# # Bug#69122 - INNODB DOESN'T REDO-LOG INSERT BUFFER MERGE # OPERATION IF IT IS DONE IN-PLACE # CREATE TABLE t1( a INT AUTO_INCREMENT PRIMARY KEY, b CHAR(1), c INT, INDEX(b)) ENGINE=InnoDB STATS_PERSISTENT=0; SET GLOBAL innodb_change_buffering_debug = 1; INSERT INTO t1 VALUES(0,'x',1); INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; INSERT INTO t1 SELECT 0,b,c FROM t1; BEGIN; SELECT b FROM t1 LIMIT 3; b x x x BEGIN; DELETE FROM t1 WHERE a=1; INSERT INTO t1 VALUES(1,'X',1); SET DEBUG='+d,crash_after_log_ibuf_upd_inplace'; SELECT b FROM t1 LIMIT 3; ERROR HY000: Lost connection to MySQL server during query CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK DROP TABLE t1;