Applying InnoDB Plugin 1.0.6 snapshot, part 6. Add Testcase for BUG#46676

1. add testcase for BUG#46676
2. Allow CREATE INDEX to be interrupted
3. ha_innobase::change_active_index(): When the history is
   missing, report it to the client, not to the error log
4. ChangeLog entries

appplied revisions:r6169, r6170, r6175, r6177, r6179

Detailed revision comments:

r6169 | calvin | 2009-11-12 14:40:43 +0200 (Thu, 12 Nov 2009) | 6 lines
branches/zip: add test case for bug#46676

This crash is reproducible with InnoDB plugin 1.0.4 + MySQL 5.1.37.
But no longer reproducible after MySQL 5.1.38 (with plugin 1.0.5).
Add test case to catch future regression.

r6170 | marko | 2009-11-12 15:49:08 +0200 (Thu, 12 Nov 2009) | 4 lines
branches/zip: Allow CREATE INDEX to be interrupted.  (Issue #354)

rb://183 approved by Heikki Tuuri

r6175 | vasil | 2009-11-16 20:07:39 +0200 (Mon, 16 Nov 2009) | 4 lines
branches/zip:

Wrap line at 78th char in the ChangeLog

r6177 | calvin | 2009-11-16 20:20:38 +0200 (Mon, 16 Nov 2009) | 2 lines
branches/zip: add an entry to ChangeLog for r6065

r6179 | marko | 2009-11-17 10:19:34 +0200 (Tue, 17 Nov 2009) | 2 lines
branches/zip: ha_innobase::change_active_index(): When the history is
missing, report it to the client, not to the error log.

mysql-test/suite/innodb/r/innodb_bug46676.result

+SET foreign_key_checks=0;
+CREATE TABLE t1 (id int, foreign key (id) references t2(id)) ENGINE=INNODB;
+CREATE TABLE t2 (id int, foreign key (id) references t1(id)) ENGINE=INNODB;
+SET foreign_key_checks=1;
+SELECT COUNT(*) FROM information_schema.key_column_usage WHERE REFERENCED_TABLE_NAME in ('t1', 't2');
+COUNT(*)
+2
+SET foreign_key_checks=0;
+DROP TABLE t1, t2;

mysql-test/suite/innodb/t/innodb_bug46676.test

+# This is the test for bug 46676: mysqld got exception 0xc0000005
+# It is reproducible with InnoDB plugin 1.0.4 + MySQL 5.1.37.
+# But no longer reproducible after MySQL 5.1.38 (with plugin 1.0.5).
+
+--source include/have_innodb.inc
+
+SET foreign_key_checks=0;
+CREATE TABLE t1 (id int, foreign key (id) references t2(id)) ENGINE=INNODB;
+CREATE TABLE t2 (id int, foreign key (id) references t1(id)) ENGINE=INNODB;
+SET foreign_key_checks=1;
+
+# Server crashes
+SELECT COUNT(*) FROM information_schema.key_column_usage WHERE REFERENCED_TABLE_NAME in ('t1', 't2');
+
+SET foreign_key_checks=0;
+DROP TABLE t1, t2;

storage/innodb_plugin/ChangeLog

+2009-11-12	The InnoDB Team
+
+	* handler/ha_innodb.cc, include/db0err.h, row/row0merge.c,
+	row/row0mysql.c:
+	Allow CREATE INDEX to be interrupted.
+	Also, when CHECK TABLE is interrupted, report ER_QUERY_INTERRUPTED.
+
 2009-11-11	The InnoDB Team
 
 	* handler/ha_innodb.cc, mysql-test/innodb_bug47167.result,
@@ -104,6 +111,12 @@
 	Fix Bug#47058 Failure to compile innodb_plugin on solaris 10u7 + spro
 	cc/CC 5.10
 
+2009-10-13	The InnoDB Team
+
+	* buf/buf0flu.c:
+	Call fsync() on datafiles after a batch of pages is written to disk
+	even when skip_innodb_doublewrite is set.
+
 2009-10-05	The InnoDB Team
 
 	* buf/buf0buf.c:

storage/innodb_plugin/handler/ha_innodb.cc

@@ -785,6 +785,9 @@ convert_error_code_to_mysql(
 	case DB_SUCCESS:
 		return(0);
 
+	case DB_INTERRUPTED:
+		my_error(ER_QUERY_INTERRUPTED, MYF(0));
+		/* fall through */
 	case DB_ERROR:
 	default:
 		return(-1); /* unspecified error */
@@ -5238,8 +5241,10 @@ ha_innobase::change_active_index(
 							   prebuilt->index);
 
 	if (UNIV_UNLIKELY(!prebuilt->index_usable)) {
-		sql_print_warning("InnoDB: insufficient history for index %u",
-				  keynr);
+		push_warning_printf(user_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+				    HA_ERR_TABLE_DEF_CHANGED,
+				    "InnoDB: insufficient history for index %u",
+				    keynr);
 		/* The caller seems to ignore this.  Thus, we must check
 		this again in row_search_for_mysql(). */
 		DBUG_RETURN(2);
@@ -7361,11 +7366,15 @@ ha_innobase::check(
 
 	ret = row_check_table_for_mysql(prebuilt);
 
