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author | Tom Lane <tgl@sss.pgh.pa.us> | 2013-12-12 12:39:54 -0500 |
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committer | Tom Lane <tgl@sss.pgh.pa.us> | 2013-12-12 12:39:54 -0500 |
commit | b57947aa9cacaac58b4baa7b30306ccf803d6c88 (patch) | |
tree | 88d21b596cccbcfa873ad6713878ed8b0105ed67 /src/backend | |
parent | 27902bc9164d227cbdf1242de218edeaf8cd9f7f (diff) | |
download | postgresql-b57947aa9cacaac58b4baa7b30306ccf803d6c88.tar.gz postgresql-b57947aa9cacaac58b4baa7b30306ccf803d6c88.zip |
Fix ancient docs/comments thinko: XID comparison is mod 2^32, not 2^31.
Pointed out by Gianni Ciolli.
Diffstat (limited to 'src/backend')
-rw-r--r-- | src/backend/access/transam/transam.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/transam/transam.c b/src/backend/access/transam/transam.c index 3cc0096d92a..b92a27bff36 100644 --- a/src/backend/access/transam/transam.c +++ b/src/backend/access/transam/transam.c @@ -301,7 +301,7 @@ TransactionIdPrecedes(TransactionId id1, TransactionId id2) { /* * If either ID is a permanent XID then we can just do unsigned - * comparison. If both are normal, do a modulo-2^31 comparison. + * comparison. If both are normal, do a modulo-2^32 comparison. */ int32 diff; |