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Bugfix for WHERE key=@a OR key=@b

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Docs/manual.texi:
  Changelog
sql/sql_select.cc:
  Cleanup
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unknown
2001-12-27 02:04:27 +02:00
parent 42c224c388
commit aa3bce07ab
6 changed files with 72 additions and 1 deletions
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13
mysql-test/t/variables.test
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@ -1,6 +1,7 @@
#
# test variables
#
drop table if exists t1;
set @`test`=1,@TEST=3,@select=2,@t5=1.23456;
select @test,@`select`,@TEST,@not_used;
set @test_int=10,@test_double=1e-10,@test_string="abcdeghi",@test_string2="abcdefghij",@select=NULL;
@ -14,3 +15,15 @@ select @test_int,@test_double,@test_string,@test_string2;
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
select @t5;
#
# Test problem with WHERE and variables
#
CREATE TABLE t1 (c_id INT(4) NOT NULL, c_name CHAR(20), c_country CHAR(3), PRIMARY KEY(c_id));
INSERT INTO t1 VALUES (1,'Bozo','USA'),(2,'Ronald','USA'),(3,'Kinko','IRE'),(4,'Mr. Floppy','GB');
SELECT @min_cid:=min(c_id), @max_cid:=max(c_id) from t1;
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid;
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid OR c_id=666;
ALTER TABLE t1 DROP PRIMARY KEY;
select * from t1 where c_id=@min_cid OR c_id=@max_cid;
drop table t1;