/usr/include/libgda-5.0/libgda/gda-server-provider.h is in libgda-5.0-dev 5.0.3-1.
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* Copyright (C) 2001 - 2004 Rodrigo Moya <rodrigo@gnome-db.org>
* Copyright (C) 2002 - 2003 Gonzalo Paniagua Javier <gonzalo@ximian.com>
* Copyright (C) 2004 - 2005 Alan Knowles <alank@src.gnome.org>
* Copyright (C) 2005 Bas Driessen <bas.driessen@xobas.com>
* Copyright (C) 2005 - 2011 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2006 - 2008 Murray Cumming <murrayc@murrayc.com>
* Copyright (C) 2007 Armin Burgmeier <armin@openismus.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GDA_SERVER_PROVIDER_H__
#define __GDA_SERVER_PROVIDER_H__
#include <libgda/gda-server-operation.h>
#include <libgda/gda-connection.h>
#include <libgda/gda-data-model.h>
#include <libgda/gda-quark-list.h>
#include <libgda/gda-statement.h>
#include <libgda/gda-meta-store.h>
#include <libgda/gda-xa-transaction.h>
G_BEGIN_DECLS
#define GDA_TYPE_SERVER_PROVIDER (gda_server_provider_get_type())
#define GDA_SERVER_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GDA_TYPE_SERVER_PROVIDER, GdaServerProvider))
#define GDA_SERVER_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST (klass, GDA_TYPE_SERVER_PROVIDER, GdaServerProviderClass))
#define GDA_IS_SERVER_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE(obj, GDA_TYPE_SERVER_PROVIDER))
#define GDA_IS_SERVER_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GDA_TYPE_SERVER_PROVIDER))
/* error reporting */
extern GQuark gda_server_provider_error_quark (void);
#define GDA_SERVER_PROVIDER_ERROR gda_server_provider_error_quark ()
typedef enum
{
GDA_SERVER_PROVIDER_METHOD_NON_IMPLEMENTED_ERROR,
GDA_SERVER_PROVIDER_PREPARE_STMT_ERROR,
GDA_SERVER_PROVIDER_EMPTY_STMT_ERROR,
GDA_SERVER_PROVIDER_MISSING_PARAM_ERROR,
GDA_SERVER_PROVIDER_STATEMENT_EXEC_ERROR,
GDA_SERVER_PROVIDER_OPERATION_ERROR,
GDA_SERVER_PROVIDER_INTERNAL_ERROR,
GDA_SERVER_PROVIDER_BUSY_ERROR,
GDA_SERVER_PROVIDER_NON_SUPPORTED_ERROR,
GDA_SERVER_PROVIDER_SERVER_VERSION_ERROR,
GDA_SERVER_PROVIDER_DATA_ERROR,
GDA_SERVER_PROVIDER_DEFAULT_VALUE_HANDLING_ERROR,
GDA_SERVER_PROVIDER_MISUSE_ERROR,
GDA_SERVER_PROVIDER_FILE_NOT_FOUND_ERROR
} GdaServerProviderError;
struct _GdaServerProvider {
GObject object;
GdaServerProviderPrivate *priv;
};
/**
* GdaServerProviderMeta:
* @_info:
* @_btypes:
* @_udt:
* @udt:
* @_udt_cols:
* @udt_cols:
* @_enums:
* @enums:
* @_domains:
* @domains:
* @_constraints_dom:
* @constraints_dom:
* @_el_types:
* @el_types:
* @_collations:
* @collations:
* @_character_sets:
* @character_sets:
* @_schemata:
* @schemata:
* @_tables_views:
* @tables_views:
* @_columns:
* @columns:
* @_view_cols:
* @view_cols:
* @_constraints_tab:
* @constraints_tab:
* @_constraints_ref:
* @constraints_ref:
* @_key_columns:
* @key_columns:
* @_check_columns:
* @check_columns:
* @_triggers:
* @triggers:
* @_routines:
* @routines:
* @_routine_col:
* @routine_col:
* @_routine_par:
* @routine_par:
* @_indexes_tab:
* @indexes_tab:
* @_index_cols:
* @index_cols:
*
* These methods must be implemented by providers to update a connection's associated metadata (in a
* #GdaMetaStore object), see the <link linkend="prov-metadata">Virtual methods for providers/Methods - metadata</link>
* for more information.
