138 lines
4.7 KiB
C#
138 lines
4.7 KiB
C#
/*
|
|
*
|
|
* (c) Copyright Ascensio System Limited 2010-2018
|
|
*
|
|
* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
|
|
* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
|
|
* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
|
|
* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
|
|
*
|
|
* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
|
|
* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
* You can contact Ascensio System SIA by email at sales@onlyoffice.com
|
|
*
|
|
* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
|
|
* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
|
|
*
|
|
* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
|
|
* relevant author attributions when distributing the software. If the display of the logo in its graphic
|
|
* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
|
|
* in every copy of the program you distribute.
|
|
* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
|
|
*
|
|
*/
|
|
|
|
|
|
using System;
|
|
using System.Data;
|
|
|
|
namespace ASC.Common.Data.Sql.Dialects
|
|
{
|
|
class MySQLDialect : ISqlDialect
|
|
{
|
|
public string IdentityQuery
|
|
{
|
|
get { return "last_insert_id()"; }
|
|
}
|
|
|
|
public string Autoincrement
|
|
{
|
|
get { return "auto_increment"; }
|
|
}
|
|
|
|
public virtual string InsertIgnore
|
|
{
|
|
get { return "insert ignore"; }
|
|
}
|
|
|
|
public bool SupportMultiTableUpdate
|
|
{
|
|
get { return true; }
|
|
}
|
|
|
|
public bool SeparateCreateIndex
|
|
{
|
|
get { return false; }
|
|
}
|
|
|
|
public string DbTypeToString(DbType type, int size, int precision)
|
|
{
|
|
switch (type)
|
|
{
|
|
case DbType.Guid:
|
|
return "char(38)";
|
|
|
|
case DbType.AnsiString:
|
|
case DbType.String:
|
|
if (size <= 8192) return string.Format("VARCHAR({0})", size);
|
|
else if (size <= ushort.MaxValue) return "TEXT";
|
|
else if (size <= ((int)Math.Pow(2, 24) - 1)) return "MEDIUMTEXT";
|
|
else return "LONGTEXT";
|
|
|
|
case DbType.AnsiStringFixedLength:
|
|
case DbType.StringFixedLength:
|
|
return string.Format("CHAR({0})", size);
|
|
|
|
case DbType.Xml:
|
|
return "MEDIUMTEXT";
|
|
|
|
case DbType.Binary:
|
|
case DbType.Object:
|
|
if (size <= 8192) return string.Format("BINARY({0})", size);
|
|
else if (size <= ushort.MaxValue) return "BLOB";
|
|
else if (size <= ((int)Math.Pow(2, 24) - 1)) return "MEDIUMBLOB";
|
|
else return "LONGBLOB";
|
|
|
|
case DbType.Boolean:
|
|
case DbType.Byte:
|
|
return "TINYINY";
|
|
case DbType.SByte:
|
|
return "TINYINY UNSIGNED";
|
|
|
|
case DbType.Int16:
|
|
return "SMALLINT";
|
|
case DbType.UInt16:
|
|
return "SMALLINT UNSIGNED";
|
|
|
|
case DbType.Int32:
|
|
return "INT";
|
|
case DbType.UInt32:
|
|
return "INT UNSIGNED";
|
|
|
|
case DbType.Int64:
|
|
return "BIGINT";
|
|
case DbType.UInt64:
|
|
return "BIGINT UNSIGNED";
|
|
|
|
case DbType.Date:
|
|
return "DATE";
|
|
case DbType.DateTime:
|
|
case DbType.DateTime2:
|
|
return "DATETIME";
|
|
case DbType.Time:
|
|
return "TIME";
|
|
|
|
case DbType.Decimal:
|
|
return string.Format("DECIMAL({0},{1})", size, precision);
|
|
case DbType.Double:
|
|
return "DOUBLE";
|
|
case DbType.Single:
|
|
return "FLOAT";
|
|
|
|
default:
|
|
throw new ArgumentOutOfRangeException(type.ToString());
|
|
}
|
|
}
|
|
|
|
public IsolationLevel GetSupportedIsolationLevel(IsolationLevel il)
|
|
{
|
|
return il;
|
|
}
|
|
|
|
public string UseIndex(string index)
|
|
{
|
|
return string.Format("use index ({0})", index);
|
|
}
|
|
}
|
|
} |