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366 lines
12 KiB
366 lines
12 KiB
// Copyright (c) 2004-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
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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 version 2 as published by
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// the Free Software Foundation
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//
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// There are special exceptions to the terms and conditions of the GPL
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// as it is applied to this software. View the full text of the
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// exception in file EXCEPTIONS in the directory of this software
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// distribution.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using System;
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using System.Data;
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using System.Threading;
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using MySql.Data.MySqlClient;
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using NUnit.Framework;
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namespace MySql.Data.MySqlClient.Tests
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{
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/// <summary>
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/// Summary description for BlobTests.
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/// </summary>
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[TestFixture]
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public class BlobTests : BaseTest
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{
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[Test]
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public void InsertBinary()
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{
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int lenIn = 400000;
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byte[] dataIn = Utils.CreateBlob(lenIn);
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execSQL("CREATE TABLE Test (id INT NOT NULL, blob1 LONGBLOB, PRIMARY KEY(id))");
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MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES (?id, ?b1)", conn);
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cmd.Parameters.Add(new MySqlParameter("?id", 1));
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cmd.Parameters.Add(new MySqlParameter("?b1", dataIn));
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int rows = cmd.ExecuteNonQuery();
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byte[] dataIn2 = Utils.CreateBlob(lenIn);
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cmd.Parameters[0].Value = 2;
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cmd.Parameters[1].Value = dataIn2;
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rows += cmd.ExecuteNonQuery();
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Assert.AreEqual(2, rows, "Checking insert rowcount");
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cmd.CommandText = "SELECT * FROM Test";
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using (MySqlDataReader reader = cmd.ExecuteReader())
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{
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Assert.AreEqual(true, reader.HasRows, "Checking HasRows");
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reader.Read();
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byte[] dataOut = new byte[lenIn];
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long lenOut = reader.GetBytes(1, 0, dataOut, 0, lenIn);
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Assert.AreEqual(lenIn, lenOut, "Checking length of binary data (row 1)");
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// now see if the buffer is intact
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for (int x = 0; x < dataIn.Length; x++)
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Assert.AreEqual(dataIn[x], dataOut[x], "Checking first binary array at " + x);
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// now we test chunking
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int pos = 0;
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int lenToRead = dataIn.Length;
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while (lenToRead > 0)
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{
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int size = Math.Min(lenToRead, 1024);
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int read = (int)reader.GetBytes(1, pos, dataOut, pos, size);
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lenToRead -= read;
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pos += read;
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}
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// now see if the buffer is intact
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for (int x = 0; x < dataIn.Length; x++)
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Assert.AreEqual(dataIn[x], dataOut[x], "Checking first binary array at " + x);
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reader.Read();
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lenOut = reader.GetBytes(1, 0, dataOut, 0, lenIn);
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Assert.AreEqual(lenIn, lenOut, "Checking length of binary data (row 2)");
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// now see if the buffer is intact
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for (int x = 0; x < dataIn2.Length; x++)
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Assert.AreEqual(dataIn2[x], dataOut[x], "Checking second binary array at " + x);
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}
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}
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[Test]
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public void GetChars()
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{
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InternalGetChars(false);
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}
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[Test]
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public void GetCharsPrepared()
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{
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if (Version < new Version(4, 1)) return;
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InternalGetChars(true);
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}
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private void InternalGetChars(bool prepare)
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{
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execSQL("CREATE TABLE Test (id INT NOT NULL, text1 LONGTEXT, PRIMARY KEY(id))");
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char[] data = new char[20000];
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for (int x = 0; x < data.Length; x++)
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data[x] = (char)(65 + (x % 20));
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MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES (1, ?text1)", conn);
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cmd.Parameters.AddWithValue("?text1", data);
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if (prepare)
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cmd.Prepare();
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cmd.ExecuteNonQuery();
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cmd.CommandText = "SELECT * FROM Test";
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cmd.Parameters.Clear();
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if (prepare)
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cmd.Prepare();
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using (MySqlDataReader reader = cmd.ExecuteReader())
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{
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reader.Read();
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// now we test chunking
