From cc491407de426563ec6a8723cf2339dc2b73a087 Mon Sep 17 00:00:00 2001
From: Dan Kalowsky <kalowsky@php.net>
Date: Wed, 31 Jul 2002 13:50:51 +0000
Subject: [PATCH] Just adding in an error check that seems to work here well.

---
 ext/odbc/php_odbc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ext/odbc/php_odbc.c b/ext/odbc/php_odbc.c
index bf5a613f7f..dac5901b8c 100644
--- a/ext/odbc/php_odbc.c
+++ b/ext/odbc/php_odbc.c
@@ -1631,6 +1631,11 @@ PHP_FUNCTION(odbc_result)
 	
 	/* get field index if the field parameter was a string */
 	if (field != NULL) {
+		if (result->values == NULL) {
+			php_error(E_WARNING, "Result set contains no data");
+			RETURN_FALSE;
+		}
+
 		for(i = 0; i < result->numcols; i++) {
 			if (!strcasecmp(result->values[i].name, field)) {
 				field_ind = i;
-- 
2.50.1