Commit ca1e4aab authored by unknown's avatar unknown
Browse files

Merge rakia:mysql/4.1/B14553

into  macbook.gmz:/Users/kgeorge/mysql/work/B14553-4.1-opt


sql/sql_class.cc:
  SCCS merged
sql/sql_select.cc:
  SCCS merged
parents 8cb368bc 0806d9a8
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+11 −0
Original line number Diff line number Diff line
@@ -14,3 +14,14 @@ explain select * from t1 where b is null;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
drop table t1;
CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY);
INSERT INTO t1 VALUES (NULL);
SELECT sql_no_cache a, last_insert_id() FROM t1 WHERE a IS NULL;
a	last_insert_id()
1	1
SELECT sql_no_cache a, last_insert_id() FROM t1 WHERE a IS NULL;
a	last_insert_id()
SELECT sql_no_cache a, last_insert_id() FROM t1;
a	last_insert_id()
1	1
DROP TABLE t1;
+14 −0
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@@ -73,3 +73,17 @@ CREATE TABLE t1 ( a INT UNIQUE );
SET FOREIGN_KEY_CHECKS=0;
INSERT INTO t1 VALUES (1),(1);
ERROR 23000: Duplicate entry '1' for key 1
drop table t1;
create table t1(a int auto_increment, key(a));
create table t2(a int);
insert into t1 (a) values (null);
insert into t2 (a) select a from t1 where a is null;
insert into t2 (a) select a from t1 where a is null;
select * from t2;
a
1
select * from t2;
a
1
drop table t1;
drop table t2;
+10 −0
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@@ -21,4 +21,14 @@ select * from t1 where a is null;
explain select * from t1 where b is null;
drop table t1;

#
# Bug #14553: NULL in WHERE resets LAST_INSERT_ID
#
CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY);
INSERT INTO t1 VALUES (NULL);
SELECT sql_no_cache a, last_insert_id() FROM t1 WHERE a IS NULL;
SELECT sql_no_cache a, last_insert_id() FROM t1 WHERE a IS NULL;
SELECT sql_no_cache a, last_insert_id() FROM t1;
DROP TABLE t1;

# End of 4.1 tests
+19 −1
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@@ -74,4 +74,22 @@ SET FOREIGN_KEY_CHECKS=0;
INSERT INTO t1 VALUES (1),(1);
sync_slave_with_master;
 
#
# Bug#14553: NULL in WHERE resets LAST_INSERT_ID
#
connection master;
drop table t1;
create table t1(a int auto_increment, key(a));
create table t2(a int);
insert into t1 (a) values (null);
insert into t2 (a) select a from t1 where a is null;
insert into t2 (a) select a from t1 where a is null;
select * from t2;
sync_slave_with_master;
connection slave;
select * from t2;
connection master;
drop table t1;
drop table t2;
sync_slave_with_master;
# End of 4.1 tests
+1 −0
Original line number Diff line number Diff line
@@ -265,6 +265,7 @@ THD::THD()
    ulong tmp=sql_rnd_with_mutex();
    randominit(&rand, tmp + (ulong) &rand, tmp + (ulong) ::query_id);
  }
  substitute_null_with_insert_id = FALSE;
}


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