diff options
Diffstat (limited to 'src/backend/access/transam/xlogutils.c')
| -rw-r--r-- | src/backend/access/transam/xlogutils.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlogutils.c b/src/backend/access/transam/xlogutils.c index 59f4233e9f6..4cd82dfeb79 100644 --- a/src/backend/access/transam/xlogutils.c +++ b/src/backend/access/transam/xlogutils.c @@ -288,6 +288,10 @@ XLogReadBuffer(RelFileNode rnode, BlockNumber blkno, bool init) * * In RBM_ZERO and RBM_ZERO_ON_ERROR modes, if the page doesn't exist, the * relation is extended with all-zeroes pages up to the given block number. + * + * In RBM_NORMAL_NO_LOG mode, we return InvalidBuffer if the page doesn't + * exist, and we don't check for all-zeroes. Thus, no log entry is made + * to imply that the page should be dropped or truncated later. */ Buffer XLogReadBufferExtended(RelFileNode rnode, ForkNumber forknum, @@ -328,6 +332,8 @@ XLogReadBufferExtended(RelFileNode rnode, ForkNumber forknum, log_invalid_page(rnode, forknum, blkno, false); return InvalidBuffer; } + if (mode == RBM_NORMAL_NO_LOG) + return InvalidBuffer; /* OK to extend the file */ /* we do this in recovery only - no rel-extension lock needed */ Assert(InRecovery); |