106 lines
3.7 KiB
VB.net
106 lines
3.7 KiB
VB.net
#Region "Microsoft.VisualBasic::5b06e4396b4bda66d00a83bb75c598bd, Microsoft.VisualBasic.Core\ComponentModel\DataSource\SchemaMaps\SQL.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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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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' Summaries:
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' Class SQLTable
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'
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' Function: Clone, Copy, ToString
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Runtime.CompilerServices
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Namespace ComponentModel.DataSourceModel.SchemaMaps
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''' <summary>
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''' A generic abstract model of a SQL table.
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''' (SQL之中的一个数据表的抽象描述接口)
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''' </summary>
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Public MustInherit Class SQLTable
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Implements ICloneable
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''' <summary>
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''' INSERT INTO table_name (field1, field2,...) VALUES (value1, value2,....)
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''' </summary>
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''' <returns></returns>
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''' <remarks>http://www.w3school.com.cn/sql/sql_insert.asp</remarks>
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Public MustOverride Function GetInsertSQL() As String
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''' <summary>
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''' UPDATE table_name SET field = <new value> WHERE field = <value>
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''' </summary>
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''' <returns></returns>
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''' <remarks>http://www.w3school.com.cn/sql/sql_update.asp</remarks>
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Public MustOverride Function GetUpdateSQL() As String
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''' <summary>
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''' DELETE FROM table_name WHERE field = value;
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''' </summary>
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''' <returns></returns>
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''' <remarks></remarks>
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Public MustOverride Function GetDeleteSQL() As String
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''' <summary>
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''' Display the INSERT INTO sql from function <see cref="GetInsertSQL"/>.
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''' </summary>
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''' <returns></returns>
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'''
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Public Overrides Function ToString() As String
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Return GetInsertSQL()
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End Function
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''' <summary>
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''' Clones the property values.
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''' (由于这个<see cref="SQLTable"/>对象的所有属性都是简单的基本类型，所以能够很容易
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''' 的复制这些属性，从而很容易的复制数据表之中的一个行对象)
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''' </summary>
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''' <returns></returns>
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'''
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Private Function Clone() As Object Implements ICloneable.Clone
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Return MyClass.MemberwiseClone
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End Function
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''' <summary>
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''' MemberwiseClone
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''' </summary>
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''' <returns></returns>
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'''
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Public Function Copy() As SQLTable
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Return DirectCast(MyClass.MemberwiseClone, SQLTable)
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End Function
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End Class
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End Namespace
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