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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / SqlClient / SqlVersion.cs / 1305376 / SqlVersion.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Text; using System.Globalization; using System.Data; using System.Data.Common; using System.Data.SqlClient; namespace System.Data.SqlClient { ////// This enum describes the current server version /// internal enum SqlVersion { ////// Sql Server 8 /// Sql8 = 80, ////// Sql Server 9 /// Sql9 = 90, ////// Sql Server 10 /// Sql10 = 100, // higher versions go here } ////// This class is a simple utility class that determines the sql version from the /// connection /// internal static class SqlVersionUtils { ////// Get the SqlVersion from the connection. Returns one of Sql8, Sql9, Sql10 /// /// current sql connection ///Sql Version for the current connection internal static SqlVersion GetSqlVersion(SqlConnection connection) { if (connection.IsYukonOrNewer) { if (connection.IsKatmaiOrNewer) { return SqlVersion.Sql10; } else { return SqlVersion.Sql9; } } else { System.Diagnostics.Debug.Assert(connection.ServerVersion.StartsWith("08.", StringComparison.Ordinal), "not version 8"); return SqlVersion.Sql8; } } internal static string GetVersionHint(SqlVersion version) { switch(version) { case SqlVersion.Sql8: return SqlProviderManifest.TokenSql8; case SqlVersion.Sql9: return SqlProviderManifest.TokenSql9; case SqlVersion.Sql10: return SqlProviderManifest.TokenSql10; default: throw EntityUtil.Argument(Entity.Strings.UnableToDetermineStoreVersion); } } internal static SqlVersion GetSqlVersion(string versionHint) { if (!string.IsNullOrEmpty(versionHint)) { switch (versionHint) { case SqlProviderManifest.TokenSql8: return SqlVersion.Sql8; case SqlProviderManifest.TokenSql9: return SqlVersion.Sql9; case SqlProviderManifest.TokenSql10: return SqlVersion.Sql10; } } throw EntityUtil.Argument(Entity.Strings.UnableToDetermineStoreVersion); } internal static bool IsPreKatmai(SqlVersion sqlVersion) { return sqlVersion == SqlVersion.Sql8 || sqlVersion == SqlVersion.Sql9; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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