jingshanglu commented on a change in pull request #9245:
URL: https://github.com/apache/shardingsphere/pull/9245#discussion_r568299524
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File path:
shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/rdl/AlterShardingRuleBackendHandler.java
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@@ -118,8 +118,14 @@ private void checkAddRule(final ShardingRuleConfiguration
shardingRuleConfig, fi
private void alter(final YamlShardingRuleConfiguration
yamlShardingRuleConfig, final AlterShardingRuleStatement statement) {
modifyTableRule(yamlShardingRuleConfig, statement);
addTableRule(yamlShardingRuleConfig, statement);
- if (!statement.getBindingTables().isEmpty()) {
-
yamlShardingRuleConfig.setBindingTables(statement.getBindingTables());
+ Collection<String> existBindingTables =
yamlShardingRuleConfig.getBindingTables();
+ for (String each : statement.getAddBindingTables()) {
+ if (!existBindingTables.contains(each)) {
+ existBindingTables.add(each);
+ }
+ }
+ for (String each : statement.getDropBindingTables()) {
+ existBindingTables.remove(each);
Review comment:
@tristaZero
There's no need to judge.
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