openGauss资源池化支持多机并行

src/include/executor/node/nodeShareInputScan.h

@@ -0,0 +1,38 @@
+/*-------------------------------------------------------------------------
+ *
+ * nodeShareInputScan.h
+ *
+ * Portions Copyright (c) 2023 Huawei Technologies Co.,Ltd.
+ * Portions Copyright (c) 2012-2021 VMware, Inc. or its affiliates.
+ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	    src/include/executor/node/nodeShareInputScan.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef NODESHAREINPUTSCAN_H
+#define NODESHAREINPUTSCAN_H
+ 
+#ifdef USE_SPQ
+#include "nodes/execnodes.h"
+#include "storage/sharedfileset.h"
+ 
+extern ShareInputScanState *ExecInitShareInputScan(ShareInputScan *node, EState *estate, int eflags);
+extern void ExecEndShareInputScan(ShareInputScanState *node);
+extern void ExecReScanShareInputScan(ShareInputScanState *node);
+extern TupleTableSlot *ExecShareInputScan(PlanState *pstate);
+ 
+extern Size ShareInputShmemSize(void);
+extern void ShareInputShmemInit(void);
+ 
+extern SharedFileSet *get_shareinput_fileset(void);
+ 
+extern void tuplestore_make_shared(Tuplestorestate *state, SharedFileSet *fileset, const char *filename);
+extern void tuplestore_freeze(Tuplestorestate *state);
+extern Tuplestorestate *tuplestore_open_shared(SharedFileSet *fileset, const char *filename);
+#endif /* USE_SPQ */
+ 
+#endif   /* NODESHAREINPUTSCAN_H */