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-rw-r--r--mysql-test/t/lock.test4
1 files changed, 4 insertions, 0 deletions
diff --git a/mysql-test/t/lock.test b/mysql-test/t/lock.test
index 69c453bf60a..26fc4e32bda 100644
--- a/mysql-test/t/lock.test
+++ b/mysql-test/t/lock.test
@@ -53,5 +53,9 @@ check table t1;
# Check error message
lock tables t1 write;
check table t2;
+--error 1100
+insert into t1 select nr from t1;
unlock tables;
+lock tables t1 write, t1 as t1_alias read;
+insert into t1 select index1,nr from t1 as t1_alias;
drop table t1,t2;