zjcnb commented on a change in pull request #15234:
URL: https://github.com/apache/shardingsphere/pull/15234#discussion_r797616487
##########
File path:
shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/ContextManager.java
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@@ -251,9 +251,7 @@ public void alterSchema(final String schemaName, final
ShardingSphereSchema sche
*/
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()));
- }
+ singleTableDataSourceMappingRelation(metaData, changedTableMetaData);
Review comment:
Yes, it' s a good idea.
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