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vacuumlazy.c: Tweak local variable name. 

Make a local variable name consistent with the name from its WAL record.

Extracted from a larger patch to deal with issues with how vacuumlazy.c
sets pages all-frozen.

Author: Peter Geoghegan <pg@bowt.ie>
Discussion: https://postgr.es/m/CAH2-WznuNGSzF8v6OsgjaC5aYsb3cZ6HW6MLm30X0d65cmSH6A@mail.gmail.com
This commit is contained in:
Peter Geoghegan 2023-01-11 17:57:18 -08:00
parent 50767705ed
commit 8c233cf86b
1 changed files with 5 additions and 5 deletions
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10
src/backend/access/heap/vacuumlazy.c
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@ -2478,7 +2478,7 @@ lazy_vacuum_heap_page(LVRelState *vacrel, BlockNumber blkno, Buffer buffer,
VacDeadItems *dead_items = vacrel->dead_items;
Page page = BufferGetPage(buffer);
OffsetNumber unused[MaxHeapTuplesPerPage];
int uncnt = 0;
int nunused = 0;
TransactionId visibility_cutoff_xid;
bool all_frozen;
LVSavedErrInfo saved_err_info;
@ -2508,10 +2508,10 @@ lazy_vacuum_heap_page(LVRelState *vacrel, BlockNumber blkno, Buffer buffer,
Assert(ItemIdIsDead(itemid) && !ItemIdHasStorage(itemid));
ItemIdSetUnused(itemid);
unused[uncnt++] = toff;
unused[nunused++] = toff;
}
Assert(uncnt > 0);
Assert(nunused > 0);
/* Attempt to truncate line pointer array now */
PageTruncateLinePointerArray(page);
@ -2527,13 +2527,13 @@ lazy_vacuum_heap_page(LVRelState *vacrel, BlockNumber blkno, Buffer buffer,
xl_heap_vacuum xlrec;
XLogRecPtr recptr;
xlrec.nunused = uncnt;
xlrec.nunused = nunused;
XLogBeginInsert();
XLogRegisterData((char *) &xlrec, SizeOfHeapVacuum);
XLogRegisterBuffer(0, buffer, REGBUF_STANDARD);
XLogRegisterBufData(0, (char *) unused, uncnt * sizeof(OffsetNumber));
XLogRegisterBufData(0, (char *) unused, nunused * sizeof(OffsetNumber));
recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_VACUUM);