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mysql-test/r/limit.result

@@ -111,3 +111,6 @@ set @a=-14632475938453979136;
 execute s using @a, @a;
 ERROR HY000: Incorrect arguments to EXECUTE
 End of 5.0 tests
+select 1 as a limit 4294967296,10;
+a
+End of 5.1 tests

mysql-test/r/lock_multi.result

@@ -99,3 +99,37 @@ kill query
 ERROR 70100: Query execution was interrupted
 unlock tables;
 drop table t1;
+CREATE TABLE t1 (
+a int(11) unsigned default NULL,
+b varchar(255) default NULL,
+UNIQUE KEY a (a),
+KEY b (b)
+);
+INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
+CREATE TABLE t2 SELECT * FROM t1;
+CREATE TABLE t3 SELECT * FROM t1;
+# test altering of columns that multiupdate doesn't use
+# normal mode
+# PS mode
+# test altering of columns that multiupdate uses
+# normal mode
+# PS mode
+DROP TABLE t1, t2, t3;
+CREATE TABLE t1( a INT, b INT );
+INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4);
+# 1. test regular tables
+# 1.1. test altering of columns that multiupdate doesn't use
+# 1.1.1. normal mode
+# 1.1.2. PS mode
+# 1.2. test altering of columns that multiupdate uses
+# 1.2.1. normal mode
+# 1.2.2. PS mode
+ALTER TABLE t1 ADD COLUMN a INT;
+# 2. test UNIONs
+# 2.1. test altering of columns that multiupdate doesn't use
+# 2.1.1. normal mode
+# 2.1.2. PS mode
+# 2.2. test altering of columns that multiupdate uses
+# 2.2.1. normal mode
+# 2.2.2. PS mode
+DROP TABLE t1;

mysql-test/r/metadata.result

@@ -181,4 +181,21 @@ c1	c2
 3	3
 DROP VIEW v1,v2;
 DROP TABLE t1,t2;
+CREATE TABLE t1 (i INT, d DATE);
+INSERT INTO t1 VALUES (1, '2008-01-01'), (2, '2008-01-02'), (3, '2008-01-03');
+SELECT COALESCE(d, d), IFNULL(d, d), IF(i, d, d),
+CASE i WHEN i THEN d ELSE d END, GREATEST(d, d), LEAST(d, d)
+FROM t1 ORDER BY RAND();
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+2008-01-01	2008-01-01	2008-01-01	2008-01-01	2008-01-01	2008-01-01
+2008-01-02	2008-01-02	2008-01-02	2008-01-02	2008-01-02	2008-01-02
+2008-01-03	2008-01-03	2008-01-03	2008-01-03	2008-01-03	2008-01-03
+COALESCE(d, d)	IFNULL(d, d)	IF(i, d, d)	CASE i WHEN i THEN d ELSE d END	GREATEST(d, d)	LEAST(d, d)
+def				CASE i WHEN i THEN d ELSE d END	CASE i WHEN i THEN d ELSE d END	10	10	10	Y	128	0	63
+def				COALESCE(d, d)	COALESCE(d, d)	10	10	10	Y	128	0	63
+def				GREATEST(d, d)	GREATEST(d, d)	10	10	10	Y	128	0	63
+def				IF(i, d, d)	IF(i, d, d)	10	10	10	Y	128	0	63
+def				IFNULL(d, d)	IFNULL(d, d)	10	10	10	Y	128	0	63
+def				LEAST(d, d)	LEAST(d, d)	10	10	10	Y	128	0	63
+DROP TABLE t1;
 End of 5.0 tests

mysql-test/r/order_by.result

@@ -1076,3 +1076,19 @@ set session max_sort_length= 2180;
 select * from t1 order by b;
 ERROR HY001: Out of sort memory; increase server sort buffer size
 drop table t1;
+#
+# Bug #39844: Query Crash Mysql Server 5.0.67
+#
+CREATE TABLE t1 (a INT PRIMARY KEY);
+CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
+CREATE TABLE t3 (c INT);
+INSERT INTO t1 (a) VALUES (1), (2);
+INSERT INTO t2 (a,b) VALUES (1,2), (2,3);
+INSERT INTO t3 (c) VALUES (1), (2);
+SELECT
+(SELECT t1.a FROM t1, t2 WHERE t1.a = t2.b AND t2.a = t3.c ORDER BY t1.a)
+FROM t3;
+(SELECT t1.a FROM t1, t2 WHERE t1.a = t2.b AND t2.a = t3.c ORDER BY t1.a)
+2
+NULL
+DROP TABLE t1, t2, t3;

