init

db_include/access/brin_pageops.h

@@ -0,0 +1,38 @@
+/*
+ * brin_pageops.h
+ *		Prototypes for operating on BRIN pages.
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *	  src/include/access/brin_pageops.h
+ */
+#ifndef BRIN_PAGEOPS_H
+#define BRIN_PAGEOPS_H
+
+#include "access/brin_revmap.h"
+
+extern bool brin_doupdate(Relation idxrel, BlockNumber pagesPerRange,
+						  BrinRevmap *revmap, BlockNumber heapBlk,
+						  Buffer oldbuf, OffsetNumber oldoff,
+						  const BrinTuple *origtup, Size origsz,
+						  const BrinTuple *newtup, Size newsz,
+						  bool samepage);
+extern bool brin_can_do_samepage_update(Buffer buffer, Size origsz,
+										Size newsz);
+extern OffsetNumber brin_doinsert(Relation idxrel, BlockNumber pagesPerRange,
+								  BrinRevmap *revmap, Buffer *buffer, BlockNumber heapBlk,
+								  BrinTuple *tup, Size itemsz);
+
+extern void brin_page_init(Page page, uint16 type);
+extern void brin_metapage_init(Page page, BlockNumber pagesPerRange,
+							   uint16 version);
+
+extern bool brin_start_evacuating_page(Relation idxRel, Buffer buf);
+extern void brin_evacuate_page(Relation idxRel, BlockNumber pagesPerRange,
+							   BrinRevmap *revmap, Buffer buf);
+
+extern void brin_page_cleanup(Relation idxrel, Buffer buf);
+
+#endif							/* BRIN_PAGEOPS_H */