init

db_include/executor/nodeCustom.h

@@ -0,0 +1,42 @@
+/* ------------------------------------------------------------------------
+ *
+ * nodeCustom.h
+ *
+ * prototypes for CustomScan nodes
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * ------------------------------------------------------------------------
+ */
+#ifndef NODECUSTOM_H
+#define NODECUSTOM_H
+
+#include "access/parallel.h"
+#include "nodes/execnodes.h"
+
+/*
+ * General executor code
+ */
+extern CustomScanState *ExecInitCustomScan(CustomScan *cscan,
+										   EState *estate, int eflags);
+extern void ExecEndCustomScan(CustomScanState *node);
+
+extern void ExecReScanCustomScan(CustomScanState *node);
+extern void ExecCustomMarkPos(CustomScanState *node);
+extern void ExecCustomRestrPos(CustomScanState *node);
+
+/*
+ * Parallel execution support
+ */
+extern void ExecCustomScanEstimate(CustomScanState *node,
+								   ParallelContext *pcxt);
+extern void ExecCustomScanInitializeDSM(CustomScanState *node,
+										ParallelContext *pcxt);
+extern void ExecCustomScanReInitializeDSM(CustomScanState *node,
+										  ParallelContext *pcxt);
+extern void ExecCustomScanInitializeWorker(CustomScanState *node,
+										   ParallelWorkerContext *pwcxt);
+extern void ExecShutdownCustomScan(CustomScanState *node);
+
+#endif							/* NODECUSTOM_H */