From 5285b3576316b6ff6cd02834b63f0a1f3f5b3e08 Mon Sep 17 00:00:00 2001
From: Neil Conway <neilc@samurai.com>
Date: Sun, 27 Feb 2005 08:31:30 +0000
Subject: Add explicit casts between int4 and boolean. Patch from Sean
 Chittenden, editorializing by Neil Conway. Catalog version bumped.

---
 src/backend/utils/adt/int.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'src/backend/utils/adt/int.c')

diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c
index 7525b50bfec..db36ac963e1 100644
--- a/src/backend/utils/adt/int.c
+++ b/src/backend/utils/adt/int.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.64 2004/12/31 22:01:22 pgsql Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.65 2005/02/27 08:31:30 neilc Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -361,6 +361,25 @@ text_int4(PG_FUNCTION_ARGS)
 	return result;
 }
 
+/* Cast int4 -> bool */
+Datum
+int4_bool(PG_FUNCTION_ARGS)
+{
+	if (PG_GETARG_INT32(0) == 0)
+		PG_RETURN_BOOL(false);
+	else
+		PG_RETURN_BOOL(true);
+}
+
+/* Cast bool -> int4 */
+Datum
+bool_int4(PG_FUNCTION_ARGS)
+{
+	if (PG_GETARG_BOOL(0) == false)
+		PG_RETURN_INT32(0);
+	else
+		PG_RETURN_INT32(1);
+}
 
 /*
  *		============================
-- 
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