Merge 10.1 into 10.2

MDEV-20094 was filed for the unexpected result differences for the test
innodb.check_ibd_filesize.

mysql-test/suite/innodb/r/check_ibd_filesize,32k.rdiff

+--- check_ibd_filesize.result
++++ check_ibd_filesize.result,32k
+@@ -3,18 +3,12 @@
+ # SPACE IN 5.7 THAN IN 5.6
+ #
+ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 196608
+ INSERT INTO t1 SELECT * FROM seq_1_to_25000;
+-# bytes: 9437184
++# bytes: 786432
+ DROP TABLE t1;
+ CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 196608
+ INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+-# bytes: 4194304
+-DROP TABLE t1;
+-CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB)
+-ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
+-# bytes: 65536
+-INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+-# bytes: 65536
++# bytes: 786432
+ DROP TABLE t1;

mysql-test/suite/innodb/r/check_ibd_filesize,4k.rdiff

+--- check_ibd_filesize.result
++++ check_ibd_filesize.result,4k
+@@ -3,18 +3,18 @@
+ # SPACE IN 5.7 THAN IN 5.6
+ #
+ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 24576
+ INSERT INTO t1 SELECT * FROM seq_1_to_25000;
+ # bytes: 9437184
+ DROP TABLE t1;
+ CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 24576
+ INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+ # bytes: 4194304
+ DROP TABLE t1;
+ CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB)
+ ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
+-# bytes: 65536
++# bytes: 16384
+ INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+-# bytes: 65536
++# bytes: 25600
+ DROP TABLE t1;

mysql-test/suite/innodb/r/check_ibd_filesize,64k.rdiff

+--- check_ibd_filesize.result
++++ check_ibd_filesize.result,64k
+@@ -3,18 +3,12 @@
+ # SPACE IN 5.7 THAN IN 5.6
+ #
+ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 393216
+ INSERT INTO t1 SELECT * FROM seq_1_to_25000;
+-# bytes: 9437184
++# bytes: 983040
+ DROP TABLE t1;
+ CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 393216
+ INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+-# bytes: 4194304
+-DROP TABLE t1;
+-CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB)
+-ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
+-# bytes: 65536
+-INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+-# bytes: 65536
++# bytes: 1572864
+ DROP TABLE t1;

mysql-test/suite/innodb/r/check_ibd_filesize,8k.rdiff

+--- check_ibd_filesize.result
++++ check_ibd_filesize.result,8k
+@@ -3,18 +3,18 @@
+ # SPACE IN 5.7 THAN IN 5.6
+ #
+ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 49152
+ INSERT INTO t1 SELECT * FROM seq_1_to_25000;
+ # bytes: 9437184
+ DROP TABLE t1;
+ CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB) ENGINE=InnoDB;
+-# bytes: 98304
++# bytes: 49152
+ INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+ # bytes: 4194304
+ DROP TABLE t1;
+ CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB)
+ ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
+-# bytes: 65536
++# bytes: 32768
+ INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+-# bytes: 65536
++# bytes: 32768
+ DROP TABLE t1;

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

+#
+# Bug #21950389 SMALL TABLESPACES WITH BLOBS TAKE UP TO 80 TIMES MORE
+# SPACE IN 5.7 THAN IN 5.6
+#
+CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+# bytes: 98304
+INSERT INTO t1 SELECT * FROM seq_1_to_25000;
+# bytes: 9437184
+DROP TABLE t1;
+CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB) ENGINE=InnoDB;
+# bytes: 98304
+INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+# bytes: 4194304
+DROP TABLE t1;
+CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB)
+ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
+# bytes: 65536
+INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+# bytes: 65536
+DROP TABLE t1;

