From e367c8e627bc6fee07bf56173ec26d7601fa5f75 Mon Sep 17 00:00:00 2001
From: guoaomen <guoaomen@actionsky.com>
Date: Tue, 29 Nov 2022 10:36:16 +0800
Subject: [PATCH] fix: type conversion error

---
 .../dble/route/parser/druid/impl/DruidSelectParser.java    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/actiontech/dble/route/parser/druid/impl/DruidSelectParser.java b/src/main/java/com/actiontech/dble/route/parser/druid/impl/DruidSelectParser.java
index 08b148127..bbab158de 100644
--- a/src/main/java/com/actiontech/dble/route/parser/druid/impl/DruidSelectParser.java
+++ b/src/main/java/com/actiontech/dble/route/parser/druid/impl/DruidSelectParser.java
@@ -484,10 +484,11 @@ public class DruidSelectParser extends DefaultDruidParser {
     }
 
     private boolean hasShardingColumnWithAlia(BaseTableConfig tc, String columnName, Map<String, String> aliaColumns) {
-        String shardingColumn = ((ShardingTableConfig) tc).getShardingColumn();
-        boolean isShardingColumn = tc instanceof ShardingTableConfig && columnName.equalsIgnoreCase(shardingColumn);
+        String shardingColumn = "";
+        boolean isShardingColumn = tc instanceof ShardingTableConfig && columnName.equalsIgnoreCase(shardingColumn = ((ShardingTableConfig) tc).getShardingColumn());
         if (!isShardingColumn) {
-            Optional<Map.Entry<String, String>> alias = aliaColumns.entrySet().stream().filter(c -> c.getKey().toUpperCase().equals(shardingColumn)).findFirst();
+            String finalShardingColumn = shardingColumn;
+            Optional<Map.Entry<String, String>> alias = aliaColumns.entrySet().stream().filter(c -> c.getKey().toUpperCase().equals(finalShardingColumn)).findFirst();
             if (alias.isPresent()) {
                 isShardingColumn = tc instanceof ShardingTableConfig && alias.get().getValue().equalsIgnoreCase(columnName);
             }