From f9f3a84e9d54cbe0d97d6d65bfc2fa9fa166b589 Mon Sep 17 00:00:00 2001
From: marising <lihaibo@vip.126.com>
Date: Wed, 13 May 2020 15:06:44 +0800
Subject: [PATCH] fixed bug:SlotRef.tosql() is the same as the SQL returned by
 different SQL

---
 fe/src/main/java/org/apache/doris/analysis/SlotRef.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fe/src/main/java/org/apache/doris/analysis/SlotRef.java b/fe/src/main/java/org/apache/doris/analysis/SlotRef.java
index 8f99bb0dba..0fe5cd5614 100644
--- a/fe/src/main/java/org/apache/doris/analysis/SlotRef.java
+++ b/fe/src/main/java/org/apache/doris/analysis/SlotRef.java
@@ -162,6 +162,12 @@ public class SlotRef extends Expr {
             return tblName.toSql() + "." + label + sb.toString();
         } else if (label != null) {
             return label + sb.toString();
+        } else if (desc.getSourceExprs() != null) {
+            for (Expr expr : desc.getSourceExprs()) {
+                sb.append(expr.toSql());
+                sb.append(" ");
+            }
+            return sb.toString();
         } else {
             return "<slot " + Integer.toString(desc.getId().asInt()) + ">" + sb.toString();
         }