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Merge rurik.mysql.com:/home/igor/mysql-5.0

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into rurik.mysql.com:/home/igor/dev/mysql-5.0-0
This commit is contained in:
igor@rurik.mysql.com 2005-06-28 10:40:29 -07:00
commit 89cabf04ba
3 changed files with 53 additions and 5 deletions
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24
mysql-test/r/range.result
View File

@ -720,3 +720,27 @@ id status
59 C
60 C
DROP TABLE t1;
CREATE TABLE t1 (a int, b int, primary key(a,b));
INSERT INTO t1 VALUES
(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(4,1),(4,2),(4,3);
CREATE VIEW v1 as SELECT a,b FROM t1 WHERE b=3;
EXPLAIN SELECT a,b FROM t1 WHERE a < 2 and b=3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using where; Using index
EXPLAIN SELECT a,b FROM v1 WHERE a < 2 and b=3;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range PRIMARY PRIMARY 4 NULL 4 Using where; Using index
EXPLAIN SELECT a,b FROM t1 WHERE a < 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using where; Using index
EXPLAIN SELECT a,b FROM v1 WHERE a < 2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range PRIMARY PRIMARY 4 NULL 4 Using where; Using index
SELECT a,b FROM t1 WHERE a < 2 and b=3;
a b
1 3
SELECT a,b FROM v1 WHERE a < 2 and b=3;
a b
1 3
DROP VIEW v1;
DROP TABLE t1;

23
mysql-test/t/range.test
View File

@ -530,3 +530,26 @@ SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
DROP TABLE t1;
#
# Test for bug #10031: range to be used over a view
#
CREATE TABLE t1 (a int, b int, primary key(a,b));
INSERT INTO t1 VALUES
(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(4,1),(4,2),(4,3);
CREATE VIEW v1 as SELECT a,b FROM t1 WHERE b=3;
EXPLAIN SELECT a,b FROM t1 WHERE a < 2 and b=3;
EXPLAIN SELECT a,b FROM v1 WHERE a < 2 and b=3;
EXPLAIN SELECT a,b FROM t1 WHERE a < 2;
EXPLAIN SELECT a,b FROM v1 WHERE a < 2;
SELECT a,b FROM t1 WHERE a < 2 and b=3;
SELECT a,b FROM v1 WHERE a < 2 and b=3;
DROP VIEW v1;
DROP TABLE t1;

11
sql/opt_range.cc
View File

@ -3581,15 +3581,16 @@ static SEL_TREE *get_mm_tree(PARAM *param,COND *cond)
DBUG_RETURN(ftree);
}
default:
if (cond_func->arguments()[0]->type() == Item::FIELD_ITEM)
if (cond_func->arguments()[0]->real_item()->type() == Item::FIELD_ITEM)
{
field_item= (Item_field*) (cond_func->arguments()[0]);
field_item= (Item_field*) (cond_func->arguments()[0]->real_item());
value= cond_func->arg_count > 1 ? cond_func->arguments()[1] : 0;
}
else if (cond_func->have_rev_func() &&
cond_func->arguments()[1]->type() == Item::FIELD_ITEM)
cond_func->arguments()[1]->real_item()->type() ==
Item::FIELD_ITEM)
{
field_item= (Item_field*) (cond_func->arguments()[1]);
field_item= (Item_field*) (cond_func->arguments()[1]->real_item());
value= cond_func->arguments()[0];
}
else
@ -3610,7 +3611,7 @@ static SEL_TREE *get_mm_tree(PARAM *param,COND *cond)
for (uint i= 0; i < cond_func->arg_count; i++)
{
Item *arg= cond_func->arguments()[i];
Item *arg= cond_func->arguments()[i]->real_item();
if (arg != field_item)
ref_tables|= arg->used_tables();
}