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700a361a6a
------------------------------------------------------------ 2599.161.3 Ingo Struewing 2009-07-21 Bug#20667 - Truncate table fails for a write locked table TRUNCATE TABLE was not allowed under LOCK TABLES. The patch removes this restriction. mysql_truncate() does now handle that case.
162 lines
3.5 KiB
Plaintext
162 lines
3.5 KiB
Plaintext
drop table if exists t1, t2;
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create table t1 (a integer, b integer,c1 CHAR(10));
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insert into t1 (a) values (1),(2);
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truncate table t1;
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select count(*) from t1;
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count(*)
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0
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insert into t1 values(1,2,"test");
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select count(*) from t1;
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count(*)
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1
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delete from t1;
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select * from t1;
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a b c1
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drop table t1;
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select count(*) from t1;
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ERROR 42S02: Table 'test.t1' doesn't exist
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create temporary table t1 (n int);
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insert into t1 values (1),(2),(3);
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truncate table t1;
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select * from t1;
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n
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drop table t1;
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truncate non_existing_table;
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ERROR 42S02: Table 'test.non_existing_table' doesn't exist
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create table t1 (a integer auto_increment primary key);
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insert into t1 (a) values (NULL),(NULL);
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truncate table t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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a
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1
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2
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delete from t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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a
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3
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4
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drop table t1;
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create temporary table t1 (a integer auto_increment primary key);
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insert into t1 (a) values (NULL),(NULL);
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truncate table t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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a
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1
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2
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delete from t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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a
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3
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4
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drop table t1;
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create table t1 (s1 int);
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insert into t1 (s1) values (1), (2), (3), (4), (5);
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create view v1 as select * from t1;
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truncate table v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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drop view v1;
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drop table t1;
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#
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# Bug#20667 - Truncate table fails for a write locked table
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#
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CREATE TABLE t1 (c1 INT);
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LOCK TABLE t1 WRITE;
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INSERT INTO t1 VALUES (1);
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SELECT * FROM t1;
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c1
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1
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TRUNCATE TABLE t1;
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SELECT * FROM t1;
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c1
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UNLOCK TABLES;
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LOCK TABLE t1 READ;
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TRUNCATE TABLE t1;
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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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CREATE TABLE t2 (c1 INT);
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LOCK TABLE t2 WRITE;
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TRUNCATE TABLE t1;
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ERROR HY000: Table 't1' was not locked with LOCK TABLES
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UNLOCK TABLES;
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CREATE VIEW v1 AS SELECT t1.c1 FROM t1,t2 WHERE t1.c1 = t2.c1;
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INSERT INTO t1 VALUES (1), (2), (3);
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INSERT INTO t2 VALUES (1), (3), (4);
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SELECT * FROM v1;
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c1
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1
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3
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TRUNCATE v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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SELECT * FROM v1;
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c1
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1
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3
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LOCK TABLE t1 WRITE;
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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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TRUNCATE v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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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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UNLOCK TABLES;
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LOCK TABLE t1 WRITE, t2 WRITE;
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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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TRUNCATE v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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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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UNLOCK TABLES;
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LOCK TABLE v1 WRITE;
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SELECT * FROM v1;
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c1
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1
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3
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TRUNCATE v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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SELECT * FROM v1;
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c1
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1
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3
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UNLOCK TABLES;
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LOCK TABLE t1 WRITE, t2 WRITE, v1 WRITE;
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SELECT * FROM v1;
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c1
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1
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3
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TRUNCATE v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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SELECT * FROM v1;
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c1
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1
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3
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UNLOCK TABLES;
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DROP VIEW v1;
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DROP TABLE t1, t2;
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CREATE PROCEDURE p1() SET @a = 5;
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TRUNCATE p1;
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ERROR 42S02: Table 'test.p1' doesn't exist
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SHOW CREATE PROCEDURE p1;
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Procedure sql_mode Create Procedure character_set_client collation_connection Database Collation
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p1 CREATE DEFINER=`root`@`localhost` PROCEDURE `p1`()
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SET @a = 5 latin1 latin1_swedish_ci latin1_swedish_ci
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DROP PROCEDURE p1;
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#
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# Bug#46452 Crash in MDL, HANDLER OPEN + TRUNCATE TABLE
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#
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 AS SELECT 1 AS f1;
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HANDLER t1 OPEN;
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# Here comes the crash.
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TRUNCATE t1;
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# Currently TRUNCATE, just like other DDL, implicitly closes
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# open HANDLER table.
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HANDLER t1 READ FIRST;
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ERROR 42S02: Unknown table 't1' in HANDLER
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DROP TABLE t1;
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# End of 6.0 tests
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