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Get rid of a bunch of #ifdef HAVE_INT64_TIMESTAMP conditionals by inventing

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a new typedef TimeOffset to represent an intermediate time value.  It's
either int64 or double as appropriate, and in most usages will be measured
in microseconds or seconds the same as Timestamp.  We don't call it
Timestamp, though, since the value doesn't necessarily represent an absolute
time instant.

Warren Turkal
This commit is contained in:
Tom Lane
2008-03-21 01:31:43 +00:00
parent 6b0706ac33
commit 2d0583a166
5 changed files with 58 additions and 114 deletions
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9
src/backend/utils/adt/nabstime.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/nabstime.c,v 1.153 2008/02/17 02:09:28 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/nabstime.c,v 1.154 2008/03/21 01:31:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -831,12 +831,7 @@ interval_reltime(PG_FUNCTION_ARGS)
int year,
month,
day;
#ifdef HAVE_INT64_TIMESTAMP
int64 span;
#else
double span;
#endif
TimeOffset span;
year = interval->month / MONTHS_PER_YEAR;
month = interval->month % MONTHS_PER_YEAR;