WL#2257 REFERENTIAL_CONSTRAINTS view (79cc1546) · Commits · Software / OSDI20 Artifacts / mariadb

mysql-test/r/information_schema.result

+4 −2

Original line number	Diff line number	Diff line
		@@ -50,6 +50,7 @@ KEY_COLUMN_USAGE
		PARTITIONS
		PLUGINS
		PROCESSLIST
		REFERENTIAL_CONSTRAINTS
		ROUTINES
		SCHEMATA
		SCHEMA_PRIVILEGES
		@@ -745,7 +746,7 @@ CREATE TABLE t_crashme ( f1 BIGINT);
		CREATE VIEW a1 (t_CRASHME) AS SELECT f1 FROM t_crashme GROUP BY f1;
		CREATE VIEW a2 AS SELECT t_CRASHME FROM a1;
		count(*)
		112
		113
		drop view a2, a1;
		drop table t_crashme;
		select table_schema,table_name, column_name from
		@@ -832,6 +833,7 @@ COLUMN_PRIVILEGES TABLE_NAME select
		FILES TABLE_NAME select
		KEY_COLUMN_USAGE TABLE_NAME select
		PARTITIONS TABLE_NAME select
		REFERENTIAL_CONSTRAINTS TABLE_NAME select
		STATISTICS TABLE_NAME select
		TABLES TABLE_NAME select
		TABLE_CONSTRAINTS TABLE_NAME select
		@@ -843,7 +845,7 @@ flush privileges;
		SELECT table_schema, count(*) FROM information_schema.TABLES GROUP BY TABLE_SCHEMA;
		table_schema count(*)
		cluster 1
		information_schema 22
		information_schema 23
		mysql 21
		create table t1 (i int, j int);
		create trigger trg1 before insert on t1 for each row

mysql-test/r/information_schema_db.result

+1 −0

Original line number	Diff line number	Diff line
		@@ -13,6 +13,7 @@ KEY_COLUMN_USAGE
		PARTITIONS
		PLUGINS
		PROCESSLIST
		REFERENTIAL_CONSTRAINTS
		ROUTINES
		SCHEMATA
		SCHEMA_PRIVILEGES

mysql-test/r/information_schema_inno.result

+31 −0

Original line number	Diff line number	Diff line
		@@ -25,3 +25,34 @@ NULL test PRIMARY NULL test t3 id 1 NULL NULL NULL NULL
		NULL test t3_ibfk_1 NULL test t3 id 1 1 test t2 t1_id
		NULL test t3_ibfk_1 NULL test t3 t2_id 2 2 test t2 id
		drop table t3, t2, t1;
		CREATE TABLE t1(a1 INT NOT NULL, a2 INT NOT NULL,
		PRIMARY KEY(a1, a2)) ENGINE=INNODB;
		CREATE TABLE t2(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A1
		FOREIGN KEY (b1, b2) REFERENCES t1(a1, a2)
		ON UPDATE CASCADE ON DELETE NO ACTION) ENGINE=INNODB;
		CREATE TABLE t3(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A2
		FOREIGN KEY (b1, b2) REFERENCES t2(b1, b2)
		ON UPDATE SET NULL ON DELETE RESTRICT) ENGINE=INNODB;
		CREATE TABLE t4(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A3
		FOREIGN KEY (b1, b2) REFERENCES t3(b1, b2)
		ON UPDATE NO ACTION ON DELETE SET NULL) ENGINE=INNODB;
		CREATE TABLE t5(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A4
		FOREIGN KEY (b1, b2) REFERENCES t4(b1, b2)
		ON UPDATE RESTRICT ON DELETE CASCADE) ENGINE=INNODB;
		select a.CONSTRAINT_SCHEMA, b.TABLE_NAME, CONSTRAINT_TYPE,
		b.CONSTRAINT_NAME, UNIQUE_CONSTRAINT_SCHEMA, UNIQUE_CONSTRAINT_NAME,
		MATCH_OPTION, UPDATE_RULE, DELETE_RULE
		from information_schema.TABLE_CONSTRAINTS a,
		information_schema.REFERENTIAL_CONSTRAINTS b
		where a.CONSTRAINT_SCHEMA = 'test' and a.CONSTRAINT_SCHEMA = b.CONSTRAINT_SCHEMA and
		a.CONSTRAINT_NAME = b.CONSTRAINT_NAME;
		CONSTRAINT_SCHEMA TABLE_NAME CONSTRAINT_TYPE CONSTRAINT_NAME UNIQUE_CONSTRAINT_SCHEMA UNIQUE_CONSTRAINT_NAME MATCH_OPTION UPDATE_RULE DELETE_RULE
		test t2 FOREIGN KEY A1 test t1 NONE CASCADE NO ACTION
		test t3 FOREIGN KEY A2 test t2 NONE SET NULL RESTRICT
		test t4 FOREIGN KEY A3 test t3 NONE NO ACTION SET NULL
		test t5 FOREIGN KEY A4 test t4 NONE RESTRICT CASCADE
		drop tables t5, t4, t3, t2, t1;

mysql-test/t/information_schema_inno.test

+32 −0

Original line number	Diff line number	Diff line
		@@ -21,3 +21,35 @@ select * from information_schema.KEY_COLUMN_USAGE where
		TABLE_SCHEMA= "test";

		drop table t3, t2, t1;

