Merge '7.4' into mysql-trunk-cluster

 - fix conflicts in copyright headers
 - replace  Sql_condition::WARN_LEVEL_WARN with
   Sql_condition::SL_WARNING
 - replace usage of pthread_ with native_
 - Add SHOW_SCOPE_GLOBAL to new(or refactored) status variables

Conflicts:
	.gitignore
	VERSION
	mysql-test/collections/default.experimental
	mysql-test/suite/ndb/r/ndb_alter_table_online.result
	mysql-test/suite/ndb/r/ndb_alter_table_online2.result
	mysql-test/suite/ndb/r/ndb_types.result
	mysql-test/suite/ndb/t/ndb_types.test
	mysql-test/suite/ndb_binlog/r/ndb_binlog_ddl_multi.result
	mysql-test/suite/ndb_binlog/r/ndb_binlog_discover_multi.result
	mysql-test/suite/ndb_binlog/r/ndb_binlog_log_bin.result
	mysql-test/suite/ndb_binlog/t/ndb_binlog_discover.test
	mysql-test/suite/ndb_rpl/r/ndb_rpl_conflict_epoch.result
	mysql-test/suite/ndb_rpl/r/ndb_rpl_conflict_epoch_ext.result
	mysql-test/suite/ndb_rpl/r/ndb_rpl_conflict_epoch_trans.result
	mysql-test/suite/ndb_rpl/r/ndb_rpl_conflict_epoch_trans_ext.result
	mysql-test/suite/ndb_rpl/t/ndb_conflict_info.inc
	mysql-test/suite/ndb_rpl/t/ndb_rpl_conflict_epoch.inc
	mysql-test/suite/ndb_rpl/t/ndb_rpl_conflict_epoch_trans.inc
	mysql-test/suite/ndb_rpl/t/ndb_trans_conflict_info.inc
	mysql-test/suite/ndb_rpl/t/ndb_trans_conflict_info_stable.inc
	mysql-test/suite/rpl/r/rpl_4threads_deadlock.result
	mysql-test/suite/rpl/t/rpl_4threads_deadlock.test
	packaging/rpm-oel/mysql.spec.in
	scripts/mysql_system_tables.sql
	sql/ha_ndb_ddl_fk.cc
	sql/ha_ndbcluster.cc
	sql/ha_ndbcluster_binlog.cc
	sql/ha_ndbcluster_binlog.h
	sql/sql_show.h
	storage/ndb/CMakeLists.txt
	storage/ndb/clusterj/clusterj-core/src/main/java/com/mysql/clusterj/core/SessionFactoryImpl.java
	storage/ndb/include/kernel/GlobalSignalNumbers.h
	storage/ndb/include/kernel/ndb_limits.h
	storage/ndb/include/mgmapi/mgmapi_config_parameters.h
	storage/ndb/include/ndbapi/NdbDictionary.hpp
	storage/ndb/include/transporter/TransporterCallback.hpp
	storage/ndb/include/transporter/TransporterRegistry.hpp
	storage/ndb/src/common/debugger/signaldata/CMakeLists.txt
	storage/ndb/src/common/debugger/signaldata/PackedSignal.cpp
	storage/ndb/src/common/debugger/signaldata/SignalDataPrint.cpp
	storage/ndb/src/common/debugger/signaldata/SignalNames.cpp
	storage/ndb/src/common/portlib/NdbCondition.c
	storage/ndb/src/common/transporter/TransporterRegistry.cpp
	storage/ndb/src/kernel/blocks/ERROR_codes.txt
	storage/ndb/src/kernel/blocks/dbdict/Dbdict.hpp
	storage/ndb/src/kernel/blocks/dbspj/Dbspj.hpp
	storage/ndb/src/kernel/blocks/lgman.cpp
	storage/ndb/src/kernel/blocks/tsman.cpp
	storage/ndb/src/kernel/error/ErrorReporter.cpp
	storage/ndb/src/kernel/vm/DLHashTable.hpp
	storage/ndb/src/kernel/vm/mt.cpp
	storage/ndb/src/mgmsrv/MgmtSrvr.hpp
	storage/ndb/src/mgmsrv/Services.cpp
	storage/ndb/src/ndbapi/ClusterMgr.cpp
	storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp
	storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp
	storage/ndb/src/ndbapi/NdbScanOperation.cpp
	storage/ndb/src/ndbapi/TransporterFacade.hpp
	storage/ndb/src/ndbapi/WakeupHandler.cpp
	storage/ndb/src/ndbapi/trp_buffer.hpp
	storage/ndb/src/ndbapi/trp_client.hpp
	storage/ndb/test/ndbapi/testBasic.cpp
	storage/ndb/test/ndbapi/testIndex.cpp
	storage/ndb/test/ndbapi/testLimits.cpp
	storage/ndb/test/ndbapi/testNdbApi.cpp
	storage/ndb/test/src/HugoTransactions.cpp
	storage/ndb/tools/ndb_dist_priv.sql
	support-files/mysql.spec.sh

