merge

configure.in

@@ -12,7 +12,7 @@ dnl
 dnl When changing the major version number please also check the switch
 dnl statement in mysqlbinlog::check_master_version().  You may also need
 dnl to update version.c in ndb.
-AC_INIT([MySQL Server], [5.1.50], [], [mysql])
+AC_INIT([MySQL Server], [5.1.51], [], [mysql])
 
 AC_CONFIG_SRCDIR([sql/mysqld.cc])
 AC_CANONICAL_SYSTEM

mysql-test/r/func_gconcat.result

@@ -995,6 +995,7 @@ SELECT 1 FROM
 1
 1
 DROP TABLE t1;
+End of 5.0 tests
 #
 # Bug #52397: another crash with explain extended and group_concat
 #
@@ -1010,4 +1011,22 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1003	select 1 AS `1` from (select group_concat(`test`.`t1`.`a` order by `test`.`t1`.`a` ASC separator ',') AS `GROUP_CONCAT(t1.a ORDER BY t1.a ASC)` from `test`.`t1` `t2` join `test`.`t1` group by `test`.`t1`.`a`) `d`
 DROP TABLE t1;
-End of 5.0 tests
+#
+# Bug #54476: crash when group_concat and 'with rollup' in prepared statements
+# 
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1), (2);
+PREPARE stmt FROM "SELECT GROUP_CONCAT(t1.a ORDER BY t1.a) FROM t1 JOIN t1 t2 GROUP BY t1.a WITH ROLLUP";
+EXECUTE stmt;
+GROUP_CONCAT(t1.a ORDER BY t1.a)
+1,1
+2,2
+1,1,2,2
+EXECUTE stmt;
+GROUP_CONCAT(t1.a ORDER BY t1.a)
+1,1
+2,2
+1,1,2,2
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;
+End of 5.1 tests

mysql-test/r/func_misc.result

@@ -336,4 +336,19 @@ End of 5.0 tests
 select connection_id() > 0;
 connection_id() > 0
 1
+#
+# Bug #54461: crash with longblob and union or update with subquery
+#
+CREATE TABLE t1 (a INT, b LONGBLOB);
+INSERT INTO t1 VALUES (1, '2'), (2, '3'), (3, '2');
+SELECT DISTINCT LEAST(a, (SELECT b FROM t1 LIMIT 1)) FROM t1 UNION SELECT 1;
+LEAST(a, (SELECT b FROM t1 LIMIT 1))
+1
+2
+SELECT DISTINCT GREATEST(a, (SELECT b FROM t1 LIMIT 1)) FROM t1 UNION SELECT 1;
+GREATEST(a, (SELECT b FROM t1 LIMIT 1))
+2
+3
+1
+DROP TABLE t1;
 End of tests

mysql-test/suite/innodb/r/innodb_mysql.result

@@ -2500,6 +2500,14 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	range	f2,f4	f4	1	NULL	11	Using where
 DROP TABLE t1;
 #
+# Bug#54117 crash in thr_multi_unlock, temporary table
+#
+CREATE TEMPORARY TABLE t1(a INT) ENGINE = InnoDB;
+LOCK TABLES t1 READ;
+ALTER TABLE t1 COMMENT 'test';
+UNLOCK TABLES;
+DROP TABLE t1;
+#
 # Bug#55580: segfault in read_view_sees_trx_id
 #
 CREATE TABLE t1 (a INT) ENGINE=Innodb;

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

@@ -733,6 +733,20 @@ ORDER BY f1 DESC LIMIT 5;
 
 DROP TABLE t1;
 
+
+--echo #
+--echo # Bug#54117 crash in thr_multi_unlock, temporary table
+--echo #
+
+CREATE TEMPORARY TABLE t1(a INT) ENGINE = InnoDB;
+
+LOCK TABLES t1 READ;
+ALTER TABLE t1 COMMENT 'test';
+UNLOCK TABLES;
+
+DROP TABLE t1;
+
+
 --echo #
 --echo # Bug#55580: segfault in read_view_sees_trx_id
 --echo #

mysql-test/suite/rpl/r/rpl_drop.result

@@ -8,3 +8,27 @@ drop table if exists t1, t2;
 create table t1 (a int);
 drop table t1, t2;
 ERROR 42S02: Unknown table 't2'
+include/stop_slave.inc
+SET @old_binlog_format= @@global.binlog_format;
+SET GLOBAL binlog_format = ROW;
+include/start_slave.inc
+SET @old_binlog_format= @@global.binlog_format;
+SET binlog_format = ROW;
+CREATE TABLE t2(a INT) ENGINE=MYISAM;
+CREATE TABLE t3(a INT) ENGINE=INNODB;
+CREATE FUNCTION f1() RETURNS INT
+BEGIN
+insert into t2 values(1);
+insert into t3 values(1);
+return 1;
+END|
+CREATE TABLE t1(UNIQUE(a)) ENGINE=MYISAM SELECT 1 AS a UNION ALL SELECT f1();
+ERROR 23000: Duplicate entry '1' for key 'a'
+CREATE TABLE t1(UNIQUE(a)) ENGINE=INNODB SELECT 1 AS a UNION ALL SELECT f1();
+ERROR 23000: Duplicate entry '1' for key 'a'
+show binlog events in 'master-bin.000001' from <binlog_start>;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+DROP FUNCTION f1;
+DROP TABLE t2, t3;
+SET @@global.binlog_format= @old_binlog_format;
+SET @@global.binlog_format= @old_binlog_format;

