[shardingsphere] branch master updated: Fix bug of getAllDataNodes (#8958)

[wuweijie]

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

wuweijie 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 53125f6  Fix bug of getAllDataNodes (#8958)
53125f6 is described below

commit 53125f68a1b04822c3ceaeeeac0b4e0d6eacde1a
Author: Juan Pan(Trista) <panj...@apache.org>
AuthorDate: Sun Jan 10 12:56:13 2021 +0800

    Fix bug of getAllDataNodes (#8958)
    
    * Fix bug of getAllDataNodes
    
    * add ut
---
 .../org/apache/shardingsphere/sharding/rule/ShardingRule.java     | 6 +++++-
 .../org/apache/shardingsphere/sharding/rule/ShardingRuleTest.java | 8 ++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git 
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/rule/ShardingRule.java
 
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/rule/ShardingRule.java
index bacc9e6..302bb9e 100644
--- 
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/rule/ShardingRule.java
+++ 
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/rule/ShardingRule.java
@@ -52,6 +52,7 @@ import 
org.apache.shardingsphere.sharding.spi.ShardingAlgorithm;
 
 import javax.sql.DataSource;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
@@ -447,7 +448,10 @@ public final class ShardingRule implements 
DataNodeContainedRule, TableContained
     
     @Override
     public Map<String, Collection<DataNode>> getAllDataNodes() {
-        return 
tableRules.stream().collect(Collectors.toMap(TableRule::getLogicTable, 
TableRule::getActualDataNodes, (oldValue, currentValue) -> oldValue, 
LinkedHashMap::new));
+        Map<String, Collection<DataNode>> result = new LinkedHashMap<>();
+        singleTableRules.forEach((key, value) -> result.put(key, 
Collections.singleton(new DataNode(value.getDataSourceName(), 
value.getTableName()))));
+        
result.putAll(tableRules.stream().collect(Collectors.toMap(TableRule::getLogicTable,
 TableRule::getActualDataNodes, (oldValue, currentValue) -> oldValue, 
LinkedHashMap::new)));
+        return result;
     }
     
     @Override
diff --git 
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/rule/ShardingRuleTest.java
 
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/rule/ShardingRuleTest.java
index 545cff9..9574a98 100644
--- 
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/rule/ShardingRuleTest.java
+++ 
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/rule/ShardingRuleTest.java
@@ -29,6 +29,7 @@ import 
org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfi
 import 
org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
 import 
org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
 import 
org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.rule.single.SingleTableRule;
 import org.junit.Test;
 
 import javax.sql.DataSource;
@@ -305,6 +306,13 @@ public final class ShardingRuleTest {
         assertThat(createMaximumShardingRule().getTables(), 
is(Arrays.asList("logic_table", "sub_logic_table")));
     }
     
+    @Test
+    public void assertGetAllDataNodesWithSingleTables() {
+        ShardingRule shardingRule = createMaximumShardingRule();
+        shardingRule.getSingleTableRules().put("single", new 
SingleTableRule("single", "ds_0"));
+        assertThat(shardingRule.getAllDataNodes().size(), is(3));
+    }
+    
     private ShardingRule createMaximumShardingRule() {
         ShardingRuleConfiguration shardingRuleConfig = new 
ShardingRuleConfiguration();
         ShardingTableRuleConfiguration shardingTableRuleConfig = 
createTableRuleConfiguration("LOGIC_TABLE", "ds_${0..1}.table_${0..2}");