mysql-test/r/sp.result

@@ -6672,6 +6672,19 @@ select substr(`str`, `pos`+ 1 ) into `str`;
 end $
 call `p2`('s s s s s s');
 drop procedure `p2`;
+drop table if exists t1;
+drop procedure if exists p1;
+create procedure p1() begin select * from t1; end$
+call p1$
+ERROR 42S02: Table 'test.t1' doesn't exist
+create table t1 (a integer)$
+call p1$
+a
+alter table t1 add b integer;
+call p1$
+a
+drop table t1;
+drop procedure p1;
 # ------------------------------------------------------------------
 # -- End of 5.0 tests
 # ------------------------------------------------------------------

mysql-test/r/subselect3.result

@@ -779,4 +779,20 @@ SELECT 1 FROM t1 WHERE t1.a NOT IN (SELECT 1 FROM t1, t2 WHERE 0);
 1
 1
 DROP TABLE t1, t2;
+CREATE TABLE t1 (
+pk INT PRIMARY KEY,
+int_key INT,
+varchar_key VARCHAR(5) UNIQUE,
+varchar_nokey VARCHAR(5)
+);
+INSERT INTO t1 VALUES (9, 7,NULL,NULL), (10,8,'p' ,'p');
+SELECT varchar_nokey
+FROM t1
+WHERE NULL NOT IN (
+SELECT INNR.pk FROM t1 AS INNR2
+LEFT JOIN t1 AS INNR ON ( INNR2.int_key = INNR.int_key )
+WHERE INNR.varchar_key > 'n{'
+);
+varchar_nokey
+DROP TABLE t1;
 End of 5.0 tests

mysql-test/r/windows.result

@@ -18,4 +18,5 @@ EXPLAIN SELECT * FROM t1 WHERE b =  (SELECT max(2));
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+DROP TABLE t1;
 End of 5.0 tests.

mysql-test/t/limit.test

@@ -95,3 +95,11 @@ set @a=-14632475938453979136;
 execute s using @a, @a;
 
 --echo End of 5.0 tests
+
+#
+# Bug#37075: offset of limit clause might be truncated to 0 on 32-bits server w/o big tables
+#
+
+select 1 as a limit 4294967296,10;
+
+--echo End of 5.1 tests

mysql-test/t/lock_multi.test

@@ -281,4 +281,325 @@ unlock tables;
 connection default;
 drop table t1;
 
