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454 lines
14 KiB
454 lines
14 KiB
drop table if exists t0,t1,t2,t3,t4;
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drop table if exists t0,t5,t6,t7,t8,t9,t1_1,t1_2,t9_1,t9_2;
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create table t0 SELECT 1,"table 1";
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create table t2 SELECT 2,"table 2";
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create table t3 SELECT 3,"table 3";
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rename table t0 to t1;
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
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select * from t1;
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3 table 3
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3 table 3
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
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select * from t1;
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1 table 1
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1 table 1
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rename table t1 to t2;
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Got one of the listed errors
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rename table t1 to t1;
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Got one of the listed errors
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t2;
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Got one of the listed errors
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show tables like "t_";
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Tables_in_test (t_)
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t1
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t2
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t3
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rename table t3 to t1, t2 to t3, t1 to t2, t4 to t1;
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Got one of the listed errors
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rename table t3 to t4, t5 to t3, t1 to t2, t4 to t1;
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Got one of the listed errors
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select * from t1;
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1 table 1
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1 table 1
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select * from t2;
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2 table 2
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2 table 2
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select * from t3;
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3 table 3
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3 table 3
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drop table if exists t1,t2,t3,t4;
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Warnings:
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Note 1051 Unknown table 'test.t4'
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CREATE TABLE t1 (a int);
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CREATE TABLE t3 (a int);
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FLUSH TABLES WITH READ LOCK;
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RENAME TABLE t1 TO t2, t3 to t4;
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show tables;
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Tables_in_test
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t1
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t3
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UNLOCK TABLES;
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show tables;
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Tables_in_test
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t2
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t4
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drop table t2, t4;
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End of 4.1 tests
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#
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# Bug#14959: "ALTER TABLE isn't able to rename a view"
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# Bug#53976: "ALTER TABLE RENAME is allowed on views
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# (not documented, broken)"
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#
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create table t1(f1 int);
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create view v1 as select * from t1;
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alter table v1 rename to v2;
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ERROR HY000: 'test.v1' is not BASE TABLE
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drop view v1;
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drop table t1;
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End of 5.0 tests
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#
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# Bug#20197870: sql_table.cc: bool mysql_rename_table ...
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# assertion `error==0\' failed.
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# The test crashes server without the fix.
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#
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SET @orig_innodb_file_per_table= @@innodb_file_per_table;
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SET GLOBAL innodb_file_per_table = 0;
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create table t1(f1 int) engine=innodb;
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rename table test.t1 to nonexistingdb.t2;
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ERROR 42000: Unknown database 'nonexistingdb'
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drop table t1;
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SET GLOBAL innodb_file_per_table = @orig_innodb_file_per_table;
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#
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# Test coverage for WL#9826 "Allow RENAME TABLES under LOCK TABLES".
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#
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SET @old_lock_wait_timeout= @@lock_wait_timeout;
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connect con1, localhost, root,,;
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SET @old_lock_wait_timeout= @@lock_wait_timeout;
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connection default;
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#
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# 1) Requirements on table locking for tables renamed and
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# target table names.
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#
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# 1.1) Requirements on renamed table locks.
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CREATE TABLE t1 (i INT);
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CREATE TABLE t2 (j INT);
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LOCK TABLES t1 READ;
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# Renamed table must be locked.
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RENAME TABLE t2 TO t3;
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ERROR HY000: Table 't2' was not locked with LOCK TABLES
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# Moreover, renamed table must be locked for write.
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RENAME TABLE t1 TO t3;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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LOCK TABLE t1 WRITE;
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# Renaming write-locked table is OK, there is no need
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# (and way) to lock target table name.
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RENAME TABLE t1 TO t3;
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# There is no need to lock source name for the table, if it is
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# result of some earlier step of the same RENAME TABLES.
