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Commit 2dc2098e authored by Igor Babaev's avatar Igor Babaev
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parents 1f70c2a6 66191ef0
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mysql-test/r/maria_mrr.result
View file @ 2dc2098e
......@@ -335,3 +335,110 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL PRIMARY,idx NULL NULL NULL 16 Using where; Using join buffer
1 SIMPLE t3 ref PRIMARY,idx idx 3 test.t2.v 2 Using index condition; Using where
DROP TABLE t1,t2,t3;
#
# Bug #669420: MRR for Range checked for each record
#
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES (10,3,8,'v'),(11,3,8,'f');
CREATE TABLE t2 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t2 VALUES (10,9,3,'i'),(11,101,186,'x'),(12,0,1,'g');
SET SESSION join_cache_level=0;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL i 4 NULL 2 Using index
1 SIMPLE t2 index i,vi vi 7 NULL 3 Using where; Using index
1 SIMPLE t3 ALL PRIMARY,vi NULL NULL NULL 3 Range checked for each record (index map: 0x5)
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
i i v pk v
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
8 3 i 10 i
8 3 i 11 x
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
8 3 i 10 i
8 3 i 11 x
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL i 4 NULL 2 Using index
1 SIMPLE t2 index i,vi vi 7 NULL 3 Using where; Using index; Using join buffer
1 SIMPLE t3 ALL PRIMARY,vi NULL NULL NULL 3 Range checked for each record (index map: 0x5)
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
i i v pk v
8 3 i 10 i
8 3 i 11 x
8 3 i 10 i
8 3 i 11 x
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1,t2;
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES
(10,3,8,'v'),(11,3,8,'f'),(12,3,5,'v'),(13,2,8,'s'),(14,1,8,'a'),
(15,0,6,'p'),(16,8,7,'z'),(17,5,2,'a'),(18,9,5,'h'),(19,5,7,'h'),
(20,4,2,'v'),(21,2,9,'v'),(22,33,142,'b'),(23,5,3,'y'),(24,1,0,'v'),
(25,9,3,'m'),(26,1,5,'z'),(27,3,9,'n'),(28,8,1,'d'),(29,231,107,'a');
SET SESSION join_cache_level = 0;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t ALL i NULL NULL NULL 20
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Range checked for each record (index map: 0x3)
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
f
142
142
107
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t ALL i NULL NULL NULL 20 Using temporary; Using filesort
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Range checked for each record (index map: 0x3)
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
f
107
142
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Using temporary; Using filesort
1 SIMPLE t ALL i NULL NULL NULL 20 Using where
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
f
107
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1;
mysql-test/t/maria_mrr.test
View file @ 2dc2098e
......@@ -51,3 +51,78 @@ EXPLAIN
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
DROP TABLE t1,t2,t3;
--echo #
--echo # Bug #669420: MRR for Range checked for each record
--echo #
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES (10,3,8,'v'),(11,3,8,'f');
CREATE TABLE t2 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t2 VALUES (10,9,3,'i'),(11,101,186,'x'),(12,0,1,'g');
SET SESSION join_cache_level=0;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1,t2;
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES
(10,3,8,'v'),(11,3,8,'f'),(12,3,5,'v'),(13,2,8,'s'),(14,1,8,'a'),
(15,0,6,'p'),(16,8,7,'z'),(17,5,2,'a'),(18,9,5,'h'),(19,5,7,'h'),
(20,4,2,'v'),(21,2,9,'v'),(22,33,142,'b'),(23,5,3,'y'),(24,1,0,'v'),
(25,9,3,'m'),(26,1,5,'z'),(27,3,9,'n'),(28,8,1,'d'),(29,231,107,'a');
SET SESSION join_cache_level = 0;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1;
storage/maria/ha_maria.cc
View file @ 2dc2098e
......@@ -2286,6 +2286,7 @@ int ha_maria::rnd_init(bool scan)
int ha_maria::rnd_end()
{
ds_mrr.dsmrr_close();
/* Safe to call even if we don't have started a scan */
maria_scan_end(file);
return 0;
......
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