1 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/r/func_set.result b/mysql-test/r/func_set.result
index 14ebc8203ec..ba9500bff46 100644
--- a/mysql-test/r/func_set.result
+++ b/mysql-test/r/func_set.result
@@ -159,3 +159,45 @@ SELECT CONVERT( a USING latin1 ) FROM t2;
 CONVERT( a USING latin1 )
 
 DROP TABLE t1, t2;
+#
+# BUG#59405: FIND_IN_SET won't work normaly after upgrade from 5.1 to 5.5
+#
+CREATE TABLE t1(days set('1','2','3','4','5','6','7'));
+INSERT INTO t1 VALUES('1,2,3,4,5,6,7'), (NULL), ('1,2,3,4,5,6,7');
+
+SELECT * FROM t1 WHERE FIND_IN_SET(DAYOFWEEK(CURRENT_DATE()), days);
+days
+1,2,3,4,5,6,7
+1,2,3,4,5,6,7
+SELECT * FROM t1 WHERE FIND_IN_SET(DAYOFWEEK(CURRENT_DATE()), days) IS UNKNOWN;
+days
+NULL
+SELECT * FROM t1 WHERE FIND_IN_SET(DAYOFWEEK(CURRENT_DATE()), NULL);
+days
+SELECT * FROM t1 WHERE FIND_IN_SET(DAYOFWEEK(CURRENT_DATE()), NULL) IS UNKNOWN;
+days
+1,2,3,4,5,6,7
+NULL
+1,2,3,4,5,6,7
+SELECT * FROM t1 WHERE FIND_IN_SET(7, days);
+days
+1,2,3,4,5,6,7
+1,2,3,4,5,6,7
+SELECT * FROM t1 WHERE FIND_IN_SET(8, days);
+days
+SELECT * FROM t1 WHERE FIND_IN_SET(NULL, days);
+days
+SELECT * FROM t1 WHERE FIND_IN_SET(NULL, days) IS UNKNOWN;
+days
+1,2,3,4,5,6,7
+NULL
+1,2,3,4,5,6,7
+SELECT * FROM t1 WHERE FIND_IN_SET(NULL, NULL);
+days
+SELECT * FROM t1 WHERE FIND_IN_SET(NULL, NULL) IS UNKNOWN;
+days
+1,2,3,4,5,6,7
+NULL
+1,2,3,4,5,6,7
+
+DROP TABLE t1;