1 /* 2 * Copyright (C) 2006 - 2011 Vivien Malerba <malerba@gnome-db.org> 3 * Copyright (C) 2007 Armin Burgmeier <armin@openismus.com> 4 * Copyright (C) 2007 Murray Cumming <murrayc@murrayc.com> 5 * Copyright (C) 2009 Bas Driessen <bas.driessen@xobas.com> 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef __GDA_SERVER_PROVIDER_EXTRA__ 24 #define __GDA_SERVER_PROVIDER_EXTRA__ 25 26 #include <libgda/gda-decl.h> 27 #include <libgda/gda-value.h> 28 #include <libgda/gda-connection.h> 29 30 G_BEGIN_DECLS 31 32 /** 33 * SECTION:provider-support 34 * @short_description: Methods dedicated to implementing providers 35 * @title: Misc API for database providers 36 * @stability: Stable 37 * @see_also: 38 * 39 * The methods mentioned in this section are reserved for database providers implementations and should 40 * not bu used by developers outside that scope. 41 */ 42 43 /* 44 * GdaSqlParser associated to each provider 45 */ 46 GdaSqlParser *gda_server_provider_internal_get_parser (GdaServerProvider *prov); 47 48 /* 49 * Default perform operation 50 */ 51 gboolean gda_server_provider_perform_operation_default (GdaServerProvider *provider, GdaConnection *cnc, 52 GdaServerOperation *op, GError **error); 53 54 /* default data handler method */ 55 GdaDataHandler *gda_server_provider_handler_use_default (GdaServerProvider *provider, GType type); 56 GdaDataHandler *gda_server_provider_get_data_handler_default (GdaServerProvider *provider, GdaConnection *cnc, 57 GType type, const gchar *dbms_type); 58 59 /* Convert a SELECT statement with potentially some parameters to another SELECT statement 60 * where all the parameters are removed and where the WHERE condition is set to "0 = 1" 61 * to make sure no row will ever be returned 62 */ 63 GdaStatement *gda_select_alter_select_for_empty (GdaStatement *stmt, GError **error); 64 65 /* 66 * Help to implement the GdaDataHandler retrieving for the providers 67 */ 68 typedef struct { 69 GdaConnection *cnc; 70 GType g_type; 71 gchar *dbms_type; 72 } GdaServerProviderHandlerInfo; 73 74 GdaDataHandler *gda_server_provider_handler_find (GdaServerProvider *prov, GdaConnection *cnc, 75 GType g_type, const gchar *dbms_type); 76 void gda_server_provider_handler_declare (GdaServerProvider *prov, GdaDataHandler *dh, 77 GdaConnection *cnc, 78 GType g_type, const gchar *dbms_type); 79 void _gda_server_provider_handlers_clear_for_cnc (GdaServerProvider *prov, GdaConnection *cnc); 80 81 /* 82 * misc 83 */ 84 gchar *gda_server_provider_find_file (GdaServerProvider *prov, const gchar *inst_dir, const gchar *filename); 85 gchar *gda_server_provider_load_file_contents (const gchar *inst_dir, const gchar *data_dir, const gchar *filename); 86 87 G_END_DECLS 88 89 #endif 90 91 92 93