EVOLUTION-MANAGER

Edit File: select_lock_in_share_mode.test

--source include/have_rocksdb.inc

#
# SELECT .. LOCK IN SHARE MODE 
#
# If the engine has its own lock timeouts, 
# it makes sense to set them to minimum to decrease
# the duration of the test.

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

--enable_connect_log

--source include/count_sessions.inc

CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'a');

--connect (con1,localhost,root,,)
BEGIN;
--sorted_result
SELECT a,b FROM t1 WHERE b='a' LOCK IN SHARE MODE;

--connection default
SET lock_wait_timeout = 1;

# Should still be able to select

--sorted_result
SELECT a,b FROM t1 WHERE b='a';
--sorted_result
SELECT a,b FROM t1 WHERE b='a' LOCK IN SHARE MODE;

--error ER_LOCK_WAIT_TIMEOUT
UPDATE t1 SET b='c' WHERE b='a';

--connection con1
COMMIT;
--sorted_result
SELECT a,b FROM t1;

--disconnect con1
--connection default
# Now it can be updated all right
UPDATE t1 SET b='c' WHERE b='a';  
--sorted_result
SELECT a,b FROM t1;

DROP TABLE t1;

--source include/wait_until_count_sessions.inc