Index: test/my_result.c
===================================================================
--- test/my_result.c	(revision 1026)
+++ test/my_result.c	(working copy)
@@ -2182,6 +2182,42 @@
 }
 
 
+/*
+  Bug #34271 - C/ODBC 5.1 does not list table fields in MSQRY32
+*/
+DECLARE_TEST(t_bug34271)
+{
+  SQLINTEGER x1= 0, x2= 0;
+
+  /* execute the query, but bind only the first column */
+  ok_sql(hstmt, "select 1,2");
+
+  ok_stmt(hstmt, SQLBindCol(hstmt, 1, SQL_C_LONG, &x1, 0, NULL));
+  ok_stmt(hstmt, SQLFetch(hstmt));
+
+  is_num(x1, 1);
+  is_num(x2, 0);
+  x1= 0;
+
+  /* unbind */
+  ok_stmt(hstmt, SQLFreeStmt(hstmt, SQL_CLOSE));
+  ok_stmt(hstmt, SQLFreeStmt(hstmt, SQL_UNBIND));
+
+  /* execute the query, but bind only the second column */
+  ok_sql(hstmt, "select 1,2");
+
+  ok_stmt(hstmt, SQLBindCol(hstmt, 2, SQL_C_LONG, &x2, 0, NULL));
+  ok_stmt(hstmt, SQLFetch(hstmt));
+
+  is_num(x1, 0);
+  is_num(x2, 2);
+
+  ok_stmt(hstmt, SQLFreeStmt(hstmt, SQL_CLOSE));
+
+  return OK;
+}
+
+
 BEGIN_TESTS
   ADD_TEST(my_resultset)
   ADD_TEST(t_convert_type)
@@ -2213,6 +2249,7 @@
   ADD_TEST(t_bug13776_auto)
   ADD_TEST(t_bug28617)
   ADD_TEST(t_bug32684)
+  ADD_TEST(t_bug34271)
 END_TESTS
 
 
Index: driver/handle.c
===================================================================
--- driver/handle.c	(revision 1026)
+++ driver/handle.c	(working copy)
@@ -403,8 +403,9 @@
 
     if (fOption == SQL_UNBIND)
     {
-        stmt->ard->count= 0;
-        return SQL_SUCCESS;
+      stmt->ard->records.elements= 0;
+      stmt->ard->count= 0;
+      return SQL_SUCCESS;
     }
 
     desc_free_paramdata(stmt->apd);