Merge 10.0 into 10.1

mysql-test/suite/innodb/r/recovery_shutdown.result

@@ -0,0 +1,56 @@
+#
+# MDEV-13797 InnoDB may hang if shutdown is initiated soon after startup
+# while rolling back recovered incomplete transactions
+#
+CREATE TABLE t (a INT) ENGINE=InnoDB;
+BEGIN;
+COMMIT;
+CREATE TABLE t8 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t8 (a) SELECT NULL FROM t;
+UPDATE t8 SET a=a+100, b=a;
+DELETE FROM t8;
+CREATE TABLE t7 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t7 (a) SELECT NULL FROM t;
+UPDATE t7 SET a=a+100, b=a;
+DELETE FROM t7;
+CREATE TABLE t6 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t6 (a) SELECT NULL FROM t;
+UPDATE t6 SET a=a+100, b=a;
+DELETE FROM t6;
+CREATE TABLE t5 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t5 (a) SELECT NULL FROM t;
+UPDATE t5 SET a=a+100, b=a;
+DELETE FROM t5;
+CREATE TABLE t4 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t4 (a) SELECT NULL FROM t;
+UPDATE t4 SET a=a+100, b=a;
+DELETE FROM t4;
+CREATE TABLE t3 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t3 (a) SELECT NULL FROM t;
+UPDATE t3 SET a=a+100, b=a;
+DELETE FROM t3;
+CREATE TABLE t2 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t2 (a) SELECT NULL FROM t;
+UPDATE t2 SET a=a+100, b=a;
+DELETE FROM t2;
+CREATE TABLE t1 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+INSERT INTO t1 (a) SELECT NULL FROM t;
+UPDATE t1 SET a=a+100, b=a;
+DELETE FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+SET GLOBAL innodb_flush_log_at_trx_commit=1;
+CREATE TABLE u(a SERIAL) ENGINE=INNODB;
+# Kill and restart
+DROP TABLE t,u;

mysql-test/suite/innodb/t/recovery_shutdown.test

@@ -0,0 +1,57 @@
+--source include/have_innodb.inc
+--source include/not_embedded.inc
+
+--echo #
+--echo # MDEV-13797 InnoDB may hang if shutdown is initiated soon after startup
+--echo # while rolling back recovered incomplete transactions
+--echo #
+
+CREATE TABLE t (a INT) ENGINE=InnoDB;
+let $size = 100;
+let $trx = 8;
+let $c = $size;
+BEGIN;
+--disable_query_log
+while ($c) {
+INSERT INTO t VALUES();
+dec $c;
+}
+--enable_query_log
+COMMIT;
+
+let $c = $trx;
+while ($c)
+{
+connect (con$c,localhost,root,,);
+eval CREATE TABLE t$c (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
+BEGIN;
+eval INSERT INTO t$c (a) SELECT NULL FROM t;
+eval UPDATE t$c SET a=a+$size, b=a;
+eval DELETE FROM t$c;
+dec $c;
+}
+
+INSERT INTO t1(a) SELECT NULL FROM t;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+INSERT INTO t1(a) SELECT NULL FROM t1;
+
+--connection default
+SET GLOBAL innodb_flush_log_at_trx_commit=1;
+CREATE TABLE u(a SERIAL) ENGINE=INNODB;
+
+--source include/kill_and_restart_mysqld.inc
+--source include/restart_mysqld.inc
+
+--disable_query_log
+let $c = $trx;
+while ($c)
+{
+disconnect con$c;
+eval DROP TABLE t$c;
+dec $c;
+}
+--enable_query_log
+
+DROP TABLE t,u;

storage/innobase/include/trx0roll.h

@@ -1,6 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2017, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -32,7 +33,8 @@ Created 3/26/1996 Heikki Tuuri
 #include "mtr0mtr.h"
 #include "trx0sys.h"
 
-extern bool	trx_rollback_or_clean_is_active;
+extern bool		trx_rollback_or_clean_is_active;
+extern const trx_t*	trx_roll_crash_recv_trx;
 
 /*******************************************************************//**
 Determines if this transaction is rolling back an incomplete transaction
@@ -103,6 +105,11 @@ trx_undo_rec_release(
 /*=================*/
 	trx_t*		trx,	/*!< in/out: transaction */
 	undo_no_t	undo_no);/*!< in: undo number */
+/** Report progress when rolling back a row of a recovered transaction.
+@return	whether the rollback should be aborted due to pending shutdown */
+UNIV_INTERN
+bool
+trx_roll_must_shutdown();
 /*******************************************************************//**
 Rollback or clean up any incomplete transactions which were
 encountered in crash recovery.  If the transaction already was

storage/innobase/row/row0undo.cc

@@ -1,6 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 1997, 2016, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2017, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -348,6 +349,13 @@ row_undo_step(
 
 	ut_ad(que_node_get_type(node) == QUE_NODE_UNDO);
 
+	if (UNIV_UNLIKELY(trx == trx_roll_crash_recv_trx)
+	    && trx_roll_must_shutdown()) {
+		/* Shutdown has been initiated. */
+		trx->error_state = DB_INTERRUPTED;
+		return(NULL);
+	}
+
 	err = row_undo(node, thr);
 
 	trx->error_state = err;