mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 12:32:27 +01:00
a69ca6dc99
into mysql.com:/home/jimw/my/mysql-4.1-clean sql/item_func.cc: Auto merged sql/sql_parse.cc: Auto merged mysql-test/t/user_var.test: Resolve conflict
144 lines
4.1 KiB
Text
144 lines
4.1 KiB
Text
# Initialise
|
|
--disable_warnings
|
|
drop table if exists t1,t2;
|
|
--enable_warnings
|
|
|
|
--error 1054
|
|
set @a := foo;
|
|
set @a := connection_id() + 3;
|
|
select @a - connection_id();
|
|
|
|
set @b := 1;
|
|
select @b;
|
|
|
|
# Check using and setting variables with SELECT DISTINCT
|
|
|
|
CREATE TABLE t1 ( i int not null, v int not null,index (i));
|
|
insert into t1 values (1,1),(1,3),(2,1);
|
|
create table t2 (i int not null, unique (i));
|
|
insert into t2 select distinct i from t1;
|
|
select * from t2;
|
|
select distinct t2.i,@vv1:=if(sv1.i,1,0),@vv2:=if(sv2.i,1,0),@vv3:=if(sv3.i,1,0), @vv1+@vv2+@vv3 from t2 left join t1 as sv1 on sv1.i=t2.i and sv1.v=1 left join t1 as sv2 on sv2.i=t2.i and sv2.v=2 left join t1 as sv3 on sv3.i=t2.i and sv3.v=3;
|
|
explain select * from t1 where i=@vv1;
|
|
explain select * from t1 where @vv1:=@vv1+1 and i=@vv1;
|
|
explain select @vv1:=i from t1 where i=@vv1;
|
|
explain select * from t1 where i=@vv1;
|
|
drop table t1,t2;
|
|
|
|
# Check types of variables
|
|
set @a=0,@b=0;
|
|
select @a:=10, @b:=1, @a > @b, @a < @b;
|
|
# Note that here a and b will be avaluated as number
|
|
select @a:="10", @b:="1", @a > @b, @a < @b;
|
|
# Note that here a and b will be avaluated as strings
|
|
select @a:=10, @b:=2, @a > @b, @a < @b;
|
|
select @a:="10", @b:="2", @a > @b, @a < @b;
|
|
|
|
# Fixed bug #1194
|
|
select @a:=1;
|
|
select @a, @a:=1;
|
|
|
|
create table t1 (id int, d double, c char(10));
|
|
insert into t1 values (1,2.0, "test");
|
|
select @c:=0;
|
|
update t1 SET id=(@c:=@c+1);
|
|
select @c;
|
|
select @c:=0;
|
|
update t1 set id=(@c:=@c+1);
|
|
select @c;
|
|
select @c:=0;
|
|
select @c:=@c+1;
|
|
select @d,(@d:=id),@d from t1;
|
|
select @e,(@e:=d),@e from t1;
|
|
select @f,(@f:=c),@f from t1;
|
|
set @g=1;
|
|
select @g,(@g:=c),@g from t1;
|
|
select @c, @d, @e, @f;
|
|
select @d:=id, @e:=id, @f:=id, @g:=@id from t1;
|
|
select @c, @d, @e, @f, @g;
|
|
drop table t1;
|
|
|
|
# just for fun :)
|
|
select @a:=10, @b:=2, @a>@b, @a:="10", @b:="2", @a>@b, @a:=10, @b:=2, @a>@b, @a:="10", @b:="2", @a>@b;
|
|
|
|
#
|
|
# bug#1739
|
|
# Item_func_set_user_var sets update_query_id, Item_func_get_user_var checks it
|
|
#
|
|
create table t1 (i int not null);
|
|
insert t1 values (1),(2),(2),(3),(3),(3);
|
|
select @a:=0; select @a, @a:=@a+count(*), count(*), @a from t1 group by i;
|
|
select @a:=0; select @a+0, @a:=@a+0+count(*), count(*), @a+0 from t1 group by i;
|
|
drop table t1;
|
|
|
|
#
|
|
# Bug #2244: User variables didn't copy collation and derivation
|
|
# attributes from values they were initialized to.
|
|
#
|
|
|
|
set @a=_latin2'test';
|
|
select charset(@a),collation(@a),coercibility(@a);
|
|
select @a=_latin2'TEST';
|
|
select @a=_latin2'TEST' collate latin2_bin;
|
|
|
|
set @a=_latin2'test' collate latin2_general_ci;
|
|
select charset(@a),collation(@a),coercibility(@a);
|
|
select @a=_latin2'TEST';
|
|
select @a=_latin2'TEST' collate latin2_bin;
|
|
|
|
#
|
|
# Check the same invoking Item_set_user_var
|
|
#
|
|
select charset(@a:=_latin2'test');
|
|
select collation(@a:=_latin2'test');
|
|
select coercibility(@a:=_latin2'test');
|
|
select collation(@a:=_latin2'test' collate latin2_bin);
|
|
select coercibility(@a:=_latin2'test' collate latin2_bin);
|
|
select (@a:=_latin2'test' collate latin2_bin) = _latin2'TEST';
|
|
select charset(@a),collation(@a),coercibility(@a);
|
|
select (@a:=_latin2'test' collate latin2_bin) = _latin2'TEST' collate latin2_general_ci;
|
|
|
|
#
|
|
# Bug #6321 strange error:
|
|
# string function FIELD(<uservariable content NULL>, ...)
|
|
#
|
|
set @var= NULL ;
|
|
select FIELD( @var,'1it','Hit') as my_column;
|
|
|
|
#
|
|
# Bug#9425 A user variable doesn't always have implicit coercibility
|
|
#
|
|
select @v, coercibility(@v);
|
|
set @v1=null, @v2=1, @v3=1.1, @v4=now();
|
|
select coercibility(@v1),coercibility(@v2),coercibility(@v3),coercibility(@v4);
|
|
|
|
#
|
|
# Bug #9286 SESSION/GLOBAL should be disallowed for user variables
|
|
#
|
|
--error 1064
|
|
set session @honk=99;
|
|
--error 1105
|
|
set one_shot @honk=99;
|
|
|
|
#
|
|
# Bug #10724 @@local not preserved in column name of select
|
|
#
|
|
# The value doesn't actually matter, we just care about the column name
|
|
--replace_column 1 #
|
|
select @@local.max_allowed_packet;
|
|
--replace_column 1 #
|
|
select @@session.max_allowed_packet;
|
|
--replace_column 1 #
|
|
select @@global.max_allowed_packet;
|
|
--replace_column 1 #
|
|
select @@max_allowed_packet;
|
|
--replace_column 1 #
|
|
select @@Max_Allowed_Packet;
|
|
--replace_column 1 #
|
|
select @@version;
|
|
--replace_column 1 #
|
|
select @@global.version;
|
|
--replace_column 1 #
|
|
select @@session.VERSION;
|
|
|
|
# End of 4.1 tests
|