[GitHub] [shardingsphere] tuichenchuxin commented on a change in pull request #15207: Fixed Refresh SingleTableRule tables.

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

tuichenchuxin commented on a change in pull request #15207:
URL: https://github.com/apache/shardingsphere/pull/15207#discussion_r795133338



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File path: shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/ContextManager.java
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@@ -248,19 +250,27 @@ public void alterSchema(final String schemaName, final ShardingSphereSchema sche
      * @param deletedTable deleted table
      */
     public void alterSchema(final String schemaName, final TableMetaData changedTableMetaData, final String deletedTable) {
+        ShardingSphereMetaData metaData = metaDataContexts.getMetaData(schemaName);
+        if (!containsInDataNodeContainedRule(changedTableMetaData.getName(), metaData)) {
+            metaData.getRuleMetaData().findRules(MutableDataNodeRule.class).forEach(each -> each.put(changedTableMetaData.getName(), each.getDataSourceNames().iterator().next()));

Review comment:
       This datasource can't be iterator.next().
   It need to be the actual one.




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