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Manual merge from mysql-trunk-merge.

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Conflicts:
  - mysql-test/suite/rpl/r/rpl_binlog_grant.result
  - mysql-test/suite/rpl/r/rpl_sp.result
  - mysql-test/suite/rpl/t/rpl_binlog_grant.test
  - sql/sql_parse.cc
  - sql/sql_table.cc
  - sql/sql_test.cc
This commit is contained in:
Alexander Nozdrin
2010-01-31 01:06:50 +03:00
parent 744d6cf57c 788c28aceb
commit ddc8765a9e
47 changed files with 2938 additions and 469 deletions
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63
mysql-test/r/select.result
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@ -4531,6 +4531,69 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select '2001-01-01 00:00:00' AS `a`,'2001-01-01 00:00:00' AS `a`,'2001-01-01 00:00:00' AS `a` from dual where 1
DROP TABLE t1;
#
# Bug #49897: crash in ptr_compare when char(0) NOT NULL
# column is used for ORDER BY
#
SET @old_sort_buffer_size= @@session.sort_buffer_size;
SET @@sort_buffer_size= 40000;
CREATE TABLE t1(a CHAR(0) NOT NULL);
INSERT INTO t1 VALUES (0), (0), (0);
INSERT INTO t1 SELECT t11.a FROM t1 t11, t1 t12;
INSERT INTO t1 SELECT t11.a FROM t1 t11, t1 t12;
INSERT INTO t1 SELECT t11.a FROM t1 t11, t1 t12;
EXPLAIN SELECT a FROM t1 ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 24492
SELECT a FROM t1 ORDER BY a;
DROP TABLE t1;
CREATE TABLE t1(a CHAR(0) NOT NULL, b CHAR(0) NOT NULL, c int);
INSERT INTO t1 VALUES (0, 0, 0), (0, 0, 2), (0, 0, 1);
INSERT INTO t1 SELECT t11.a, t11.b, t11.c FROM t1 t11, t1 t12;
INSERT INTO t1 SELECT t11.a, t11.b, t11.c FROM t1 t11, t1 t12;
INSERT INTO t1 SELECT t11.a, t11.b, t11.c FROM t1 t11, t1 t12;
EXPLAIN SELECT a FROM t1 ORDER BY a LIMIT 5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 24492
SELECT a FROM t1 ORDER BY a LIMIT 5;
a
EXPLAIN SELECT * FROM t1 ORDER BY a, b LIMIT 5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 24492
SELECT * FROM t1 ORDER BY a, b LIMIT 5;
a b c
0
2
1
0
2
EXPLAIN SELECT * FROM t1 ORDER BY a, b, c LIMIT 5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 24492 Using filesort
SELECT * FROM t1 ORDER BY a, b, c LIMIT 5;
a b c
0
0
0
0
0
EXPLAIN SELECT * FROM t1 ORDER BY c, a LIMIT 5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 24492 Using filesort
SELECT * FROM t1 ORDER BY c, a LIMIT 5;
a b c
0
0
0
0
0
SET @@sort_buffer_size= @old_sort_buffer_size;
DROP TABLE t1;
End of 5.0 tests
create table t1(a INT, KEY (a));
INSERT INTO t1 VALUES (1),(2),(3),(4),(5);