mysql-test/suite/innodb/r/innodb-system-table-view.result

+SELECT table_id INTO @table_stats_id FROM information_schema.innodb_sys_tables
+WHERE name = 'mysql/innodb_table_stats';
+SELECT table_id INTO @index_stats_id FROM information_schema.innodb_sys_tables
+WHERE name = 'mysql/innodb_index_stats';
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
+WHERE table_id NOT IN (@table_stats_id, @index_stats_id) ORDER BY table_id;
+TABLE_ID	NAME	FLAG	N_COLS	SPACE	FILE_FORMAT	ROW_FORMAT	ZIP_PAGE_SIZE	SPACE_TYPE
+11	SYS_FOREIGN	0	7	0	Antelope	Redundant	0	System
+12	SYS_FOREIGN_COLS	0	7	0	Antelope	Redundant	0	System
+13	SYS_TABLESPACES	0	6	0	Antelope	Redundant	0	System
+14	SYS_DATAFILES	0	5	0	Antelope	Redundant	0	System
+15	SYS_VIRTUAL	0	6	0	Antelope	Redundant	0	System
+SELECT table_id,pos,mtype,prtype,len,name
+FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS
+WHERE table_id NOT IN (@table_stats_id, @index_stats_id)
+ORDER BY table_id, pos;
+table_id	pos	mtype	prtype	len	name
+11	0	1	524292	0	ID
+11	1	1	524292	0	FOR_NAME
+11	2	1	524292	0	REF_NAME
+11	3	6	0	4	N_COLS
+12	0	1	524292	0	ID
+12	1	6	0	4	POS
+12	2	1	524292	0	FOR_COL_NAME
+12	3	1	524292	0	REF_COL_NAME
+13	0	6	0	4	SPACE
+13	1	1	524292	0	NAME
+13	2	6	0	4	FLAGS
+14	0	6	0	4	SPACE
+14	1	1	524292	0	PATH
+15	0	6	0	8	TABLE_ID
+15	1	6	0	4	POS
+15	2	6	0	4	BASE_POS
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES
+WHERE table_id NOT IN (@table_stats_id, @index_stats_id) ORDER BY index_id;
+INDEX_ID	NAME	TABLE_ID	TYPE	N_FIELDS	PAGE_NO	SPACE	MERGE_THRESHOLD
+#	ID_IND	#	3	1	#	#	50
+#	FOR_IND	#	0	1	#	#	50
+#	REF_IND	#	0	1	#	#	50
+#	ID_IND	#	3	2	#	#	50
+#	SYS_TABLESPACES_SPACE	#	3	1	#	#	50
+#	SYS_DATAFILES_SPACE	#	3	1	#	#	50
+#	BASE_IDX	#	3	3	#	#	50
+SELECT index_id,pos,name FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS
+WHERE name NOT IN ('database_name', 'table_name', 'index_name', 'stat_name')
+ORDER BY index_id, pos;
+index_id	pos	name
+11	0	ID
+12	0	FOR_NAME
+13	0	REF_NAME
+14	0	ID
+14	1	POS
+15	0	SPACE
+16	0	SPACE
+17	0	TABLE_ID
+17	1	POS
+17	2	BASE_POS
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
+ID	FOR_NAME	REF_NAME	N_COLS	TYPE
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
+ID	FOR_COL_NAME	REF_COL_NAME	POS
+CREATE TABLE t_redundant (a INT KEY, b TEXT) ROW_FORMAT=REDUNDANT ENGINE=innodb;
+CREATE TABLE t_compact (a INT KEY, b TEXT) ROW_FORMAT=COMPACT ENGINE=innodb;
+CREATE TABLE t_compressed (a INT KEY, b TEXT) ROW_FORMAT=COMPRESSED ENGINE=innodb KEY_BLOCK_SIZE=2;
+CREATE TABLE t_dynamic (a INT KEY, b TEXT) ROW_FORMAT=DYNAMIC ENGINE=innodb;
+=== information_schema.innodb_sys_tables  and innodb_sys_tablespaces ===
+Table Name	Tablespace	Table Flags	Columns	Row Format	Zip Size	Space Type
+test/t_compact	test/t_compact	1	5	Compact	0	Single
+test/t_compressed	test/t_compressed	37	5	Compressed	2048	Single
+test/t_dynamic	test/t_dynamic	33	5	Dynamic	0	Single
+test/t_redundant	test/t_redundant	0	5	Redundant	0	Single
+=== information_schema.innodb_sys_tablespaces and innodb_sys_datafiles ===
+Space_Name	Space_Type	Page_Size	Zip_Size	Formats_Permitted	Path
