/* gda-server-provider-extra.h
 *
 * Copyright (C) 2005 Vivien Malerba
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifndef __GDA_SERVER_PROVIDER_EXTRA__
#define __GDA_SERVER_PROVIDER_EXTRA__

#include <libgda/gda-decl.h>
#include <libgda/gda-value.h>
#include <libgda/gda-connection.h>

G_BEGIN_DECLS

/*
 * Help to implement providers, so the schemas return the same
 * number of columns and column titles across the providers.
 */
gint      gda_server_provider_get_schema_nb_columns (GdaConnectionSchema schema);
gboolean  gda_server_provider_init_schema_model     (GdaDataModel *model, GdaConnectionSchema schema);
gboolean  gda_server_provider_test_schema_model     (GdaDataModel *model, GdaConnectionSchema schema, GError **error);


/*
 * Help to implement the GdaDataHandler retreiving for the providers
 */
typedef struct {
	GdaConnection *cnc;
	GdaValueType   gda_type;
	gchar         *dbms_type;
} GdaServerProviderHandlerInfo;

guint           gda_server_provider_handler_info_hash_func  (GdaServerProviderHandlerInfo *key);
gboolean        gda_server_provider_handler_info_equal_func (GdaServerProviderHandlerInfo *a, 
							     GdaServerProviderHandlerInfo *b);
void            gda_server_provider_handler_info_free       (GdaServerProviderHandlerInfo *info);

GdaDataHandler *gda_server_provider_handler_find            (GdaServerProvider *prov, GdaConnection *cnc, 
							     GdaValueType gda_type, const gchar *dbms_type);
void            gda_server_provider_handler_declare         (GdaServerProvider *prov, GdaDataHandler *dh,
							     GdaConnection *cnc, 
							     GdaValueType gda_type, const gchar *dbms_type);

G_END_DECLS

#endif