48 lines
1.7 KiB
C#
48 lines
1.7 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="DbModificationClause.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner [....]
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// @backupOwner [....]
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//---------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Data.Metadata.Edm;
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using System.Data.Common.CommandTrees.Internal;
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using System.Data.Common.Utils;
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using System.Diagnostics;
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namespace System.Data.Common.CommandTrees
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{
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/// <summary>
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/// Specifies a single clause in an insert or update modification operation, see
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/// <see cref="DbInsertCommandTree.SetClauses"/> and <see cref="DbUpdateCommandTree.SetClauses"/>
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/// </summary>
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/// <remarks>
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/// An abstract base class allows the possibility of patterns other than
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/// Property = Value in future versions, e.g.,
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/// <code>
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/// update Foo
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/// set ComplexTypeColumn.Bar()
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/// where Id = 2
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/// </code>
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/// </remarks>
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "Db")]
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public abstract class DbModificationClause
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{
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internal DbModificationClause()
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{
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}
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// Effects: describes the contents of this clause using the given dumper
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internal abstract void DumpStructure(ExpressionDumper dumper);
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// Effects: produces a tree node describing this clause, recursively producing nodes
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// for child expressions using the given expression visitor
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internal abstract TreeNode Print(DbExpressionVisitor<TreeNode> visitor);
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}
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}
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