+#
+# Bug #38691: segfault/abort in ``UPDATE ...JOIN'' while
+#             ``FLUSH TABLES WITH READ LOCK''
+#
+
+--connection default
+CREATE TABLE t1 (
+  a int(11) unsigned default NULL,
+  b varchar(255) default NULL,
+  UNIQUE KEY a (a),
+  KEY b (b)
+);
+
+INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
+CREATE TABLE t2 SELECT * FROM t1;
+CREATE TABLE t3 SELECT * FROM t1;
+
+--echo # test altering of columns that multiupdate doesn't use
+
+--echo # normal mode
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+--dec $i
+
+--connection writer
+  send UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a)
+         SET a = NULL WHERE t1.b <> t2.b;
+
+--connection locker
+  ALTER TABLE t2 ADD COLUMN (c INT);
+  ALTER TABLE t2 DROP COLUMN c;
+
+--connection writer
+--reap
+}
+
+--echo # PS mode
+
+--connection writer
+PREPARE stmt FROM 'UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a)
+                     SET a = NULL WHERE t1.b <> t2.b';
+
+let $i = 100;
+while ($i) {
+--dec $i
+
+--connection writer
+--send EXECUTE stmt
+
+--connection locker
+  ALTER TABLE t2 ADD COLUMN (c INT);
+  ALTER TABLE t2 DROP COLUMN c;
+
+--connection writer
+--reap
+}
+--enable_query_log
+
+
+--echo # test altering of columns that multiupdate uses
+
+--echo # normal mode
+
+--connection default
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+  dec $i;
+
+--connection locker
+--error 0,1060
+  ALTER TABLE t2 ADD COLUMN a int(11) unsigned default NULL;
+  UPDATE t2 SET a=b;
+
+--connection writer
+--send UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a) SET a = NULL WHERE t1.b <> t2.b
+
+--connection locker
+--error 0,1091
+  ALTER TABLE t2 DROP COLUMN a;
+
+--connection writer
+--error 0,1054
+--reap
+}
+--enable_query_log
+
+--echo # PS mode
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+  dec $i;
+
+--connection locker
+--error 0,1060
+  ALTER TABLE t2 ADD COLUMN a int(11) unsigned default NULL;
+  UPDATE t2 SET a=b;
+
+--connection writer
+  PREPARE stmt FROM 'UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a) SET a = NULL WHERE t1.b <> t2.b';
+--send EXECUTE stmt
+
+--connection locker
+--error 0,1091
+  ALTER TABLE t2 DROP COLUMN a;
+
+--connection writer
+--error 0,1054
+--reap
+
+}
+--enable_query_log
+--connection default
+DROP TABLE t1, t2, t3;
+
+#
+# Bug#38499: flush tables and multitable table update with derived table cause 
+#            crash
+#
+
+CREATE TABLE t1( a INT, b INT );
+INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4);
+
+--echo # 1. test regular tables
+--echo # 1.1. test altering of columns that multiupdate doesn't use
+--echo # 1.1.1. normal mode
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+--dec $i
+
+--connection writer
+  send UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0;
+
+--connection locker
+  ALTER TABLE t1 ADD COLUMN (c INT);
+  ALTER TABLE t1 DROP COLUMN c;
+
+--connection writer
+--reap
+}
+
+--echo # 1.1.2. PS mode
+
+--connection writer
+PREPARE stmt FROM 'UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0';
+
+let $i = 100;
+while ($i) {
+--dec $i
+
+--connection writer
+--send EXECUTE stmt
+
+--connection locker
+  ALTER TABLE t1 ADD COLUMN (c INT);
+  ALTER TABLE t1 DROP COLUMN c;
+
+--connection writer
+--reap
+}
+--enable_query_log
+
+--echo # 1.2. test altering of columns that multiupdate uses
+--echo # 1.2.1. normal mode
+
+--connection default
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+  dec $i;
+
+--connection locker
+--error 0,1060
+  ALTER TABLE t1 ADD COLUMN a int(11) unsigned default NULL;
+  UPDATE t1 SET a=b;
+
+--connection writer
+--send UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0;
+
+--connection locker
+--error 0,1091
+  ALTER TABLE t1 DROP COLUMN a;
+
+--connection writer
+--error 0,1054 # unknown column error
+--reap
+}
+--enable_query_log
+
+--echo # 1.2.2. PS mode
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+  dec $i;
+
+--connection locker
+--error 0,1060
+  ALTER TABLE t1 ADD COLUMN a INT;
+  UPDATE t1 SET a=b;
+
+--connection writer
+  PREPARE stmt FROM 'UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0';
+--send EXECUTE stmt
+
+--connection locker
+--error 0,1091
+  ALTER TABLE t1 DROP COLUMN a;
+
+--connection writer
+--error 0,1054 # Unknown column 'a' in 'field list'
+--reap
+}
+--enable_query_log
+--connection default
+ALTER TABLE t1 ADD COLUMN a INT;
+
+--echo # 2. test UNIONs
+--echo # 2.1. test altering of columns that multiupdate doesn't use
+--echo # 2.1.1. normal mode
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+--dec $i
+
+--connection writer
+  send UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0;
+
+--connection locker
+  ALTER TABLE t1 ADD COLUMN (c INT);
+  ALTER TABLE t1 DROP COLUMN c;
+
+--connection writer
+--reap
+}
+
+--echo # 2.1.2. PS mode
+
+--connection writer
+PREPARE stmt FROM 'UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0';
+
+let $i = 100;
+while ($i) {
+--dec $i
+
+--connection writer
+--send EXECUTE stmt
+
+--connection locker
+  ALTER TABLE t1 ADD COLUMN (c INT);
+  ALTER TABLE t1 DROP COLUMN c;
+
+--connection writer
+--reap
+}
+--enable_query_log
+
+--echo # 2.2. test altering of columns that multiupdate uses
+--echo # 2.2.1. normal mode
+
+--connection default
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+  dec $i;
+
+--connection locker
+--error 0,1060
+  ALTER TABLE t1 ADD COLUMN a int(11) unsigned default NULL;
+  UPDATE t1 SET a=b;
+
+--connection writer
+--send UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0;
+
+--connection locker
+--error 0,1091
+  ALTER TABLE t1 DROP COLUMN a;
+
+--connection writer
+--error 0,1054 # Unknown column 'a' in 'field list'
+--reap
+}
+--enable_query_log
+
+--echo # 2.2.2. PS mode
+
+--disable_query_log
+let $i = 100;
+while ($i) {
+  dec $i;
+
+--connection locker
+--error 0,1060
+  ALTER TABLE t1 ADD COLUMN a INT;
+  UPDATE t1 SET a=b;
+
+--connection writer
+  PREPARE stmt FROM 'UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0';
+--send EXECUTE stmt
+
+--connection locker
+--error 0,1091
+  ALTER TABLE t1 DROP COLUMN a;
+
+--connection writer
+--error 0,1054 # Unknown column 'a' in 'field list'
+--reap
+}
+--enable_query_log
+--connection default
+DROP TABLE t1;
+
 # End of 5.0 tests

