1 files changed, 32 insertions, 0 deletions
diff --git a/src/include/executor/nodeSort.h b/src/include/executor/nodeSort.h
new file mode 100644
index 0000000..0925556
--- /dev/null
+++ b/src/include/executor/nodeSort.h
@@ -0,0 +1,32 @@
+/*-------------------------------------------------------------------------
+ *
+ * nodeSort.h
+ *
+ *
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/executor/nodeSort.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef NODESORT_H
+#define NODESORT_H
+
+#include "access/parallel.h"
+#include "nodes/execnodes.h"
+
+extern SortState *ExecInitSort(Sort *node, EState *estate, int eflags);
+extern void ExecEndSort(SortState *node);
+extern void ExecSortMarkPos(SortState *node);
+extern void ExecSortRestrPos(SortState *node);
+extern void ExecReScanSort(SortState *node);
+
+/* parallel instrumentation support */
+extern void ExecSortEstimate(SortState *node, ParallelContext *pcxt);
+extern void ExecSortInitializeDSM(SortState *node, ParallelContext *pcxt);
+extern void ExecSortInitializeWorker(SortState *node, ParallelWorkerContext *pwcxt);
+extern void ExecSortRetrieveInstrumentation(SortState *node);
+
+#endif							/* NODESORT_H */