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-rw-r--r--mysql-test/r/delete.result11
-rw-r--r--mysql-test/t/delete.test13
2 files changed, 23 insertions, 1 deletions
diff --git a/mysql-test/r/delete.result b/mysql-test/r/delete.result
index cb632fcd6c8..7a6af8fd905 100644
--- a/mysql-test/r/delete.result
+++ b/mysql-test/r/delete.result
@@ -176,3 +176,14 @@ create table t1 (a int);
delete `4.t1` from t1 as `4.t1` where `4.t1`.a = 5;
delete FROM `4.t1` USING t1 as `4.t1` where `4.t1`.a = 5;
drop table t1;
+create table t1(a date not null);
+insert into t1 values (0);
+select * from t1 where a is null;
+a
+0000-00-00
+delete from t1 where a is null;
+select count(*) from t1;
+count(*)
+0
+drop table t1;
+End of 4.1 tests
diff --git a/mysql-test/t/delete.test b/mysql-test/t/delete.test
index d4eb01cab23..2036b59d810 100644
--- a/mysql-test/t/delete.test
+++ b/mysql-test/t/delete.test
@@ -163,4 +163,15 @@ delete `4.t1` from t1 as `4.t1` where `4.t1`.a = 5;
delete FROM `4.t1` USING t1 as `4.t1` where `4.t1`.a = 5;
drop table t1;
-# End of 4.1 tests
+#
+# Bug #8143: deleting '0000-00-00' values using IS NULL
+#
+
+create table t1(a date not null);
+insert into t1 values (0);
+select * from t1 where a is null;
+delete from t1 where a is null;
+select count(*) from t1;
+drop table t1;
+
+--echo End of 4.1 tests