interval_abs():

bmomjian · bmomjian · commit 089f4b921c3a · 2009-11-10T18:41:24.000Z
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
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
@@ -8,7 +8,7 @@
  *
  *
  * 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);
 }
 
+/*
+ *  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
 interval_mul(PG_FUNCTION_ARGS)
 {

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.203 2009/09/04 11:20:22 heikki Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.204 2009/11/10 18:41:24 momjian Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -2779,6 +2779,12 @@ interval_mi(PG_FUNCTION_ARGS)`
`2779`	`2779`	`PG_RETURN_INTERVAL_P(result);`
`2780`	`2780`	`}`
`2781`	`2781`
	`2782`	`+/*`
	`2783`	`+ * There is no interval_abs(): it is unclear what value to return:`
	`2784`	`+ * http://archives.postgresql.org/pgsql-general/2009-10/msg01031.php`
	`2785`	`+ * http://archives.postgresql.org/pgsql-general/2009-11/msg00041.php`
	`2786`	`+ */`
	`2787`	`+`
`2782`	`2788`	`Datum`
`2783`	`2789`	`interval_mul(PG_FUNCTION_ARGS)`
`2784`	`2790`	`{`