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Clean up references to SQL92

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In most cases, these were just references to the SQL standard in
general.  In a few cases, a contrast was made between SQL92 and later
standards -- those have been kept unchanged.
This commit is contained in:
Peter Eisentraut
2013-04-20 11:04:41 -04:00
parent 6e481ebff6
commit cc26ea9fe2
25 changed files with 65 additions and 67 deletions
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8
src/backend/utils/adt/timestamp.c
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@ -1,7 +1,7 @@
/*-------------------------------------------------------------------------
*
* timestamp.c
* Functions for the built-in SQL92 types "timestamp" and "interval".
* Functions for the built-in SQL types "timestamp" and "interval".
*
* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
@ -2276,9 +2276,9 @@ interval_hash(PG_FUNCTION_ARGS)
#endif
}
/* overlaps_timestamp() --- implements the SQL92 OVERLAPS operator.
/* overlaps_timestamp() --- implements the SQL OVERLAPS operator.
*
* Algorithm is per SQL92 spec. This is much harder than you'd think
* Algorithm is per SQL spec. This is much harder than you'd think
* because the spec requires us to deliver a non-null answer in some cases
* where some of the inputs are null.
*/
@ -3129,7 +3129,7 @@ interval_avg(PG_FUNCTION_ARGS)
memcpy((void *) &sumX, DatumGetPointer(transdatums[0]), sizeof(Interval));
memcpy((void *) &N, DatumGetPointer(transdatums[1]), sizeof(Interval));
/* SQL92 defines AVG of no values to be NULL */
/* SQL defines AVG of no values to be NULL */
if (N.time == 0)
PG_RETURN_NULL();