mirror of
https://github.com/MariaDB/server.git
synced 2025-07-07 06:01:31 +03:00
Merge bk@192.168.21.1:mysql-5.1
into mysql.com:/d2/hf/mrg/mysql-5.1-opt
This commit is contained in:
@ -145,6 +145,27 @@ SELECT * FROM t1;
|
||||
c1 cnt
|
||||
1a 2
|
||||
DROP TABLE t1;
|
||||
CREATE TABLE t1 (
|
||||
a1 decimal(10,0) DEFAULT NULL,
|
||||
a2 blob,
|
||||
a3 time DEFAULT NULL,
|
||||
a4 blob,
|
||||
a5 char(175) DEFAULT NULL,
|
||||
a6 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
|
||||
a7 tinyblob,
|
||||
INDEX idx (a6,a7(239),a5)
|
||||
) ENGINE=InnoDB;
|
||||
EXPLAIN SELECT a4 FROM t1 WHERE
|
||||
a6=NULL AND
|
||||
a4='UNcT5pIde4I6c2SheTo4gt92OV1jgJCVkXmzyf325R1DwLURkbYHwhydANIZMbKTgdcR5xS';
|
||||
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
|
||||
EXPLAIN SELECT t1.a4 FROM t1, t1 t WHERE
|
||||
t.a6=t.a6 AND t1.a6=NULL AND
|
||||
t1.a4='UNcT5pIde4I6c2SheTo4gt92OV1jgJCVkXmzyf325R1DwLURkbYHwhydANIZMbKTgdcR5xS';
|
||||
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;
|
||||
End of 4.1 tests
|
||||
create table t1m (a int) engine = MEMORY;
|
||||
create table t1i (a int);
|
||||
|
Reference in New Issue
Block a user