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Merge 5.3->5.5

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This commit is contained in:
Igor Babaev
2013-08-21 11:27:02 -07:00
parent c97ae6b56f 99992f6ec4
commit 5d5f3a1ee8
4 changed files with 64 additions and 2 deletions
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30
mysql-test/r/null.result
View File

@ -343,3 +343,33 @@ Field Type Null Key Default Extra
IFNULL(NULL, b) decimal(1,0) YES NULL
DROP TABLE t1, t2;
# End of 5.0 tests
#
# MDEV-4895 Valgrind warnings (Conditional jump or move depends on uninitialised value) in Field_datetime::get_date on GREATEST(..) IS NULL
#
CREATE TABLE t1 (dt DATETIME NOT NULL);
INSERT INTO t1 VALUES (NOW()),(NOW());
EXPLAIN
SELECT * FROM t1 WHERE concat( dt, '2012-12-21 12:12:12' ) 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
SELECT * FROM t1 WHERE concat( dt, '2012-12-21 12:12:12' ) IS NULL;
dt
DROP TABLE t1;
CREATE TABLE t1 (dt INT NOT NULL);
INSERT INTO t1 VALUES (1),(2);
EXPLAIN
SELECT * FROM t1 WHERE concat( dt, '1' ) 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
SELECT * FROM t1 WHERE concat( dt, '1' ) IS NULL;
dt
DROP TABLE t1;
CREATE TABLE t1 (dt INT NOT NULL);
INSERT INTO t1 VALUES (1),(2);
EXPLAIN
SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT 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
SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT NULL);
dt
DROP TABLE t1;

28
mysql-test/t/null.test
View File

@ -255,3 +255,31 @@ DESCRIBE t2;
DROP TABLE t1, t2;
--echo # End of 5.0 tests
--echo #
--echo # MDEV-4895 Valgrind warnings (Conditional jump or move depends on uninitialised value) in Field_datetime::get_date on GREATEST(..) IS NULL
--echo #
CREATE TABLE t1 (dt DATETIME NOT NULL);
INSERT INTO t1 VALUES (NOW()),(NOW());
EXPLAIN
SELECT * FROM t1 WHERE concat( dt, '2012-12-21 12:12:12' ) IS NULL;
SELECT * FROM t1 WHERE concat( dt, '2012-12-21 12:12:12' ) IS NULL;
DROP TABLE t1;
CREATE TABLE t1 (dt INT NOT NULL);
INSERT INTO t1 VALUES (1),(2);
EXPLAIN
SELECT * FROM t1 WHERE concat( dt, '1' ) IS NULL;
SELECT * FROM t1 WHERE concat( dt, '1' ) IS NULL;
DROP TABLE t1;
CREATE TABLE t1 (dt INT NOT NULL);
INSERT INTO t1 VALUES (1),(2);
EXPLAIN
SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT NULL);
SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT NULL);
DROP TABLE t1;