mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
173 lines
6.1 KiB
Text
173 lines
6.1 KiB
Text
drop table if exists t1;
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set @save_max_allowed_packet=@@max_allowed_packet;
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set global max_allowed_packet=1048576;
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connect conn1,localhost,root,,;
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connection conn1;
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set names latin1;
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select hex(weight_string(0x010203));
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hex(weight_string(0x010203))
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010203
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select hex(weight_string('aa' as char(3)));
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hex(weight_string('aa' as char(3)))
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414120
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select hex(weight_string('a' as char(-1)));
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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
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select hex(weight_string('a' as char(0)));
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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
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select hex(weight_string('a' as char(1)));
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hex(weight_string('a' as char(1)))
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41
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select hex(weight_string('ab' as char(1)));
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hex(weight_string('ab' as char(1)))
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41
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select hex(weight_string('ab'));
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hex(weight_string('ab'))
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4142
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select hex(weight_string('aa' as binary(3)));
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hex(weight_string('aa' as binary(3)))
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616100
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select hex(weight_string(cast('aa' as binary(3))));
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hex(weight_string(cast('aa' as binary(3))))
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616100
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select hex(weight_string('ab' level 1-1 ASC));
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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
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select hex(weight_string('ab' level 1-1 DESC));
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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
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select hex(weight_string('ab' level 1-1 REVERSE));
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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
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select hex(weight_string('ab' level 1 ASC));
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hex(weight_string('ab' level 1 ASC))
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4142
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select hex(weight_string('ab' level 1 DESC));
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hex(weight_string('ab' level 1 DESC))
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BEBD
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select hex(weight_string('ab' level 1 REVERSE));
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hex(weight_string('ab' level 1 REVERSE))
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4241
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select hex(weight_string('ab' level 1 DESC REVERSE));
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hex(weight_string('ab' level 1 DESC REVERSE))
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BDBE
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create table t1 select weight_string('test') as w;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`w` varbinary(4) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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drop table t1;
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create table t1 select weight_string(repeat('t',66000)) as w;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`w` mediumblob DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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drop table t1;
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select weight_string(NULL);
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weight_string(NULL)
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NULL
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select 1 as weight_string, 2 as reverse;
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weight_string reverse
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1 2
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select coercibility(weight_string('test'));
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coercibility(weight_string('test'))
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4
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select coercibility(weight_string('test' collate latin1_swedish_ci));
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coercibility(weight_string('test' collate latin1_swedish_ci))
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0
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create table t1 (s1 varchar(5));
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insert into t1 values ('a'),(null);
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select hex(weight_string(s1)) from t1 order by s1;
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hex(weight_string(s1))
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NULL
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41
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drop table t1;
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#
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# BUG#11898467 - SERVER CRASHES ON SELECT HEX(WEIGHT_STRING(STR AS [CHAR|BINARY](N))) IF N IS BIG
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#
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SELECT HEX(WEIGHT_STRING('ab' AS CHAR(1000000000000000000)));
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HEX(WEIGHT_STRING('ab' AS CHAR(1000000000000000000)))
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NULL
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Warnings:
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Warning 1301 Result of weight_string() was larger than max_allowed_packet (1048576) - truncated
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SELECT HEX(WEIGHT_STRING('ab' AS BINARY(1000000000000000000)));
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HEX(WEIGHT_STRING('ab' AS BINARY(1000000000000000000)))
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NULL
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Warnings:
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Warning 1301 Result of cast_as_binary() was larger than max_allowed_packet (1048576) - truncated
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Warning 1301 Result of weight_string() was larger than max_allowed_packet (1048576) - truncated
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disconnect conn1;
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connection default;
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set global max_allowed_packet=@save_max_allowed_packet;
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#
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# Start of 10.1 tests
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#
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#
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# MDEV-8369 Unexpected impossible WHERE for a condition on a ZEROFILL field
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#
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CREATE TABLE t1 (a INT(6) ZEROFILL);
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INSERT INTO t1 VALUES (1),(2);
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SELECT * FROM t1 WHERE a=1;
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a
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000001
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SELECT * FROM t1 WHERE WEIGHT_STRING(a) IS NULL;
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a
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000001
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000002
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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a
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000001
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EXPLAIN EXTENDED
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1 and weight_string(`test`.`t1`.`a`,0,0,1) is null
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ALTER TABLE t1 MODIFY a DOUBLE ZEROFILL;
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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a
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0000000000000000000001
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EXPLAIN EXTENDED
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1 and weight_string(`test`.`t1`.`a`,0,0,1) is null
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ALTER TABLE t1 MODIFY a DECIMAL(10,1) ZEROFILL;
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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a
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000000001.0
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EXPLAIN EXTENDED
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1 and weight_string(`test`.`t1`.`a`,0,0,1) is null
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DROP TABLE t1;
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#
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# End of 10.1 tests
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#
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#
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# Start of 10.2 tests
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#
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#
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# MDEV-10134 Add full support for DEFAULT
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#
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CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1, b VARBINARY(10) DEFAULT WEIGHT_STRING(a AS CHAR(10)));
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` varchar(10) DEFAULT NULL,
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`b` varbinary(10) DEFAULT weight_string(`a`,0,10,65)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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INSERT INTO t1 (a) VALUES ('a');
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SELECT a, HEX(b) FROM t1;
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a HEX(b)
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a 41202020202020202020
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DROP TABLE t1;
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create view v1 as select weight_string("MySQL" as char(4));
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select * from v1;
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weight_string("MySQL" as char(4))
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MYSQ
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drop view v1;
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#
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# End of 10.2 tests
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#
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