Microvacuum for GIST

[postgresql] / src / include / access / gist.h

diff --git a/src/include/access/gist.h b/src/include/access/gist.h
index 81e559bc2dd260ce76bb546996fc3d41153e94f4..ea3a3b01f47389de9e4f9f812e511ef378725bae 100644 (file)
--- a/src/include/access/gist.h
+++ b/src/include/access/gist.h
@@ -41,8 +41,11 @@
  */
 #define F_LEAF                         (1 << 0)        /* leaf page */
 #define F_DELETED                      (1 << 1)        /* the page has been deleted */
-#define F_TUPLES_DELETED       (1 << 2)        /* some tuples on the page are dead */
+#define F_TUPLES_DELETED       (1 << 2)        /* some tuples on the page were
+                                                                                * deleted */
 #define F_FOLLOW_RIGHT         (1 << 3)        /* page to the right has no downlink */
+#define F_HAS_GARBAGE          (1 << 4)        /* some tuples on the page are dead,
+                                                                                * but not deleted yet */
 
 typedef XLogRecPtr GistNSN;
 
@@ -137,6 +140,10 @@ typedef struct GISTENTRY
 #define GistMarkTuplesDeleted(page) ( GistPageGetOpaque(page)->flags |= F_TUPLES_DELETED)
 #define GistClearTuplesDeleted(page)   ( GistPageGetOpaque(page)->flags &= ~F_TUPLES_DELETED)
 
+#define GistPageHasGarbage(page) ( GistPageGetOpaque(page)->flags & F_HAS_GARBAGE)
+#define GistMarkPageHasGarbage(page) ( GistPageGetOpaque(page)->flags |= F_HAS_GARBAGE)
+#define GistClearPageHasGarbage(page)  ( GistPageGetOpaque(page)->flags &= ~F_HAS_GARBAGE)
+
 #define GistFollowRight(page) ( GistPageGetOpaque(page)->flags & F_FOLLOW_RIGHT)
 #define GistMarkFollowRight(page) ( GistPageGetOpaque(page)->flags |= F_FOLLOW_RIGHT)
 #define GistClearFollowRight(page)     ( GistPageGetOpaque(page)->flags &= ~F_FOLLOW_RIGHT)