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#
# Check concurrent locking issues:
# After creating a snapshot, other clients updating rows
#
# To call this, set $isolation_level and call this file
#
# let $isolation_level = REPEATABLE READ;
# --source suite/rocksdb/include/locking_issues_case3.inc
#
--echo
--echo -----------------------------------------------------------------------
--echo - Locking issues case 3:
--echo - After creating a snapshot, other clients updating rows
--echo - using $isolation_level transaction isolation level
--echo -----------------------------------------------------------------------
--disable_warnings
DROP TABLE IF EXISTS t0;
--enable_warnings
CREATE TABLE t0(id INT AUTO_INCREMENT PRIMARY KEY, value INT);
# Insert 200,000 rows, breaking it up into inserts of 1000 rows at a time
--echo Inserting 200,000 rows
--disable_query_log
SET @save_rocksdb_bulk_load=@@rocksdb_bulk_load;
SET rocksdb_bulk_load=1;
SET @save_rocksdb_write_disable_wal=@@rocksdb_write_disable_wal;
SET GLOBAL rocksdb_write_disable_wal=1;
let $i = 1;
while ($i <= 200) {
eval BEGIN;
let $j = 1;
while ($j <= 100) {
eval INSERT INTO t0(value) VALUES (0),(0),(0),(0),(0),(0),(0),(0),(0),(0);
inc $j;
}
eval COMMIT;
inc $i;
}
SET rocksdb_bulk_load=@save_rocksdb_bulk_load;
SET GLOBAL rocksdb_write_disable_wal=@save_rocksdb_write_disable_wal;
--enable_query_log
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
connection con1;
eval SET SESSION TRANSACTION ISOLATION LEVEL $isolation_level;
let $ID = `SELECT connection_id()`;
send SELECT * FROM t0 WHERE value > 0 FOR UPDATE;
connection con2;
let $wait_condition = SELECT 1 FROM information_schema.processlist
WHERE id = $ID AND state = "Sending data";
--source include/wait_condition.inc
eval SET SESSION TRANSACTION ISOLATION LEVEL $isolation_level;
UPDATE t0 SET VALUE=VALUE+1 WHERE id=190000;
connection con1;
--error 0,ER_LOCK_DEADLOCK
reap;
--echo ERROR: $mysql_errno
connection default;
disconnect con1;
disconnect con2;
DROP TABLE t0;
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