mysql-test/suite/rpl/t/rpl_drop.test

 # Testcase for BUG#4552 (DROP on two tables, one of which does not
 # exist, must be binlogged with a non-zero error code)
 source include/master-slave.inc;
+source include/have_innodb.inc;
 --disable_warnings
 drop table if exists t1, t2;
 --enable_warnings
@@ -10,7 +11,57 @@ drop table t1, t2;
 save_master_pos;
 connection slave;
 sync_with_master;
-
 # End of 4.1 tests
 
+# BUG#55625 RBR breaks on failing 'CREATE TABLE'
+# A CREATE...SELECT that fails is written to the binary log if a non-transactional
+# statement is updated. If the logging format is ROW, the CREATE statement and the
+# changes are written to the binary log as distinct events and by consequence the
+# created table is not rolled back in the slave.
+# To fix the problem, we do not write a CREATE...SELECT that fails to the binary
+# log. Howerver, the changes to non-transactional tables are not replicated and
+# thus the slave goes out of sync. This should be fixed after BUG#47899.
+#
+# In the test case, we verify if the binary log contains no information for a
+# CREATE...SELECT that fails.
+connection slave;
+
+--source include/stop_slave.inc
+SET @old_binlog_format= @@global.binlog_format;
+SET GLOBAL binlog_format = ROW;
+--source include/start_slave.inc
+
+connection master;
+SET @old_binlog_format= @@global.binlog_format;
+SET binlog_format = ROW;
+
+CREATE TABLE t2(a INT) ENGINE=MYISAM;
+CREATE TABLE t3(a INT) ENGINE=INNODB;
+
+delimiter |;
+CREATE FUNCTION f1() RETURNS INT
+BEGIN
+  insert into t2 values(1);
+  insert into t3 values(1);
+  return 1;
+END|
+delimiter ;|
+
+let $binlog_start= query_get_value("SHOW MASTER STATUS", Position, 1);
+let $binlog_file= query_get_value("SHOW MASTER STATUS", File, 1);
+
+--error 1062
+CREATE TABLE t1(UNIQUE(a)) ENGINE=MYISAM SELECT 1 AS a UNION ALL SELECT f1();
+--error 1062
+CREATE TABLE t1(UNIQUE(a)) ENGINE=INNODB SELECT 1 AS a UNION ALL SELECT f1();
+
+--source include/show_binlog_events.inc
+
+DROP FUNCTION f1;
+DROP TABLE t2, t3;
+SET @@global.binlog_format= @old_binlog_format;
+
+--sync_slave_with_master
+SET @@global.binlog_format= @old_binlog_format;
 
+# End of 5.1 tests

mysql-test/t/func_gconcat.test

@@ -708,6 +708,7 @@ SELECT 1 FROM
 
 DROP TABLE t1;
 
+--echo End of 5.0 tests
 
 --echo #
 --echo # Bug #52397: another crash with explain extended and group_concat
@@ -719,5 +720,18 @@ EXPLAIN EXTENDED SELECT 1 FROM
     t1 t2, t1 GROUP BY t1.a) AS d;
 DROP TABLE t1;
 
+--echo #
+--echo # Bug #54476: crash when group_concat and 'with rollup' in prepared statements
+--echo # 
 
---echo End of 5.0 tests
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1), (2);
+
+PREPARE stmt FROM "SELECT GROUP_CONCAT(t1.a ORDER BY t1.a) FROM t1 JOIN t1 t2 GROUP BY t1.a WITH ROLLUP";
+EXECUTE stmt;
+EXECUTE stmt;
+
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;
+
+--echo End of 5.1 tests

mysql-test/t/func_misc.test

@@ -467,4 +467,16 @@ select NAME_CONST('_id',1234) as id;
 
 select connection_id() > 0;
 