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RENAME TABLE t3 TO t4, t4 TO t5;
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UNLOCK TABLES;
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# Special case involving foreign keys. If RENAME TABLE is
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# going to provide parent for some orphan FK, then the
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# child table of this FK needs to be write locked, or
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# FK invariants for LOCK TABLES will be broken,
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SET FOREIGN_KEY_CHECKS=0;
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CREATE TABLE t1 (fk INT, FOREIGN KEY(fk) REFERENCES t3(pk));
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SET FOREIGN_KEY_CHECKS=1;
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CREATE TABLE t0 (pk INT PRIMARY KEY);
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LOCK TABLES t0 WRITE;
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RENAME TABLE t0 TO t3;
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ERROR HY000: Table 't1' was not locked with LOCK TABLES
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UNLOCK TABLES;
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LOCK TABLES t1 READ, t0 WRITE;
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RENAME TABLE t0 TO t3;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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LOCK TABLES t1 WRITE, t0 WRITE;
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RENAME TABLE t0 TO t3;
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UNLOCK TABLES;
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DROP TABLES t1, t3;
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#
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# 1.2) Locking of target table.
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#
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# This part of test resides in rename_debug.test.
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#
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# 2) Failure to acquire/upgrade locks on tables involved.
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#
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# This part of test resides in rename_debug.test.
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#
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# 3) Effects of RENAME TABLES on set of locked tables and
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# metadata locks held.
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#
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# 3.1) Trivial RENAME TABLE.
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LOCK TABLES t5 WRITE;
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RENAME TABLE t5 TO t4;
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# Table is available under new name under LOCK TABLES.
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SELECT * FROM t4;
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i
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connection con1;
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# Access by new name from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM t4;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# But not for old table name.
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SELECT * FROM t5;
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ERROR 42S02: Table 'test.t5' doesn't exist
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connection default;
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UNLOCK TABLES;
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#
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# 3.2) RENAME TABLE in case when several tables are locked.
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LOCK TABLES t2 READ, t4 WRITE;
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RENAME TABLE t4 TO t5;
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# Table t2 should be still locked, and t4 should be available as t5
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# with correct lock type.
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SELECT * FROM t2;
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j
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INSERT INTO t5 values (1);
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UNLOCK TABLES;
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#
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# 3.3) RENAME TABLE in case when same table locked more than once.
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LOCK TABLES t2 READ, t5 WRITE, t5 AS a WRITE, t5 AS b READ;
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RENAME TABLE t5 TO t4;
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# Check that tables are locked under correct aliases and with modes.
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SELECT * FROM t4 AS a, t4 AS b;
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i i
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1 1
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INSERT INTO t4 VALUES (2);
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DELETE a FROM t4 AS a, t4 AS b;
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DELETE b FROM t4 AS a, t4 AS b;
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ERROR HY000: Table 'b' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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#
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# 3.4) RENAME TABLES which does old good table swap.
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LOCK TABLES t2 WRITE, t4 WRITE;
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RENAME TABLES t2 TO t0, t4 TO t2, t0 TO t4;
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# Tables are available under new name under LOCK TABLES.
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SELECT * FROM t2;
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i
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SELECT * FROM t4;
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j
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connection con1;
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# Access by new names from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM t2;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SELECT * FROM t4;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# But not for auxiliary name.
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SELECT * FROM t0;
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ERROR 42S02: Table 'test.t0' doesn't exist
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connection default;
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UNLOCK TABLES;
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#
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# 3.5) RENAME TABLES which renames same table several times.
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LOCK TABLE t2 WRITE;
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RENAME TABLES t2 TO t1, t1 TO t3, t3 TO t5;
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# Table is available under new name under LOCK TABLES.
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SELECT * FROM t5;
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i
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# But not under other names.
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SELECT * FROM t1;
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ERROR HY000: Table 't1' was not locked with LOCK TABLES
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SELECT * FROM t2;
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ERROR HY000: Table 't2' was not locked with LOCK TABLES
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SELECT * FROM t3;
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ERROR HY000: Table 't3' was not locked with LOCK TABLES
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connection con1;
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# Access by new name from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM t5;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# But not for other names
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SELECT * FROM t1;
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ERROR 42S02: Table 'test.t1' doesn't exist
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SELECT * FROM t2;
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ERROR 42S02: Table 'test.t2' doesn't exist
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SELECT * FROM t3;
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ERROR 42S02: Table 'test.t3' doesn't exist
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connection default;
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UNLOCK TABLES;
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#
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# 3.6) RENAME TABLES which renames 2 tables while additional
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# table is locked.
