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--source include/have_innodb.inc # innodb_change_buffering_debug option is debug only --source include/have_debug.inc # Embedded server does not support crashing --source include/not_embedded.inc call mtr.add_suppression("InnoDB: Failed to find tablespace for table .* in the cache. Attempting to load the tablespace with space id"); CREATE TABLE t1( a INT AUTO_INCREMENT PRIMARY KEY, b CHAR(1), c INT, INDEX(b)) ENGINE=InnoDB STATS_PERSISTENT=0; # The flag innodb_change_buffering_debug is only available in debug builds. # It instructs InnoDB to try to evict pages from the buffer pool when # change buffering is possible, so that the change buffer will be used # whenever possible. SET GLOBAL innodb_change_buffering_debug = 1; # Create enough rows for the table, so that the change buffer will be # used for modifying the secondary index page. There must be multiple # index pages, because changes to the root page are never buffered. 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; let $restart_parameters = restart: --innodb-force-recovery=6; --source include/restart_mysqld.inc --error ER_CANT_LOCK insert into t1 values(0, 'y', 1); let $restart_parameters = restart; --source include/restart_mysqld.inc # Cleanup DROP TABLE t1;