diff options
Diffstat (limited to 'src/include/access/gist.h')
| -rw-r--r-- | src/include/access/gist.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/include/access/gist.h b/src/include/access/gist.h index 01fddb94af9..39132182041 100644 --- a/src/include/access/gist.h +++ b/src/include/access/gist.h @@ -58,9 +58,10 @@ /* * Page opaque data in a GiST index page. */ -#define F_LEAF (1 << 0) -#define F_DELETED (1 << 1) -#define F_TUPLES_DELETED (1 << 2) +#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_FOLLOW_RIGHT (1 << 3) /* page to the right has no downlink */ typedef XLogRecPtr GistNSN; @@ -132,6 +133,10 @@ typedef struct GISTENTRY #define GistMarkTuplesDeleted(page) ( GistPageGetOpaque(page)->flags |= F_TUPLES_DELETED) #define GistClearTuplesDeleted(page) ( GistPageGetOpaque(page)->flags &= ~F_TUPLES_DELETED) +#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) + /* * Vector of GISTENTRY structs; user-defined methods union and picksplit * take it as one of their arguments |