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-rw-r--r--src/include/executor/nodeCustom.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/include/executor/nodeCustom.h b/src/include/executor/nodeCustom.h
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+++ b/src/include/executor/nodeCustom.h
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+/* ------------------------------------------------------------------------
+ *
+ * nodeCustom.h
+ *
+ * prototypes for CustomScan nodes
+ *
+ * Portions Copyright (c) 1996-2020, 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 */