config root man

 #Get deafult engine value
--let $DEFAULT_ENGINE = `select @@global.default_storage_engine`

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

set names latin1;

#
# If it's BLOB or BINARY or VARBINARY, then output = input.
#
select hex(weight_string(0x010203));

#
# "AS CHAR ( int )" causes padding on the right. The pad
# character is always space, that is, 0x20 or 0x0020.
# The padding occurs before the conversion to a weight.
# The value of "int" is the number of characters, not the number of bytes.
#
select hex(weight_string('aa' as char(3)));

#
# The minimum value of 'int' is 1.
#
--error 1064
select hex(weight_string('a' as char(-1)));
--error 1064
select hex(weight_string('a' as char(0)));
select hex(weight_string('a' as char(1)));

#
# If 'int' is smaller than the length of 'string',
# truncation will occur with no warning.
#
select hex(weight_string('ab' as char(1)));

#
# If "AS CHAR ( int )" is omitted, there is no padding and no truncation.
#
select hex(weight_string('ab'));

#
# "AS BINARY ( int )" is like CHAR(int) but causes padding of 0x00
# so one doesn't have to use "CAST(string AS BINARY(int))".
#
select hex(weight_string('aa' as binary(3)));
select hex(weight_string(cast('aa' as binary(3))));

#
# If and only if one specifies "LEVEL numeric-list" (not "range"),
# one may follow any "number" with [ASC|DESC][REVERSE]
#
--error 1064
select hex(weight_string('ab' level 1-1 ASC));
--error 1064
select hex(weight_string('ab' level 1-1 DESC));
--error 1064
select hex(weight_string('ab' level 1-1 REVERSE));

#
# If one says "DESC", then the weights come out NOTed
# or negated for that level. 
# If one says "REVERSE", then the weights come out in
# reverse order for that level, that is, starting with
# the last character and ending with the first character.
#
select hex(weight_string('ab' level 1 ASC));
select hex(weight_string('ab' level 1 DESC));
select hex(weight_string('ab' level 1 REVERSE));
select hex(weight_string('ab' level 1 DESC REVERSE));

#
# If the result length is less than or equal to the
# maximum possible length for the VARBINARY data type,
# then the result data type is VARBINARY. Otherwise
# the result data type is BLOB.
#
create table t1 select weight_string('test') as w;

#Replace default engine value with static engine string 
--replace_result $DEFAULT_ENGINE ENGINE
show create table t1;
drop table t1;
create table t1 select weight_string(repeat('t',66000)) as w;

#Replace default engine value with static engine string 
--replace_result $DEFAULT_ENGINE ENGINE
show create table t1;
drop table t1;

#
# If input is NULL, then output is NULL.
#
select weight_string(NULL);

#    
# WEIGHT_STRING and REVERSE will not be a new reserved word.
#
select 1 as weight_string, 2 as reverse;

#
# Check that collation derivation is copied from the argument
#
select coercibility(weight_string('test'));
select coercibility(weight_string('test' collate latin1_swedish_ci));

#
# Bug#33663 Character sets: weight_string function,
# varchar column, wrong result
#
create table t1 (s1 varchar(5));
insert into t1 values ('a'),(null);
select hex(weight_string(s1)) from t1 order by s1;
drop table t1;

--echo #
--echo # BUG#11898467 - SERVER CRASHES ON SELECT HEX(WEIGHT_STRING(STR AS [CHAR|BINARY](N))) IF N IS BIG 
--echo #
SELECT HEX(WEIGHT_STRING('ab' AS CHAR(1000000000000000000))); 
SELECT HEX(WEIGHT_STRING('ab' AS BINARY(1000000000000000000))); 

