mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 18:36:12 +01:00
180 lines
4.7 KiB
Text
180 lines
4.7 KiB
Text
--disable_warnings
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drop table if exists t1;
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--enable_warnings
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#check after fix MDEV-29601
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--disable_service_connection
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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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#
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# If it's BLOB or BINARY or VARBINARY, then output = input.
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#
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select hex(weight_string(0x010203));
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#
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# "AS CHAR ( int )" causes padding on the right. The pad
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# character is always space, that is, 0x20 or 0x0020.
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# The padding occurs before the conversion to a weight.
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# The value of "int" is the number of characters, not the number of bytes.
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#
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select hex(weight_string('aa' as char(3)));
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#
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# The minimum value of 'int' is 1.
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#
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--error 1064
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select hex(weight_string('a' as char(-1)));
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--error 1064
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select hex(weight_string('a' as char(0)));
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select hex(weight_string('a' as char(1)));
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#
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# If 'int' is smaller than the length of 'string',
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# truncation will occur with no warning.
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#
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select hex(weight_string('ab' as char(1)));
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#
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# If "AS CHAR ( int )" is omitted, there is no padding and no truncation.
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#
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select hex(weight_string('ab'));
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#
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# "AS BINARY ( int )" is like CHAR(int) but causes padding of 0x00
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# so one doesn't have to use "CAST(string AS BINARY(int))".
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#
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select hex(weight_string('aa' as binary(3)));
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select hex(weight_string(cast('aa' as binary(3))));
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#
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# If and only if one specifies "LEVEL numeric-list" (not "range"),
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# one may follow any "number" with [ASC|DESC][REVERSE]
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#
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--error 1064
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select hex(weight_string('ab' level 1-1 ASC));
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--error 1064
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select hex(weight_string('ab' level 1-1 DESC));
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--error 1064
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select hex(weight_string('ab' level 1-1 REVERSE));
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#
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# If one says "DESC", then the weights come out NOTed
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# or negated for that level.
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# If one says "REVERSE", then the weights come out in
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# reverse order for that level, that is, starting with
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# the last character and ending with the first character.
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#
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select hex(weight_string('ab' level 1 ASC));
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select hex(weight_string('ab' level 1 DESC));
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select hex(weight_string('ab' level 1 REVERSE));
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select hex(weight_string('ab' level 1 DESC REVERSE));
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#
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# If the result length is less than or equal to the
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# maximum possible length for the VARBINARY data type,
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# then the result data type is VARBINARY. Otherwise
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# the result data type is BLOB.
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#
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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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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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drop table t1;
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#
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# If input is NULL, then output is NULL.
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#
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select weight_string(NULL);
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#
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# WEIGHT_STRING and REVERSE will not be a new reserved word.
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#
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select 1 as weight_string, 2 as reverse;
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#
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# Check that collation derivation is copied from the argument
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#
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select coercibility(weight_string('test'));
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select coercibility(weight_string('test' collate latin1_swedish_ci));
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#
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# Bug#33663 Character sets: weight_string function,
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# varchar column, wrong result
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#
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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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drop table t1;
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--echo #
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--echo # BUG#11898467 - SERVER CRASHES ON SELECT HEX(WEIGHT_STRING(STR AS [CHAR|BINARY](N))) IF N IS BIG
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--echo #
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SELECT HEX(WEIGHT_STRING('ab' AS CHAR(1000000000000000000)));
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--disable_ps2_protocol
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SELECT HEX(WEIGHT_STRING('ab' AS BINARY(1000000000000000000)));
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--enable_ps2_protocol
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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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--enable_service_connection
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--echo #
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--echo # Start of 10.1 tests
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--echo #
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--echo #
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--echo # MDEV-8369 Unexpected impossible WHERE for a condition on a ZEROFILL field
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--echo #
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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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SELECT * FROM t1 WHERE WEIGHT_STRING(a) IS NULL;
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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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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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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EXPLAIN EXTENDED
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) 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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EXPLAIN EXTENDED
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SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
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DROP TABLE t1;
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--echo #
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--echo # End of 10.1 tests
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--echo #
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--echo #
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--echo # Start of 10.2 tests
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--echo #
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--echo #
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--echo # MDEV-10134 Add full support for DEFAULT
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--echo #
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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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INSERT INTO t1 (a) VALUES ('a');
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SELECT a, HEX(b) FROM t1;
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DROP TABLE t1;
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#
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# Item_func_weight_string::print()
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#
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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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drop view v1;
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--echo #
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--echo # End of 10.2 tests
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--echo #
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