-	if (ret == DB_SUCCESS) {
+	switch (ret) {
+	case DB_SUCCESS:
 		return(HA_ADMIN_OK);
+	case DB_INTERRUPTED:
+		my_error(ER_QUERY_INTERRUPTED, MYF(0));
+		return(-1);
+	default:
+		return(HA_ADMIN_CORRUPT);
 	}
-
-	return(HA_ADMIN_CORRUPT);
 }
 
 /*************************************************************//**

storage/innodb_plugin/include/db0err.h

@@ -32,6 +32,7 @@ enum db_err {
 
 	/* The following are error codes */
 	DB_ERROR,
+	DB_INTERRUPTED,
 	DB_OUT_OF_MEMORY,
 	DB_OUT_OF_FILE_SPACE,
 	DB_LOCK_WAIT,

storage/innodb_plugin/row/row0merge.c

@@ -1200,6 +1200,12 @@ row_merge_read_clustered_index(
 		in order to release the latch on the old page. */
 
 		if (btr_pcur_is_after_last_on_page(&pcur)) {
+			if (UNIV_UNLIKELY(trx_is_interrupted(trx))) {
+				i = 0;
+				err = DB_INTERRUPTED;
+				goto err_exit;
+			}
+
 			btr_pcur_store_position(&pcur, &mtr);
 			mtr_commit(&mtr);
 			mtr_start(&mtr);
@@ -1557,6 +1563,7 @@ static __attribute__((nonnull))
 ulint
 row_merge(
 /*======*/
+	trx_t*			trx,	/*!< in: transaction */
 	const dict_index_t*	index,	/*!< in: index being created */
 	merge_file_t*		file,	/*!< in/out: file containing
 					index entries */
@@ -1590,6 +1597,10 @@ row_merge(
 	for (; foffs0 < ihalf && foffs1 < file->offset; foffs0++, foffs1++) {
 		ulint	ahalf;	/*!< arithmetic half the input file */
 
+		if (UNIV_UNLIKELY(trx_is_interrupted(trx))) {
+			return(DB_INTERRUPTED);
+		}
+
 		error = row_merge_blocks(index, file, block,
 					 &foffs0, &foffs1, &of, table);
 
@@ -1617,6 +1628,10 @@ row_merge(
 	/* Copy the last blocks, if there are any. */
 
 	while (foffs0 < ihalf) {
+		if (UNIV_UNLIKELY(trx_is_interrupted(trx))) {
+			return(DB_INTERRUPTED);
+		}
+
 		if (!row_merge_blocks_copy(index, file, block, &foffs0, &of)) {
 			return(DB_CORRUPTION);
 		}
@@ -1625,6 +1640,10 @@ row_merge(
 	ut_ad(foffs0 == ihalf);
 
 	while (foffs1 < file->offset) {
+		if (UNIV_UNLIKELY(trx_is_interrupted(trx))) {
+			return(DB_INTERRUPTED);
+		}
+
 		if (!row_merge_blocks_copy(index, file, block, &foffs1, &of)) {
 			return(DB_CORRUPTION);
 		}
@@ -1653,6 +1672,7 @@ static
 ulint
 row_merge_sort(
 /*===========*/
+	trx_t*			trx,	/*!< in: transaction */
 	const dict_index_t*	index,	/*!< in: index being created */
 	merge_file_t*		file,	/*!< in/out: file containing
 					index entries */
@@ -1671,7 +1691,8 @@ row_merge_sort(
 	do {
 		ulint	error;
 
-		error = row_merge(index, file, &half, block, tmpfd, table);
+		error = row_merge(trx, index, file, &half,
+				  block, tmpfd, table);
 
 		if (error != DB_SUCCESS) {
 			return(error);
@@ -2490,7 +2511,7 @@ row_merge_build_indexes(
 	sorting and inserting. */
 
 	for (i = 0; i < n_indexes; i++) {
-		error = row_merge_sort(indexes[i], &merge_files[i],
+		error = row_merge_sort(trx, indexes[i], &merge_files[i],
 				       block, &tmpfd, table);
 
 		if (error == DB_SUCCESS) {

storage/innodb_plugin/row/row0mysql.c

@@ -4157,6 +4157,7 @@ row_check_table_for_mysql(
 			}
 
 			if (trx_is_interrupted(prebuilt->trx)) {
+				ret = DB_INTERRUPTED;
 				break;
 			}