fix dead lock in multi DB when using batchUpdate(apache#31038)

H-Jason · May 5, 2024 · 88f5581 · 88f5581
1 parent 12144de
commit 88f5581
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/.../org/apache/shardingsphere/infra/executor/sql/prepare/AbstractExecutionPrepareEngine.java b/.../org/apache/shardingsphere/infra/executor/sql/prepare/AbstractExecutionPrepareEngine.java
@@ -30,11 +30,11 @@
 import java.sql.SQLException;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.TreeMap;
 
 /**
  * Abstract execution prepare engine.
@@ -80,7 +80,7 @@ private List<List<ExecutionUnit>> group(final List<ExecutionUnit> sqlUnits) {
     protected abstract List<ExecutionGroup<T>> group(String dataSourceName, int connectionOffset, List<List<ExecutionUnit>> executionUnitGroups, ConnectionMode connectionMode) throws SQLException;
 
     private Map<String, List<ExecutionUnit>> aggregateExecutionUnitGroups(final Collection<ExecutionUnit> executionUnits) {
-        Map<String, List<ExecutionUnit>> result = new LinkedHashMap<>(executionUnits.size(), 1F);
+        Map<String, List<ExecutionUnit>> result = new TreeMap(String.CASE_INSENSITIVE_ORDER);
         for (ExecutionUnit each : executionUnits) {
             result.computeIfAbsent(each.getDataSourceName(), unused -> new LinkedList<>()).add(each);
         }