		#
		# Test for REFERENTIAL_CONSTRAINTS table
		#
		CREATE TABLE t1(a1 INT NOT NULL, a2 INT NOT NULL,
		PRIMARY KEY(a1, a2)) ENGINE=INNODB;
		CREATE TABLE t2(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A1
		FOREIGN KEY (b1, b2) REFERENCES t1(a1, a2)
		ON UPDATE CASCADE ON DELETE NO ACTION) ENGINE=INNODB;
		CREATE TABLE t3(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A2
		FOREIGN KEY (b1, b2) REFERENCES t2(b1, b2)
		ON UPDATE SET NULL ON DELETE RESTRICT) ENGINE=INNODB;
		CREATE TABLE t4(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A3
		FOREIGN KEY (b1, b2) REFERENCES t3(b1, b2)
		ON UPDATE NO ACTION ON DELETE SET NULL) ENGINE=INNODB;
		CREATE TABLE t5(b1 INT, b2 INT, INDEX (b1, b2),
		CONSTRAINT A4
		FOREIGN KEY (b1, b2) REFERENCES t4(b1, b2)
		ON UPDATE RESTRICT ON DELETE CASCADE) ENGINE=INNODB;


		select a.CONSTRAINT_SCHEMA, b.TABLE_NAME, CONSTRAINT_TYPE,
		b.CONSTRAINT_NAME, UNIQUE_CONSTRAINT_SCHEMA, UNIQUE_CONSTRAINT_NAME,
		MATCH_OPTION, UPDATE_RULE, DELETE_RULE
		from information_schema.TABLE_CONSTRAINTS a,
		information_schema.REFERENTIAL_CONSTRAINTS b
		where a.CONSTRAINT_SCHEMA = 'test' and a.CONSTRAINT_SCHEMA = b.CONSTRAINT_SCHEMA and
		a.CONSTRAINT_NAME = b.CONSTRAINT_NAME;
		drop tables t5, t4, t3, t2, t1;

sql/ha_innodb.cc

+49 −28

Original line number	Diff line number	Diff line
		@@ -5827,35 +5827,56 @@ ha_innobase::get_foreign_key_list(THD thd, List<FOREIGN_KEY_INFO> f_key_list)
		break;
		}

		ulong length= 0;
		if (foreign->type == DICT_FOREIGN_ON_DELETE_CASCADE) {
		length=17;
		tmp_buff= "ON DELETE CASCADE";
		ulong length;
		if (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE)
		{
		length=7;
		tmp_buff= "CASCADE";
		}
		else if (foreign->type == DICT_FOREIGN_ON_DELETE_SET_NULL) {
		length=18;
		tmp_buff= "ON DELETE SET NULL";
		else if (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL)
		{
		length=8;
		tmp_buff= "SET NULL";
		}
		else if (foreign->type == DICT_FOREIGN_ON_DELETE_NO_ACTION) {
		length=19;
		tmp_buff= "ON DELETE NO ACTION";
		else if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION)
		{
		length=9;
		tmp_buff= "NO ACTION";
		}
		else if (foreign->type == DICT_FOREIGN_ON_UPDATE_CASCADE) {
		length=17;
		tmp_buff= "ON UPDATE CASCADE";
		else
		{
		length=8;
		tmp_buff= "RESTRICT";
		}
		else if (foreign->type == DICT_FOREIGN_ON_UPDATE_SET_NULL) {
		length=18;
		tmp_buff= "ON UPDATE SET NULL";
		f_key_info.delete_method= make_lex_string(thd, f_key_info.delete_method,
		tmp_buff, length, 1);


		if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE)
		{
		length=7;
		tmp_buff= "CASCADE";
		}
		else if (foreign->type == DICT_FOREIGN_ON_UPDATE_NO_ACTION) {
		length=19;
		tmp_buff= "ON UPDATE NO ACTION";
		else if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL)
		{
		length=8;
		tmp_buff= "SET NULL";
		}
		else if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION)
		{
		length=9;
		tmp_buff= "NO ACTION";
		}
		f_key_info.constraint_method= make_lex_string(thd,
		f_key_info.constraint_method,
		else
		{
		length=8;
		tmp_buff= "RESTRICT";
		}
		f_key_info.update_method= make_lex_string(thd, f_key_info.update_method,
		tmp_buff, length, 1);



		FOREIGN_KEY_INFO pf_key_info= ((FOREIGN_KEY_INFO )
		thd->memdup((gptr) &f_key_info,
		sizeof(FOREIGN_KEY_INFO)));