@@ -77,10 +77,9 @@ ERROR HY000: Incorrect usage of PROCEDURE and subquery
SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE((SELECT 1));
ERROR HY000: Incorrect parameters to procedure 'ANALYSE'
SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NULL;
a
ERROR 42S22: Unknown column 'a' in 'field list'
SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NOT NULL;
a
1
ERROR 42S22: Unknown column 'a' in 'field list'
SELECT (SELECT 1,2,3) = ROW(1,2,3);
(SELECT 1,2,3) = ROW(1,2,3)
1
...
...
@@ -2304,24 +2303,27 @@ drop table t1,t2;
CREATE TABLE t1 ( a int, b int );
CREATE TABLE t2 ( c int, d int );
INSERT INTO t1 VALUES (1,2), (2,3), (3,4);
SELECT a AS abc, b FROM t1 WHERE b = (SELECT MIN(b) FROM t1 WHERE a=abc);
SELECT a AS abc, b FROM t1 outr WHERE b =
(SELECT MIN(b) FROM t1 WHERE a=outr.a);
abc b
1 2
2 3
3 4
INSERT INTO t2 SELECT a AS abc, b FROM t1 WHERE b = (SELECT MIN(b) FROM t1 WHERE a=abc);
INSERT INTO t2 SELECT a AS abc, b FROM t1 outr WHERE b =
(SELECT MIN(b) FROM t1 WHERE a=outr.a);
select * from t2;
c d
1 2
2 3
3 4
CREATE TABLE t3 SELECT a AS abc, b FROM t1 WHERE b = (SELECT MIN(b) FROM t1 WHERE a=abc);
CREATE TABLE t3 SELECT a AS abc, b FROM t1 outr WHERE b =
(SELECT MIN(b) FROM t1 WHERE a=outr.a);
select * from t3;
abc b
1 2
2 3
3 4
prepare stmt1 from "INSERT INTO t2 SELECT a AS abc, b FROM t1 WHERE b = (SELECT MIN(b) FROM t1 WHERE a=abc);";
prepare stmt1 from "INSERT INTO t2 SELECT a AS abc, b FROM t1 outr WHERE b = (SELECT MIN(b) FROM t1 WHERE a=outr.a);";
execute stmt1;
deallocate prepare stmt1;
select * from t2;
...
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@@ -2333,7 +2335,7 @@ c d
2 3
3 4
drop table t3;
prepare stmt1 from "CREATE TABLE t3 SELECT a AS abc, b FROM t1 WHERE b = (SELECT MIN(b) FROM t1 WHERE a=abc);";
prepare stmt1 from "CREATE TABLE t3 SELECT a AS abc, b FROM t1 outr WHERE b = (SELECT MIN(b) FROM t1 WHERE a=outr.a);";
execute stmt1;
select * from t3;
abc b
...
...
@@ -2515,7 +2517,9 @@ INSERT INTO t1 VALUES ('ASM','American Samoa','Oceania','Polynesia',199.00,0,680
INSERT INTO t1 VALUES ('ATF','French Southern territories','Antarctica','Antarctica',7780.00,0,0,NULL,0.00,NULL,'Terres australes françaises','Nonmetropolitan Territory of France','Jacques Chirac',NULL,'TF');
INSERT INTO t1 VALUES ('UMI','United States Minor Outlying Islands','Oceania','Micronesia/Caribbean',16.00,0,0,NULL,0.00,NULL,'United States Minor Outlying Islands','Dependent Territory of the US','George W. Bush',NULL,'UM');
/*!40000 ALTER TABLE t1 ENABLE KEYS */;
SELECT DISTINCT Continent AS c FROM t1 WHERE Code <> SOME ( SELECT Code FROM t1 WHERE Continent = c AND Population < 200);
SELECT DISTINCT Continent AS c FROM t1 outr WHERE
Code <> SOME ( SELECT Code FROM t1 WHERE Continent = outr.Continent AND
Population < 200);
c
Oceania
drop table t1;
...
...
@@ -4328,6 +4332,31 @@ id select_type table type possible_keys key key_len ref rows Extra
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1 WHERE LENGTH(a)<500);
a b
DROP TABLE t1,t2;
CREATE TABLE t1(a INT, b INT);
INSERT INTO t1 VALUES (1,1), (1,2), (2,3), (2,4);
EXPLAIN
SELECT a AS out_a, MIN(b) FROM t1
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = out_a)
GROUP BY a;
ERROR 42S22: Unknown column 'out_a' in 'where clause'
SELECT a AS out_a, MIN(b) FROM t1
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = out_a)
GROUP BY a;
ERROR 42S22: Unknown column 'out_a' in 'where clause'
EXPLAIN
SELECT a AS out_a, MIN(b) FROM t1 t1_outer
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = t1_outer.a)
GROUP BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1_outer ALL NULL NULL NULL NULL 4 Using where; Using temporary; Using filesort
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 4 Using where
SELECT a AS out_a, MIN(b) FROM t1 t1_outer
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = t1_outer.a)
GROUP BY a;
out_a MIN(b)
1 2
2 4
DROP TABLE t1;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
INSERT INTO t1 VALUES (1),(2);
...
...
@@ -4338,9 +4367,9 @@ SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
2
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where exists(select 1 AS `1` from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`))