*/
typedef struct {
/* _information_schema_catalog_name */
gboolean (*_info) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
/* _builtin_data_types */
gboolean (*_btypes) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
/* _udt */
gboolean (*_udt) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*udt) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *udt_catalog, const GValue *udt_schema);
/* _udt_columns */
gboolean (*_udt_cols) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*udt_cols) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *udt_catalog, const GValue *udt_schema, const GValue *udt_name);
/* _enums */
gboolean (*_enums) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*enums) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *udt_catalog, const GValue *udt_schema, const GValue *udt_name);
/* _domains */
gboolean (*_domains) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*domains) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *domain_catalog, const GValue *domain_schema);
/* _domain_constraints */
gboolean (*_constraints_dom) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*constraints_dom) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *domain_catalog, const GValue *domain_schema, const GValue *domain_name);
/* _element_types */
gboolean (*_el_types) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*el_types) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *specific_name);
/* _collations */
gboolean (*_collations) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*collations) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *collation_catalog, const GValue *collation_schema,
const GValue *collation_name_n);
/* _character_sets */
gboolean (*_character_sets) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*character_sets) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *chset_catalog, const GValue *chset_schema, const GValue *chset_name_n);
/* _schemata */
gboolean (*_schemata) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*schemata) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *catalog_name, const GValue *schema_name_n);
/* _tables or _views */
gboolean (*_tables_views) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*tables_views) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name_n);
/* _columns */
gboolean (*_columns) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*columns) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name);
/* _view_column_usage */
gboolean (*_view_cols) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*view_cols) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *view_catalog, const GValue *view_schema, const GValue *view_name);
/* _table_constraints */
gboolean (*_constraints_tab) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*constraints_tab) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name,
const GValue *constraint_name_n);
/* _referential_constraints */
gboolean (*_constraints_ref) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*constraints_ref) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name,
const GValue *constraint_name);
/* _key_column_usage */
gboolean (*_key_columns) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*key_columns) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name,
const GValue *constraint_name);
/* _check_column_usage */
gboolean (*_check_columns) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*check_columns) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name,
const GValue *constraint_name);
/* _triggers */
gboolean (*_triggers) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*triggers) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name);
/* _routines */
gboolean (*_routines) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*routines) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *routine_catalog, const GValue *routine_schema,
const GValue *routine_name_n);
/* _routine_columns */
gboolean (*_routine_col) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*routine_col) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *rout_catalog, const GValue *rout_schema, const GValue *rout_name);
/* _parameters */
gboolean (*_routine_par) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*routine_par) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *rout_catalog, const GValue *rout_schema, const GValue *rout_name);
/* _table_indexes */
gboolean (*_indexes_tab) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*indexes_tab) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name,
const GValue *index_name_n);
/* _index_column_usage */
gboolean (*_index_cols) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **);
gboolean (*index_cols) (GdaServerProvider *, GdaConnection *, GdaMetaStore *, GdaMetaContext *, GError **,
const GValue *table_catalog, const GValue *table_schema, const GValue *table_name, const GValue *index_name);
/*< private >*/
/* Padding for future expansion */
void (*_gda_reserved5) (void);
void (*_gda_reserved6) (void);
void (*_gda_reserved7) (void);
void (*_gda_reserved8) (void);
void (*_gda_reserved9) (void);
void (*_gda_reserved10) (void);
void (*_gda_reserved11) (void);
void (*_gda_reserved12) (void);
void (*_gda_reserved13) (void);
void (*_gda_reserved14) (void);
void (*_gda_reserved15) (void);
void (*_gda_reserved16) (void);
} GdaServerProviderMeta;
/* distributed transaction support */
typedef struct {
gboolean (*xa_start) (GdaServerProvider *, GdaConnection *, const GdaXaTransactionId *, GError **);
gboolean (*xa_end) (GdaServerProvider *, GdaConnection *, const GdaXaTransactionId *, GError **);
gboolean (*xa_prepare) (GdaServerProvider *, GdaConnection *, const GdaXaTransactionId *, GError **);
gboolean (*xa_commit) (GdaServerProvider *, GdaConnection *, const GdaXaTransactionId *, GError **);
gboolean (*xa_rollback) (GdaServerProvider *, GdaConnection *, const GdaXaTransactionId *, GError **);
GList *(*xa_recover) (GdaServerProvider *, GdaConnection *, GError **);
} GdaServerProviderXa;
/**
* GdaServerProviderAsyncCallback:
* @provider:
* @cnc:
* @task_id:
* @result_status:
* @error:
* @data:
*
* Function to be called by Libgda when the associated asynchronous method invoked finishes.