mysql-test/t/metadata.test

@@ -112,4 +112,21 @@ SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1 ORDER BY v2.c2;
 DROP VIEW v1,v2;
 DROP TABLE t1,t2;
 
+#
+# Bug #39283: Date returned as VARBINARY to client for queries
+#             with COALESCE and JOIN
+#
+
+CREATE TABLE t1 (i INT, d DATE);
+INSERT INTO t1 VALUES (1, '2008-01-01'), (2, '2008-01-02'), (3, '2008-01-03');
+
+--enable_metadata
+--sorted_result
+SELECT COALESCE(d, d), IFNULL(d, d), IF(i, d, d),
+       CASE i WHEN i THEN d ELSE d END, GREATEST(d, d), LEAST(d, d)
+  FROM t1 ORDER BY RAND(); # force filesort
+--disable_metadata
+
+DROP TABLE t1;
+
 --echo End of 5.0 tests

mysql-test/t/order_by.test

@@ -738,3 +738,21 @@ set session max_sort_length= 2180;
 select * from t1 order by b;
 drop table t1;
 
+
+--echo #
+--echo # Bug #39844: Query Crash Mysql Server 5.0.67
+--echo #
+
+CREATE TABLE t1 (a INT PRIMARY KEY);
+CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
+CREATE TABLE t3 (c INT);
+
+INSERT INTO t1 (a) VALUES (1), (2);
+INSERT INTO t2 (a,b) VALUES (1,2), (2,3);
+INSERT INTO t3 (c) VALUES (1), (2);
+
+SELECT
+  (SELECT t1.a FROM t1, t2 WHERE t1.a = t2.b AND t2.a = t3.c ORDER BY t1.a)
+  FROM t3;
+
+DROP TABLE t1, t2, t3;

mysql-test/t/sp.test

@@ -7836,6 +7836,28 @@ delimiter ;$
 call `p2`('s s s s s s');
 drop procedure `p2`;
 
+#
+# Bug#38823: Invalid memory access when a SP statement does wildcard expansion
+#
+
+--disable_warnings
+drop table if exists t1;
+drop procedure if exists p1;
+--enable_warnings
+
+delimiter $;
+create procedure p1() begin select * from t1; end$
+--error ER_NO_SUCH_TABLE
+call p1$
+create table t1 (a integer)$
+call p1$
+alter table t1 add b integer;
+call p1$
+delimiter ;$
+
+drop table t1;
+drop procedure p1;
+
 --echo # ------------------------------------------------------------------
 --echo # -- End of 5.0 tests
 --echo # ------------------------------------------------------------------

mysql-test/t/subselect3.test

@@ -618,4 +618,26 @@ SELECT 1 FROM t1 WHERE t1.a NOT IN (SELECT 1 FROM t1, t2 WHERE 0);
 
