http://rubyforge.org/forum/message.php?msg_id=96638

success_with_info_on_logon.dif

Index: ext/oci8/oci8.c
===================================================================
--- ext/oci8/oci8.c	(revision 428)
+++ ext/oci8/oci8.c	(working copy)
@@ -219,7 +219,7 @@
     VALUE vmode;
     oci8_svcctx_t *svcctx = DATA_PTR(self);
     sword rv;
-    enum logon_type_t logon_type = T_IMPLICIT;
+    enum logon_type_t logon_type = T_EXPLICIT;
     ub4 cred = OCI_CRED_RDBMS;
     ub4 mode = OCI_DEFAULT;
     OCISvcCtx *svchp = NULL;
@@ -303,7 +303,7 @@
 
         /* begin session. */
         rv = OCISessionBegin_nb(svcctx, svcctx->base.hp.ptr, oci8_errhp, svcctx->authhp, cred, mode);
-        if (rv != OCI_SUCCESS)
+        if (IS_OCI_ERROR(rv))
             oci8_raise(oci8_errhp, rv, NULL);
         oci_lc(OCIAttrSet(svcctx->base.hp.ptr, OCI_HTYPE_SVCCTX, svcctx->authhp, 0, OCI_ATTR_SESSION, oci8_errhp));
         svcctx->logon_type = T_EXPLICIT;