Re: [gnome-db] turning postgres recordset into a GdaDataModelArray derived object

[Rodrigo Moya <rodrigo gnome-db org>]

On Fri, 2002-05-10 at 02:57, Gonzalo Paniagua Javier wrote:
> 	Here it is. Please help me! I keep getting NULL values even
> 	just before calling append_row in get_value_at
> 
> -- 
> Gonzalo Paniagua Javier <gonzalo gnome-db org>
> http://www.gnome-db.org/~gonzalo/
> 
just for the record, we found the cause while talking on IRC:

> +
>  GdaDataModel *
>  gda_postgres_recordset_new (GdaConnection *cnc, PGresult *pg_res)
>  {
> -	GdaDataModel *model;
> -	GdaDataModelClass *klass;
> -	GdaPostgresRecordsetPrivate *priv_data;
> +	GdaPostgresRecordset *model;
>  	GdaPostgresConnectionData *cnc_priv_data;
>  
>  	g_return_val_if_fail (GDA_IS_CONNECTION (cnc), NULL);
> @@ -212,28 +317,16 @@
>  
>  	cnc_priv_data = g_object_get_data (G_OBJECT (cnc), OBJECT_DATA_POSTGRES_HANDLE);
>  
> -	priv_data = g_new (GdaPostgresRecordsetPrivate, 1);
> -	priv_data->pg_res = pg_res;
> -	priv_data->gda_conn = cnc;
> -	priv_data->ntypes = cnc_priv_data->ntypes;
> -	priv_data->type_data = cnc_priv_data->type_data;
> -	priv_data->h_table = cnc_priv_data->h_table;
> -
> -	model = g_object_new (GDA_TYPE_DATA_MODEL, NULL);
> -	klass = GDA_DATA_MODEL_CLASS (G_OBJECT_GET_CLASS (model));
> -
> -	klass->changed = NULL;
> -	klass->begin_edit = NULL;
> -	klass->cancel_edit = NULL;
> -	klass->end_edit = NULL;
> -	klass->get_n_rows = get_n_rows_func;
> -	klass->get_n_columns = get_n_columns_func;
> -	klass->describe_column = describe_func;
> -	klass->get_value_at = get_value_at_func;
> -
> -	g_object_set_data_full (G_OBJECT (model), OBJECT_DATA_RECSET_HANDLE,
> -				priv_data, (GDestroyNotify) free_postgres_res);
> +	g_print ("Creo un recordset\n");
> +	model = g_object_new (GDA_TYPE_POSTGRES_RECORDSET, NULL);
> +	model->priv->pg_res = pg_res;
> +	model->priv->cnc = cnc;
> +	model->priv->ntypes = cnc_priv_data->ntypes;
> +	model->priv->type_data = cnc_priv_data->type_data;
> +	model->priv->h_table = cnc_priv_data->h_table;
> +	gda_data_model_array_set_n_columns (GDA_DATA_MODEL_ARRAY (model),
> +					    PQntuples (pg_res));
>  
here, it's setting the number of columns to the number of rows.

cheers