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interval_abs():

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Add C comment about why there is no interval_abs():  it is unclear what
value to return:

    http://archives.postgresql.org/pgsql-general/2009-10/msg01031.php
    http://archives.postgresql.org/pgsql-general/2009-11/msg00041.php
This commit is contained in:
Bruce Momjian 2009-11-10 18:41:24 +00:00
parent e7ec022266
commit 089f4b921c
1 changed files with 7 additions and 1 deletions
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8
src/backend/utils/adt/timestamp.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.203 2009/09/04 11:20:22 heikki Exp $ * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.204 2009/11/10 18:41:24 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -2779,6 +2779,12 @@ interval_mi(PG_FUNCTION_ARGS)
PG_RETURN_INTERVAL_P(result); PG_RETURN_INTERVAL_P(result);
} }
/*
* There is no interval_abs(): it is unclear what value to return:
* http://archives.postgresql.org/pgsql-general/2009-10/msg01031.php
* http://archives.postgresql.org/pgsql-general/2009-11/msg00041.php
*/
Datum Datum
interval_mul(PG_FUNCTION_ARGS) interval_mul(PG_FUNCTION_ARGS)
{ {