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-rw-r--r--mysql-test/r/federated.result24
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/r/federated.result b/mysql-test/r/federated.result
index a005db4deac..3a934e7fe3c 100644
--- a/mysql-test/r/federated.result
+++ b/mysql-test/r/federated.result
@@ -2045,6 +2045,30 @@ select 1 from t1 order by a;
drop table t1;
drop table t1;
drop view v1;
+CREATE TABLE t1 (a INT, b INT, KEY(a,b));
+INSERT INTO t1 VALUES(NULL,1),(1,NULL),(NULL,NULL),(1,1),(2,2);
+CREATE TABLE t1 (a INT, b INT, KEY(a,b)) ENGINE=federated
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
+SELECT * FROM t1 WHERE a IS NULL;
+a b
+NULL NULL
+NULL 1
+SELECT * FROM t1 WHERE a IS NOT NULL;
+a b
+1 NULL
+1 1
+2 2
+SELECT * FROM t1 WHERE a=1 AND b=1;
+a b
+1 1
+SELECT * FROM t1 WHERE a IS NULL AND b=1;
+a b
+NULL 1
+SELECT * FROM t1 WHERE a IS NOT NULL AND b=1;
+a b
+1 1
+DROP TABLE t1;
+DROP TABLE t1;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;
DROP TABLE IF EXISTS federated.t1;