diff options
Diffstat (limited to 'src/include/access/gist_private.h')
| -rw-r--r-- | src/include/access/gist_private.h | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/include/access/gist_private.h b/src/include/access/gist_private.h index 21daf3b2b6a..2cbc918ad1a 100644 --- a/src/include/access/gist_private.h +++ b/src/include/access/gist_private.h @@ -16,7 +16,7 @@ #include "access/gist.h" #include "access/itup.h" -#include "access/xlogrecord.h" +#include "access/xlogreader.h" #include "fmgr.h" #include "storage/bufmgr.h" #include "storage/buffile.h" @@ -185,34 +185,33 @@ typedef GISTScanOpaqueData *GISTScanOpaque; #define XLOG_GIST_CREATE_INDEX 0x50 /* #define XLOG_GIST_PAGE_DELETE 0x60 */ /* not used anymore */ +/* + * Backup Blk 0: updated page. + * Backup Blk 1: If this operation completes a page split, by inserting a + * downlink for the split page, the left half of the split + */ typedef struct gistxlogPageUpdate { - RelFileNode node; - BlockNumber blkno; - - /* - * If this operation completes a page split, by inserting a downlink for - * the split page, leftchild points to the left half of the split. - */ - BlockNumber leftchild; - /* number of deleted offsets */ uint16 ntodelete; + uint16 ntoinsert; /* - * follow: 1. todelete OffsetNumbers 2. tuples to insert + * In payload of blk 0 : 1. todelete OffsetNumbers 2. tuples to insert */ } gistxlogPageUpdate; +/* + * Backup Blk 0: If this operation completes a page split, by inserting a + * downlink for the split page, the left half of the split + * Backup Blk 1 - npage: split pages (1 is the original page) + */ typedef struct gistxlogPageSplit { - RelFileNode node; - BlockNumber origblkno; /* splitted page */ BlockNumber origrlink; /* rightlink of the page before split */ GistNSN orignsn; /* NSN of the page before split */ bool origleaf; /* was splitted page a leaf page? */ - BlockNumber leftchild; /* like in gistxlogPageUpdate */ uint16 npage; /* # of pages in the split */ bool markfollowright; /* set F_FOLLOW_RIGHT flags */ @@ -451,8 +450,8 @@ extern SplitedPageLayout *gistSplit(Relation r, Page page, IndexTuple *itup, int len, GISTSTATE *giststate); /* gistxlog.c */ -extern void gist_redo(XLogRecPtr lsn, XLogRecord *record); -extern void gist_desc(StringInfo buf, XLogRecord *record); +extern void gist_redo(XLogReaderState *record); +extern void gist_desc(StringInfo buf, XLogReaderState *record); extern const char *gist_identify(uint8 info); extern void gist_xlog_startup(void); extern void gist_xlog_cleanup(void); |