111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
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/*
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* Copyright (C) 2012 - Juan Ferrer Toribio
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sql-delete.h"
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/**
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* SECTION: sql-delete
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* @Short_description: the equivalent of the DELETE statement in SQL.
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* @Title: SqlDelete
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*
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* The #SqlDelete represents a deletion statement.
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**/
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G_DEFINE_TYPE (SqlDelete, sql_delete, SQL_TYPE_DML);
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SqlObject * sql_delete_new ()
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{
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return g_object_new (SQL_TYPE_DELETE, NULL);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
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static void sql_delete_render (SqlDelete * obj, SqlRender * render)
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{
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sql_render_add_token (render, "DELETE");
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sql_render_add_list (render, TRUE, NULL, obj->tables, ",");
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if (SQL_DML (obj)->targets)
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{
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sql_render_add_list (render, TRUE, "FROM", SQL_DML (obj)->targets, ",");
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sql_render_add_item (render, FALSE, "WHERE", SQL_DML (obj)->where);
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}
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
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enum
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{
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PROP_TABLES = 1
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};
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static void sql_delete_set_property (SqlDelete * obj, guint id,
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const GValue * value, GParamSpec * pspec)
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{
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switch (id)
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{
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case PROP_TABLES:
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sql_object_remove (obj, obj->tables);
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obj->tables = sql_object_add (obj, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
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}
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}
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static void sql_delete_get_property (SqlDelete * obj, guint id,
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GValue * value, GParamSpec * pspec)
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{
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switch (id)
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{
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case PROP_TABLES:
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g_value_set_object (value, obj->tables);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
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}
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
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static void sql_delete_init (SqlDelete * obj)
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{
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obj->tables = NULL;
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}
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static void sql_delete_finalize (SqlDelete * obj)
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{
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sql_object_remove (obj, obj->tables);
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G_OBJECT_CLASS (sql_delete_parent_class)->finalize (G_OBJECT (obj));
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}
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static void sql_delete_class_init (SqlDeleteClass * klass)
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{
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GObjectClass * k = G_OBJECT_CLASS (klass);
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k->finalize = (GObjectFinalizeFunc) sql_delete_finalize;
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k->set_property = (GObjectSetPropertyFunc) sql_delete_set_property;
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k->get_property = (GObjectGetPropertyFunc) sql_delete_get_property;
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SQL_OBJECT_CLASS (klass)->render = (SqlRenderFunc) sql_delete_render;
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g_object_class_install_property (k, PROP_TABLES,
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sql_param_list ("tables"
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,"Tables"
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,"A list of tables"
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,SQL_TYPE_TABLE
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,G_PARAM_READWRITE | G_PARAM_CONSTRUCT
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));
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}
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