added joining on decimal test

Author: angelamayxie

enginetest/join_op_tests.go

@@ -2046,6 +2046,23 @@ WHERE
 			},
 		},
 	},
+	{
+		name: "joining on decimals",
+		setup: [][]string{
+			{
+				"create table t1(c0 decimal(6,3))",
+				"create table t2(c0 decimal(5,2))",
+				"insert into t1 values (10.000),(20.505),(30.000)",
+				"insert into t2 values (20.5), (25.0), (30.0)",
+			},
+		},
+		tests: []JoinOpTests{
+			{
+				Query:    "select * from t1 join t2 on t1.c0 = t2.c0",
+				Expected: []sql.Row{{"30.000", "30.00"}},
+			},
+		},
+	},
 	{
 		name: "join with % condition",
 		setup: [][]string{
@@ -2058,7 +2075,7 @@ WHERE
 		},
 		tests: []JoinOpTests{
 			{
-				Query: `select * from t1 join t2 on (t1.c0 % 2) = (t2.c0 % 2)`,
+				Query: "select * from t1 join t2 on (t1.c0 % 2) = (t2.c0 % 2)",
 				Expected: []sql.Row{
 					{1, 3},
 					{2, 4},