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#
# Test of truncate
#
create table t1 (a integer, b integer,c1 CHAR(10));
insert into t1 (a) values (1),(2);
truncate table t1;
select count(*) from t1;
insert into t1 values(1,2,"test");
select count(*) from t1;
delete from t1;
select * from t1;
drop table t1;
# The following should fail
--error 1146
select count(*) from t1;
create temporary table t1 (n int);
insert into t1 values (1),(2),(3);
truncate table t1;
select * from t1;
drop table t1;
--error 1146
truncate non_existing_table;
#
# test autoincrement with TRUNCATE; verifying difference with DELETE
#
create table t1 (a integer auto_increment primary key);
insert into t1 (a) values (NULL),(NULL);
truncate table t1;
insert into t1 (a) values (NULL),(NULL);
SELECT * from t1;
delete from t1;
insert into t1 (a) values (NULL),(NULL);
SELECT * from t1;
drop table t1;
# Verifying that temp tables are handled the same way
create temporary table t1 (a integer auto_increment primary key);
insert into t1 (a) values (NULL),(NULL);
truncate table t1;
insert into t1 (a) values (NULL),(NULL);
SELECT * from t1;
delete from t1;
insert into t1 (a) values (NULL),(NULL);
SELECT * from t1;
drop table t1;
# End of 4.1 tests
# Test for Bug#5507 "TRUNCATE should work with views"
#
# when it'll be fixed, the error should become 1347
# (test.v1' is not of type 'BASE TABLE')
#
create table t1 (s1 int);
insert into t1 (s1) values (1), (2), (3), (4), (5);
create view v1 as select * from t1;
--error 1146
truncate table v1;
drop view v1;
drop table t1;
# End of 5.0 tests
--echo #
--echo # Bug#20667 - Truncate table fails for a write locked table
--echo #
--disable_service_connection
CREATE TABLE t1 (c1 INT);
LOCK TABLE t1 WRITE;
INSERT INTO t1 VALUES (1);
SELECT * FROM t1;
TRUNCATE TABLE t1;
SELECT * FROM t1;
UNLOCK TABLES;
#
LOCK TABLE t1 READ;
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
TRUNCATE TABLE t1;
UNLOCK TABLES;
#
CREATE TABLE t2 (c1 INT);
LOCK TABLE t2 WRITE;
--error ER_TABLE_NOT_LOCKED
TRUNCATE TABLE t1;
UNLOCK TABLES;
#
CREATE VIEW v1 AS SELECT t1.c1 FROM t1,t2 WHERE t1.c1 = t2.c1;
INSERT INTO t1 VALUES (1), (2), (3);
INSERT INTO t2 VALUES (1), (3), (4);
SELECT * FROM v1;
--error ER_NO_SUCH_TABLE
TRUNCATE v1;
SELECT * FROM v1;
#
LOCK TABLE t1 WRITE;
--error ER_TABLE_NOT_LOCKED
SELECT * FROM v1;
--error ER_TABLE_NOT_LOCKED
TRUNCATE v1;
--error ER_TABLE_NOT_LOCKED
SELECT * FROM v1;
UNLOCK TABLES;
#
LOCK TABLE t1 WRITE, t2 WRITE;
--error ER_TABLE_NOT_LOCKED
SELECT * FROM v1;
--error ER_TABLE_NOT_LOCKED
TRUNCATE v1;
--error ER_TABLE_NOT_LOCKED
SELECT * FROM v1;
UNLOCK TABLES;
#
LOCK TABLE v1 WRITE;
SELECT * FROM v1;
--error ER_TABLE_NOT_LOCKED
TRUNCATE v1;
SELECT * FROM v1;
UNLOCK TABLES;
#
LOCK TABLE t1 WRITE, t2 WRITE, v1 WRITE;
SELECT * FROM v1;
--error ER_TABLE_NOT_LOCKED
TRUNCATE v1;
SELECT * FROM v1;
UNLOCK TABLES;
#
DROP VIEW v1;
DROP TABLE t1, t2;
#
CREATE PROCEDURE p1() SET @a = 5;
--error ER_NO_SUCH_TABLE
TRUNCATE p1;
SHOW CREATE PROCEDURE p1;
DROP PROCEDURE p1;
--enable_service_connection
--echo #
--echo # Bug#46452 Crash in MDL, HANDLER OPEN + TRUNCATE TABLE
--echo #
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 AS SELECT 1 AS f1;
HANDLER t1 OPEN;
--echo # Here comes the crash.
TRUNCATE t1;
--echo # Currently TRUNCATE, just like other DDL, implicitly closes
--echo # open HANDLER table.
--error ER_UNKNOWN_TABLE
HANDLER t1 READ FIRST;
# Cleanup
DROP TABLE t1;
--echo #
--echo # End of 5.5 tests
--echo #
|
