~drizzle-trunk/drizzle/development

--disable_warnings

drop table if exists t1;

--enable_warnings

#

# 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;

show create table t1;

drop table t1;

create table t1 select weight_string(repeat('t',66000)) as w;

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'));

#

# 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;