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hedera/sql/sql-join.h

61 lines
1.7 KiB
C

/*
* Copyright (C) 2012 - Juan Ferrer Toribio
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SQL_JOIN_H
#define SQL_JOIN_H
#include "sql-target.h"
#include "sql-expr.h"
#define SQL_TYPE_JOIN (sql_join_get_type ())
#define SQL_IS_JOIN(object) (G_TYPE_CHECK_INSTANCE_TYPE (object, SQL_TYPE_JOIN))
#define SQL_JOIN(object) (G_TYPE_CHECK_INSTANCE_CAST (object, SQL_TYPE_JOIN, SqlJoin))
typedef struct _SqlJoin SqlJoin;
typedef struct _SqlJoinClass SqlJoinClass;
typedef enum
{
SQL_JOIN_TYPE_INNER
,SQL_JOIN_TYPE_LEFT
,SQL_JOIN_TYPE_RIGHT
,SQL_JOIN_TYPE_COUNT
}
SqlJoinType;
struct _SqlJoin
{
SqlTarget parent;
SqlTarget * target_left;
SqlTarget * target_right;
SqlJoinType type;
SqlExpr * condition;
};
struct _SqlJoinClass
{
/* <private> */
SqlTargetClass parent;
};
GType sql_join_get_type ();
SqlTarget * sql_join_new (SqlTarget * left, SqlTarget * right, SqlJoinType type);
void sql_join_set_condition (SqlJoin * obj, SqlExpr * condition);
void sql_join_set_target_right (SqlJoin * obj, SqlTarget * target);
void sql_join_set_target_left (SqlJoin * obj, SqlTarget * target);
#endif