100 lines
3.6 KiB
C#
100 lines
3.6 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Data;
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using System.Data.Common;
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using System.Reflection;
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using System.Data.SqlClient;
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namespace OpenSim.Data.MSSQL
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{
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public class MSSQLMigration : Migration
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{
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public MSSQLMigration(DbConnection conn, Assembly assem, string type)
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: base(conn, assem, type)
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{
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}
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public MSSQLMigration(DbConnection conn, Assembly assem, string subtype, string type)
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: base(conn, assem, subtype, type)
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{
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}
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protected override int FindVersion(DbConnection conn, string type)
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{
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int version = 0;
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using (DbCommand cmd = conn.CreateCommand())
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{
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try
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{
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cmd.CommandText = "select top 1 version from migrations where name = '" + type + "' order by version desc"; //Must be
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using (IDataReader reader = cmd.ExecuteReader())
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{
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if (reader.Read())
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{
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version = Convert.ToInt32(reader["version"]);
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}
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reader.Close();
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}
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}
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catch
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{
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// Return -1 to indicate table does not exist
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return -1;
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}
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}
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return version;
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}
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protected override void ExecuteScript(DbConnection conn, string[] script)
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{
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if (!(conn is SqlConnection))
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{
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base.ExecuteScript(conn, script);
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return;
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}
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foreach (string sql in script)
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{
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try
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{
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using (SqlCommand cmd = new SqlCommand(sql, (SqlConnection)conn))
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{
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception)
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{
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throw new Exception(sql);
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}
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}
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}
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}
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}
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