+test/t_redundant	Single	DEFAULT	DEFAULT	Compact or Redundant	MYSQLD_DATADIR/test/t_redundant.ibd
+test/t_compact	Single	DEFAULT	DEFAULT	Compact or Redundant	MYSQLD_DATADIR/test/t_compact.ibd
+test/t_compressed	Single	DEFAULT	2048	Compressed	MYSQLD_DATADIR/test/t_compressed.ibd
+test/t_dynamic	Single	DEFAULT	DEFAULT	Dynamic	MYSQLD_DATADIR/test/t_dynamic.ibd
+DROP TABLE t_redundant, t_compact, t_compressed, t_dynamic;
+SELECT count(*) FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS;
+count(*)
+7
+CREATE TABLE parent (id INT NOT NULL,
+PRIMARY KEY (id)) ENGINE=INNODB;
+CREATE TABLE child (id INT, parent_id INT,
+INDEX par_ind (parent_id),
+CONSTRAINT constraint_test
+FOREIGN KEY (parent_id) REFERENCES parent(id)
+ON DELETE CASCADE) ENGINE=INNODB;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
+ID	FOR_NAME	REF_NAME	N_COLS	TYPE
+test/constraint_test	test/child	test/parent	1	1
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
+ID	FOR_COL_NAME	REF_COL_NAME	POS
+test/constraint_test	parent_id	id	0
+INSERT INTO parent VALUES(1);
+SELECT name, num_rows, ref_count
+FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
+WHERE name LIKE "%parent";
+name	num_rows	ref_count
+test/parent	1	1
+SELECT NAME, FLAG, N_COLS FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
+WHERE name NOT LIKE 'sys/%';
+NAME	FLAG	N_COLS
+SYS_DATAFILES	0	5
+SYS_FOREIGN	0	7
+SYS_FOREIGN_COLS	0	7
+SYS_TABLESPACES	0	6
+SYS_VIRTUAL	0	6
+mysql/innodb_index_stats	33	11
+mysql/innodb_table_stats	33	9
+test/child	33	5
+test/parent	33	4
+SELECT name, n_fields
+from INFORMATION_SCHEMA.INNODB_SYS_INDEXES
+WHERE table_id In (SELECT table_id from
+INFORMATION_SCHEMA.INNODB_SYS_TABLES
+WHERE name LIKE "%parent%");
+name	n_fields
+PRIMARY	1
+SELECT name, n_fields
+from INFORMATION_SCHEMA.INNODB_SYS_INDEXES
+WHERE table_id In (SELECT table_id from
+INFORMATION_SCHEMA.INNODB_SYS_TABLES
+WHERE name LIKE "%child%");
+name	n_fields
+GEN_CLUST_INDEX	0
+par_ind	1
+SELECT name, pos, mtype, len
+from INFORMATION_SCHEMA.INNODB_SYS_COLUMNS
+WHERE table_id In (SELECT table_id from
+INFORMATION_SCHEMA.INNODB_SYS_TABLES
+WHERE name LIKE "%child%");
+name	pos	mtype	len
+id	0	6	4
+parent_id	1	6	4
+DROP TABLE child;
+DROP TABLE parent;
+CREATE TABLE parent (id INT NOT NULL, newid INT NOT NULL,
+PRIMARY KEY (id, newid)) ENGINE=INNODB;
+CREATE TABLE child (id INT, parent_id INT,
+INDEX par_ind (parent_id),
+CONSTRAINT constraint_test
+FOREIGN KEY (id, parent_id) REFERENCES parent(id, newid)
+ON DELETE CASCADE) ENGINE=INNODB;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
+ID	FOR_NAME	REF_NAME	N_COLS	TYPE
+test/constraint_test	test/child	test/parent	2	1
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
+ID	FOR_COL_NAME	REF_COL_NAME	POS
+test/constraint_test	id	id	0
+test/constraint_test	parent_id	newid	1
+INSERT INTO parent VALUES(1, 9);
+SELECT * FROM parent WHERE id IN (SELECT id FROM parent);
+id	newid
+1	9
+SELECT name, num_rows, ref_count
+FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
+WHERE name LIKE "%parent";
+name	num_rows	ref_count
+test/parent	1	2
+DROP TABLE child;
+DROP TABLE parent;

