cursor.h

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/*
 * DB-ALLe - Archive for punctual meteorological data
 *
 * Copyright (C) 2005,2006  ARPA-SIM <urpsim@smr.arpa.emr.it>
 *
 * 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.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 *
 * Author: Enrico Zini <enrico@enricozini.com>
 */

#ifndef DBA_DB_CURSOR_H
#define DBA_DB_CURSOR_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <dballe/core/record.h>
#include <dballe/db/querybuf.h>

#define DBA_DB_WANT_COORDS      (1 << 0)

#define DBA_DB_WANT_IDENT       (1 << 1)

#define DBA_DB_WANT_LEVEL       (1 << 2)

#define DBA_DB_WANT_TIMERANGE   (1 << 3)

#define DBA_DB_WANT_DATETIME    (1 << 4)

#define DBA_DB_WANT_VAR_NAME    (1 << 5)

#define DBA_DB_WANT_VAR_VALUE   (1 << 6)

#define DBA_DB_WANT_REPCOD      (1 << 7)

#define DBA_DB_WANT_ANA_ID      (1 << 8)

#define DBA_DB_WANT_CONTEXT_ID  (1 << 9)

#define DBA_DB_FROM_PA          (1 << 0)

#define DBA_DB_FROM_C           (1 << 1)

#define DBA_DB_FROM_D           (1 << 2)

#define DBA_DB_FROM_RI          (1 << 3)

#define DBA_DB_FROM_CBS         (1 << 4)

#define DBA_DB_FROM_DBLO        (1 << 5)

#define DBA_DB_FROM_DSTA        (1 << 6)

#define DBA_DB_FROM_DANA        (1 << 7)

#define DBA_DB_FROM_DDF         (1 << 8)

#define DBA_DB_FROM_ADF         (1 << 9)

#define DBA_DB_MODIFIER_BEST        (1 << 0)

#define DBA_DB_MODIFIER_BIGANA      (1 << 1)

#define DBA_DB_MODIFIER_DISTINCT    (1 << 2)

#define DBA_DB_MODIFIER_ANAEXTRA    (1 << 3)

#define DBA_DB_MODIFIER_NOANAEXTRA  (1 << 4)

#define DBA_DB_MODIFIER_UNSORTED    (1 << 5)

#define DBA_DB_MODIFIER_STREAM      (1 << 6)

#ifndef DBA_DB_DEFINED
#define DBA_DB_DEFINED
struct _dba_db;
typedef struct _dba_db* dba_db;
#endif

struct _dba_db_cursor;
typedef struct _dba_db_cursor* dba_db_cursor;

dba_err dba_db_cursor_create(dba_db db, dba_db_cursor* cur);

void dba_db_cursor_delete(dba_db_cursor cur);

dba_err dba_db_cursor_query(dba_db_cursor cur, dba_record query, unsigned int wanted, unsigned int modifiers);

int dba_db_cursor_remaining(dba_db_cursor cur);

dba_err dba_db_cursor_next(dba_db_cursor cur, int* has_data);

dba_err dba_db_cursor_to_record(dba_db_cursor cur, dba_record rec);


#if 0

dba_err dba_db_ana_cursor_next(dba_db_cursor cur, dba_record rec, int* is_last);

dba_err dba_db_cursor_next(dba_db_cursor cur, dba_record rec, dba_varcode* var, int* context_id, int* is_last);
#endif

#ifdef  __cplusplus
}
#endif

/* vim:set ts=4 sw=4: */
#endif

---