 DROP TABLE t1, t2;
 
+#
+# Bug #37894: Assertion in init_read_record_seq in handler.h line 1444
+#
+
+CREATE TABLE t1 (
+  pk INT PRIMARY KEY,
+  int_key INT,
+  varchar_key VARCHAR(5) UNIQUE,
+  varchar_nokey VARCHAR(5)
+);
+INSERT INTO t1 VALUES (9, 7,NULL,NULL), (10,8,'p' ,'p');
+
+SELECT varchar_nokey
+FROM t1
+WHERE NULL NOT IN (
+ SELECT INNR.pk FROM t1 AS INNR2
+   LEFT JOIN t1 AS INNR ON ( INNR2.int_key = INNR.int_key )
+   WHERE INNR.varchar_key > 'n{'
+);
+
+DROP TABLE t1;
+
 --echo End of 5.0 tests

mysql-test/t/windows.test

@@ -33,5 +33,6 @@ drop table t1;
 #
 CREATE TABLE t1 (a int, b int); INSERT INTO t1 VALUES (1,1);
 EXPLAIN SELECT * FROM t1 WHERE b =  (SELECT max(2));
+DROP TABLE t1;
 
 --echo End of 5.0 tests.

sql/item.cc

@@ -1758,13 +1758,16 @@ Item_field::Item_field(THD *thd, Name_resolution_context *context_arg,
     We need to copy db_name, table_name and field_name because they must
     be allocated in the statement memory, not in table memory (the table
     structure can go away and pop up again between subsequent executions
-    of a prepared statement).
+    of a prepared statement or after the close_tables_for_reopen() call
+    in mysql_multi_update_prepare() or due to wildcard expansion in stored
+    procedures).
   */
-  if (thd->stmt_arena->is_stmt_prepare_or_first_sp_execute())
   {
     if (db_name)
       orig_db_name= thd->strdup(db_name);
+    if (table_name)
       orig_table_name= thd->strdup(table_name);
+    if (field_name)
       orig_field_name= thd->strdup(field_name);
     /*
       We don't restore 'name' in cleanup because it's not changed

sql/opt_range.cc

@@ -1015,7 +1015,7 @@ int QUICK_RANGE_SELECT::init()
 
   if (file->inited != handler::NONE)
     file->ha_index_or_rnd_end();
-  DBUG_RETURN(error= file->ha_index_init(index));
+  DBUG_RETURN(FALSE);
 }
 
 

sql/sql_base.cc

@@ -3617,8 +3617,21 @@ find_field_in_natural_join(THD *thd, TABLE_LIST *table_ref, const char *name,
   {
     /* This is a base table. */
     DBUG_ASSERT(nj_col->view_field == NULL);
-    DBUG_ASSERT(nj_col->table_ref->table == nj_col->table_field->table);
-    found_field= nj_col->table_field;
+    /*
+      This fix_fields is not necessary (initially this item is fixed by
+      the Item_field constructor; after reopen_tables the Item_func_eq
+      calls fix_fields on that item), it's just a check during table
+      reopening for columns that was dropped by the concurrent connection.
+    */
+    if (!nj_col->table_field->fixed &&
+        nj_col->table_field->fix_fields(thd, (Item **)&nj_col->table_field))
+    {
+      DBUG_PRINT("info", ("column '%s' was dropped by the concurrent connection",
+                          nj_col->table_field->name));
+      DBUG_RETURN(NULL);
+    }
+    DBUG_ASSERT(nj_col->table_ref->table == nj_col->table_field->field->table);
+    found_field= nj_col->table_field->field;
     update_field_dependencies(thd, found_field, nj_col->table_ref->table);
   }
 
