merge with mysql-5.1.63

mysql-test/suite/innodb/t/innodb_bug11766634.opt

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+--force-restart

mysql-test/suite/innodb/t/innodb_bug11766634.test

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+# Bug 11766634 59783: InnoDB data grows unexpectedly when inserting,
+# truncating, inserting the same set of rows.
+#
+# Scenario:
+# create table t1.  Insert $recs records.  check size of ibdata1.
+# drop table t1.  create table t1.  Insert the same set of $recs
+# records.  The size of ibdata1 must not increase.
+#
+
+-- source include/not_embedded.inc
+-- source include/have_innodb.inc
+
+create table t1 (f1 char(255)) engine innodb;
+let $MYSQLD_DATADIR=`select @@datadir`;
+let IBDATA1=$MYSQLD_DATADIR/ibdata1;
+
+let $recs = 36262;
+
+--disable_query_log
+let $c = $recs;
+start transaction;
+while ($c)
+{
+  insert into t1 values ('Hello World');
+  dec $c;
+}
+commit work;
+--enable_query_log
+
+perl;
+my $filesize = -s $ENV{'IBDATA1'};
+print "ibdata1 size: $filesize bytes\n";
+EOF
+
+drop table t1;
+create table t1 (f1 char(255)) engine innodb;
+
+--disable_query_log
+let $c = $recs;
+start transaction;
+while ($c)
+{
+  insert into t1 values ('Hello World');
+  dec $c;
+}
+commit work;
+--enable_query_log
+
+perl;
+my $filesize = -s $ENV{'IBDATA1'};
+print "ibdata1 size: $filesize bytes\n";
+EOF
+
+drop table t1;
+

mysql-test/suite/innodb/t/innodb_bug13635833.test

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+--source include/have_innodb.inc
+--source include/have_debug_sync.inc
+--source include/not_embedded.inc
+
+SET DEBUG_SYNC='reset';
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+create table t1 (f1 integer, key k1 (f1)) engine=innodb;
+create table t2 (f1 int, f2 int, key(f1), key(f2)) engine=innodb;
+create table t3 (f2 int, key(f2)) engine=innodb;
+
+insert into t1 values (10);
+insert into t2 values (10, 20);
+insert into t3 values (20);
+
+alter table t2 add constraint c1 foreign key (f1)
+    references t1(f1) on update cascade;
+
+show create table t1;
+show create table t2;
+show create table t3;
+
+SET DEBUG_SYNC='alter_table_before_rename_result_table
+   SIGNAL update_can_proceed WAIT_FOR dict_unfreeze';
+
+--send
+alter table t2 add constraint z1 foreign key (f2)
+    references t3(f2) on update cascade;
+
+connect (thr2,localhost,root,,);
+connection thr2;
+
+SET DEBUG_SYNC='innodb_row_update_for_mysql_begin
+                            WAIT_FOR update_can_proceed';
+SET DEBUG_SYNC='innodb_dml_cascade_dict_unfreeze SIGNAL dict_unfreeze
+                            WAIT_FOR  foreign_free_cache';
+
+--send
+update ignore t1 set f1 = 20;
+
+connection default;
+--replace_regex /'[^']*test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/
+--error ER_ERROR_ON_RENAME
+reap;
+
+SET DEBUG_SYNC='now SIGNAL foreign_free_cache';
+
+connection thr2;
+reap;
+disconnect thr2;
+--source include/wait_until_disconnected.inc
+
+connection default;
+
+drop table t2;
+drop table t1;
+drop table t3;
+
+# Wait till we reached the initial number of concurrent sessions
+--source include/wait_until_count_sessions.inc
+
+SET DEBUG_SYNC='reset';