[GitHub] [shardingsphere] RaigorJiang commented on a diff in pull request #23086: Add IF NOT EXISTS to CREATE SHADOW RULE.

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

RaigorJiang commented on code in PR #23086:
URL: https://github.com/apache/shardingsphere/pull/23086#discussion_r1056905955


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features/shadow/distsql/handler/src/main/java/org/apache/shardingsphere/shadow/distsql/handler/update/CreateShadowRuleStatementUpdater.java:
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@@ -66,17 +68,23 @@ private void updateTables(final Map<String, ShadowTableConfiguration> currentTab
     public void checkSQLStatement(final ShardingSphereDatabase database, final CreateShadowRuleStatement sqlStatement, final ShadowRuleConfiguration currentRuleConfig) {
         String databaseName = database.getName();
         Collection<ShadowRuleSegment> rules = sqlStatement.getRules();
-        checkRuleNames(databaseName, rules, currentRuleConfig);
+        checkRuleNames(databaseName, sqlStatement, currentRuleConfig);
         checkResources(database, rules);
-        checkAlgorithms(databaseName, sqlStatement.getRules());
-        checkAlgorithmType(sqlStatement);
+        checkAlgorithms(databaseName, rules);
+        checkAlgorithmType(rules);
     }
     
-    private void checkRuleNames(final String databaseName, final Collection<ShadowRuleSegment> rules, final ShadowRuleConfiguration currentRuleConfig) {
-        Collection<String> requireRuleNames = ShadowRuleStatementSupporter.getRuleNames(rules);
+    private void checkRuleNames(final String databaseName, final CreateShadowRuleStatement sqlStatement, final ShadowRuleConfiguration currentRuleConfig) {
+        Collection<String> requireRuleNames = ShadowRuleStatementSupporter.getRuleNames(sqlStatement.getRules());

Review Comment:
   Does the requireRuleNames mean toBeCreatedRuleNames?



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