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pg_lsn macro naming and type behavior revisions.

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Change pg_lsn_mi so that it can return negative values when subtracting
LSNs, and clean up some perhaps ill-considered macro names.
This commit is contained in:
Robert Haas
2014-02-19 09:34:15 -05:00
parent 7d03a83f4d
commit 844a28a9dd
4 changed files with 33 additions and 30 deletions
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8
src/include/postgres.h
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@ -484,18 +484,18 @@ typedef Datum *DatumPtr;
#define ObjectIdGetDatum(X) ((Datum) SET_4_BYTES(X))
/*
* DatumGetPgLsn
* DatumGetLSN
* Returns PostgreSQL log sequence number of a datum.
*/
#define DatumGetPgLsn(X) ((XLogRecPtr) GET_8_BYTES(X))
#define DatumGetLSN(X) ((XLogRecPtr) GET_8_BYTES(X))
/*
* PG_LSNGetDatum
* LSNGetDatum
* Returns datum representation for a PostgreSQL log sequence number.
*/
#define PgLsnGetDatum(X) ((Datum) SET_8_BYTES(X))
#define LSNGetDatum(X) ((Datum) SET_8_BYTES(X))
/*
* DatumGetTransactionId