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on CREATE TABLE .. SELECT I_S.PART This assert was triggered if an InnoDB table was created using CREATE TABLE ... AS SELECT where the query used an I_S table, and a view existed in the database. It would also be triggered for any statement changing an InnoDB table (e.g. INSERT, UPDATE, DELETE) which had a subquery referencing an I_S table. The assert was triggered if open_normal_and_derived_tables() failed and a statement transaction had been started. This will usually not happen as tables are opened before a statement transaction is started. However, e.g. CREATE TABLE ... AS SELECT starts a transaction in order to insert tuples into the new table. And if the subquery references an I_S table, all current tables and views can be opened in order to fill the I_S table on the fly. If a view is discovered, open will fail as it is instructed to open tables only (OPEN_TABLE_ONLY). This would cause the assert to be triggered. The assert was added in the patch for Bug#52044 and was therefore not in any released versions of the server. This patch fixes the problem by adjusting the assert to take into consideration the possibility of tables being opened as part of an I_S query. This is similar to what is already done for close_tables_for_reopen(). Test case added to information_schema_inno.test.
111 lines
3.6 KiB
Text
111 lines
3.6 KiB
Text
-- 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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#
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# Bug#35108 SELECT FROM REFERENTIAL_CONSTRAINTS crashes
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#
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create table t1(id int primary key) engine = Innodb;
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create table t2(pid int, foreign key (pid) references t1(id)) engine = Innodb;
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set foreign_key_checks = 0;
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drop table t1;
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select UNIQUE_CONSTRAINT_NAME
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from information_schema.referential_constraints
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where constraint_schema = schema();
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drop table t2;
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set foreign_key_checks = 1;
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--echo #
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--echo # Bug#55973 Assertion `thd->transaction.stmt.is_empty()'
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--echo # on CREATE TABLE .. SELECT I_S.PART
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--echo #
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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DROP VIEW IF EXISTS v1;
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--enable_warnings
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CREATE VIEW v1 AS SELECT 1;
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# This used to case an assert.
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CREATE TABLE t1 engine = InnoDB AS
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SELECT * FROM information_schema.partitions
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WHERE table_schema= 'test' AND table_name= 'v1';
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DROP TABLE t1;
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DROP VIEW v1;
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