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char[] dataOut = new char[data.Length];
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int pos = 0;
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int lenToRead = data.Length;
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while (lenToRead > 0)
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{
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int size = Math.Min(lenToRead, 1024);
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int read = (int)reader.GetChars(1, pos, dataOut, pos, size);
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lenToRead -= read;
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pos += read;
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}
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// now see if the buffer is intact
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for (int x = 0; x < data.Length; x++)
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Assert.AreEqual(data[x], dataOut[x], "Checking first text array at " + x);
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}
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}
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[Test]
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public void InsertText()
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{
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InternalInsertText(false);
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}
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[Test]
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public void InsertTextPrepared()
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{
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if (Version < new Version(4, 1)) return;
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InternalInsertText(true);
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}
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private void InternalInsertText(bool prepare)
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{
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execSQL("CREATE TABLE Test (id INT NOT NULL, blob1 LONGBLOB, text1 LONGTEXT, PRIMARY KEY(id))");
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byte[] data = new byte[1024];
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for (int x = 0; x < 1024; x++)
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data[x] = (byte)(65 + (x % 20));
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// Create sample table
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MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES (1, ?b1, ?t1)", conn);
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cmd.Parameters.Add(new MySqlParameter("?t1", data));
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cmd.Parameters.Add(new MySqlParameter("?b1", "This is my blob data"));
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if (prepare) cmd.Prepare();
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int rows = cmd.ExecuteNonQuery();
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Assert.AreEqual(1, rows, "Checking insert rowcount");
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cmd.CommandText = "INSERT INTO Test VALUES(2, ?b1, ?t1)";
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cmd.Parameters.Clear();
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cmd.Parameters.AddWithValue("?t1", DBNull.Value);
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string str = "This is my text value";
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cmd.Parameters.Add(new MySqlParameter("?b1", MySqlDbType.LongBlob, str.Length,
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ParameterDirection.Input, true, 0, 0, "b1", DataRowVersion.Current, str));
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rows = cmd.ExecuteNonQuery();
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Assert.AreEqual(1, rows, "Checking insert rowcount");
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cmd.CommandText = "SELECT * FROM Test";
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if (prepare) cmd.Prepare();
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using (MySqlDataReader reader = cmd.ExecuteReader())
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{
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Assert.AreEqual(true, reader.HasRows, "Checking HasRows");
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Assert.IsTrue(reader.Read());
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Assert.AreEqual("This is my blob data", reader.GetString(1));
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string s = reader.GetString(2);
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Assert.AreEqual(1024, s.Length, "Checking length returned ");
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Assert.AreEqual("ABCDEFGHI", s.Substring(0, 9), "Checking first few chars of string");
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Assert.IsTrue(reader.Read());
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Assert.AreEqual(DBNull.Value, reader.GetValue(2));
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Assert.AreEqual("This is my text value", reader.GetString(1));
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}
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}
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[Test]
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public void UpdateDataSet()
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{
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execSQL("CREATE TABLE Test (id INT NOT NULL, blob1 LONGBLOB, text1 LONGTEXT, PRIMARY KEY(id))");
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execSQL("INSERT INTO Test VALUES( 1, NULL, 'Text field' )");
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MySqlDataAdapter da = new MySqlDataAdapter("SELECT * FROM Test", conn);
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MySqlCommandBuilder cb = new MySqlCommandBuilder(da);
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DataTable dt = new DataTable();
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da.Fill(dt);
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string s = (string)dt.Rows[0][2];
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Assert.AreEqual("Text field", s);
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byte[] inBuf = Utils.CreateBlob(512);
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dt.Rows[0].BeginEdit();
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dt.Rows[0]["blob1"] = inBuf;
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dt.Rows[0].EndEdit();
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DataTable changes = dt.GetChanges();
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da.Update(changes);
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dt.AcceptChanges();
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dt.Clear();
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da.Fill(dt);
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cb.Dispose();
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byte[] outBuf = (byte[])dt.Rows[0]["blob1"];
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Assert.AreEqual(inBuf.Length, outBuf.Length,
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"checking length of updated buffer");
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for (int y = 0; y < inBuf.Length; y++)
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Assert.AreEqual(inBuf[y], outBuf[y], "checking array data");
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}
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[Test]
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public void GetCharsOnLongTextColumn()
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{
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execSQL("CREATE TABLE Test (id INT NOT NULL, blob1 LONGBLOB, text1 LONGTEXT, PRIMARY KEY(id))");
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execSQL("INSERT INTO Test (id, text1) VALUES(1, 'Test')");
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MySqlCommand cmd = new MySqlCommand("SELECT id, text1 FROM Test", conn);
