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Merge ibabaev@bk-internal.mysql.com:/home/bk/mysql-5.0

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into  rurik.mysql.com:/home/igor/mysql-5.0
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2005-11-26 13:54:21 -08:00
parent 06887bc330 2385253ad8
commit b75e21fa97
3 changed files with 92 additions and 1 deletions
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46
mysql-test/r/select.result
View File

@ -3291,3 +3291,49 @@ f1 f2 x1
30 1 30
drop table t1;
drop view v1, v2, v3;
CREATE TABLE t1(key_a int4 NOT NULL, optimus varchar(32), PRIMARY KEY(key_a));
CREATE TABLE t2(key_a int4 NOT NULL, prime varchar(32), PRIMARY KEY(key_a));
CREATE table t3(key_a int4 NOT NULL, key_b int4 NOT NULL, foo varchar(32),
PRIMARY KEY(key_a,key_b));
INSERT INTO t1 VALUES (0,'');
INSERT INTO t1 VALUES (1,'i');
INSERT INTO t1 VALUES (2,'j');
INSERT INTO t1 VALUES (3,'k');
INSERT INTO t2 VALUES (1,'r');
INSERT INTO t2 VALUES (2,'s');
INSERT INTO t2 VALUES (3,'t');
INSERT INTO t3 VALUES (1,5,'x');
INSERT INTO t3 VALUES (1,6,'y');
INSERT INTO t3 VALUES (2,5,'xx');
INSERT INTO t3 VALUES (2,6,'yy');
INSERT INTO t3 VALUES (2,7,'zz');
INSERT INTO t3 VALUES (3,5,'xxx');
SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t1.key_a = t2.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
key_a foo
2 xx
EXPLAIN SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t1.key_a = t2.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE t3 const PRIMARY PRIMARY 8 const,const 1
SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t2.key_a = t1.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
key_a foo
2 xx
EXPLAIN SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t2.key_a = t1.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE t3 const PRIMARY PRIMARY 8 const,const 1
DROP TABLE t1,t2,t3;

45
mysql-test/t/select.test
View File

@ -2760,3 +2760,48 @@ select f1, f2, v2.f1 as x1 from v2 order by v2.f1;
select f1, f2, v3.f1 as x1 from v3 order by v3.f1;
drop table t1;
drop view v1, v2, v3;
#
# Bug #15106: lost equality predicate of the form field=const in a join query
#
CREATE TABLE t1(key_a int4 NOT NULL, optimus varchar(32), PRIMARY KEY(key_a));
CREATE TABLE t2(key_a int4 NOT NULL, prime varchar(32), PRIMARY KEY(key_a));
CREATE table t3(key_a int4 NOT NULL, key_b int4 NOT NULL, foo varchar(32),
PRIMARY KEY(key_a,key_b));
INSERT INTO t1 VALUES (0,'');
INSERT INTO t1 VALUES (1,'i');
INSERT INTO t1 VALUES (2,'j');
INSERT INTO t1 VALUES (3,'k');
INSERT INTO t2 VALUES (1,'r');
INSERT INTO t2 VALUES (2,'s');
INSERT INTO t2 VALUES (3,'t');
INSERT INTO t3 VALUES (1,5,'x');
INSERT INTO t3 VALUES (1,6,'y');
INSERT INTO t3 VALUES (2,5,'xx');
INSERT INTO t3 VALUES (2,6,'yy');
INSERT INTO t3 VALUES (2,7,'zz');
INSERT INTO t3 VALUES (3,5,'xxx');
SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t1.key_a = t2.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
EXPLAIN SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t1.key_a = t2.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t2.key_a = t1.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
EXPLAIN SELECT t2.key_a,foo
FROM t1 INNER JOIN t2 ON t2.key_a = t1.key_a
INNER JOIN t3 ON t1.key_a = t3.key_a
WHERE t2.key_a=2 and key_b=5;
DROP TABLE t1,t2,t3;