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diff --git a/mysql-test/main/truncate.test b/mysql-test/main/truncate.test
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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 #