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-rw-r--r--mysql-test/r/group_by.result29
1 files changed, 23 insertions, 6 deletions
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result
index 2621f69da06..c1c14452bc2 100644
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@@ -1543,8 +1543,8 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
-1 PRIMARY t1 index NULL PRIMARY 4 NULL 144 Using where; Using index
-2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 144 Using where
+1 PRIMARY t1 index PRIMARY,i2 PRIMARY 4 NULL 144 Using index
+1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1)
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
@@ -1556,8 +1556,8 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT 1 FROM t2 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
-1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
-2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 144 Using where
+1 PRIMARY t2 index a a 5 NULL 4 Using index
+1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t2)
SHOW VARIABLES LIKE 'old';
Variable_name Value
old OFF
@@ -1743,7 +1743,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
-Note 1003 select (select `test`.`t1`.`a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by ((select `test`.`t1`.`a`) + 0)
+Note 1003 select <expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by (<expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) + 0)
EXPLAIN EXTENDED
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -1751,7 +1751,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
-Note 1003 select (select `test`.`t1`.`a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -((select `test`.`t1`.`a`))
+Note 1003 select <expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -(<expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)))
# should return only one record
SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
GROUP BY aa;
@@ -1810,6 +1810,23 @@ SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
MAX(t2.a)
2
DROP TABLE t1, t2;
+CREATE TABLE t1 (a int(11) NOT NULL);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (
+key_col int(11) NOT NULL,
+KEY (key_col)
+);
+INSERT INTO t2 VALUES (1),(2);
+select min(t2.key_col) from t1,t2 where t1.a=1;
+min(t2.key_col)
+1
+select min(t2.key_col) from t1,t2 where t1.a > 1000;
+min(t2.key_col)
+NULL
+select min(t2.key_col)+1 from t1,t2 where t1.a> 1000;
+min(t2.key_col)+1
+NULL
+drop table t1,t2;
#
# Bug#55188: GROUP BY, GROUP_CONCAT and TEXT - inconsistent results
#