mysql-test/suite/innodb/r/innodb-wl5980-debug.result

+call mtr.add_suppression("Cannot find space id [0-9]+ in the tablespace memory cache");
+call mtr.add_suppression("Cannot rename table 'test/t1' to 'test/t2' since the dictionary cache already contains 'test/t2'.");
+#
+# WL5980 Remote tablespace debug error injection tests.
+#
+CREATE TABLE t1 (a int KEY, b text) ENGINE=Innodb DATA DIRECTORY='MYSQL_TMP_DIR/alt_dir' ;
+INSERT INTO t1 VALUES (1, 'tablespace');
+SELECT * FROM t1;
+a	b
+1	tablespace
+#
+# Test the second injection point in fil_rename_tablespace().
+# Make sure the table is useable after this failure.
+#
+SET @save_dbug=@@debug_dbug;
+SET debug_dbug="+d,fil_rename_tablespace_failure_2";
+RENAME TABLE t1 TO t2;
+SET debug_dbug=@save_dbug;
+INSERT INTO t1 VALUES (2, 'tablespace');
+SELECT * FROM t1;
+a	b
+1	tablespace
+2	tablespace
+#
+# Cleanup
+#
+DROP TABLE t1;

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

+#
+# Bug #20445525	ADD A CONSISTENCY CHECK AGAINST DB_TRX_ID BEING
+#		IN THE FUTURE
+#
+CREATE TABLE t1(a INT) row_format=redundant engine=innoDB;
+INSERT INTO t1 VALUES(1);
+NOT FOUND /\[Warning\] InnoDB: A transaction id in a record of table `test`\.`t1` is newer than the system-wide maximum/ in mysqld.1.err
+call mtr.add_suppression("\\[Warning\\] InnoDB: A transaction id in a record of table `test`\\.`t1` is newer than the system-wide maximum");
+SELECT * FROM t1;
+a
+Warnings:
+Warning	1642	InnoDB: Transaction id in a record of table `test`.`t1` is newer than system-wide maximum.
+DROP TABLE t1;

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

+--source include/innodb_page_size.inc
+--source include/have_sequence.inc
+
+--echo #
+--echo # Bug #21950389 SMALL TABLESPACES WITH BLOBS TAKE UP TO 80 TIMES MORE
+--echo # SPACE IN 5.7 THAN IN 5.6
+--echo #
+
+#
+# Table 1: small rows
+#
+CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+let MYSQLD_DATADIR=`select @@datadir`;
+perl;
+print "# bytes: ", (-s "$ENV{MYSQLD_DATADIR}/test/t1.ibd"), "\n";
+EOF
+
+INSERT INTO t1 SELECT * FROM seq_1_to_25000;
+perl;
+print "# bytes: ", (-s "$ENV{MYSQLD_DATADIR}/test/t1.ibd"), "\n";
+EOF
+DROP TABLE t1;
+
+#
+# Table 2: BLOB
+#
+CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB) ENGINE=InnoDB;
+perl;
+print "# bytes: ", (-s "$ENV{MYSQLD_DATADIR}/test/t1.ibd"), "\n";
+EOF
+INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+perl;
+print "# bytes: ", (-s "$ENV{MYSQLD_DATADIR}/test/t1.ibd"), "\n";
+EOF
+DROP TABLE t1;
+
+let $page_size=`SELECT @@innodb_page_size`;
+if ($page_size < 32768)
+{
+#
+# Table 3: compressed BLOB
+#
+CREATE TABLE t1 (a INT PRIMARY KEY, b BLOB)
+ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
+perl;
+print "# bytes: ", (-s "$ENV{MYSQLD_DATADIR}/test/t1.ibd"), "\n";
+EOF
+INSERT INTO t1 SELECT seq,REPEAT('a',30000) FROM seq_1_to_20;
+perl;
+print "# bytes: ", (-s "$ENV{MYSQLD_DATADIR}/test/t1.ibd"), "\n";
+EOF
+DROP TABLE t1;
+}

