Fix parameter batches multiple executions

polypheny · Apr 24, 2024 · 2cfb59d · 2cfb59d
1 parent a4a7600
commit 2cfb59d
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/main/java/org/polypheny/jdbc/PolyphenyPreparedStatement.java b/src/main/java/org/polypheny/jdbc/PolyphenyPreparedStatement.java
@@ -50,7 +50,7 @@
 public class PolyphenyPreparedStatement extends PolyphenyStatement implements PreparedStatement {
 
     private TypedValue[] parameters;
-    private final List<List<TypedValue>> parameterBatch = new LinkedList<>();
+    private List<List<TypedValue>> parameterBatch = new LinkedList<>();
     private final PolyphenyParameterMetaData parameterMetaData;
 
 
@@ -350,6 +350,10 @@ public void clearParameters() throws SQLException {
         parameters = createParameterList( parameterMetaData.getParameterCount() );
     }
 
+    private void clearParameterBatch() {
+        parameterBatch = new LinkedList<>();
+    }
+
 
     @Override
     public void setObject( int parameterIndex, Object x, int targetSqlType ) throws SQLException {
@@ -420,7 +424,8 @@ public int[] executeBatch() throws SQLException {
     private List<Long> executeParameterizedBatch() throws SQLException {
         throwIfClosed();
         StatementBatchResponse status = getClient().executeIndexedStatementBatch( statementId, parameterBatch, getTimeout() );
-        clearParameters();
+        // jdbc: only batch is cleared, parameters remain beyond executions
+        clearParameterBatch();
         return status.getScalarsList();
     }