Ejemplos de dbt_table_free_rows en C++ (Cpp)

Ejemplo n.º 1

Archivo: dbt_tb.c Proyecto: bluemutedwisdom/OpenSIPS

int dbt_table_free(dbt_table_p _dtp)
{
    dbt_column_p _cp=NULL, _cp0=NULL;

    if(!_dtp)
        return -1;

    if(_dtp->name.s)
        shm_free(_dtp->name.s);
    if(_dtp->dbname.s)
        shm_free(_dtp->dbname.s);

    if(_dtp->rows && _dtp->nrrows>0)
        dbt_table_free_rows(_dtp);

    _cp = _dtp->cols;
    while(_cp)
    {
        _cp0=_cp;
        _cp=_cp->next;
        dbt_column_free(_cp0);
    }
    if(_dtp->colv)
        shm_free(_dtp->colv);

    shm_free(_dtp);

    return 0;
}

Ejemplo n.º 2

Archivo: dbt_base.c Proyecto: TheGrandWazoo/kamailio

/*
 * Delete a row from table
 */
int dbt_delete(db1_con_t* _h, db_key_t* _k, db_op_t* _o, db_val_t* _v, int _n)
{
	dbt_table_p _tbc = NULL;
	dbt_row_p _drp = NULL, _drp0 = NULL;
	int *lkey = NULL;

	if (!_h || !CON_TABLE(_h))
	{
		LM_ERR("invalid parameters\n");
		return -1;
	}

	((dbt_con_p)_h->tail)->affected = 0;

	/* lock database */
	_tbc = dbt_db_get_table(DBT_CON_CONNECTION(_h), CON_TABLE(_h));
	if(!_tbc)
	{
		LM_ERR("failed to load table <%.*s>!\n", CON_TABLE(_h)->len,
				CON_TABLE(_h)->s);
		return -1;
	}

	if(!_k || !_v || _n<=0)
	{
		LM_DBG("deleting all records\n");
		((dbt_con_p)_h->tail)->affected = _tbc->nrrows;
		dbt_table_free_rows(_tbc);
		/* unlock databse */
		dbt_release_table(DBT_CON_CONNECTION(_h), CON_TABLE(_h));
		return 0;
	}

	lkey = dbt_get_refs(_tbc, _k, _n);
	if(!lkey)
		goto error;

	_drp = _tbc->rows;
	while(_drp)
	{
		_drp0 = _drp->next;
		if(dbt_row_match(_tbc, _drp, lkey, _o, _v, _n))
		{
			// delete row
			if(_drp->prev)
				(_drp->prev)->next = _drp->next;
			else
				_tbc->rows = _drp->next;
			if(_drp->next)
				(_drp->next)->prev = _drp->prev;
			_tbc->nrrows--;
			// free row
			dbt_row_free(_tbc, _drp);

			((dbt_con_p)_h->tail)->affected++;

		}
		_drp = _drp0;
	}

	if( ((dbt_con_p)_h->tail)->affected )
		dbt_table_update_flags(_tbc, DBT_TBFL_MODI, DBT_FL_SET, 1);

	/* dbt_print_table(_tbc, NULL); */

	/* unlock database */
	dbt_release_table(DBT_CON_CONNECTION(_h), CON_TABLE(_h));

	if(lkey)
		pkg_free(lkey);

	return 0;

error:
	/* unlock database */
	dbt_release_table(DBT_CON_CONNECTION(_h), CON_TABLE(_h));

	LM_ERR("failed to delete from table!\n");
	return -1;
}

Ejemplo n.º 3

Archivo: dbt_base.c Proyecto: Gaoithe/openimscore_ims

/*
 * Delete a row from table
 */
int dbt_delete(db_con_t* _h, db_key_t* _k, db_op_t* _o, db_val_t* _v, int _n)
{
	tbl_cache_p _tbc = NULL;
	dbt_table_p _dtp = NULL;
	dbt_row_p _drp = NULL, _drp0 = NULL;
	int *lkey = NULL;
	str stbl;

	if (!_h || !CON_TABLE(_h))
	{
#ifdef DBT_EXTRA_DEBUG
		LOG(L_ERR, "DBT:dbt_delete: Invalid parameter value\n");
#endif
		return -1;
	}
	stbl.s = (char*)CON_TABLE(_h);
	stbl.len = strlen(CON_TABLE(_h));

	_tbc = dbt_db_get_table(DBT_CON_CONNECTION(_h), &stbl);
	if(!_tbc)
	{
		DBG("DBT:dbt_delete: error loading table <%s>!\n", CON_TABLE(_h));
		return -1;
	}

	lock_get(&_tbc->sem);
	_dtp = _tbc->dtp;

	if(!_dtp)
	{
		DBG("DBT:dbt_delete: table does not exist!!\n");
		goto error;
	}
	
	if(!_k || !_v || _n<=0)
	{
#ifdef DBT_EXTRA_DEBUG
		LOG(L_ERR, "DBT:dbt_delete: delete all values\n");
#endif
		dbt_table_free_rows(_dtp);
		lock_release(&_tbc->sem);
		return 0;
	}

	lkey = dbt_get_refs(_dtp, _k, _n);
	if(!lkey)
		goto error;
	
	_drp = _dtp->rows;
	while(_drp)
	{
		_drp0 = _drp->next;
		if(dbt_row_match(_dtp, _drp, lkey, _o, _v, _n))
		{
			// delete row
			DBG("DBT:dbt_delete: deleting a row!\n");
			if(_drp->prev)
				(_drp->prev)->next = _drp->next;
			else
				_dtp->rows = _drp->next;
			if(_drp->next)
				(_drp->next)->prev = _drp->prev;
			_dtp->nrrows--;
			// free row
			dbt_row_free(_dtp, _drp);
		}
		_drp = _drp0;
	}

	dbt_table_update_flags(_dtp, DBT_TBFL_MODI, DBT_FL_SET, 1);
	
#ifdef DBT_EXTRA_DEBUG
	dbt_print_table(_dtp, NULL);
#endif
	
	lock_release(&_tbc->sem);
	
	if(lkey)
		pkg_free(lkey);
	
	return 0;
	
error:
	lock_release(&_tbc->sem);
	DBG("DBT:dbt_delete: error deleting from table!\n");
    
	return -1;
}