.gitignore

@@ -3045,8 +3045,7 @@ storage/ndb/**/target
 storage/ndb/**/*.class
 storage/ndb/src/ndbjtie/**/*.sh
 storage/ndb/src/ndbjtie/**/*.log
-storage/ndb/src/ndbjtie/**/*.cmd
-storage/ndb/src/ndbjtie/**/*_test
+storage/ndb/src/ndbjtie/jtie/test/myapi/myapi_test
 storage/ndb/clusterj/**/*MANIFEST.MF
 storage/ndb/clusterj/**/*manifest.mf
 storage/ndb/test/crund/*.cnf
@@ -3129,10 +3128,6 @@ Docs/INFO_SRC
 Testing
 FilesCopied
 source_downloads
-storage/ndb/include/ndb_config.h
-storage/ndb/memcache/memcached_path.pl
-storage/ndb/memcache/sandbo*
-storage/ndb/memcache/include/ndbmemcache_config.h
 client/mysql_plugin
 support-files/plugins.files
 storage/perfschema/pfs_lex_token.h

VERSION

@@ -1,4 +1,4 @@
 MYSQL_VERSION_MAJOR=5
 MYSQL_VERSION_MINOR=7
 MYSQL_VERSION_PATCH=6
-MYSQL_VERSION_EXTRA=-ndb-7.4.0
+MYSQL_VERSION_EXTRA=-ndb-7.4.5

mysql-test/collections/default.experimental

@@ -22,3 +22,8 @@ rpl.rpl_gtid_stress_failover             # Bug#16409537 2014-09-18 Shiv Fails of
 
 interactive_utilities.mysql_secure_installation     #Bug19077239 2014-09-18 Sneha Fails often on daily trunk branches
 interactive_utilities.mysql_secure_installation_ssl     #Bug19077239 2014-09-18 Sneha Fails often on daily trunk branches
+
+# Bug #20402364 	NDB : NDB_ADDNODE_WITHBINLOG FAILS DUE TO EVENT API STALL
+# FC : SUMA bug related to CREATE NODEGROUP/DROP NODEGROUP/CREATE NODEGROUP
+ndb.ndb_addnode_withbinlog
+

mysql-test/include/default_ndbd.cnf

@@ -24,6 +24,7 @@ BackupLogBufferSize=           2M
 BackupMemory=                  4M
 TwoPassInitialNodeRestartCopy=1
 TransactionDeadlockDetectionTimeout=3000
+Checksum=1
 
 # O_DIRECT has issues on 2.4 which have not been handled, Bug #29612
 #ODirect= 1

mysql-test/suite/ndb/include/ndb_find_index_stat_tool.inc

@@ -0,0 +1,32 @@
+--perl
+use strict; 
+use lib "lib/";
+use My::Find;
+use File::Basename;
+
+my $mysql_test_dir = $ENV{MYSQL_TEST_DIR} or die "Need MYSQL_TEST_DIR";
+my $basedir = dirname($mysql_test_dir);
+
+# In the RPM case, binaries and libraries are installed in the
+# default system locations, instead of having our own private base
+# directory. And we install "usr/share/mysql-test". Moving up two
+# more directory relative to "mysql-test" gives us a usable base
+# directory for RPM installs.
+if (! -d "$basedir/sql" and ! -d "$basedir/bin" )
+{
+  $basedir= dirname($basedir);
+}
+my $bindir = $ENV{MTR_BINDIR} || $basedir; # Out of source set MTR_BINDIR
+
+my $NDB_INDEX_STAT =  my_find_bin($bindir,
+                           ["storage/ndb/tools", "bin"],
+                           "ndb_index_stat");
+
+my $vardir = $ENV{MYSQLTEST_VARDIR} or die "Need MYSQLTEST_VARDIR" ;
+open ( OUTPUT, ">$vardir/tmp/ndb_find_index_stat_tool_result.inc") ;
+print OUTPUT "let \$NDB_INDEX_STAT=$NDB_INDEX_STAT;\n";
+close (OUTPUT);
+EOF
+
+--source $MYSQLTEST_VARDIR/tmp/ndb_find_index_stat_tool_result.inc
+--remove_file $MYSQLTEST_VARDIR/tmp/ndb_find_index_stat_tool_result.inc