@@ -4450,7 +4463,7 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2,
     const char *field_name_1;
     /* true if field_name_1 is a member of using_fields */
     bool is_using_column_1;
-    if (!(nj_col_1= it_1.get_or_create_column_ref(leaf_1)))
+    if (!(nj_col_1= it_1.get_or_create_column_ref(thd, leaf_1)))
       goto err;
     field_name_1= nj_col_1->name();
     is_using_column_1= using_fields && 
@@ -4471,7 +4484,7 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2,
     {
       Natural_join_column *cur_nj_col_2;
       const char *cur_field_name_2;
-      if (!(cur_nj_col_2= it_2.get_or_create_column_ref(leaf_2)))
+      if (!(cur_nj_col_2= it_2.get_or_create_column_ref(thd, leaf_2)))
         goto err;
       cur_field_name_2= cur_nj_col_2->name();
       DBUG_PRINT ("info", ("cur_field_name_2=%s.%s", 
@@ -4957,15 +4970,24 @@ static bool setup_natural_join_row_types(THD *thd,
   TABLE_LIST *left_neighbor;
   /* Table reference to the right of the current. */
   TABLE_LIST *right_neighbor= NULL;
+  bool save_first_natural_join_processing=
+    context->select_lex->first_natural_join_processing;
+
+  context->select_lex->first_natural_join_processing= FALSE;
 
   /* Note that tables in the list are in reversed order */
   for (left_neighbor= table_ref_it++; left_neighbor ; )
   {
     table_ref= left_neighbor;
     left_neighbor= table_ref_it++;
-    /* For stored procedures do not redo work if already done. */
-    if (context->select_lex->first_execution)
+    /* 
+      Do not redo work if already done:
+      1) for stored procedures,
+      2) for multitable update after lock failure and table reopening.
+    */
+    if (save_first_natural_join_processing)
     {
+      context->select_lex->first_natural_join_processing= FALSE;
       if (store_top_level_join_columns(thd, table_ref,
                                        left_neighbor, right_neighbor))
         return TRUE;

sql/sql_lex.cc

@@ -1205,6 +1205,7 @@ void st_select_lex::init_query()
   subquery_in_having= explicit_limit= 0;
   is_item_list_lookup= 0;
   first_execution= 1;
+  first_natural_join_processing= 1;
   first_cond_optimization= 1;
   parsing_place= NO_MATTER;
   exclude_from_table_unique_test= no_wrap_view_item= FALSE;
@@ -2040,12 +2041,26 @@ st_lex::copy_db_to(char **p_db, uint *p_db_length) const
 void st_select_lex_unit::set_limit(SELECT_LEX *sl)
 {
   ha_rows select_limit_val;
+  ulonglong val;
 
   DBUG_ASSERT(! thd->stmt_arena->is_stmt_prepare());
-  select_limit_val= (ha_rows)(sl->select_limit ? sl->select_limit->val_uint() :
-                                                 HA_POS_ERROR);
-  offset_limit_cnt= (ha_rows)(sl->offset_limit ? sl->offset_limit->val_uint() :
-                                                 ULL(0));
+  val= sl->select_limit ? sl->select_limit->val_uint() : HA_POS_ERROR;
+  select_limit_val= (ha_rows)val;
+#ifndef BIG_TABLES
+  /*
+    Check for overflow : ha_rows can be smaller then ulonglong if
+    BIG_TABLES is off.
+    */
+  if (val != (ulonglong)select_limit_val)
+    select_limit_val= HA_POS_ERROR;
+#endif
+  val= sl->offset_limit ? sl->offset_limit->val_uint() : ULL(0);
+  offset_limit_cnt= (ha_rows)val;
+#ifndef BIG_TABLES
+  /* Check for truncation. */
+  if (val != (ulonglong)offset_limit_cnt)
+    offset_limit_cnt= HA_POS_ERROR;
+#endif
   select_limit_cnt= select_limit_val + offset_limit_cnt;
   if (select_limit_cnt < select_limit_val)
     select_limit_cnt= HA_POS_ERROR;		// no limit

sql/sql_lex.h

@@ -586,6 +586,7 @@ public:
     case of an error during prepare the PS is not created.
   */
   bool first_execution;
+  bool first_natural_join_processing;
   bool first_cond_optimization;
   /* do not wrap view fields with Item_ref */
   bool no_wrap_view_item;

