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128 lines
4.5 KiB
128 lines
4.5 KiB
#if MYSQL_6_9
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// Copyright © 2004, 2018 Oracle and/or its affiliates. All rights reserved.
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//
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// MySQL Connector/NET is licensed under the terms of the GPLv2
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// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
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// MySQL Connectors. There are special exceptions to the terms and
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// conditions of the GPLv2 as it is applied to this software, see the
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// FLOSS License Exception
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// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
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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
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// by the Free Software Foundation; version 2 of the License.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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using Externals.MySql.Data.MySqlClient.Properties;
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using System;
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using System.ComponentModel;
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using System.Data;
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using System.Data.Common;
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using System.Drawing;
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using System.Security;
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using System.Security.Permissions;
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namespace Externals.MySql.Data.MySqlClient
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{
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[ToolboxBitmap(typeof(MySqlConnection), "MySqlClient.resources.connection.bmp")]
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[DesignerCategory("Code")]
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[ToolboxItem(true)]
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internal sealed partial class MySqlConnection : DbConnection, ICloneable
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{
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private bool disposed = false;
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/// <summary>
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/// Returns schema information for the data source of this <see cref="DbConnection"/>.
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/// </summary>
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/// <returns>A <see cref="DataTable"/> that contains schema information. </returns>
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public override DataTable GetSchema()
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{
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return GetSchema(null);
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}
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/// <summary>
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/// Returns schema information for the data source of this
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/// <see cref="DbConnection"/> using the specified string for the schema name.
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/// </summary>
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/// <param name="collectionName">Specifies the name of the schema to return. </param>
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/// <returns>A <see cref="DataTable"/> that contains schema information. </returns>
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public override DataTable GetSchema(string collectionName)
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{
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if (collectionName == null)
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collectionName = SchemaProvider.MetaCollection;
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return GetSchema(collectionName, null);
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}
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/// <summary>
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/// Returns schema information for the data source of this <see cref="DbConnection"/>
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/// using the specified string for the schema name and the specified string array
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/// for the restriction values.
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/// </summary>
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/// <param name="collectionName">Specifies the name of the schema to return.</param>
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/// <param name="restrictionValues">Specifies a set of restriction values for the requested schema.</param>
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/// <returns>A <see cref="DataTable"/> that contains schema information.</returns>
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public override DataTable GetSchema(string collectionName, string[] restrictionValues)
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{
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if (collectionName == null)
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collectionName = SchemaProvider.MetaCollection;
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string[] restrictions = schemaProvider.CleanRestrictions(restrictionValues);
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MySqlSchemaCollection c = schemaProvider.GetSchema(collectionName, restrictions);
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return c.AsDataTable();
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}
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protected override DbTransaction BeginDbTransaction(IsolationLevel isolationLevel)
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{
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if (isolationLevel == IsolationLevel.Unspecified)
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return BeginTransaction();
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return BeginTransaction(isolationLevel);
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}
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protected override DbCommand CreateDbCommand()
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{
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return CreateCommand();
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}
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partial void AssertPermissions()
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{
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// Security Asserts can only be done when the assemblies
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// are put in the GAC as documented in
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// http://msdn.microsoft.com/en-us/library/ff648665.aspx
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if (this.Settings.IncludeSecurityAsserts)
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{
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PermissionSet set = new PermissionSet(PermissionState.None);
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set.AddPermission(new MySqlClientPermission(ConnectionString));
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set.Demand();
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MySqlSecurityPermission.CreatePermissionSet(true).Assert();
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}
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}
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#region IDisposeable
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protected override void Dispose(bool disposing)
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{
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if (disposed)
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return;
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if (State == ConnectionState.Open)
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Close();
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disposed = true;
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base.Dispose(disposing);
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}
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#endregion
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}
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}
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#endif
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