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74 lines
2.4 KiB
C#
74 lines
2.4 KiB
C#
// Copyright © 2008, 2013, Oracle and/or its affiliates. All rights reserved.
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//
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// MySQL Connector/NET is licensed under the terms of the GPLv2
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// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
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// MySQL Connectors. There are special exceptions to the terms and
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// conditions of the GPLv2 as it is applied to this software, see the
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// FLOSS License Exception
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// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
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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
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// by the Free Software Foundation; version 2 of the License.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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using System.Text;
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using System.Collections.Generic;
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namespace MySql.Data.Entity
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{
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class UpdateStatement : SqlFragment
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{
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public UpdateStatement()
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{
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Properties = new List<SqlFragment>();
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Values = new List<SqlFragment>();
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}
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public SqlFragment Target { get; set; }
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public List<SqlFragment> Properties { get; private set; }
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public List<SqlFragment> Values { get; private set; }
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public SqlFragment Where { get; set; }
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public SelectStatement ReturningSelect;
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public override void WriteSql(StringBuilder sql)
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{
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sql.Append("UPDATE ");
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Target.WriteSql(sql);
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sql.Append(" SET ");
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string seperator = "";
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for (int i = 0; i < Properties.Count; i++)
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{
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sql.Append(seperator);
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Properties[i].WriteSql(sql);
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sql.Append("=");
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Values[i].WriteSql(sql);
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seperator = ", ";
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}
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if (Where != null)
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{
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sql.Append(" WHERE ");
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Where.WriteSql(sql);
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}
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if (ReturningSelect != null)
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{
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sql.Append(";\r\n");
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ReturningSelect.WriteSql(sql);
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}
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}
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internal override void Accept(SqlFragmentVisitor visitor)
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{
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throw new System.NotImplementedException();
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}
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}
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}
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