From 8ee9b7e218c8f1e37025a835d4c526118cbd1a63 Mon Sep 17 00:00:00 2001
From: Sanne Grinovero <sanne@hibernate.org>
Date: Tue, 30 Jul 2019 11:35:30 +0100
Subject: [PATCH] HHH-13524 Remove unused fields xref,unassociatedResultSets
 from JdbcCoordinatorImpl

---
 .../jdbc/internal/JdbcCoordinatorImpl.java    | 22 -------------------
 1 file changed, 22 deletions(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/JdbcCoordinatorImpl.java b/hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/JdbcCoordinatorImpl.java
index 3388f7c3ae..9a4ba49a3b 100644
--- a/hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/JdbcCoordinatorImpl.java
+++ b/hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/JdbcCoordinatorImpl.java
@@ -67,13 +67,9 @@ public class JdbcCoordinatorImpl implements JdbcCoordinator {
 
 	private transient long transactionTimeOutInstant = -1;
 
-	private final HashMap<Statement,Set<ResultSet>> xref = new HashMap<>();
-	private final Set<ResultSet> unassociatedResultSets = new HashSet<>();
-
 	private Statement lastQuery;
 	private final boolean isUserSuppliedConnection;
 
-
 	/**
 	 * If true, manually (and temporarily) circumvent aggressive release processing.
 	 */
@@ -174,7 +170,6 @@ public class JdbcCoordinatorImpl implements JdbcCoordinator {
 				LOG.closingUnreleasedBatch();
 				currentBatch.release();
 			}
-			cleanup();
 		}
 		finally {
 			connection = logicalConnection.close();
@@ -366,23 +361,6 @@ public class JdbcCoordinatorImpl implements JdbcCoordinator {
 		releasesEnabled = false;
 	}
 
-	private void cleanup() {
-		for ( Map.Entry<Statement,Set<ResultSet>> entry : xref.entrySet() ) {
-			closeAll( entry.getValue() );
-			close( entry.getKey() );
-		}
-		xref.clear();
-
-		closeAll( unassociatedResultSets );
-	}
-
-	protected void closeAll(Set<ResultSet> resultSets) {
-		for ( ResultSet resultSet : resultSets ) {
-			close( resultSet );
-		}
-		resultSets.clear();
-	}
-
 	@SuppressWarnings({ "unchecked" })
 	protected void close(Statement statement) {
 		LOG.tracev( "Closing prepared statement [{0}]", statement );