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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2011-06-03 12:45:42 +0300 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2011-06-03 12:45:42 +0300 |
| commit | c8630919e08c2e91435807caecb4b44c7722bf9e (patch) | |
| tree | 41358ca06cd525d58e54a33161aaf191c8939091 /src/include/storage/predicate_internals.h | |
| parent | 52caa355ee6fd34670b6387e14c821d9128e5c88 (diff) | |
| download | postgresql-c8630919e08c2e91435807caecb4b44c7722bf9e.tar.gz | |
SSI comment fixes and enhancements. Notably, document that the conflict-out
flag actually means that the transaction has a conflict out to a transaction
that committed before the flagged transaction.
Kevin Grittner
Diffstat (limited to 'src/include/storage/predicate_internals.h')
| -rw-r--r-- | src/include/storage/predicate_internals.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/storage/predicate_internals.h b/src/include/storage/predicate_internals.h index bd42004c2c..b144ab319a 100644 --- a/src/include/storage/predicate_internals.h +++ b/src/include/storage/predicate_internals.h @@ -92,6 +92,11 @@ typedef struct SERIALIZABLEXACT #define SXACT_FLAG_ROLLED_BACK 0x00000001 #define SXACT_FLAG_COMMITTED 0x00000002 +/* + * The following flag actually means that the flagged transaction has a + * conflict out *to a transaction which committed ahead of it*. It's hard + * to get that into a name of a reasonable length. + */ #define SXACT_FLAG_CONFLICT_OUT 0x00000004 #define SXACT_FLAG_READ_ONLY 0x00000008 #define SXACT_FLAG_DID_WRITE 0x00000010 |