B4BY.588

: / proc / self / root / usr / share / mysql-test / t /
Filename : compare.test
back
#
# Bug when using comparions of strings and integers.
#

--disable_warnings
drop table if exists t1;
--enable_warnings

CREATE TABLE t1 (id CHAR(12) not null, PRIMARY KEY (id));
insert into t1 values ('000000000001'),('000000000002');
explain select * from t1 where id=000000000001;
select * from t1 where id=000000000001;
delete from t1 where id=000000000002;
select * from t1;
drop table t1;

#
# Check the following:
# "a"  == "a "
# "a\0" < "a"
# "a\0" < "a "

SELECT 'a' = 'a ';
SELECT 'a\0' < 'a';
SELECT 'a\0' < 'a ';
SELECT 'a\t' < 'a';
SELECT 'a\t' < 'a ';

CREATE TABLE t1 (a char(10) not null);
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
DROP TABLE t1;

# Bug #8134: Comparison against CHAR(31) at end of string
SELECT CHAR(31) = '', '' = CHAR(31);
# Extra test
SELECT CHAR(30) = '', '' = CHAR(30);

# End of 4.1 tests

#
#Bug #21159: Optimizer: wrong result after AND with different data types
#
create table t1 (a tinyint(1),b binary(1));
insert into t1 values (0x01,0x01);
select * from t1 where a=b;
select * from t1 where a=b and b=0x01;
drop table if exists t1;

#
# Bug #31887: DML Select statement not returning same results when executed
# in version 5
#

CREATE TABLE  t1 (b int(2) zerofill, c int(2) zerofill);
INSERT INTO t1 (b,c) VALUES (1,2), (1,1), (2,2);

SELECT CONCAT(b,c), CONCAT(b,c) = '0101' FROM t1;

EXPLAIN EXTENDED SELECT b,c FROM t1 WHERE b = 1 AND CONCAT(b,c) = '0101';
SELECT b,c FROM t1 WHERE b = 1 AND CONCAT(b,c) = '0101';

CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (1),(2);

SELECT a, 
  (SELECT COUNT(*) FROM t1 
   WHERE b = t2.a AND CONCAT(b,c) = CONCAT('0',t2.a,'01')) x 
FROM t2 ORDER BY a;

EXPLAIN EXTENDED 
SELECT a, 
  (SELECT COUNT(*) FROM t1 
   WHERE b = t2.a AND CONCAT(b,c) = CONCAT('0',t2.a,'01')) x 
FROM t2 ORDER BY a;

DROP TABLE t1,t2;

#
# Bug #39353: Multiple conditions on timestamp column crashes server
#

CREATE TABLE t1 (a TIMESTAMP); 
INSERT INTO t1 VALUES (NOW()),(NOW()),(NOW());
SELECT * FROM t1 WHERE a > '2008-01-01' AND a = '0000-00-00';
DROP TABLE t1;

--echo End of 5.0 tests

#
# Bug #11764818 57692: Crash in item_func_in::val_int() with ZEROFILL
#

CREATE TABLE t1(a INT ZEROFILL);
SELECT 1 FROM t1 WHERE t1.a IN (1, t1.a) AND t1.a=2;
DROP TABLE t1;