44 lines
1.6 KiB
C#
44 lines
1.6 KiB
C#
//-----------------------------------------------------------------------
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// <copyright file="TableidColumnInfoEnumerator.cs" company="Microsoft Corporation">
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// Copyright (c) Microsoft Corporation.
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// </copyright>
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//-----------------------------------------------------------------------
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namespace Microsoft.Isam.Esent.Interop
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{
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/// <summary>
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/// Enumerate columns in a table specified by a tableid.
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/// </summary>
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internal sealed class TableidColumnInfoEnumerator : ColumnInfoEnumerator
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{
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/// <summary>
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/// The table to get the column information from.
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/// </summary>
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private readonly JET_TABLEID tableid;
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/// <summary>
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/// Initializes a new instance of the <see cref="TableidColumnInfoEnumerator"/> class.
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/// </summary>
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/// <param name="sesid">
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/// The session to use.
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/// </param>
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/// <param name="tableid">
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/// The table to get column information from.
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/// </param>
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public TableidColumnInfoEnumerator(JET_SESID sesid, JET_TABLEID tableid) : base(sesid)
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{
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this.tableid = tableid;
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}
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/// <summary>
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/// Open the table to be enumerated. This should set <see cref="TableEnumerator{T}.TableidToEnumerate"/>.
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/// </summary>
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protected override void OpenTable()
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{
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JET_COLUMNLIST columnlist;
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Api.JetGetTableColumnInfo(this.Sesid, this.tableid, string.Empty, out columnlist);
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this.Columnlist = columnlist;
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this.TableidToEnumerate = this.Columnlist.tableid;
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}
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}
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} |