sql/sql_select.cc

@@ -6574,6 +6574,7 @@ only_eq_ref_tables(JOIN *join,ORDER *order,table_map tables)
 {
   if (specialflag &  SPECIAL_SAFE_MODE)
     return 0;			// skip this optimize /* purecov: inspected */
+  tables&= ~PSEUDO_TABLE_BITS;
   for (JOIN_TAB **tab=join->map2table ; tables ; tab++, tables>>=1)
   {
     if (tables & 1 && !eq_ref_table(join, order, *tab))
@@ -8964,6 +8965,7 @@ static Field *create_tmp_field_from_item(THD *thd, Item *item, TABLE *table,
     */
     if ((type= item->field_type()) == MYSQL_TYPE_DATETIME ||
         type == MYSQL_TYPE_TIME || type == MYSQL_TYPE_DATE ||
+        type == MYSQL_TYPE_NEWDATE ||
         type == MYSQL_TYPE_TIMESTAMP || type == MYSQL_TYPE_GEOMETRY)
       new_field= item->tmp_table_field_from_field_type(table);
     /* 

sql/sql_union.cc

@@ -399,7 +399,6 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
     }
     else
     {
-      DBUG_ASSERT(!thd->stmt_arena->is_conventional());
       /*
         We're in execution of a prepared statement or stored procedure:
         reset field items to point at fields from the created temporary table.

sql/sql_update.cc

@@ -852,11 +852,14 @@ reopen_tables:
   }
 
   /* now lock and fill tables */
-  if (lock_tables(thd, table_list, table_count, &need_reopen))
+  if (!thd->stmt_arena->is_stmt_prepare() &&
+      lock_tables(thd, table_list, table_count, &need_reopen))
   {
     if (!need_reopen)
       DBUG_RETURN(TRUE);
 
+    DBUG_PRINT("info", ("lock_tables failed, reopening"));
+
     /*
       We have to reopen tables since some of them were altered or dropped
       during lock_tables() or something was done with their triggers.
@@ -872,6 +875,34 @@ reopen_tables:
     for (TABLE_LIST *tbl= table_list; tbl; tbl= tbl->next_global)
       tbl->cleanup_items();
 
+    /*
+      To not to hog memory (as a result of the 
+      unit->reinit_exec_mechanism() call below):
+    */
+    lex->unit.cleanup();
+
+    for (SELECT_LEX *sl= lex->all_selects_list;
+        sl;
+        sl= sl->next_select_in_list())
+    {
+      SELECT_LEX_UNIT *unit= sl->master_unit();
+      unit->reinit_exec_mechanism(); // reset unit->prepared flags
+      /*
+        Reset 'clean' flag back to force normal execution of
+        unit->cleanup() in Prepared_statement::cleanup_stmt()
+        (call to lex->unit.cleanup() above sets this flag to TRUE).
+      */
+      unit->unclean();
+    }
+
+    /*
+      Also we need to cleanup Natural_join_column::table_field items.
+      To not to traverse a join tree we will cleanup whole
+      thd->free_list (in PS execution mode that list may not contain
+      items from 'fields' list, so the cleanup above is necessary to.
+    */
+    cleanup_items(thd->free_list);
+
     close_tables_for_reopen(thd, &table_list);
     goto reopen_tables;
   }

sql/table.cc

@@ -2191,7 +2191,7 @@ TABLE_LIST *TABLE_LIST::find_underlying_table(TABLE *table_to_find)
 }
 
 /*
-  cleunup items belonged to view fields translation table
+  cleanup items belonged to view fields translation table
 
   SYNOPSIS
     TABLE_LIST::cleanup_items()
@@ -2637,10 +2637,10 @@ Natural_join_column::Natural_join_column(Field_translator *field_param,
 }
 
 
-Natural_join_column::Natural_join_column(Field *field_param,
+Natural_join_column::Natural_join_column(Item_field *field_param,
                                          TABLE_LIST *tab)
 {
-  DBUG_ASSERT(tab->table == field_param->table);
+  DBUG_ASSERT(tab->table == field_param->field->table);
   table_field= field_param;
   view_field= NULL;
   table_ref= tab;
@@ -2668,7 +2668,7 @@ Item *Natural_join_column::create_item(THD *thd)
     return create_view_field(thd, table_ref, &view_field->item,
                              view_field->name);
   }
-  return new Item_field(thd, &thd->lex->current_select->context, table_field);
+  return table_field;
 }
 
