94 lines
2.5 KiB
C
94 lines
2.5 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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#ifndef SQL_SELECT_H
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#define SQL_SELECT_H
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#include "sql-dml.h"
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#define SQL_TYPE_SELECT (sql_select_get_type ())
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#define SQL_SELECT(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, SQL_TYPE_SELECT, SqlSelect))
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#define SQL_IS_SELECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, SQL_TYPE_SELECT))
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typedef struct _SqlSelect SqlSelect;
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typedef struct _SqlSelectClass SqlSelectClass;
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typedef enum
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{
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SQL_SELECT_NONE
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,SQL_SELECT_UNION_ALL
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,SQL_SELECT_UNION_ANY
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,SQL_SELECT_INTERSECT
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,SQL_SELECT_EXCEPT
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,SQL_SELECT_COUNT
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}
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SqlSelectType;
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/**
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* SqlOrderWay:
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* @SQL_ORDER_ASC: ascendent order
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* @SQL_ORDER_DESC: descendent order
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**/
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typedef enum
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{
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SQL_ORDER_ASC
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,SQL_ORDER_DESC
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}
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SqlOrderWay;
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/**
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* SqlSelect:
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* @expr: (element-type Sql.Expr):
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* @group: (element-type Sql.Expr):
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* @order: (element-type Sql.Expr):
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**/
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struct _SqlSelect
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{
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SqlDml parent;
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gboolean distinct;
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GSList * expr;
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GSList * alias; // List of Sql.SelectAlias
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GSList * group;
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SqlExpr * having;
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GSList * order;
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guint limit_offset;
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guint limit_count;
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SqlSelectType type;
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SqlSelect * next;
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};
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struct _SqlSelectClass
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{
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/* <private> */
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SqlDmlClass parent;
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};
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GType sql_select_get_type ();
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SqlSelect * sql_select_new ();
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void sql_select_set_distinct (SqlSelect * obj, gboolean distinct);
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void sql_select_add_expr (SqlSelect * obj, SqlExpr * expr);
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void sql_select_set_alias (SqlSelect * obj, SqlExpr * expr, const gchar * alias);
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gchar * sql_select_get_column_name (SqlSelect * obj, SqlExpr * expr);
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void sql_select_add_group (SqlSelect * obj, SqlExpr * expr);
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void sql_select_set_having (SqlSelect * obj, SqlExpr * expr);
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void sql_select_add_order (SqlSelect * obj, SqlExpr * expr, SqlOrderWay way);
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void sql_select_set_limit (SqlSelect * obj, guint count, guint offset);
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void sql_select_set_next (SqlSelect * obj, SqlSelect * next, SqlSelectType type);
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#endif
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