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drop table if exists t1;
set global max_allowed_packet=1048576;
set names latin1;
select hex(weight_string(0x010203));
hex(weight_string(0x010203))
010203
select hex(weight_string('aa' as char(3)));
hex(weight_string('aa' as char(3)))
414120
select hex(weight_string('a' as char(-1)));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1)))' at line 1
select hex(weight_string('a' as char(0)));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '0)))' at line 1
select hex(weight_string('a' as char(1)));
hex(weight_string('a' as char(1)))
41
select hex(weight_string('ab' as char(1)));
hex(weight_string('ab' as char(1)))
41
select hex(weight_string('ab'));
hex(weight_string('ab'))
4142
select hex(weight_string('aa' as binary(3)));
hex(weight_string('aa' as binary(3)))
616100
select hex(weight_string(cast('aa' as binary(3))));
hex(weight_string(cast('aa' as binary(3))))
616100
select hex(weight_string('ab' level 1-1 ASC));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ASC))' at line 1
select hex(weight_string('ab' level 1-1 DESC));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'DESC))' at line 1
select hex(weight_string('ab' level 1-1 REVERSE));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'REVERSE))' at line 1
select hex(weight_string('ab' level 1 ASC));
hex(weight_string('ab' level 1 ASC))
4142
select hex(weight_string('ab' level 1 DESC));
hex(weight_string('ab' level 1 DESC))
BEBD
select hex(weight_string('ab' level 1 REVERSE));
hex(weight_string('ab' level 1 REVERSE))
4241
select hex(weight_string('ab' level 1 DESC REVERSE));
hex(weight_string('ab' level 1 DESC REVERSE))
BDBE
create table t1 select weight_string('test') as w;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`w` varbinary(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 select weight_string(repeat('t',66000)) as w;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`w` longblob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select weight_string(NULL);
weight_string(NULL)
NULL
select 1 as weight_string, 2 as reverse;
weight_string reverse
1 2
select coercibility(weight_string('test'));
coercibility(weight_string('test'))
4
select coercibility(weight_string('test' collate latin1_swedish_ci));
coercibility(weight_string('test' collate latin1_swedish_ci))
0
create table t1 (s1 varchar(5));
insert into t1 values ('a'),(null);
select hex(weight_string(s1)) from t1 order by s1;
hex(weight_string(s1))
NULL
41
drop table t1;
#
# BUG#11898467 - SERVER CRASHES ON SELECT HEX(WEIGHT_STRING(STR AS [CHAR|BINARY](N))) IF N IS BIG
#
SELECT HEX(WEIGHT_STRING('ab' AS CHAR(1000000000000000000)));
HEX(WEIGHT_STRING('ab' AS CHAR(1000000000000000000)))
NULL
Warnings:
Warning 1301 Result of weight_string() was larger than max_allowed_packet (1048576) - truncated
SELECT HEX(WEIGHT_STRING('ab' AS BINARY(1000000000000000000)));
HEX(WEIGHT_STRING('ab' AS BINARY(1000000000000000000)))
NULL
Warnings:
Warning 1301 Result of cast_as_binary() was larger than max_allowed_packet (1048576) - truncated
Warning 1301 Result of weight_string() was larger than max_allowed_packet (1048576) - truncated
set global max_allowed_packet=default;
#
# Start of 10.1 tests
#
#
# MDEV-8369 Unexpected impossible WHERE for a condition on a ZEROFILL field
#
CREATE TABLE t1 (a INT(6) ZEROFILL);
INSERT INTO t1 VALUES (1),(2);
SELECT * FROM t1 WHERE a=1;
a
000001
SELECT * FROM t1 WHERE WEIGHT_STRING(a) IS NULL;
a
000001
000002
SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
a
000001
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`)))
ALTER TABLE t1 MODIFY a DOUBLE ZEROFILL;
SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
a
0000000000000000000001
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`)))
ALTER TABLE t1 MODIFY a DECIMAL(10,1) ZEROFILL;
SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
a
000000001.0
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`)))
DROP TABLE t1;
#
# End of 10.1 tests
#
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