From 41bc3392e6c393cbf0454173ba3a3179ec0a8745 Mon Sep 17 00:00:00 2001
From: Rui Mo <rui.mo@intel.com>
Date: Fri, 15 Jan 2021 03:01:22 +0000
Subject: [PATCH] [oap-native-sql] fix filter for sortOrder containing
 projection exprs

---
 .../scala/com/intel/oap/execution/ColumnarSortExec.scala  | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/src/main/scala/com/intel/oap/execution/ColumnarSortExec.scala b/core/src/main/scala/com/intel/oap/execution/ColumnarSortExec.scala
index 5302bf3b0..2fb17334a 100644
--- a/core/src/main/scala/com/intel/oap/execution/ColumnarSortExec.scala
+++ b/core/src/main/scala/com/intel/oap/execution/ColumnarSortExec.scala
@@ -135,10 +135,10 @@ case class ColumnarSortExec(
 
   /***********************************************************/
   def getCodeGenSignature =
-    if (!sortOrder
-          .filter(
-            expr => bindReference(expr.child, child.output, true).isInstanceOf[BoundReference])
-          .isEmpty) {
+    if (sortOrder.exists(expr =>
+        bindReference(
+          ConverterUtils.getAttrFromExpr(expr.child), child.output, true)
+          .isInstanceOf[BoundReference])) {
       ColumnarSorter.prebuild(
         sortOrder,
         child.output,