--echo #
--echo # BUG#21974321: WEIGHT_STRING RESULT IS WRONG IF USED IN A
--echo #               VIEW (AS CHAR CLAUSE IS LOST)
--echo #
SET NAMES utf8;
SET collation_connection=utf16_unicode_ci;
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin2 COLLATE latin2_czech_cs);
INSERT INTO t1 VALUES ('abcd');
INSERT INTO t1 VALUES ('dcba');
CREATE VIEW v1 AS SELECT WEIGHT_STRING(_latin1 'ab') AS b;
CREATE VIEW v2 AS SELECT WEIGHT_STRING(a LEVEL 1) AS b FROM t1;
CREATE VIEW v3 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1) AS b FROM t1;
CREATE VIEW v4 AS SELECT WEIGHT_STRING(a AS CHAR(6) LEVEL 2) AS b FROM t1;
CREATE VIEW v5 AS SELECT WEIGHT_STRING(a AS BINARY(2)) AS b FROM t1;
CREATE VIEW v6 AS SELECT WEIGHT_STRING(a AS BINARY(6)) AS b FROM t1;
CREATE VIEW v7 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1 ASC) AS b FROM t1;
CREATE VIEW v8 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1 DESC) AS b FROM t1;
CREATE VIEW v9 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1,3 REVERSE) AS b FROM t1;
SHOW CREATE VIEW v1;
SHOW CREATE VIEW v2;
SHOW CREATE VIEW v3;
SHOW CREATE VIEW v4;
SHOW CREATE VIEW v5;
SHOW CREATE VIEW v6;
SHOW CREATE VIEW v7;
SHOW CREATE VIEW v8;
SHOW CREATE VIEW v9;
DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP VIEW v4;
DROP VIEW v5;
DROP VIEW v6;
DROP VIEW v7;
DROP VIEW v8;
DROP VIEW v9;
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10));
INSERT INTO t1 VALUES ('abcd');
INSERT INTO t1 VALUES ('dcba');
CREATE VIEW v1 AS SELECT WEIGHT_STRING(_latin1 'ab') AS b;
CREATE VIEW v2 AS SELECT WEIGHT_STRING(a) AS b FROM t1;
CREATE VIEW v3 AS SELECT WEIGHT_STRING(a AS CHAR(2)) AS b FROM t1;
CREATE VIEW v4 AS SELECT WEIGHT_STRING(a AS CHAR(6)) AS b FROM t1;
CREATE VIEW v5 AS SELECT WEIGHT_STRING(a AS BINARY(2)) AS b FROM t1;
CREATE VIEW v6 AS SELECT WEIGHT_STRING(a AS BINARY(6)) AS b FROM t1;
CREATE VIEW v7 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1 ASC) AS b FROM t1;
CREATE VIEW v8 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1 DESC) AS b FROM t1;
CREATE VIEW v9 AS SELECT WEIGHT_STRING(a AS CHAR(2) LEVEL 1 REVERSE) AS b FROM t1;
SHOW CREATE VIEW v1;
SHOW CREATE VIEW v2;
SHOW CREATE VIEW v3;
SHOW CREATE VIEW v4;
SHOW CREATE VIEW v5;
SHOW CREATE VIEW v6;
SHOW CREATE VIEW v7;
SHOW CREATE VIEW v8;
SHOW CREATE VIEW v9;
SELECT HEX(b) FROM v1;
SELECT HEX(WEIGHT_STRING(_latin1 'ab'));
SELECT HEX(b) FROM v2;
SELECT HEX(WEIGHT_STRING(a LEVEL 1)) FROM t1;
SELECT HEX(b) FROM v3;
SELECT HEX(WEIGHT_STRING(a AS CHAR(2) LEVEL 1)) FROM t1;
SELECT HEX(b) FROM v4;
SELECT HEX(WEIGHT_STRING(a AS CHAR(6) LEVEL 2)) FROM t1;
SELECT HEX(b) FROM v5;
SELECT HEX(WEIGHT_STRING(a AS BINARY(2))) FROM t1;
SELECT HEX(b) FROM v6;
SELECT HEX(WEIGHT_STRING(a AS BINARY(6))) FROM t1;
SELECT HEX(b) FROM v7;
SELECT HEX(WEIGHT_STRING(a AS CHAR(2) LEVEL 1 ASC)) FROM t1;
SELECT HEX(b) FROM v8;
SELECT HEX(WEIGHT_STRING(a AS CHAR(2) LEVEL 1 DESC)) FROM t1;
SELECT HEX(b) FROM v9;
SELECT HEX(WEIGHT_STRING(a AS CHAR(2) LEVEL 1 REVERSE)) FROM t1;
DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP VIEW v4;
DROP VIEW v5;
DROP VIEW v6;
DROP VIEW v7;
DROP VIEW v8;
DROP VIEW v9;
DROP TABLE t1;