118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*
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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-update.h"
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/**
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* SECTION: sql-update
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* @Short_description: an SQL UPDATE statement
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* @Title: SqlUpdate
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*
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* Represents an SQL UPDATE statement.
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**/
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G_DEFINE_TYPE (SqlUpdate, sql_update, SQL_TYPE_DML);
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SqlObject * sql_update_new ()
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{
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return g_object_new (SQL_TYPE_UPDATE, NULL);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
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static void sql_update_render (SqlUpdate * obj, SqlRender * render)
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{
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sql_render_add_list (render, TRUE, "UPDATE", SQL_DML (obj)->targets, ",");
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if (SQL_DML (obj)->targets)
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{
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sql_render_add_list (render, TRUE, "SET", obj->sets, ",");
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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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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Public
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void sql_update_add_set (SqlUpdate * obj, SqlField * field, SqlExpr * expr)
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{
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g_return_if_fail (SQL_IS_UPDATE (obj));
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g_return_if_fail (SQL_IS_FIELD (field) && SQL_IS_EXPR (expr));
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
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enum
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{
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PROP_SETS = 1
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};
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static void sql_update_set_property (SqlUpdate * 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_SETS:
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sql_object_remove (obj, obj->sets);
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obj->sets = 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_update_get_property (SqlUpdate * 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_SETS:
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g_value_set_object (value, obj->sets);
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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_update_init (SqlUpdate * obj)
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{
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obj->sets = NULL;
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}
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static void sql_update_finalize (SqlUpdate * obj)
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{
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sql_object_remove (obj, obj->sets);
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G_OBJECT_CLASS (sql_update_parent_class)->finalize (G_OBJECT (obj));
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}
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static void sql_update_class_init (SqlUpdateClass * klass)
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{
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GObjectClass * k = G_OBJECT_CLASS (klass);
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k->finalize = (GObjectFinalizeFunc) sql_update_finalize;
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k->set_property = (GObjectSetPropertyFunc) sql_update_set_property;
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k->get_property = (GObjectGetPropertyFunc) sql_update_get_property;
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SQL_OBJECT_CLASS (klass)->render = (SqlRenderFunc) sql_update_render;
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g_object_class_install_property (k, PROP_SETS,
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sql_param_list ("sets"
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,"Sets"
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,"A list of sets"
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,SQL_TYPE_UPDATE_SET
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,G_PARAM_READWRITE
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));
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}
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