+--echo #
+--echo # Bug #54461: crash with longblob and union or update with subquery
+--echo #
+
+CREATE TABLE t1 (a INT, b LONGBLOB);
+INSERT INTO t1 VALUES (1, '2'), (2, '3'), (3, '2');
+
+SELECT DISTINCT LEAST(a, (SELECT b FROM t1 LIMIT 1)) FROM t1 UNION SELECT 1;
+SELECT DISTINCT GREATEST(a, (SELECT b FROM t1 LIMIT 1)) FROM t1 UNION SELECT 1;
+
+DROP TABLE t1;
+
 --echo End of tests

sql/item_func.cc

@@ -2243,6 +2243,8 @@ void Item_func_min_max::fix_length_and_dec()
     max_length= my_decimal_precision_to_length_no_truncation(max_int_part +
                                                              decimals, decimals,
                                                              unsigned_flag);
+  else if (cmp_type == REAL_RESULT)
+    max_length= float_length(decimals);
   cached_field_type= agg_field_type(args, arg_count);
 }
 

sql/item_sum.cc

@@ -3035,7 +3035,6 @@ Item_func_group_concat::Item_func_group_concat(THD *thd,
   tree(item->tree),
   unique_filter(item->unique_filter),
   table(item->table),
-  order(item->order),
   context(item->context),
   arg_count_order(item->arg_count_order),
   arg_count_field(item->arg_count_field),
@@ -3048,6 +3047,24 @@ Item_func_group_concat::Item_func_group_concat(THD *thd,
 {
   quick_group= item->quick_group;
   result.set_charset(collation.collation);
+
+  /*
+    Since the ORDER structures pointed to by the elements of the 'order' array
+    may be modified in find_order_in_list() called from
+    Item_func_group_concat::setup(), create a copy of those structures so that
+    such modifications done in this object would not have any effect on the
+    object being copied.
+  */
+  ORDER *tmp;
+  if (!(order= (ORDER **) thd->alloc(sizeof(ORDER *) * arg_count_order +
+                                     sizeof(ORDER) * arg_count_order)))
+    return;
+  tmp= (ORDER *)(order + arg_count_order);
+  for (uint i= 0; i < arg_count_order; i++, tmp++)
+  {
+    memcpy(tmp, item->order[i], sizeof(ORDER));
+    order[i]= tmp;
+  }
 }
 
 

sql/log.cc

@@ -1628,6 +1628,19 @@ static int binlog_rollback(handlerton *hton, THD *thd, bool all)
   DBUG_RETURN(error);
 }
 
+/**
+  Cleanup the cache.
+
+  @param thd   The client thread that wants to clean up the cache.
+*/
+void MYSQL_BIN_LOG::reset_gathered_updates(THD *thd)
+{
+  binlog_trx_data *const trx_data=
+    (binlog_trx_data*) thd_get_ha_data(thd, binlog_hton);
+
+  trx_data->reset();
+}
+
 void MYSQL_BIN_LOG::set_write_error(THD *thd)
 {
   DBUG_ENTER("MYSQL_BIN_LOG::set_write_error");

sql/log.h

@@ -356,10 +356,11 @@ class MYSQL_BIN_LOG: public TC_LOG, private MYSQL_LOG
   /* Use this to start writing a new log file */
   void new_file();
 
+  void reset_gathered_updates(THD *thd);
   bool write(Log_event* event_info); // binary log write
   bool write(THD *thd, IO_CACHE *cache, Log_event *commit_event, bool incident);
-  bool write_incident(THD *thd, bool lock);
 
+  bool write_incident(THD *thd, bool lock);
   int  write_cache(IO_CACHE *cache, bool lock_log, bool flush_and_sync);
   void set_write_error(THD *thd);
   bool check_write_error(THD *thd);

sql/sql_insert.cc

@@ -3972,6 +3972,17 @@ void select_create::abort()
 
   if (table)
   {
+    if (thd->lex->sql_command == SQLCOM_CREATE_TABLE &&
+        thd->current_stmt_binlog_row_based &&
+        !(thd->lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) &&
+        mysql_bin_log.is_open())
+    {
+      /*
+        This should be removed after BUG#47899.
+      */
+      mysql_bin_log.reset_gathered_updates(thd);
+    }
+
     table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
     table->file->extra(HA_EXTRA_WRITE_CANNOT_REPLACE);
     if (!create_info->table_existed)

sql/sql_table.cc

@@ -7393,6 +7393,11 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
       mysql_unlock_tables(thd, thd->lock);
       thd->lock=0;
     }
+    /*
+      If LOCK TABLES list is not empty and contains this table,
+      unlock the table and remove the table from this list.
+    */
+    mysql_lock_remove(thd, thd->locked_tables, table, FALSE);
     /* Remove link to old table and rename the new one */
     close_temporary_table(thd, table, 1, 1);
     /* Should pass the 'new_name' as we store table name in the cache */

sql/table.h

@@ -55,7 +55,6 @@ typedef struct st_order {
   struct st_order *next;
   Item	 **item;			/* Point at item in select fields */
   Item	 *item_ptr;			/* Storage for initial item */
-  Item   **item_copy;			/* For SPs; the original item ptr */
   int    counter;                       /* position in SELECT list, correct
                                            only if counter_used is true*/
   bool	 asc;				/* true if ascending */