	DBUG_RETURN(error);
@@ -1737,7 +1791,7 @@ ha_innobase::index_init(
 }
 
 /**********************************************************************
-?????????????????????????????????? */
+Currently does nothing. */
 
 int
 ha_innobase::index_end(void)
@@ -2299,6 +2353,15 @@ ha_innobase::external_lock(
 		    		trx_search_latch_release_if_reserved(trx);
 		  	}
 
+		  	if (trx->auto_inc_lock) {
+		  	
+		  		/* If we had reserved the auto-inc lock for
+				some table in this SQL statement, we release
+				it now */
+		  	
+				row_unlock_table_autoinc_for_mysql(trx);
+			}
+
 		  	if (!(thd->options
 				 & (OPTION_NOT_AUTO_COMMIT | OPTION_BEGIN))) {
 		    		innobase_commit(thd, trx);
@@ -2461,7 +2524,9 @@ ha_innobase::create(
 	const char*	name,		/* in: table name */
 	TABLE*		form,		/* in: information on table
 					columns and indexes */
-	HA_CREATE_INFO*	create_info)	/* in: ??????? */
+	HA_CREATE_INFO*	create_info)	/* in: more information of the
+					created table, contains also the
+					create statement string */
 {
 	int		error;
 	dict_table_t*	innobase_table;
@@ -2552,6 +2617,19 @@ ha_innobase::create(
       		}
   	}
 
+	error = row_table_add_foreign_constraints(trx,
+				create_info->create_statement, norm_name);
+
+	error = convert_error_code_to_mysql(error);
+
+	if (error) {
+		trx_commit_for_mysql(trx);
+
+  		trx_free_for_mysql(trx);
+
+		DBUG_RETURN(error);
+	}
+
   	trx_commit_for_mysql(trx);
 
 	innobase_table = dict_table_get(norm_name, NULL);
@@ -2572,8 +2650,8 @@ ha_innobase::create(
 Drops a table from an InnoDB database. Before calling this function,
 MySQL calls innobase_commit to commit the transaction of the current user.
 Then the current user cannot have locks set on the table. Drop table
-operation inside InnoDB will wait sleeping in a loop until no other
-user has locks on the table. */
+operation inside InnoDB will remove all locks any user has on the table
+inside InnoDB. */
 
 int
 ha_innobase::delete_table(
@@ -2615,6 +2693,53 @@ ha_innobase::delete_table(
 	DBUG_RETURN(error);
 }
 
+/*********************************************************************
+Removes all tables in the named database inside InnoDB. */
+
+int
+innobase_drop_database(
+/*===================*/
+			/* out: error number */
+	char*	path)	/* in: database path; inside InnoDB the name
+			of the last directory in the path is used as
+			the database name: for example, in 'mysql/data/test'
+			the database name is 'test' */
+{
+	ulint	len		= 0;
+	trx_t*	trx;
+	char*	ptr;
+	int	error;
+	char	namebuf[10000];
+	
+	ptr = strend(path) - 2;
+	
+	while (ptr >= path && *ptr != '\\' && *ptr != '/') {
+		ptr--;
+		len++;
+	}
+
+	ptr++;
+
+	memcpy(namebuf, ptr, len);
+	namebuf[len] = '/';
+	namebuf[len + 1] = '\0';
+	
+	trx = trx_allocate_for_mysql();
+
+  	error = row_drop_database_for_mysql(namebuf, trx);
+
+	/* Tell the InnoDB server that there might be work for
+	utility threads: */
+
+	srv_active_wake_master_thread();
+
+  	trx_free_for_mysql(trx);
+
+	error = convert_error_code_to_mysql(error);
+
+	return(error);
+}
+
 /*************************************************************************
 Renames an InnoDB table. */
 
