[vala] libgda-4.0: several small miscellaneous fixes

[Evan Nemerson <evann src gnome org>]

commit 6fdc7eb6da299f8cb0b708b9a14d0f03524bb035
Author: Shawn Ferris <shawnmferris yahoo com>
Date:   Sat May 15 18:36:14 2010 -0700

    libgda-4.0: several small miscellaneous fixes
    
    Fixes bug 615421.

 vapi/libgda-4.0.vapi                         |   29 ++++++++++++-------------
 vapi/packages/libgda-4.0/libgda-4.0.metadata |    4 +++
 2 files changed, 18 insertions(+), 15 deletions(-)
---
diff --git a/vapi/libgda-4.0.vapi b/vapi/libgda-4.0.vapi
index a9125c1..83c008b 100644
--- a/vapi/libgda-4.0.vapi
+++ b/vapi/libgda-4.0.vapi
@@ -88,8 +88,8 @@ namespace Gda {
 		public static bool dsn_needs_authentication (string dsn_name);
 		public static GLib.Quark error_quark ();
 		public static unowned Gda.Config @get ();
-		public static unowned Gda.DsnInfo get_dsn_info (string dsn_name);
-		public static unowned Gda.DsnInfo get_dsn_info_at_index (int index);
+		public static Gda.DsnInfo get_dsn_info (string dsn_name);
+		public static Gda.DsnInfo get_dsn_info_at_index (int index);
 		public static int get_dsn_info_index (string dsn_name);
 		public static int get_nb_dsn ();
 		public static unowned Gda.ServerProvider get_provider (string provider_name) throws GLib.Error;
@@ -131,7 +131,7 @@ namespace Gda {
 		public unowned Gda.TransactionStatus get_transaction_status ();
 		public bool is_opened ();
 		public bool open () throws GLib.Error;
-		public static unowned Gda.Connection open_from_dsn (string dsn, string auth_string, Gda.ConnectionOptions options) throws GLib.Error;
+		public static unowned Gda.Connection open_from_dsn (string dsn, string? auth_string, Gda.ConnectionOptions options) throws GLib.Error;
 		public static unowned Gda.Connection open_from_string (string provider_name, string? cnc_string, string? auth_string, Gda.ConnectionOptions options) throws GLib.Error;
 		public bool perform_operation (Gda.ServerOperation op) throws GLib.Error;
 		public unowned string quote_sql_identifier (string id);
@@ -286,8 +286,8 @@ namespace Gda {
 		public static GLib.Quark error_quark ();
 		public unowned Gda.Holder get_holder_for_field (int col);
 		public int get_row ();
-		public GLib.Value get_value_at (int col);
-		public GLib.Value get_value_for_field (string field_name);
+		public unowned GLib.Value? get_value_at (int col);
+		public unowned GLib.Value? get_value_for_field (string field_name);
 		public void invalidate_contents ();
 		public bool is_valid ();
 		public bool move_next ();
@@ -413,16 +413,6 @@ namespace Gda {
 		public weak GLib.HashTable values;
 	}
 	[Compact]
-	[CCode (cheader_filename = "libgda/libgda.h")]
-	public class DsnInfo {
-		public weak string auth_string;
-		public weak string cnc_string;
-		public weak string description;
-		public bool is_system;
-		public weak string name;
-		public weak string provider;
-	}
-	[Compact]
 	[CCode (copy_function = "gda_geometricpoint_copy", free_function = "gda_geometricpoint_free", type_id = "GDA_TYPE_GEOMETRIC_POINT", cheader_filename = "libgda/libgda.h")]
 	public class GeometricPoint {
 		public double x;
@@ -1557,6 +1547,15 @@ namespace Gda {
 		public bool trylock ();
 		public void unlock ();
 	}
+	[CCode (type_id = "GDA_TYPE_DSN_INFO", cheader_filename = "libgda/libgda.h")]
+	public struct DsnInfo {
+		public weak string name;
+		public weak string provider;
+		public weak string description;
+		public weak string cnc_string;
+		public weak string auth_string;
+		public bool is_system;
+	}
 	[CCode (type_id = "GDA_TYPE_SQL_PARSER_IFACE", cheader_filename = "libgda/libgda.h")]
 	protected struct SqlParserIface {
 		public Gda.SqlParser parser;
diff --git a/vapi/packages/libgda-4.0/libgda-4.0.metadata b/vapi/packages/libgda-4.0/libgda-4.0.metadata
index 3813621..91cd298 100644
--- a/vapi/packages/libgda-4.0/libgda-4.0.metadata
+++ b/vapi/packages/libgda-4.0/libgda-4.0.metadata
@@ -1,6 +1,7 @@
 Gda cheader_filename="libgda/libgda.h"
 gda_connection_open_from_string.cnc_string nullable="1"
 gda_connection_open_from_string.auth_string nullable="1"
+gda_connection_open_from_dsn.auth_string nullable="1"
 gda_connection_statement_execute_non_select.params nullable="1"
 gda_connection_statement_execute_non_select.last_insert_row nullable="1"
 gda_data_model_import_new_xml_node name="from_xml_node"
@@ -13,3 +14,6 @@ GdaSList namespace="GLib" name="SList"
 gda_data_model_array_new_with_g_types ellipsis="1" sentinel=""
 gda_data_model_get_typed_value_at transfer_ownership="0" nullable="1"
 gda_data_model_get_value_at transfer_ownership="0" nullable="1"
+gda_data_model_iter_get_value_at transfer_ownership="0" nullable="1"
+gda_data_model_iter_get_value_for_field transfer_ownership="0" nullable="1"
+GdaDsnInfo is_value_type="1"