mysql-test/suite/ndb/include/ndb_find_print_file_tool.inc

@@ -0,0 +1,32 @@
+--perl
+use strict; 
+use lib "lib/";
+use My::Find;
+use File::Basename;
+
+my $mysql_test_dir = $ENV{MYSQL_TEST_DIR} or die "Need MYSQL_TEST_DIR";
+my $basedir = dirname($mysql_test_dir);
+
+# In the RPM case, binaries and libraries are installed in the
+# default system locations, instead of having our own private base
+# directory. And we install "usr/share/mysql-test". Moving up two
+# more directory relative to "mysql-test" gives us a usable base
+# directory for RPM installs.
+if (! -d "$basedir/sql" and ! -d "$basedir/bin" )
+{
+  $basedir= dirname($basedir);
+}
+my $bindir = $ENV{MTR_BINDIR} || $basedir; # Out of source set MTR_BINDIR
+
+my $NDB_PRINT_FILE =  my_find_bin($bindir,
+                           ["storage/ndb/src/kernel/blocks", "bin"],
+                           "ndb_print_file");
+
+my $vardir = $ENV{MYSQLTEST_VARDIR} or die "Need MYSQLTEST_VARDIR" ;
+open ( OUTPUT, ">$vardir/tmp/ndb_find_print_file_tool_result.inc") ;
+print OUTPUT "let \$NDB_PRINT_FILE=$NDB_PRINT_FILE;\n";
+close (OUTPUT);
+EOF
+
+--source $MYSQLTEST_VARDIR/tmp/ndb_find_print_file_tool_result.inc
+--remove_file $MYSQLTEST_VARDIR/tmp/ndb_find_print_file_tool_result.inc

mysql-test/suite/ndb/r/ndb_alter_table.result

@@ -546,4 +546,37 @@ DROP TABLESPACE ts1
 ENGINE ndb;
 DROP LOGFILE GROUP lg1
 ENGINE = ndb;
+#test alter table add column with partion by and comment clause
+CREATE TABLE t1(id INT, PRIMARY KEY(id)) ENGINE=NDB;
+ALTER TABLE t1 ADD value INT NULL, COMMENT='comment1' PARTITION BY KEY(id);
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id` int(11) NOT NULL DEFAULT '0',
+  `value` int(11) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=ndbcluster DEFAULT CHARSET=latin1 COMMENT='comment1'
+/*!50100 PARTITION BY KEY (id) */
+DROP TABLE t1;
+#test alter table with and without ENGINE clause
+CREATE TABLE t1(id INT, PRIMARY KEY(id)) ENGINE=NDB;
+ALTER TABLE t1 ENGINE=NDB PARTITION BY KEY(id);
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id` int(11) NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id`)
+) ENGINE=ndbcluster DEFAULT CHARSET=latin1
+/*!50100 PARTITION BY KEY (id) */
+DROP TABLE t1;
+CREATE TABLE t1(id INT, PRIMARY KEY(id)) ENGINE=NDB;
+ALTER TABLE t1 PARTITION BY KEY(id);
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id` int(11) NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id`)
+) ENGINE=ndbcluster DEFAULT CHARSET=latin1
+/*!50100 PARTITION BY KEY (id) */
+DROP TABLE t1;
 End of 5.1 tests

mysql-test/suite/ndb/r/ndb_autoinc.result

@@ -36,3 +36,80 @@ t3	CREATE TABLE `t3` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 DROP TABLE t1, t3;
 End of 5.1 tests
+set @@auto_increment_increment=4;
+set @@auto_increment_offset=1;
+set @@ndb_autoincrement_prefetch_sz=2;
+create table t1 (a int unsigned not null primary key auto_increment)
+engine ndb;
+insert into t1 values ();
+insert into t1 values (2);
+insert into t1 values ();
+insert into t1 values ();
+select * from t1 order by a;
+a
+1
+2
+5
+9
+drop table t1;
+set @@auto_increment_increment=2;
+set @@auto_increment_offset=1;
+First look at default SE behaviour on manual insert unaligned with
+offset + step
+create table t1 (a int unsigned not null primary key auto_increment);
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	9
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	1
+insert into t1 values(18);
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	1
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	19
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	21
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	23
+insert into t1 values(22);
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	23
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	25
+insert into t1 values(28);
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	25
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	29
+insert into t1 values();
+show variables like 'LAST_INSERT_ID';
+Variable_name	Value
+last_insert_id	31
+select * from t1 order by a;
+a
+1
+18
+19
+21
+22
+23
+25
+28
+29
+31
+drop table t1;

