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/*
* Copyright (C) 2000 Reinhard Müller <reinhard@src.gnome.org>
* Copyright (C) 2000 - 2002 Rodrigo Moya <rodrigo@gnome-db.org>
* Copyright (C) 2001 Carlos Perell Marn <carlos@gnome-db.org>
* Copyright (C) 2001 - 2012 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2002 Gonzalo Paniagua Javier <gonzalo@src.gnome.org>
*
* 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_VCONNECTION_DATA_MODEL_PRIVATE_H__
#define __GDA_VCONNECTION_DATA_MODEL_PRIVATE_H__
G_BEGIN_DECLS
typedef enum {
PARAMS_INSERT,
PARAMS_UPDATE,
PARAMS_DELETE,
PARAMS_NB
} ParamType;
typedef struct GdaVConnectionTableData GdaVConnectionTableData;
typedef struct VContext VContext;
typedef struct ExecContext ExecContext;
typedef struct VirtualFilteredData VirtualFilteredData;
struct VContext{
GObject *context_object;
GArray *context_data;
GdaVConnectionTableData *vtable;
};
struct ExecContext {
VContext *current_vcontext;
GMutex *mutex;
GHashTable *hash; /* key = a GObject, value = a VContext where @context_object == key */
};
/*
* This structure holds data to be used by a virtual cursor, for a specific filter,
* it keeps track of data which has been assigned a rowID
*/
struct VirtualFilteredData {
/* status */
guint8 refcount;
gboolean reuseable;
/* filter */
int idxNum;
char *idxStr;
int argc;
GValue **argv;
/* row numbers offset */
guint32 rowid_offset;
/* data */
GdaDataModel *model;
GdaDataModelIter *iter; /* not NULL while nrows == -1 */
GArray *values_array;
gint ncols;
gint nrows; /* -1 until known */
};
struct GdaVConnectionTableData {
GdaVconnectionDataModelSpec *spec;
GDestroyNotify spec_free_func;
GdaDataModel *real_model; /* data model really being used, a reference is kept */
GList *columns;
gchar *table_name;
gchar *unique_name;
gint n_columns;
GdaStatement *modif_stmt[PARAMS_NB];
GdaSet *modif_params[PARAMS_NB];
ExecContext context; /* not a pointer! */
};
void _gda_vconnection_virtual_filtered_data_unref (VirtualFilteredData *data);
void _gda_vconnection_data_model_table_data_free (GdaVConnectionTableData *td);
GdaVConnectionTableData *_gda_vconnection_get_table_data_by_name (GdaVconnectionDataModel *cnc, const gchar *table_name);
GdaVConnectionTableData *_gda_vconnection_get_table_data_by_model (GdaVconnectionDataModel *cnc, GdaDataModel *model);
GdaVConnectionTableData *_gda_vconnection_get_table_data_by_unique_name (GdaVconnectionDataModel *cnc, const gchar *unique_name);
void _gda_vconnection_set_working_obj (GdaVconnectionDataModel *cnc, GObject *obj);
void _gda_vconnection_change_working_obj (GdaVconnectionDataModel *cnc, GObject *obj);
G_END_DECLS
#endif
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