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CREATE TABLE t6(k INT);
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LOCK TABLES t4 WRITE, t5 WRITE, t6 WRITE;
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RENAME TABLES t4 TO t1, t5 TO t2;
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# Renamed tables are available under new names.
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SELECT * FROM t1;
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j
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SELECT * FROM t2;
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i
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# But not under other names.
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SELECT * FROM t4;
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ERROR HY000: Table 't4' was not locked with LOCK TABLES
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SELECT * FROM t5;
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ERROR HY000: Table 't5' was not locked with LOCK TABLES
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# Untouched table is still available.
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SELECT * FROM t6;
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k
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connection con1;
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# Access by new name from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM t1;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SELECT * FROM t2;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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# And access to untouched table too.
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SELECT * FROM t6;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# Old names should not be locked.
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SELECT * FROM t4;
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ERROR 42S02: Table 'test.t4' doesn't exist
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SELECT * FROM t5;
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ERROR 42S02: Table 'test.t5' doesn't exist
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connection default;
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UNLOCK TABLES;
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DROP TABLES t1, t2, t6;
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#
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# 4) Effects of failed RENAME TABLES on set of locked tables and
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# metadata locks held.
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#
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# 4.1) Atomic RENAME TABLES which fails at late stage should be
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# fully rolled back.
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CREATE TABLE t1 (i INT) ENGINE=InnoDB;
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CREATE TABLE t2 (j INT) ENGINE=InnoDB;
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CREATE TABLE t3 (k INT) ENGINE=InnoDB;
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CREATE TABLE t4 (l INT) ENGINE=InnoDB;
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LOCK TABLES t1 WRITE, t2 WRITE, t3 WRITE;
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RENAME TABLES t1 TO t0, t2 TO t4;
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ERROR 42S01: Table 't4' already exists
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# Tables are available under old names.
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SELECT * FROM t1;
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i
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SELECT * FROM t2;
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j
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# Including untouched table.
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SELECT * FROM t3;
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k
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# And not under new names.
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SELECT * FROM t0;
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ERROR HY000: Table 't0' was not locked with LOCK TABLES
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SELECT * FROM t4;
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ERROR HY000: Table 't4' was not locked with LOCK TABLES
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connection con1;
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# Access by old names from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM t1;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SELECT * FROM t2;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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# And access to untouched table too.
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SELECT * FROM t3;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# New names should not be locked.
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SELECT * FROM t0;
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ERROR 42S02: Table 'test.t0' doesn't exist
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SELECT * FROM t4;
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l
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connection default;
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UNLOCK TABLES;
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DROP TABLES t1, t2, t3, t4;
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#
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# 4.3) Non-atomic RENAME TABLES which fails at late stage and
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# is NOT fully reverted.
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#
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# This part of test resides in rename_debug.test.
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#
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# 5) RENAME TABLES under LOCK TABLES and views.
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#
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# 5.1) Requirements on locking is similar to tables.
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CREATE TABLE t1 (i INT);
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CREATE TABLE t2 (j INT);
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CREATE VIEW v1 AS SELECT * FROM t1;
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CREATE VIEW v2 AS SELECT * FROM t2;
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LOCK TABLES t1 WRITE;
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RENAME TABLE v1 TO v2;
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ERROR HY000: Table 'v1' was not locked with LOCK TABLES
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UNLOCK TABLES;
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LOCK TABLES v1 READ;
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RENAME TABLE v1 TO v2;
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ERROR HY000: Table 'v1' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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#
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# Coverage for target name resides in rename_debug.test.
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#
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# 5.2) Effects of RENAME TABLE on a view on the
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# set of locked tables and metadata locks.
