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Commit4028222

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Fix BRIN xlog replay
There was a confusion about which block number to use when storing anitem's pointer in the revmap -- the revmap page's blkno was being used,not the data page's blkno.Spotted-by: Jeff Janes
1 parent7c02d48 commit4028222

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‎src/backend/access/brin/brin_xlog.c

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -47,6 +47,7 @@ brin_xlog_insert_update(XLogReaderState *record,
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{
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XLogRecPtrlsn=record->EndRecPtr;
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Bufferbuffer;
50+
BlockNumberregpgno;
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Pagepage;
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XLogRedoActionaction;
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@@ -66,6 +67,9 @@ brin_xlog_insert_update(XLogReaderState *record,
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action=XLogReadBufferForRedo(record,0,&buffer);
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}
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70+
/* need this page's blkno to store in revmap */
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regpgno=BufferGetBlockNumber(buffer);
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/* insert the index item into the page */
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if (action==BLK_NEEDS_REDO)
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{
@@ -97,9 +101,8 @@ brin_xlog_insert_update(XLogReaderState *record,
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if (action==BLK_NEEDS_REDO)
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{
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ItemPointerDatatid;
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BlockNumberblkno=BufferGetBlockNumber(buffer);
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102-
ItemPointerSet(&tid,blkno,xlrec->offnum);
105+
ItemPointerSet(&tid,regpgno,xlrec->offnum);
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page= (Page)BufferGetPage(buffer);
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brinSetHeapBlockItemptr(buffer,xlrec->pagesPerRange,xlrec->heapBlk,

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