Add a test

apache · Mar 20, 2024 · 7cecd46 · 7cecd46
1 parent 55fb67f
commit 7cecd46
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/backends-velox/src/test/scala/io/glutenproject/execution/VeloxFunctionsValidateSuite.scala b/backends-velox/src/test/scala/io/glutenproject/execution/VeloxFunctionsValidateSuite.scala
@@ -512,4 +512,19 @@ class VeloxFunctionsValidateSuite extends VeloxWholeStageTransformerSuite {
         }
     }
   }
+
+  test("lag/lead window function with negative input offset") {
+    runQueryAndCompare(
+      "select lag(l_orderkey, -2) over" +
+        " (partition by l_suppkey order by l_orderkey) from lineitem ") {
+      checkOperatorMatch[WindowExecTransformer]
+    }
+
+    runQueryAndCompare(
+      "select lead(l_orderkey, -2) over" +
+        " (partition by l_suppkey order by l_orderkey) from lineitem ") {
+      checkOperatorMatch[WindowExecTransformer]
+    }
+  }
+
 }