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MDEV-15941 Explicit cursor FOR loop does not close the cursor

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This commit is contained in:
Alexander Barkov
2018-06-20 13:29:11 +04:00
parent b534a7b89e
commit 9c53cbdd88
11 changed files with 427 additions and 64 deletions
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73
mysql-test/main/sp-cursor.result
View File

@ -611,3 +611,76 @@ a b
a b
2 b2
DROP TABLE t1;
#
# MDEV-15941 Explicit cursor FOR loop does not close the cursor
#
BEGIN NOT ATOMIC
DECLARE v INT;
DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
FOR rec IN cur
DO
SELECT rec.a;
END FOR;
FETCH cur INTO v;
END;
$$
rec.a
1
ERROR 24000: Cursor is not open
BEGIN NOT ATOMIC
DECLARE v INT;
DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
label:
FOR rec IN cur
DO
SELECT rec.a;
END FOR;
FETCH cur INTO v;
END;
$$
rec.a
1
ERROR 24000: Cursor is not open
BEGIN NOT ATOMIC
DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
OPEN cur;
FOR rec IN cur DO
SELECT rec.a;
END FOR;
END;
$$
ERROR 24000: Cursor is already open
BEGIN NOT ATOMIC
DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
FOR rec IN cur
DO
SELECT rec.a;
END FOR;
FOR rec IN cur
DO
SELECT rec.a;
END FOR;
END;
$$
rec.a
1
rec.a
1
BEGIN NOT ATOMIC
DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
label1:
FOR rec IN cur
DO
SELECT rec.a;
END FOR;
label2:
FOR rec IN cur
DO
SELECT rec.a;
END FOR;
END;
$$
rec.a
1
rec.a
1