Patch for 930 release

src/include/executor/node/nodeMergejoin.h

@@ -0,0 +1,41 @@
+/* -------------------------------------------------------------------------
+ *
+ * nodeMergejoin.h
+ *
+ *
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/executor/nodeMergejoin.h
+ *
+ * -------------------------------------------------------------------------
+ */
+#ifndef NODEMERGEJOIN_H
+#define NODEMERGEJOIN_H
+
+#include "nodes/execnodes.h"
+
+extern MergeJoinState* ExecInitMergeJoin(MergeJoin* node, EState* estate, int eflags);
+extern TupleTableSlot* ExecMergeJoin(MergeJoinState* node);
+extern void ExecEndMergeJoin(MergeJoinState* node);
+extern void ExecReScanMergeJoin(MergeJoinState* node);
+
+/*
+ * States of the ExecMergeJoin state machine
+ */
+#define EXEC_MJ_INITIALIZE_OUTER 1
+#define EXEC_MJ_INITIALIZE_INNER 2
+#define EXEC_MJ_JOINTUPLES 3
+#define EXEC_MJ_NEXTOUTER 4
+#define EXEC_MJ_TESTOUTER 5
+#define EXEC_MJ_NEXTINNER 6
+#define EXEC_MJ_SKIP_TEST 7
+#define EXEC_MJ_SKIPOUTER_ADVANCE 8
+#define EXEC_MJ_SKIPINNER_ADVANCE 9
+#define EXEC_MJ_ENDOUTER 10
+#define EXEC_MJ_ENDINNER 11
+
+extern bool check_constant_qual(List* qual, bool* is_const_false);
+
+#endif /* NODEMERGEJOIN_H */