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MDEV-8699 Wrong result for SELECT..WHERE HEX(date_column)!='323030312D30312D3031' AND date_column='2001-01-01x'

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This commit is contained in:
Alexander Barkov
2015-09-07 17:43:53 +04:00
parent 2029163999
commit 42574427e6
12 changed files with 832 additions and 1 deletions
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64
mysql-test/include/equal_fields_propagation_datetime.inc Normal file
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# Trailing garbage in string literals
--eval CREATE TABLE t1 (a $TYPE);
INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
SELECT * FROM t1 WHERE a='2001-01-01 00:00:00x';
SELECT * FROM t1 WHERE LENGTH(a) != 20;
SELECT * FROM t1 WHERE LENGTH(a) != 20 AND a='2001-01-01 00:00:00x';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a) != 20 AND a='2001-01-01 00:00:00x';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=30+RAND() AND a='2001-01-01 00:00:00x';
DROP TABLE t1;
# Leading spaces in string literals
--eval CREATE TABLE t1 (a $TYPE);
INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
SELECT * FROM t1 WHERE LENGTH(a)=19;
SELECT * FROM t1 WHERE LENGTH(a)=19 AND a=' 2001-01-01 00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=19 AND a=' 2001-01-01 00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=19+RAND() AND a=' 2001-01-01 00:00:00';
# This should not propagate
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=' garbage ';
DROP TABLE t1;
# Trailing fractional digits in temporal literals
--eval CREATE TABLE t1 (a $TYPE);
INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
SELECT * FROM t1 WHERE a=TIMESTAMP'2001-01-01 00:00:00.000000';
SELECT * FROM t1 WHERE LENGTH(a)=19;
SELECT * FROM t1 WHERE LENGTH(a)=19 AND a=TIMESTAMP'2001-01-01 00:00:00.000000';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=19 AND a=TIMESTAMP'2001-01-01 00:00:00.000000';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 00:00:00.000000';
DROP TABLE t1;
# Trailing fractional digits in temporal literals, the same precision
--eval CREATE TABLE t1 (a $TYPE(6));
INSERT INTO t1 VALUES ('2001-01-01 00:00:00.000000'),('2001-01-01 00:00:01.000000');
SELECT * FROM t1 WHERE a=TIMESTAMP'2001-01-01 00:00:00.000000';
SELECT * FROM t1 WHERE LENGTH(a)=26;
SELECT * FROM t1 WHERE LENGTH(a)=26 AND a=TIMESTAMP'2001-01-01 00:00:00.000000';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=26 AND a=TIMESTAMP'2001-01-01 00:00:00.000000';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=40+RAND() AND a=TIMESTAMP'2001-01-01 00:00:00.000000';
DROP TABLE t1;
# DATETIME/TIMESTAMP column vs TIME literal
SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
--eval CREATE TABLE t1 (a $TYPE);
INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
SELECT * FROM t1 WHERE a=TIME'00:00:00';
SELECT * FROM t1 WHERE LENGTH(a)=19;
SELECT * FROM t1 WHERE LENGTH(a)=19 AND a=TIME'00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=19 AND a=TIME'00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=40+RAND() AND a=TIME'00:00:00';
DROP TABLE t1;