2019-05-15 14:56:09 +00:00
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/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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#region usings
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using System.Diagnostics;
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2019-08-15 12:04:42 +00:00
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using System.Text;
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2019-05-15 14:56:09 +00:00
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using ASC.Common.Data.Sql.Expressions;
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#endregion
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namespace ASC.Common.Data.Sql
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{
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[DebuggerTypeProxy(typeof(SqlDebugView))]
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public class SqlDelete : ISqlInstruction
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{
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private readonly string table;
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private Exp where = Exp.Empty;
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public SqlDelete(string table)
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{
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this.table = table;
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}
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#region ISqlInstruction Members
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public string ToString(ISqlDialect dialect)
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{
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var sql = new StringBuilder();
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sql.AppendFormat("delete from {0}", table);
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if (where != Exp.Empty) sql.AppendFormat(" where {0}", where.ToString(dialect));
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return sql.ToString();
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}
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public object[] GetParameters()
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{
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return where != Exp.Empty ? where.GetParameters() : new object[0];
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}
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#endregion
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public SqlDelete Where(Exp where)
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{
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2019-08-15 14:48:55 +00:00
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this.where &= where;
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2019-05-15 14:56:09 +00:00
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return this;
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}
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public SqlDelete Where(string column, object value)
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{
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return Where(Exp.Eq(column, value));
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}
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public override string ToString()
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{
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return ToString(SqlDialect.Default);
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}
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}
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}
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