[GitHub] [shardingsphere] totalo commented on a diff in pull request #22004: Do not throw an exception if the statement contains `if not exists`

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

totalo commented on code in PR #22004:
URL: https://github.com/apache/shardingsphere/pull/22004#discussion_r1016193336


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kernel/single-table/core/src/main/java/org/apache/shardingsphere/singletable/route/engine/SingleTableStandardRouteEngine.java:
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@@ -82,9 +83,14 @@ private void route0(final RouteContext routeContext, final SingleTableRule rule)
         if (sqlStatement instanceof CreateTableStatement) {
             String dataSourceName = rule.assignNewDataSourceName();
             QualifiedTable table = singleTableNames.iterator().next();
-            if (isTableExists(table, rule)) {
+            boolean tableExists = isTableExists(table, rule);
+            boolean ifNotExists = CreateTableStatementHandler.ifNotExists((CreateTableStatement) sqlStatement);
+            if (tableExists && !ifNotExists) {

Review Comment:
   Got it.



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