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BUG#11763382 Assertion 'inited==INDEX' on SELECT MAX(...) CREATE TABLE t(i INT NOT NULL PRIMARY KEY, f INT) ENGINE = InnoDB; INSERT INTO t VALUES (1,1),(2,2); BEGIN; UPDATE t SET f=100 WHERE i=2; set optimizer_switch='semijoin=off,subquery_materialization_cost_based=off'; SET DEBUG_SYNC='before_index_end_in_subselect WAIT_FOR callit'; SELECT f FROM t WHERE i IN ( SELECT i FROM t ); SELECT MAX(i) FROM t FOR UPDATE; SELECT MAX(i) FROM t FOR UPDATE; SET DEBUG_SYNC='now SIGNAL callit'; COMMIT; f 1 2 SET DEBUG_SYNC='RESET'; MAX(i) 2 MAX(i) 2 DROP TABLE t; # End of BUG#56080 # # Bug #13536661: VALGRIND: DEFINITELY LOST: 552 BYTES IN 1 BLOCKS IN # CREATE_TMP_TABLE AND HIGHER # CREATE TABLE t1 ( a INT, b INT ); INSERT INTO t1 VALUES (4, 40), (1, 10), (2, 20), (2, 20), (3, 30); SET debug_sync = "tmp_table_created SIGNAL parked WAIT_FOR go"; # This should not leak memory. SELECT b, COUNT(DISTINCT b) FROM t1 GROUP BY b ORDER BY -b; SET debug_sync = "now WAIT_FOR parked"; # Set locally to shadow the global variable. SET debug = ''; SET GLOBAL debug = '+d,simulate_out_of_memory'; SET debug_sync = "now SIGNAL go"; ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space SET GLOBAL debug = ''; DROP TABLE t1;