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#
# MDEV-13115 Implement SKIP LOCKED
#
--source include/have_innodb.inc
connect (con1,localhost,root,,);
SET SESSION innodb_lock_wait_timeout=1;
connection default;
SET SESSION innodb_lock_wait_timeout=1;
--echo # Case 1: Test primary index - CREATE TABLE .. SELECT .. SKIP LOCKED
CREATE TABLE t1(
seat_id INT,
state INT,
PRIMARY KEY(seat_id)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1,0), (2,0), (3,0), (4,0);
BEGIN;
SELECT * FROM t1 WHERE state = 0 LIMIT 2 LOCK IN SHARE MODE;
connection con1;
BEGIN;
CREATE TEMPORARY TABLE s0 AS SELECT * FROM t1 WHERE state = 0 LIMIT 2 LOCK IN SHARE MODE;
SELECT * FROM s0;
CREATE TEMPORARY TABLE s1 AS SELECT * FROM t1 WHERE state = 0 LIMIT 2 FOR UPDATE SKIP LOCKED;
SELECT * FROM s1;
connection default;
CREATE TEMPORARY TABLE s0 AS SELECT * FROM t1 WHERE state = 0 LOCK IN SHARE MODE SKIP LOCKED;
SELECT * FROM s0;
COMMIT;
DROP TABLE s0;
connection con1;
COMMIT;
DROP TABLE s0, s1;
connection default;
--echo # Case 2: Test primary index - INSERT .. SELECT .. SKIP LOCKED
CREATE TABLE t2 LIKE t1;
BEGIN;
SELECT * FROM t1 WHERE state = 0 LIMIT 2 LOCK IN SHARE MODE;
connection con1;
BEGIN;
INSERT INTO t2 SELECT * FROM t1 WHERE state = 0 LIMIT 2 LOCK IN SHARE MODE RETURNING seat_id, state;
CREATE TEMPORARY TABLE t2s LIKE t1;
INSERT INTO t2s SELECT * FROM t1 WHERE state = 0 LIMIT 2 FOR UPDATE SKIP LOCKED RETURNING seat_id, state;
connection default;
CREATE TEMPORARY TABLE t2s LIKE t1;
INSERT INTO t2s SELECT * FROM t1 WHERE state = 0 LOCK IN SHARE MODE SKIP LOCKED RETURNING seat_id, state;
COMMIT;
DROP TABLE t2s;
connection con1;
COMMIT;
DROP TABLE t2s;
DROP TABLE t2;
connection default;
DROP TABLE t1;
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