mysql-test/suite/innodb/t/innodb-system-table-view.opt

+--innodb
+--innodb-sys-tablespaces
+--innodb-sys-datafiles
+--innodb-sys-tablestats
+--innodb-sys-tables
+--innodb-sys-columns
+--innodb-sys-indexes
+--innodb-sys-fields
+--innodb-sys-foreign
+--innodb-sys-foreign-cols

mysql-test/suite/innodb/t/innodb-system-table-view.test

+# This is the test for Information Schema System Table View
+# that displays the InnoDB system table content through
+# information schema tables.
+
+--source include/innodb_page_size_small.inc
+
+--disable_query_log
+SET default_storage_engine=InnoDB;
+LET $MYSQLD_DATADIR = `select @@datadir`;
+LET $INNODB_PAGE_SIZE = `select @@innodb_page_size`;
+--enable_query_log
+
+# The IDs of mysql.innodb_table_stats and mysql.innodb_index_stats may
+# vary depending on whether the tables have been rebuilt
+# by previously run tests.
+SELECT table_id INTO @table_stats_id FROM information_schema.innodb_sys_tables
+WHERE name = 'mysql/innodb_table_stats';
+SELECT table_id INTO @index_stats_id FROM information_schema.innodb_sys_tables
+WHERE name = 'mysql/innodb_index_stats';
+
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
+WHERE table_id NOT IN (@table_stats_id, @index_stats_id) ORDER BY table_id;
+
+SELECT table_id,pos,mtype,prtype,len,name
+FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS
+WHERE table_id NOT IN (@table_stats_id, @index_stats_id)
+ORDER BY table_id, pos;
+
+--replace_column 1 # 3 # 6 # 7 #
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES
+WHERE table_id NOT IN (@table_stats_id, @index_stats_id) ORDER BY index_id;
+
+SELECT index_id,pos,name FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS
+WHERE name NOT IN ('database_name', 'table_name', 'index_name', 'stat_name')
+ORDER BY index_id, pos;
+
+--sorted_result
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
+--sorted_result
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
+
+CREATE TABLE t_redundant (a INT KEY, b TEXT) ROW_FORMAT=REDUNDANT ENGINE=innodb;
+CREATE TABLE t_compact (a INT KEY, b TEXT) ROW_FORMAT=COMPACT ENGINE=innodb;
+CREATE TABLE t_compressed (a INT KEY, b TEXT) ROW_FORMAT=COMPRESSED ENGINE=innodb KEY_BLOCK_SIZE=2;
+CREATE TABLE t_dynamic (a INT KEY, b TEXT) ROW_FORMAT=DYNAMIC ENGINE=innodb;
+
+--source suite/innodb/include/show_i_s_tables.inc
+--source suite/innodb/include/show_i_s_tablespaces.inc
+
+DROP TABLE t_redundant, t_compact, t_compressed, t_dynamic;
+
+SELECT count(*) FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS;
+
+# Create a foreign key constraint, and verify the information
+# in INFORMATION_SCHEMA.INNODB_SYS_FOREIGN and
+# INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS
+CREATE TABLE parent (id INT NOT NULL,
+                     PRIMARY KEY (id)) ENGINE=INNODB;
+
+CREATE TABLE child (id INT, parent_id INT,
+                    INDEX par_ind (parent_id),
+		    CONSTRAINT constraint_test
+                    FOREIGN KEY (parent_id) REFERENCES parent(id)
+                      ON DELETE CASCADE) ENGINE=INNODB;
+
+--sorted_result
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
+
+--sorted_result
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
+
+# Insert a row in the table "parent", and see whether that reflected in
+# INNODB_SYS_TABLESTATS
+INSERT INTO parent VALUES(1);
+
+--sorted_result
+SELECT name, num_rows, ref_count
+FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
+WHERE name LIKE "%parent";
+
+--sorted_result
+SELECT NAME, FLAG, N_COLS FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
+ WHERE name NOT LIKE 'sys/%';
+
+--sorted_result
+SELECT name, n_fields
+from INFORMATION_SCHEMA.INNODB_SYS_INDEXES
+WHERE table_id In (SELECT table_id from
+	INFORMATION_SCHEMA.INNODB_SYS_TABLES
+	WHERE name LIKE "%parent%");
+
+--sorted_result
+SELECT name, n_fields
+from INFORMATION_SCHEMA.INNODB_SYS_INDEXES
+WHERE table_id In (SELECT table_id from
+	INFORMATION_SCHEMA.INNODB_SYS_TABLES
+	WHERE name LIKE "%child%");
+
+--sorted_result
+SELECT name, pos, mtype, len
+from INFORMATION_SCHEMA.INNODB_SYS_COLUMNS
+WHERE table_id In (SELECT table_id from
+	INFORMATION_SCHEMA.INNODB_SYS_TABLES
+	WHERE name LIKE "%child%");
+
+DROP TABLE child;
+
+DROP TABLE parent;
+
+# Create table with 2 columns in the foreign key constraint
+CREATE TABLE parent (id INT NOT NULL, newid INT NOT NULL,
+                     PRIMARY KEY (id, newid)) ENGINE=INNODB;
+
+CREATE TABLE child (id INT, parent_id INT,
+                    INDEX par_ind (parent_id),
+		    CONSTRAINT constraint_test
+                    FOREIGN KEY (id, parent_id) REFERENCES parent(id, newid)
+                      ON DELETE CASCADE) ENGINE=INNODB;
+
+--sorted_result
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
+
+--sorted_result
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
+
+INSERT INTO parent VALUES(1, 9);
+
+# Nested query will open the table handle twice
+--sorted_result
+SELECT * FROM parent WHERE id IN (SELECT id FROM parent);
+
+--sorted_result
+SELECT name, num_rows, ref_count
+FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
+WHERE name LIKE "%parent";
+
+DROP TABLE child;
+
+DROP TABLE parent;

