File: lock_s_to_implicit_x_escalation.result

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file content (19 lines) | stat: -rw-r--r-- 485 bytes parent folder | download 
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CREATE TABLE t1 (id INT PRIMARY KEY);
INSERT INTO t1 VALUES (1);
BEGIN;
SELECT * FROM t1;
id
1
DELETE FROM t1 WHERE id=1;
BEGIN;
SELECT * FROM t1 FOR SHARE;
id
BEGIN;
SET DEBUG_SYNC = "lock_wait_will_wait SIGNAL con2_will_wait";
SELECT * FROM t1 FOR UPDATE;
SET DEBUG_SYNC = "now WAIT_FOR con2_will_wait";
INSERT INTO t1 VALUES (1);
SET DEBUG_SYNC = "lock_wait_will_wait SIGNAL con3_will_wait";
INSERT INTO t1 VALUES (0);
SET DEBUG_SYNC = "now WAIT_FOR con3_will_wait";
DROP TABLE t1;