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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-12-24 17:52:19 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-12-24 17:52:19 +0000 |
| commit | f216f56e6e1b0b61d6c096da321e30818f9333fb (patch) | |
| tree | e61f00cd59e7a5d353f39855fe297eca0010ee6f | |
| parent | 65a5d12be1651a2c535c8b8f5e99a695d4036159 (diff) | |
| download | postgresql-f216f56e6e1b0b61d6c096da321e30818f9333fb.tar.gz postgresql-f216f56e6e1b0b61d6c096da321e30818f9333fb.zip | |
Fix wrong WAL info value generated when gistContinueInsert() performs an
index page split. This would result in index corruption, or even more likely
an error during WAL replay, if we were unlucky enough to crash during
end-of-recovery cleanup after having completed an incomplete GIST insertion.
Yoichi Hirai
| -rw-r--r-- | src/backend/access/gist/gistxlog.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/access/gist/gistxlog.c b/src/backend/access/gist/gistxlog.c index 54027d37043..cd6a103988a 100644 --- a/src/backend/access/gist/gistxlog.c +++ b/src/backend/access/gist/gistxlog.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/gist/gistxlog.c,v 1.27 2008/01/01 19:45:46 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/gist/gistxlog.c,v 1.27.2.1 2009/12/24 17:52:19 tgl Exp $ *------------------------------------------------------------------------- */ #include "postgres.h" @@ -649,6 +649,7 @@ gistContinueInsert(gistIncompleteInsert *insert) int j, k, pituplen = 0; + uint8 xlinfo; XLogRecData *rdata; XLogRecPtr recptr; Buffer tempbuffer = InvalidBuffer; @@ -737,6 +738,7 @@ gistContinueInsert(gistIncompleteInsert *insert) for (j = 0; j < ntodelete; j++) PageIndexTupleDelete(pages[0], todelete[j]); + xlinfo = XLOG_GIST_PAGE_SPLIT; rdata = formSplitRdata(index->rd_node, insert->path[i], false, &(insert->key), gistMakePageLayout(buffers, numbuffer)); @@ -750,6 +752,7 @@ gistContinueInsert(gistIncompleteInsert *insert) PageIndexTupleDelete(pages[0], todelete[j]); gistfillbuffer(index, pages[0], itup, lenitup, InvalidOffsetNumber); + xlinfo = XLOG_GIST_PAGE_UPDATE; rdata = formUpdateRdata(index->rd_node, buffers[0], todelete, ntodelete, itup, lenitup, &(insert->key)); @@ -766,7 +769,7 @@ gistContinueInsert(gistIncompleteInsert *insert) GistPageGetOpaque(pages[j])->rightlink = InvalidBlockNumber; MarkBufferDirty(buffers[j]); } - recptr = XLogInsert(RM_GIST_ID, XLOG_GIST_PAGE_UPDATE, rdata); + recptr = XLogInsert(RM_GIST_ID, xlinfo, rdata); for (j = 0; j < numbuffer; j++) { PageSetLSN(pages[j], recptr); |