@@ -2751,12 +2876,13 @@ improve the algorithm of filesort.cc. */
 ha_rows
 ha_innobase::estimate_number_of_rows(void)
 /*======================================*/
-			/* out: upper bound of rows, currently 32-bit int
-			or uint */
+			/* out: upper bound of rows */
 {
 	row_prebuilt_t* prebuilt	= (row_prebuilt_t*) innobase_prebuilt;
-	dict_table_t*	ib_table;
-
+	dict_index_t*	index;
+	ulonglong	estimate;
+	ulonglong	data_file_length;
+	
 	if (prebuilt->trx) {
 		prebuilt->trx->op_info =
 				"estimating upper bound of table size";
@@ -2764,21 +2890,21 @@ ha_innobase::estimate_number_of_rows(void)
 
  	DBUG_ENTER("info");
 
- 	ib_table = prebuilt->table;
- 	
- 	dict_update_statistics(ib_table);
-
-	data_file_length = ((ulonglong)
-				ib_table->stat_clustered_index_size)
-    					* UNIV_PAGE_SIZE;
+ 	dict_update_statistics(prebuilt->table);
 
-	/* The minimum clustered index record size is 20 bytes */
+	index = dict_table_get_first_index_noninline(prebuilt->table);
+ 	
+	data_file_length = ((ulonglong) index->stat_n_leaf_pages)
+    							* UNIV_PAGE_SIZE;
+	/* Calculate a minimum length for a clustered index record */
 
+	estimate = data_file_length / dict_index_calc_min_rec_len(index);
+	
 	if (prebuilt->trx) {
 		prebuilt->trx->op_info = "";
 	}
-   	
-	return((ha_rows) (1000 + data_file_length / 20));
+
+	return((ha_rows) estimate);
 }
 
 /*************************************************************************
@@ -2793,10 +2919,10 @@ ha_innobase::scan_time()
 {
 	row_prebuilt_t* prebuilt	= (row_prebuilt_t*) innobase_prebuilt;
 
-	/* In the following formula we assume that scanning 5 pages
+	/* In the following formula we assume that scanning 10 pages
 	takes the same time as a disk seek: */
 
-	return((double) (1 + prebuilt->table->stat_clustered_index_size / 5));
+	return((double) (prebuilt->table->stat_clustered_index_size / 10));
 }
 
 /*************************************************************************
@@ -2811,8 +2937,9 @@ ha_innobase::info(
 	row_prebuilt_t* prebuilt	= (row_prebuilt_t*) innobase_prebuilt;
 	dict_table_t*	ib_table;
 	dict_index_t*	index;
-	uint		rec_per_key;
-	uint		i;
+	ulong		rec_per_key;
+	ulong		j;
+	ulong		i;
 
  	DBUG_ENTER("info");
 
@@ -2830,7 +2957,7 @@ ha_innobase::info(
  	}
 
 	if (flag & HA_STATUS_VARIABLE) {
-    		records = ib_table->stat_n_rows;
+    		records = (ha_rows)ib_table->stat_n_rows;
     		deleted = 0;
     		data_file_length = ((ulonglong)
 				ib_table->stat_clustered_index_size)
@@ -2856,16 +2983,24 @@ ha_innobase::info(
 		}
 
 		for (i = 0; i < table->keys; i++) {
-			if (index->stat_n_diff_key_vals == 0) {
-				rec_per_key = records;
-			} else {
-				rec_per_key = records /
-					index->stat_n_diff_key_vals;
+			for (j = 0; j < table->key_info[i].key_parts; j++) {
+
+				if (index->stat_n_diff_key_vals[j + 1] == 0) {
+
+					rec_per_key = records;
+				} else {
+					rec_per_key = (ulong)(records /
+   				         index->stat_n_diff_key_vals[j + 1]);
+				}
+
+				if (rec_per_key == 0) {
+					rec_per_key = 1;
+				}
+			
+				table->key_info[i].rec_per_key[j]
+								= rec_per_key;
 			}
-
-			table->key_info[i].rec_per_key[
-				table->key_info[i].key_parts - 1]
-					= rec_per_key;
+			
 			index = dict_table_get_next_index_noninline(index);
 		}
 	}