*/
typedef void (*GdaServerProviderAsyncCallback) (GdaServerProvider *provider, GdaConnection *cnc, guint task_id,
gboolean result_status, const GError *error, gpointer data);
/**
* GdaServerProviderExecCallback:
* @provider:
* @cnc:
* @task_id:
* @result_obj:
* @error:
* @data:
*
* Function to be called by Libgda when the associated asynchronous method invoked finishes
*/
typedef void (*GdaServerProviderExecCallback) (GdaServerProvider *provider, GdaConnection *cnc, guint task_id,
GObject *result_obj, const GError *error, gpointer data);
#define GDA_SERVER_PROVIDER_UNDEFINED_LIMITING_THREAD ((gpointer)0x1)
struct _GdaServerProviderClass {
GObjectClass parent_class;
/* provider information */
GThread * limiting_thread; /* if not NULL, then using the provider will be limited to this thread */
const gchar *(* get_name) (GdaServerProvider *provider);
const gchar *(* get_version) (GdaServerProvider *provider);
const gchar *(* get_server_version) (GdaServerProvider *provider, GdaConnection *cnc);
gboolean (* supports_feature) (GdaServerProvider *provider, GdaConnection *cnc,
GdaConnectionFeature feature);
/* types and values manipulation */
GdaDataHandler *(* get_data_handler) (GdaServerProvider *provider, GdaConnection *cnc,
GType g_type, const gchar *dbms_type);
const gchar *(*get_def_dbms_type) (GdaServerProvider *provider, GdaConnection *cnc, GType g_type);
gchar *(*escape_string) (GdaServerProvider *provider, GdaConnection *cnc, const gchar *str);
gchar *(*unescape_string) (GdaServerProvider *provider, GdaConnection *cnc, const gchar *str);
/* connections management */
gboolean (* open_connection) (GdaServerProvider *provider, GdaConnection *cnc,
GdaQuarkList *params, GdaQuarkList *auth,
guint *task_id, GdaServerProviderAsyncCallback async_cb,
gpointer cb_data);
gboolean (* close_connection) (GdaServerProvider *provider, GdaConnection *cnc);
const gchar *(* get_database) (GdaServerProvider *provider, GdaConnection *cnc);
/* operations */
gboolean (* supports_operation) (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperationType type, GdaSet *options);
GdaServerOperation *(* create_operation) (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperationType type, GdaSet *options, GError **error);
gchar *(* render_operation) (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperation *op, GError **error);
gboolean (* perform_operation) (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperation *op,
guint *task_id, GdaServerProviderAsyncCallback async_cb,
gpointer cb_data, GError **error);
/* transactions */
gboolean (* begin_transaction) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *name, GdaTransactionIsolation level, GError **error);
gboolean (* commit_transaction) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *name, GError **error);
gboolean (* rollback_transaction) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *name, GError **error);
gboolean (* add_savepoint) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *name, GError **error);
gboolean (* rollback_savepoint) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *name, GError **error);
gboolean (* delete_savepoint) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *name, GError **error);
/* GdaStatement */
GdaSqlParser *(* create_parser) (GdaServerProvider *provider, GdaConnection *cnc);
/**
* statement_to_sql:
* @cnc: a #GdaConnection object
* @stmt: a #GdaStatement object
* @params: (allow-none): a #GdaSet object (which can be obtained using gda_statement_get_parameters()), or %NULL
* @flags: SQL rendering flags, as #GdaStatementSqlFlag OR'ed values
* @params_used: (allow-none) (element-type Gda.Holder) (out) (transfer container): a place to store the list of individual #GdaHolder objects within @params which have been used
* @error: a place to store errors, or %NULL
*
* Renders @stmt as an SQL statement, adapted to the SQL dialect used by @cnc
*
* Returns: a new string, or %NULL if an error occurred
*/
gchar *(* statement_to_sql) (GdaServerProvider *provider, GdaConnection *cnc,
GdaStatement *stmt, GdaSet *params, GdaStatementSqlFlag flags,
GSList **params_used, GError **error);