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LOCK TABLES v1 WRITE;
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RENAME TABLE v1 TO v3;
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# View is available under new name under LOCK TABLES.
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INSERT INTO v3 VALUES (1);
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# And not under old name.
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SELECT * FROM v1;
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ERROR HY000: Table 'v1' was not locked with LOCK TABLES
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connection con1;
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# Access by new name from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM v3;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# But not for old table name.
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SELECT * FROM v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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connection default;
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UNLOCK TABLES;
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#
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# A bit more complex RENAME TABLE which swaps two views.
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LOCK TABLES v2 WRITE, v3 WRITE;
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RENAME TABLE v2 TO v0, v3 TO v2, v0 TO v3;
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# Views are available under new name under LOCK TABLES.
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SELECT * FROM v2;
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i
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1
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SELECT * FROM v3;
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j
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connection con1;
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# Access by new names from other connections should be blocked.
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SET @@lock_wait_timeout= 1;
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SELECT * FROM v2;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SELECT * FROM v3;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET @@lock_wait_timeout= @old_lock_wait_timeout;
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# But not for auxiliary name.
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SELECT * FROM v0;
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ERROR 42S02: Table 'test.v0' doesn't exist
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connection default;
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UNLOCK TABLES;
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DROP VIEW v2;
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DROP VIEW v3;
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DROP TABLES t1, t2;
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#
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# 6) RENAME TABLES under LOCK TABLES and foreign keys.
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#
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# 6.1) Renaming of child table updates parent definition.
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CREATE TABLE t1 (pk INT PRIMARY KEY);
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INSERT INTO t1 VALUES (1);
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CREATE TABLE t2 (fk INT, FOREIGN KEY (fk) REFERENCES t1 (pk));
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INSERT INTO t2 VALUES (1);
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CREATE TABLE t3 (fk INT);
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CREATE TABLE t4 (pk INT NOT NULL, UNIQUE(pk));
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INSERT INTO t4 VALUES (2);
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LOCK TABLES t1 WRITE, t2 WRITE, t3 WRITE, t4 WRITE;
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RENAME TABLES t2 TO t0, t3 TO t2, t0 TO t3;
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# The above RENAME TABLES should have updated parent definition
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# so below DELETE goes to new 't3' (old 't2') when checking if
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# rows can be deleted.
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DELETE FROM t1;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t1` (`pk`))
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#
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# 6.2) Renaming of parent table updates parent definition as well.
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RENAME TABLE t1 TO t0, t4 TO t1, t0 TO t4;
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# The above RENAME TABLES should have updated child definition
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# so below INSERT goes to new 't4' (old 't1') when checking if
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# row can be inserted.
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INSERT INTO t3 VALUES (2);
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`))
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SHOW CREATE TABLE t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`fk` int(11) DEFAULT NULL,
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KEY `fk` (`fk`),
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CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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# Parent key name still should be PRIMARY.
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SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't3';
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UNIQUE_CONSTRAINT_NAME
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PRIMARY
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UNLOCK TABLES;
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#
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# 6.3) RENAME TABLES which adds parent to orphan FK updates
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# child definition.
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# Make FK on t3 orphan.
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SET foreign_key_checks = 0;
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DROP TABLES t1, t2, t4;
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SET foreign_key_checks = 1;
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CREATE TABLE t1 (pk INT NOT NULL, UNIQUE(pk));
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INSERT INTO t1 VALUES (1), (2);
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LOCK TABLES t1 WRITE, t3 WRITE;
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# Add parent for orphan FK.
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RENAME TABLE t1 TO t4;
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# Child definition should be updated to reflect new parent.
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INSERT INTO t3 VALUES (2);
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INSERT INTO t3 VALUES (3);
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`))
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# Parent key name should be 'pk'.
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SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't3';
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UNIQUE_CONSTRAINT_NAME
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pk
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# Parent definition should be aware of new child as well.
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DELETE FROM t4;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`))
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UNLOCK TABLES;
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DROP TABLE t3, t4;
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# Clean-up.
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connection con1;
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disconnect con1;
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connection default;
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|