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a5a43da10e
added new field 'REFERENCED_TABLE_NAME' to 'referential_constraints' table field 'UNIQUE_CONSTRAINT_NAME' contains the name of the referenced index
79 lines
2.8 KiB
Plaintext
79 lines
2.8 KiB
Plaintext
-- source include/testdb_only.inc
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-- source include/have_innodb.inc
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--disable_warnings
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DROP TABLE IF EXISTS t1,t2,t3;
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--enable_warnings
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#
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# Test for KEY_COLUMN_USAGE & TABLE_CONSTRAINTS tables
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#
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CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB;
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CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id, id),
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FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE,
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FOREIGN KEY (t1_id) REFERENCES t1(id) ON UPDATE CASCADE) ENGINE=INNODB;
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CREATE TABLE t3 (id INT PRIMARY KEY, t2_id INT, INDEX par_ind (t2_id),
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FOREIGN KEY (id, t2_id) REFERENCES t2(t1_id, id) ON DELETE CASCADE) ENGINE=INNODB;
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select * from information_schema.TABLE_CONSTRAINTS where
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TABLE_SCHEMA= "test";
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select * from information_schema.KEY_COLUMN_USAGE where
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TABLE_SCHEMA= "test";
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drop table t3, t2, t1;
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#
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# Test for REFERENTIAL_CONSTRAINTS table
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#
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CREATE TABLE t1(a1 INT NOT NULL, a2 INT NOT NULL,
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PRIMARY KEY(a1, a2)) ENGINE=INNODB;
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CREATE TABLE t2(b1 INT, b2 INT, INDEX (b1, b2),
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CONSTRAINT A1
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FOREIGN KEY (b1, b2) REFERENCES t1(a1, a2)
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ON UPDATE CASCADE ON DELETE NO ACTION) ENGINE=INNODB;
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CREATE TABLE t3(b1 INT, b2 INT, INDEX t3_indx (b1, b2),
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CONSTRAINT A2
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FOREIGN KEY (b1, b2) REFERENCES t2(b1, b2)
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ON UPDATE SET NULL ON DELETE RESTRICT) ENGINE=INNODB;
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CREATE TABLE t4(b1 INT, b2 INT, UNIQUE KEY t4_ukey (b1, b2),
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CONSTRAINT A3
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FOREIGN KEY (b1, b2) REFERENCES t3(b1, b2)
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ON UPDATE NO ACTION ON DELETE SET NULL) ENGINE=INNODB;
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CREATE TABLE t5(b1 INT, b2 INT, INDEX (b1, b2),
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CONSTRAINT A4
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FOREIGN KEY (b1, b2) REFERENCES t4(b1, b2)
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ON UPDATE RESTRICT ON DELETE CASCADE) ENGINE=INNODB;
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select a.CONSTRAINT_SCHEMA, b.TABLE_NAME, CONSTRAINT_TYPE,
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b.CONSTRAINT_NAME, UNIQUE_CONSTRAINT_SCHEMA, UNIQUE_CONSTRAINT_NAME,
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MATCH_OPTION, UPDATE_RULE, DELETE_RULE, b.REFERENCED_TABLE_NAME
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from information_schema.TABLE_CONSTRAINTS a,
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information_schema.REFERENTIAL_CONSTRAINTS b
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where a.CONSTRAINT_SCHEMA = 'test' and a.CONSTRAINT_SCHEMA = b.CONSTRAINT_SCHEMA and
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a.CONSTRAINT_NAME = b.CONSTRAINT_NAME;
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drop tables t5, t4, t3, t2, t1;
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#
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# Bug#25026 `information_schema.KEY_COLUMN_USAGE`.`REFERENCED_TABLE_NAME` returns garbage
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#
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create database `db-1`;
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use `db-1`;
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create table `t-2` (
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id int(10) unsigned not null auto_increment,
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primary key (id)
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) engine=innodb;
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create table `t-1` (
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id int(10) unsigned not null auto_increment,
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idtype int(10) unsigned not null,
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primary key (id),
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key fk_t1_1 (idtype),
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constraint fk_t1_1 foreign key (idtype) references `t-2` (id)
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) engine=innodb;
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use test;
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select referenced_table_schema, referenced_table_name
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from information_schema.key_column_usage
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where constraint_schema = 'db-1';
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drop database `db-1`;
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