 
@@ -2679,7 +2679,7 @@ Field *Natural_join_column::field()
     DBUG_ASSERT(table_field == NULL);
     return NULL;
   }
-  return table_field;
+  return table_field->field;
 }
 
 
@@ -2811,7 +2811,7 @@ void Field_iterator_natural_join::next()
   cur_column_ref= column_ref_it++;
   DBUG_ASSERT(!cur_column_ref || ! cur_column_ref->table_field ||
               cur_column_ref->table_ref->table ==
-              cur_column_ref->table_field->table);
+              cur_column_ref->table_field->field->table);
 }
 
 
@@ -2975,7 +2975,7 @@ GRANT_INFO *Field_iterator_table_ref::grant()
 */
 
 Natural_join_column *
-Field_iterator_table_ref::get_or_create_column_ref(TABLE_LIST *parent_table_ref)
+Field_iterator_table_ref::get_or_create_column_ref(THD *thd, TABLE_LIST *parent_table_ref)
 {
   Natural_join_column *nj_col;
   bool is_created= TRUE;
@@ -2988,7 +2988,11 @@ Field_iterator_table_ref::get_or_create_column_ref(TABLE_LIST *parent_table_ref)
   {
     /* The field belongs to a stored table. */
     Field *tmp_field= table_field_it.field();
-    nj_col= new Natural_join_column(tmp_field, table_ref);
+    Item_field *tmp_item=
+      new Item_field(thd, &thd->lex->current_select->context, tmp_field);
+    if (!tmp_item)
+      return NULL;
+    nj_col= new Natural_join_column(tmp_item, table_ref);
     field_count= table_ref->table->s->fields;
   }
   else if (field_it == &view_field_it)
@@ -3012,7 +3016,7 @@ Field_iterator_table_ref::get_or_create_column_ref(TABLE_LIST *parent_table_ref)
     DBUG_ASSERT(nj_col);
   }
   DBUG_ASSERT(!nj_col->table_field ||
-              nj_col->table_ref->table == nj_col->table_field->table);
+              nj_col->table_ref->table == nj_col->table_field->field->table);
 
   /*
     If the natural join column was just created add it to the list of
@@ -3077,7 +3081,7 @@ Field_iterator_table_ref::get_natural_column_ref()
   nj_col= natural_join_it.column_ref();
   DBUG_ASSERT(nj_col &&
               (!nj_col->table_field ||
-               nj_col->table_ref->table == nj_col->table_field->table));
+               nj_col->table_ref->table == nj_col->table_field->field->table));
   return nj_col;
 }
 

sql/table.h

@@ -18,6 +18,7 @@
 
 class Item;				/* Needed by ORDER */
 class Item_subselect;
+class Item_field;
 class GRANT_TABLE;
 class st_select_lex_unit;
 class st_select_lex;
@@ -469,7 +470,7 @@ class Natural_join_column: public Sql_alloc
 {
 public:
   Field_translator *view_field;  /* Column reference of merge view. */
-  Field            *table_field; /* Column reference of table or temp view. */
+  Item_field       *table_field; /* Column reference of table or temp view. */
   TABLE_LIST *table_ref; /* Original base table/view reference. */
   /*
     True if a common join column of two NATURAL/USING join operands. Notice
@@ -481,7 +482,7 @@ public:
   bool is_common;
 public:
   Natural_join_column(Field_translator *field_param, TABLE_LIST *tab);
-  Natural_join_column(Field *field_param, TABLE_LIST *tab);
+  Natural_join_column(Item_field *field_param, TABLE_LIST *tab);
   const char *name();
   Item *create_item(THD *thd);
   Field *field();
@@ -899,7 +900,7 @@ public:
   GRANT_INFO *grant();
   Item *create_item(THD *thd) { return field_it->create_item(thd); }
   Field *field() { return field_it->field(); }
-  Natural_join_column *get_or_create_column_ref(TABLE_LIST *parent_table_ref);
+  Natural_join_column *get_or_create_column_ref(THD *thd, TABLE_LIST *parent_table_ref);
   Natural_join_column *get_natural_column_ref();
 };