147 lines
3.8 KiB
C
147 lines
3.8 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-function.h"
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/**
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* SECTION: sql-function
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* @Short_description: the equivalent of an SQL function.
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* @Title: SqlFunction
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*
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* The #SqlFunction represents a function and its parameters.
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**/
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G_DEFINE_TYPE (SqlFunction, sql_function, SQL_TYPE_EXPR);
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SqlObject * sql_function_new (const gchar * name, const gchar * schema)
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{
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return g_object_new (SQL_TYPE_FUNCTION, "name", name, "schema", schema, NULL);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
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static void sql_function_render (SqlFunction * obj, SqlRender * render)
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{
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if (obj->schema)
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{
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sql_render_add_identifier (render, obj->schema);
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sql_render_append (render, ".");
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}
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sql_render_add_identifier (render, obj->name);
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sql_render_append (render, "(");
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sql_render_add_list (render, FALSE, NULL, obj->params, ",");
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sql_render_append (render, ")");
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
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enum
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{
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PROP_NAME = 1
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,PROP_SCHEMA
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,PROP_PARAMS
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};
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static void sql_function_set_property (SqlFunction * 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_NAME:
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g_free (obj->name);
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obj->name = g_value_dup_string (value);
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break;
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case PROP_SCHEMA:
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g_free (obj->schema);
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obj->schema = g_value_dup_string (value);
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break;
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case PROP_PARAMS:
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sql_object_remove (obj, obj->params);
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obj->params = 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_function_get_property (SqlFunction * 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_NAME:
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g_value_set_string (value, obj->name);
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break;
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case PROP_SCHEMA:
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g_value_set_string (value, obj->schema);
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break;
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case PROP_PARAMS:
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g_value_set_object (value, obj->params);
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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_function_init (SqlFunction * obj)
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{
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obj->name = NULL;
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obj->schema = NULL;
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obj->params = NULL;
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}
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static void sql_function_finalize (SqlFunction * obj)
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{
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g_free (obj->name);
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g_free (obj->schema);
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sql_object_remove (obj, obj->params);
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G_OBJECT_CLASS (sql_function_parent_class)->finalize (G_OBJECT (obj));
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}
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static void sql_function_class_init (SqlFunctionClass * klass)
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{
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GObjectClass * k = G_OBJECT_CLASS (klass);
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k->finalize = (GObjectFinalizeFunc) sql_function_finalize;
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k->set_property = (GObjectSetPropertyFunc) sql_function_set_property;
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k->get_property = (GObjectGetPropertyFunc) sql_function_get_property;
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SQL_OBJECT_CLASS (klass)->render = (SqlRenderFunc) sql_function_render;
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g_object_class_install_property (k, PROP_NAME,
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g_param_spec_string ("name"
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,_("Name")
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,_("The function name")
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,NULL
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,G_PARAM_READWRITE
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));
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g_object_class_install_property (k, PROP_SCHEMA,
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g_param_spec_string ("schema"
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,_("Schema")
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,_("The schema to which the function belongs")
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,NULL
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,G_PARAM_READWRITE
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));
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g_object_class_install_property (k, PROP_PARAMS,
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sql_param_list ("params"
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,_("Parameters")
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,_("The function parameters")
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,SQL_TYPE_EXPR
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,G_PARAM_READWRITE | G_PARAM_CONSTRUCT
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));
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}
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