mysql-test/suite/innodb/t/innodb-wl5980-debug.test

+#
+# This testcase is to check the various debug injection points
+# to make sure error conditions react corectly and acheive
+# better code coverage.
+#
+
+# Not supported in embedded
+--source include/not_embedded.inc
+--source include/have_debug.inc
+--source include/have_innodb.inc
+
+# These messages are expected in the log
+call mtr.add_suppression("Cannot find space id [0-9]+ in the tablespace memory cache");
+call mtr.add_suppression("Cannot rename table 'test/t1' to 'test/t2' since the dictionary cache already contains 'test/t2'.");
+
+# Set up some variables
+LET $MYSQL_DATA_DIR = `select @@datadir`;
+LET $data_directory_clause = DATA DIRECTORY='$MYSQL_TMP_DIR/alt_dir';
+--enable_query_log
+
+--echo #
+--echo # WL5980 Remote tablespace debug error injection tests.
+--echo #
+
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
+eval CREATE TABLE t1 (a int KEY, b text) ENGINE=Innodb $data_directory_clause ;
+INSERT INTO t1 VALUES (1, 'tablespace');
+SELECT * FROM t1;
+
+--echo #
+--echo # Test the second injection point in fil_rename_tablespace().
+--echo # Make sure the table is useable after this failure.
+--echo #
+SET @save_dbug=@@debug_dbug;
+SET debug_dbug="+d,fil_rename_tablespace_failure_2";
+--disable_result_log
+--error ER_ERROR_ON_RENAME
+RENAME TABLE t1 TO t2;
+--enable_result_log
+SET debug_dbug=@save_dbug;
+INSERT INTO t1 VALUES (2, 'tablespace');
+SELECT * FROM t1;
+
+--echo #
+--echo # Cleanup
+--echo #
+
+DROP TABLE t1;
+
+--rmdir $MYSQL_TMP_DIR/alt_dir/test
+--rmdir $MYSQL_TMP_DIR/alt_dir

