init

db_include/access/hio.h

@@ -0,0 +1,43 @@
+/*-------------------------------------------------------------------------
+ *
+ * hio.h
+ *	  POSTGRES heap access method input/output definitions.
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/access/hio.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef HIO_H
+#define HIO_H
+
+#include "access/htup.h"
+#include "storage/buf.h"
+#include "utils/relcache.h"
+
+/*
+ * state for bulk inserts --- private to heapam.c and hio.c
+ *
+ * If current_buf isn't InvalidBuffer, then we are holding an extra pin
+ * on that buffer.
+ *
+ * "typedef struct BulkInsertStateData *BulkInsertState" is in heapam.h
+ */
+typedef struct BulkInsertStateData
+{
+	BufferAccessStrategy strategy;	/* our BULKWRITE strategy object */
+	Buffer		current_buf;	/* current insertion target page */
+} BulkInsertStateData;
+
+
+extern void RelationPutHeapTuple(Relation relation, Buffer buffer,
+								 HeapTuple tuple, bool token);
+extern Buffer RelationGetBufferForTuple(Relation relation, Size len,
+										Buffer otherBuffer, int options,
+										BulkInsertStateData *bistate,
+										Buffer *vmbuffer, Buffer *vmbuffer_other);
+
+#endif							/* HIO_H */