@@ -465,7 +465,7 @@ private static void propagateIfUnhandled(PrestoException e)
         }
     }
 
-    private static Set<VariableReferenceExpression> extractVariableExpressions(RowExpression expression)
+    protected static Set<VariableReferenceExpression> extractVariableExpressions(RowExpression expression)
     {
         ImmutableSet.Builder<VariableReferenceExpression> builder = ImmutableSet.builder();
         expression.accept(new VariableReferenceBuilderVisitor(), builder);
@@ -485,7 +485,7 @@ public Void visitVariableReference(
         }
     }
 
-    public static boolean useDynamicFilter(
+    public boolean useDynamicFilter(
             RowExpression expression,
             ConnectorTableHandle tableHandle,
             Map<String, ColumnHandle> columnHandleMap)
 
@@ -83,7 +83,7 @@ public class HiveFilterPushdown
     private final RowExpressionService rowExpressionService;
     private final StandardFunctionResolution functionResolution;
     private final FunctionMetadataManager functionMetadataManager;
-    private final HiveTransactionManager transactionManager;
+    protected final HiveTransactionManager transactionManager;
     private final HivePartitionManager partitionManager;
 
     public HiveFilterPushdown(
@@ -125,7 +125,7 @@ public SubfieldExtractionRewriter(
         }
 
         @Override
-        protected ConnectorPushdownFilterResult getConnectorPushdownFilterResult(
+        public ConnectorPushdownFilterResult getConnectorPushdownFilterResult(
                 Map<String, ColumnHandle> columnHandles,
                 ConnectorMetadata metadata,
                 ConnectorSession session,
Original file line number	Diff line number	Diff line change
`@@ -465,7 +465,7 @@ private static void propagateIfUnhandled(PrestoException e)`
`465`	`465`	`}`
`466`	`466`	`}`
`467`	`467`
`468`		`- private static Set<VariableReferenceExpression> extractVariableExpressions(RowExpression expression)`
	`468`	`+ protected static Set<VariableReferenceExpression> extractVariableExpressions(RowExpression expression)`
`469`	`469`	`{`
`470`	`470`	`ImmutableSet.Builder<VariableReferenceExpression> builder = ImmutableSet.builder();`
`471`	`471`	`expression.accept(new VariableReferenceBuilderVisitor(), builder);`
`@@ -485,7 +485,7 @@ public Void visitVariableReference(`
`485`	`485`	`}`
`486`	`486`	`}`
`487`	`487`
`488`		`- public static boolean useDynamicFilter(`
	`488`	`+ public boolean useDynamicFilter(`
`489`	`489`	`RowExpression expression,`
`490`	`490`	`ConnectorTableHandle tableHandle,`
`491`	`491`	`Map<String, ColumnHandle> columnHandleMap)`