mysql-test/suite/ndb/r/ndb_basic.result

@@ -74,11 +74,19 @@ Ndb_api_wait_scan_result_count_slave	#
 Ndb_cluster_node_id	#
 Ndb_config_from_host	#
 Ndb_config_from_port	#
+Ndb_conflict_epoch_delete_delete_count	#
 Ndb_conflict_fn_epoch	#
+Ndb_conflict_fn_epoch2	#
+Ndb_conflict_fn_epoch2_trans	#
 Ndb_conflict_fn_epoch_trans	#
 Ndb_conflict_fn_max	#
 Ndb_conflict_fn_max_del_win	#
 Ndb_conflict_fn_old	#
+Ndb_conflict_last_conflict_epoch	#
+Ndb_conflict_last_stable_epoch	#
+Ndb_conflict_reflected_op_discard_count	#
+Ndb_conflict_reflected_op_prepare_count	#
+Ndb_conflict_refresh_op_count	#
 Ndb_conflict_trans_conflict_commit_count	#
 Ndb_conflict_trans_detect_iter_count	#
 Ndb_conflict_trans_reject_count	#
@@ -100,7 +108,6 @@ Ndb_pushed_queries_executed	#
 Ndb_pushed_reads	#
 Ndb_scan_count	#
 Ndb_schema_locks_count	#
-Ndb_slave_last_conflict_epoch	#
 Ndb_slave_max_replicated_epoch	#
 Ndb_sorted_scan_count	#
 SHOW GLOBAL VARIABLES WHERE Variable_name LIKE 'ndb\_%' and 
@@ -115,6 +122,7 @@ ndb_cluster_connection_pool	#
 ndb_connectstring	#
 ndb_deferred_constraints	#
 ndb_distribution	#
+ndb_eventbuffer_free_percent	#
 ndb_eventbuffer_max_alloc	#
 ndb_extra_logging	#
 ndb_force_send	#
@@ -125,6 +133,8 @@ ndb_log_apply_status	#
 ndb_log_bin	#
 ndb_log_binlog_index	#
 ndb_log_empty_epochs	#
+ndb_log_empty_update	#
+ndb_log_exclusive_reads	#
 ndb_log_orig	#
 ndb_log_transaction_id	#
 ndb_log_update_as_write	#
@@ -1021,9 +1031,10 @@ drop table t1;
 create table
 abcdefghijklmnopqrstuvwxyz1234567890bcdefghijklmnopqrstuvwxyz123(id int
 primary key) engine=ndb;
-ERROR HY000: Got error 1059 'Unknown error code' from NDBCLUSTER
+ERROR 42000: Identifier name 'abcdefghijklmnopqrstuvwxyz1234567890bcdefghijklmnopqrstuvwxyz123' is too long
 show warnings;
 Level	Code	Message
 Warning	1059	Ndb has an internal limit of 63 bytes on the size of schema identifiers
-Error	1296	Got error 1059 'Unknown error code' from NDBCLUSTER
+Error	1059	Identifier name 'abcdefghijklmnopqrstuvwxyz1234567890bcdefghijklmnopqrstuvwxyz123' is too long
+Error	1031	Table storage engine for 'abcdefghijklmnopqrstuvwxyz1234567890bcdefghijklmnopqrstuvwxyz123' doesn't have this option
 End of 5.1 tests

mysql-test/suite/ndb/r/ndb_bug19390895.result

@@ -0,0 +1,38 @@
+create table t1 (
+a int,
+b int not null,
+c1 char(255),
+c2 char(255),
+key k1(b, c1, c2)
+)
+engine = ndb;
+insert into t1(a,b,c1,c2) values
+(0, 0, 0, 0),
+(1, 1, 1, 1),
+(2, 2, 2, 1),
+(3, 3, 3, 3),
+(4, 4, 4, 4),
+(5, 5, 5, 5),
+(6, 6, 6, 6),
+(7, 7, 7, 7),
+(8, 8, 8, 8),
+(9, 9, 9, 9);
+insert into t1 select a + 10,  b, c1, c2 from t1;
+insert into t1 select a + 20,  b, c1, c2 from t1;
+insert into t1 select a + 40,  b, c1, c2 from t1;
+insert into t1 select a + 80,  b, c1, c2 from t1;
+insert into t1 select a + 160, b, c1, c2 from t1;
+insert into t1 select a + 320, b, c1, c2 from t1;
+insert into t1 select a + 640, b, c1, c2 from t1;
+insert into t1 select a + 1280, b, c1, c2 from t1;
+explain
+select * from t1 as x, t1 as y
+where y.b = x.a and y.c1 = x.c1 and y.c2 = x.c1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	x	ALL	NULL	NULL	NULL	NULL	2560	Parent of 2 pushed join@1; Using where with pushed condition
+1	SIMPLE	y	ref	k1	k1	516	test.x.a,test.x.c1,test.x.c1	10	Child of 'x' in pushed join@1
+select count(*) from t1 as x, t1 as y
+where y.b = x.a and y.c1 = x.c1 and y.c2 = x.c1;
+count(*)
+2304
+drop table t1;