gboolean (* statement_prepare) (GdaServerProvider *provider, GdaConnection *cnc,
GdaStatement *stmt, GError **error);
GObject *(* statement_execute) (GdaServerProvider *provider, GdaConnection *cnc,
GdaStatement *stmt, GdaSet *params,
GdaStatementModelUsage model_usage,
GType *col_types, GdaSet **last_inserted_row,
guint *task_id, GdaServerProviderExecCallback exec_cb,
gpointer cb_data, GError **error);
/* Misc */
gboolean (* is_busy) (GdaServerProvider *provider, GdaConnection *cnc, GError **error);
gboolean (* cancel) (GdaServerProvider *provider, GdaConnection *cnc,
guint task_id, GError **error);
GdaConnection *(* create_connection) (GdaServerProvider *provider);
/* meta data reporting */
GdaServerProviderMeta meta_funcs;
/* distributed transaction */
GdaServerProviderXa *xa_funcs; /* it is a pointer! => set to %NULL if unsupported by provider */
/* SQL identifiers quoting */
gchar *(* identifier_quote) (GdaServerProvider *provider, GdaConnection *cnc,
const gchar *id,
gboolean for_meta_store, gboolean force_quotes);
/* Async. handling */
gboolean (*handle_async) (GdaServerProvider *provider, GdaConnection *cnc, GError **error);
GdaSqlStatement *(*statement_rewrite) (GdaServerProvider *provider, GdaConnection *cnc,
GdaStatement *stmt, GdaSet *params, GError **error);
/*< private >*/
/* Padding for future expansion */
void (*_gda_reserved1) (void);
void (*_gda_reserved2) (void);
void (*_gda_reserved3) (void);
void (*_gda_reserved4) (void);
void (*_gda_reserved5) (void);
void (*_gda_reserved6) (void);
};
/**
* SECTION:gda-server-provider
* @short_description: Base class for all the DBMS providers
* @title: GdaServerProvider
* @stability: Stable
* @see_also: #GdaConnection
*
* The #GdaServerProvider class is a virtual class which all the DBMS providers
* must inherit, and implement its virtual methods.
*
* See the <link linkend="libgda-provider-class">Virtual methods for providers</link> section for more information
* about how to implement the virtual methods.
*/
GType gda_server_provider_get_type (void) G_GNUC_CONST;
/* provider information */
const gchar *gda_server_provider_get_name (GdaServerProvider *provider);
const gchar *gda_server_provider_get_version (GdaServerProvider *provider);
const gchar *gda_server_provider_get_server_version (GdaServerProvider *provider, GdaConnection *cnc);
gboolean gda_server_provider_supports_feature (GdaServerProvider *provider, GdaConnection *cnc,
GdaConnectionFeature feature);
/* types and values manipulation */
GdaDataHandler *gda_server_provider_get_data_handler_g_type(GdaServerProvider *provider,
GdaConnection *cnc,
GType for_type);
GdaDataHandler *gda_server_provider_get_data_handler_dbms (GdaServerProvider *provider,
GdaConnection *cnc,
const gchar *for_type);
GValue *gda_server_provider_string_to_value (GdaServerProvider *provider,
GdaConnection *cnc,
const gchar *string,
GType preferred_type,
gchar **dbms_type);
gchar *gda_server_provider_value_to_sql_string (GdaServerProvider *provider,
GdaConnection *cnc,
GValue *from);
const gchar *gda_server_provider_get_default_dbms_type (GdaServerProvider *provider,
GdaConnection *cnc,
GType type);
gchar *gda_server_provider_escape_string (GdaServerProvider *provider,
GdaConnection *cnc, const gchar *str);
gchar *gda_server_provider_unescape_string (GdaServerProvider *provider,
GdaConnection *cnc, const gchar *str);
/* actions with parameters */
gboolean gda_server_provider_supports_operation (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperationType type, GdaSet *options);
GdaServerOperation *gda_server_provider_create_operation (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperationType type,
GdaSet *options, GError **error);
gchar *gda_server_provider_render_operation (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperation *op, GError **error);
gboolean gda_server_provider_perform_operation (GdaServerProvider *provider, GdaConnection *cnc,
GdaServerOperation *op, GError **error);
/* GdaStatement */
GdaSqlParser *gda_server_provider_create_parser (GdaServerProvider *provider, GdaConnection *cnc);
G_END_DECLS
#endif
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