I found the following useful - just a way of using PQgetisnull from

libpq++.

Patrick Welche

1 files changed, 14 insertions, 1 deletions

diff --git a/src/interfaces/libpq++/pgdatabase.cc b/src/interfaces/libpq++/pgdatabase.cc
index 0c26a6a5be2..24f07715f40 100644
--- a/src/interfaces/libpq++/pgdatabase.cc
+++ b/src/interfaces/libpq++/pgdatabase.cc
@@ -10,7 +10,7 @@
  * Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/interfaces/libpq++/Attic/pgdatabase.cc,v 1.3 1999/06/05 18:05:17 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/interfaces/libpq++/Attic/pgdatabase.cc,v 1.4 1999/09/21 21:19:31 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -115,6 +115,18 @@ return PQgetvalue(pgResult, tup_num, FieldNum(field_name));
 }
 
 
+int PgDatabase::GetIsNull(int tup_num, int field_num)
+{ 
+return PQgetisnull(pgResult, tup_num, field_num); 
+}
+
+
+int PgDatabase::GetIsNull(int tup_num, const char* field_name)
+{ 
+return PQgetisnull(pgResult, tup_num, FieldNum(field_name)); 
+}
+
+
 int PgDatabase::GetLength(int tup_num, int field_num)
 { 
 return PQgetlength(pgResult, tup_num, field_num); 
@@ -126,6 +138,7 @@ int PgDatabase::GetLength(int tup_num, const char* field_name)
 return PQgetlength(pgResult, tup_num, FieldNum(field_name)); 
 }
 
+
 int PgDatabase::GetLine(char* string, int length)
 { 
 return PQgetline(pgConn, string, length);