mysql-test/suite/ndb/r/ndb_condition_pushdown.result

@@ -2557,3 +2557,16 @@ insert into t1 values ('00:00:00'),('01:01:01');
 select 1 from t1 where a >= NULL;
 1
 drop table t1;
+#
+# BUG#14798022 "CHAR (0)" DATATYPE CAUSING ERROR 1296
+# Verify there is no push down support for char(0)
+# 
+create table t1(a int, b char(0)) engine=ndbcluster;
+insert into t1 values(1,''), (2, NULL);
+explain select * from t1 where b = '';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	#	Using where
+select * from t1 where b = '';
+a	b
+1	
+drop table t1;

mysql-test/suite/ndb/r/ndb_fired_trigger_shortage.result

@@ -0,0 +1,21 @@
+select sum(high) < sum(total) from ndbinfo.ndb$pools 
+where pool_name='Fired Trigger';
+sum(high) < sum(total)
+1
+create table num (n int);
+insert into num value (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+CREATE TABLE t1 (
+a int NOT NULL,
+b int NOT NULL,
+c int NOT NULL,
+d int NOT NULL,
+PRIMARY KEY (`b`,`a`),
+unique key(d)
+) ENGINE=ndbcluster;
+insert into t1 select x1.n+x2.n*10+x3.n*100, 1, 1, 1+x1.n+x2.n*10+x3.n*100 from num as x1, num as x2, num as x3;
+ERROR HY000: Got temporary error 221 'Too many concurrently fired triggers (increase MaxNoOfFiredTriggers)' from NDBCLUSTER
+select sum(used) from ndbinfo.ndb$pools where pool_name='Fired Trigger';
+sum(used)
+0
+drop table num;
+drop table t1;

mysql-test/suite/ndb/r/ndb_fk_alter.result

@@ -22,9 +22,9 @@ child	CREATE TABLE `child` (
   PRIMARY KEY (`a`),
   UNIQUE KEY `b` (`b`) USING HASH,
   KEY `c` (`c`),
- CONSTRAINT `fk1` FOREIGN KEY(`a`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
- CONSTRAINT `fk2` FOREIGN KEY(`b`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
- CONSTRAINT `fk3` FOREIGN KEY(`c`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
+  CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  CONSTRAINT `fk2` FOREIGN KEY (`b`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  CONSTRAINT `fk3` FOREIGN KEY (`c`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
 ) ENGINE=ndbcluster DEFAULT CHARSET=latin1
 alter table child algorithm=inplace, drop foreign key fk1;
 show create table child;
@@ -36,8 +36,8 @@ child	CREATE TABLE `child` (
   PRIMARY KEY (`a`),
   UNIQUE KEY `b` (`b`) USING HASH,
   KEY `c` (`c`),
- CONSTRAINT `fk2` FOREIGN KEY(`b`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
- CONSTRAINT `fk3` FOREIGN KEY(`c`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
+  CONSTRAINT `fk2` FOREIGN KEY (`b`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  CONSTRAINT `fk3` FOREIGN KEY (`c`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
 ) ENGINE=ndbcluster DEFAULT CHARSET=latin1
 alter table child algorithm=inplace, drop foreign key fk2;
 show create table child;
@@ -49,7 +49,7 @@ child	CREATE TABLE `child` (
   PRIMARY KEY (`a`),
   UNIQUE KEY `b` (`b`) USING HASH,
   KEY `c` (`c`),
- CONSTRAINT `fk3` FOREIGN KEY(`c`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
+  CONSTRAINT `fk3` FOREIGN KEY (`c`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
 ) ENGINE=ndbcluster DEFAULT CHARSET=latin1
 alter table child algorithm=inplace, drop foreign key fk3;
 show create table child;