diff options
Diffstat (limited to 'src/backend/storage/page/bufpage.c')
| -rw-r--r-- | src/backend/storage/page/bufpage.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c index 6f043bf9449..4ff4a23c75c 100644 --- a/src/backend/storage/page/bufpage.c +++ b/src/backend/storage/page/bufpage.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.33 2000/10/21 15:43:29 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.34 2000/12/30 15:19:55 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -48,6 +48,19 @@ PageInit(Page page, Size pageSize, Size specialSize) p->pd_upper = pageSize - specialSize; p->pd_special = pageSize - specialSize; PageSetPageSize(page, pageSize); + + p->pd_lsn.xlogid = p->pd_lsn.xrecoff = 0; + p->pd_sui = 0; +} + +/* + * WAL needs in zero-ed page data content + */ +void +PageZero(Page page) +{ + MemSet((char*)page + ((PageHeader)page)->pd_lower, 0, + ((PageHeader)page)->pd_special - ((PageHeader)page)->pd_lower); } /* ---------------- @@ -251,8 +264,8 @@ itemidcompare(const void *itemidp1, const void *itemidp2) * This routine is usable for heap pages only. * */ -void -PageRepairFragmentation(Page page) +int +PageRepairFragmentation(Page page, OffsetNumber *unused) { int i; struct itemIdSortData *itemidbase, @@ -272,6 +285,8 @@ PageRepairFragmentation(Page page) (*lp).lp_flags &= ~(LP_USED | LP_DELETE); if ((*lp).lp_flags & LP_USED) nused++; + else if (unused) + unused[i - nused] = (OffsetNumber)i; } if (nused == 0) @@ -328,6 +343,8 @@ PageRepairFragmentation(Page page) pfree(itemidbase); } + + return(nline - nused); } /* |