From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 7 Nov 2003 20:07:47 +0000 (+0000)
Subject: Change PGSQL-GET-VALUE to return #F if field is NULL.
X-Git-Tag: 20090517-FFI~1761
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=10b7442b9b7b9f990972d7349352edeb2e392777;p=mit-scheme.git

Change PGSQL-GET-VALUE to return #F if field is NULL.
---

diff --git a/v7/src/runtime/pgsql.scm b/v7/src/runtime/pgsql.scm
index 82cdbaa99..a53b0246f 100644
--- a/v7/src/runtime/pgsql.scm
+++ b/v7/src/runtime/pgsql.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: pgsql.scm,v 1.4 2003/11/06 04:16:46 cph Exp $
+$Id: pgsql.scm,v 1.5 2003/11/07 20:07:47 cph Exp $
 
 Copyright 2003 Massachusetts Institute of Technology
 
@@ -335,7 +335,10 @@ USA.
   (pq-field-name (result->handle result) index))
 
 (define (pgsql-get-value result row column)
-  (pq-get-value (result->handle result) row column))
+  (let ((handle (result->handle result)))
+    (if (pq-get-is-null? handle row column)
+	#f
+	(pq-get-value handle row column))))
 
 (define (pgsql-get-is-null? result row column)
   (pq-get-is-null? (result->handle result) row column))