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Merge neptunus.(none):/home/msvensson/mysql/bug7498/my50-bug7498

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into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint


sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
This commit is contained in:
unknown
2006-07-20 13:41:50 +02:00
parent 63a098f364 f067dfe1c6
commit 22a963080b
6 changed files with 88 additions and 11 deletions
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36
mysql-test/r/user_var.result
View File

@ -256,3 +256,39 @@ t1 CREATE TABLE `t1` (
`@first_var` longtext
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
set @a=18446744071710965857;
select @a;
@a
18446744071710965857
CREATE TABLE `bigfailure` (
`afield` BIGINT UNSIGNED NOT NULL
);
INSERT INTO `bigfailure` VALUES (18446744071710965857);
SELECT * FROM bigfailure;
afield
18446744071710965857
select * from (SELECT afield FROM bigfailure) as b;
afield
18446744071710965857
select * from bigfailure where afield = (SELECT afield FROM bigfailure);
afield
18446744071710965857
select * from bigfailure where afield = 18446744071710965857;
afield
18446744071710965857
select * from bigfailure where afield = 18446744071710965856+1;
afield
18446744071710965857
SET @a := (SELECT afield FROM bigfailure);
SELECT @a;
@a
18446744071710965857
SET @a := (select afield from (SELECT afield FROM bigfailure) as b);
SELECT @a;
@a
18446744071710965857
SET @a := (select * from bigfailure where afield = (SELECT afield FROM bigfailure));
SELECT @a;
@a
18446744071710965857
drop table bigfailure;

31
mysql-test/t/user_var.test
View File

@ -171,3 +171,34 @@ set @first_var= cast(NULL as CHAR);
create table t1 select @first_var;
show create table t1;
drop table t1;
#
# Bug #7498 User variable SET saves SIGNED BIGINT as UNSIGNED BIGINT
#
# First part, set user var to large number and select it
set @a=18446744071710965857;
select @a;
# Second part, set user var from large number in table
# then select it
CREATE TABLE `bigfailure` (
`afield` BIGINT UNSIGNED NOT NULL
);
INSERT INTO `bigfailure` VALUES (18446744071710965857);
SELECT * FROM bigfailure;
select * from (SELECT afield FROM bigfailure) as b;
select * from bigfailure where afield = (SELECT afield FROM bigfailure);
select * from bigfailure where afield = 18446744071710965857;
# This is fixed in 5.0, to be uncommented there
#select * from bigfailure where afield = '18446744071710965857';
select * from bigfailure where afield = 18446744071710965856+1;
SET @a := (SELECT afield FROM bigfailure);
SELECT @a;
SET @a := (select afield from (SELECT afield FROM bigfailure) as b);
SELECT @a;
SET @a := (select * from bigfailure where afield = (SELECT afield FROM bigfailure));
SELECT @a;
drop table bigfailure;