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

+--echo #
+--echo # Bug #20445525	ADD A CONSISTENCY CHECK AGAINST DB_TRX_ID BEING
+--echo #		IN THE FUTURE
+--echo #
+
+--source include/not_debug.inc
+--source include/have_innodb.inc
+--source include/not_embedded.inc
+
+let PAGE_SIZE=`select @@innodb_page_size`;
+
+CREATE TABLE t1(a INT) row_format=redundant engine=innoDB;
+INSERT INTO t1 VALUES(1);
+
+let MYSQLD_DATADIR=`select @@datadir`;
+
+--source include/shutdown_mysqld.inc
+
+perl;
+do "$ENV{MTR_SUITE_DIR}/include/crc32.pl";
+my $file = "$ENV{MYSQLD_DATADIR}/test/t1.ibd";
+open(FILE, "+<", $file) || die "Unable to open $file";
+binmode FILE;
+
+#Seek the the infimum record and get the offset to next record
+#Infimum record exist at offset 101 for redundant format
+#And offset to the next record is present 2 bytes prior to
+#infimum record
+
+my $ps= $ENV{PAGE_SIZE};
+my $page;
+sysseek(FILE, 3*$ps, 0) || die "Unable to seek $file\n";
+die "Unable to read $file" unless sysread(FILE, $page, $ps) == $ps;
+#In this case the first record should be at offset 135
+die unless unpack("n", substr($page, 99, 2)) == 135;
+
+substr($page,135+6,6) = "\xff" x 6;
+
+my $polynomial = 0x82f63b78; # CRC-32C
+my $ck= pack("N",mycrc32(substr($page, 4, 22), 0, $polynomial) ^
+		 mycrc32(substr($page, 38, $ps - 38 - 8), 0, $polynomial));
+substr($page,0,4)=$ck;
+substr($page,$ps-8,4)=$ck;
+sysseek(FILE, 3*$ps, 0) || die "Unable to rewind $file\n";
+syswrite(FILE, $page, $ps)==$ps || die "Unable to write $file\n";
+close(FILE) || die "Unable to close $file";
+EOF
+
+--source include/start_mysqld.inc
+
+let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
+let SEARCH_PATTERN= \[Warning\] InnoDB: A transaction id in a record of table `test`\.`t1` is newer than the system-wide maximum;
+--source include/search_pattern_in_file.inc
+
+call mtr.add_suppression("\\[Warning\\] InnoDB: A transaction id in a record of table `test`\\.`t1` is newer than the system-wide maximum");
+
+SELECT * FROM t1;
+DROP TABLE t1;

storage/innobase/fil/fil0fil.cc

@@ -3514,9 +3514,15 @@ fil_rename_tablespace(
 	ut_ad(space == fil_space_get_by_name(old_space_name));
 	ut_ad(!fil_space_get_by_name(new_space_name));
 	ut_ad(node->name == old_file_name);
-
-	bool	success = os_file_rename(
-		innodb_data_file_key, old_file_name, new_file_name);
+	bool success;
+	DBUG_EXECUTE_IF("fil_rename_tablespace_failure_2",
+			goto skip_second_rename; );
+	success = os_file_rename(innodb_data_file_key,
+				 old_file_name,
+				 new_file_name);
+	DBUG_EXECUTE_IF("fil_rename_tablespace_failure_2",
+skip_second_rename:
+                       success = false; );
 
 	ut_ad(node->name == old_file_name);
 

storage/xtradb/fil/fil0fil.cc

@@ -3262,8 +3262,13 @@ fil_rename_tablespace(
 		space, node, new_name, new_path);
 
 	if (success) {
+		DBUG_EXECUTE_IF("fil_rename_tablespace_failure_2",
+				goto skip_second_rename; );
 		success = os_file_rename(
 			innodb_file_data_key, old_path, new_path);
+		DBUG_EXECUTE_IF("fil_rename_tablespace_failure_2",
+skip_second_rename:
+				success = FALSE; );
 
 		if (!success) {
 			/* We have to revert the changes we made