[shardingsphere] branch master updated: fix show sharding rule cast error (#9212)

[panjuan]

This is an automated email from the ASF dual-hosted git repository.

panjuan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git


The following commit(s) were added to refs/heads/master by this push:
     new 5452e55  fix show sharding rule cast error (#9212)
5452e55 is described below

commit 5452e55235f31907e352f01b6d8fa62a406d4470
Author: JingShang Lu <lujingsh...@apache.org>
AuthorDate: Fri Jan 29 20:06:33 2021 +0800

    fix show sharding rule cast error (#9212)
---
 .../backend/text/distsql/rql/impl/ShardingRuleQueryBackendHandler.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/rql/impl/ShardingRuleQueryBackendHandler.java
 
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/rql/impl/ShardingRuleQueryBackendHandler.java
index fd015d3..fd416df 100644
--- 
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/rql/impl/ShardingRuleQueryBackendHandler.java
+++ 
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/rql/impl/ShardingRuleQueryBackendHandler.java
@@ -84,7 +84,7 @@ public final class ShardingRuleQueryBackendHandler extends 
SchemaRequiredBackend
     private Iterator<Map<String, Object>> loadRuleConfiguration() {
         List<Map<String, Object>> result = new LinkedList<>();
         Optional<ShardingRuleConfiguration> ruleConfig = 
ProxyContext.getInstance().getMetaData(schema).getRuleMetaData().getConfigurations()
-                .stream().map(each -> (ShardingRuleConfiguration) 
each).findFirst();
+                .stream().filter(each -> each instanceof 
ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) 
each).findFirst();
         if (ruleConfig.isPresent()) {
             List<List<String>> bindingTables = 
ruleConfig.get().getBindingTableGroups().stream().filter(each -> null != each 
&& !each.isEmpty()).map(each -> Arrays.asList(each.split(",")))
                     .collect(Collectors.toList());