[GitHub] [shardingsphere] Zhoutzzz commented on a diff in pull request #18097: fix when table alias case different throw NullPointException

[GitBox <gi...@apache.org>]

Zhoutzzz commented on code in PR #18097:
URL: https://github.com/apache/shardingsphere/pull/18097#discussion_r887446259


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shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/common/extractor/TableExtractor.java:
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@@ -260,7 +260,7 @@ public void extractTablesFromUpdate(final UpdateStatement updateStatement) {
      */
     public boolean needRewrite(final OwnerSegment owner) {
         for (TableSegment each : tableContext) {
-            if (owner.getIdentifier().getValue().equals(each.getAlias().orElse(null))) {
+            if (owner.getIdentifier().getValue().equalsIgnoreCase(each.getAlias().orElse(null))) {

Review Comment:
   this sql follow sql92 protocol



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