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char[] buf = new char[2];
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using (MySqlDataReader reader = cmd.ExecuteReader())
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{
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reader.Read();
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reader.GetChars(1, 0, buf, 0, 2);
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Assert.AreEqual('T', buf[0]);
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Assert.AreEqual('e', buf[1]);
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}
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}
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[Test]
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public void MediumIntBlobSize()
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{
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execSQL("CREATE TABLE test (id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, " +
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"image MEDIUMBLOB NOT NULL, imageSize MEDIUMINT(8) UNSIGNED NOT NULL DEFAULT 0, " +
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"PRIMARY KEY (id))");
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byte[] image = new byte[2048];
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for (int x = 0; x < image.Length; x++)
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image[x] = (byte)(x % 47);
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MySqlCommand cmd = new MySqlCommand("INSERT INTO test VALUES(NULL, ?image, ?size)", conn);
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cmd.Parameters.AddWithValue("?image", image);
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cmd.Parameters.AddWithValue("?size", image.Length);
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cmd.ExecuteNonQuery();
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cmd.CommandText = "SELECT imageSize, length(image), image FROM test WHERE id=?id";
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cmd.Parameters.AddWithValue("?id", 1);
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cmd.Prepare();
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using (MySqlDataReader reader = cmd.ExecuteReader())
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{
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reader.Read();
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uint actualsize = reader.GetUInt32(1);
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Assert.AreEqual(image.Length, actualsize);
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uint size = reader.GetUInt32(0);
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byte[] outImage = new byte[size];
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long len = reader.GetBytes(reader.GetOrdinal("image"), 0, outImage, 0, (int)size);
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Assert.AreEqual(image.Length, size);
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Assert.AreEqual(image.Length, len);
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}
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}
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[Test]
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public void BlobBiggerThanMaxPacket()
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{
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suExecSQL("SET GLOBAL max_allowed_packet=500000");
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execSQL("CREATE TABLE test (id INT(10), image BLOB)");
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using (MySqlConnection c = new MySqlConnection(GetConnectionString(true)))
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{
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c.Open();
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byte[] image = Utils.CreateBlob(1000000);
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MySqlCommand cmd = new MySqlCommand("INSERT INTO test VALUES(NULL, ?image)", c);
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cmd.Parameters.AddWithValue("?image", image);
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try
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{
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cmd.ExecuteNonQuery();
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Assert.Fail("This should have thrown an exception");
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}
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catch (MySqlException)
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{
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}
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}
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}
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}
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#region Configs
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#if !CF
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[Category("Compressed")]
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public class BlobTestsSocketCompressed : BlobTests
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{
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protected override string GetConnectionInfo()
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{
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return String.Format("port={0};compress=true", port);
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}
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}
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[Category("Pipe")]
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public class BlobTestsPipe : BlobTests
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{
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protected override string GetConnectionInfo()
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{
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return String.Format("protocol=pipe;pipe name={0}", pipeName);
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}
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}
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[Category("Compressed")]
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[Category("Pipe")]
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public class BlobTestsPipeCompressed : BlobTests
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{
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protected override string GetConnectionInfo()
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{
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return String.Format("protocol=pipe;pipe name={0};compress=true", pipeName);
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}
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}
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[Category("SharedMemory")]
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public class BlobTestsSharedMemory : BlobTests
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{
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protected override string GetConnectionInfo()
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{
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return String.Format("protocol=memory; shared memory name={0}", memoryName);
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}
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}
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[Category("Compressed")]
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[Category("SharedMemory")]
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public class BlobTestsSharedMemoryCompressed : BlobTests
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{
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protected override string GetConnectionInfo()
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{
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return String.Format("protocol=memory; shared memory name={0};compress=true", memoryName);
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}
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}
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#endif
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#endregion
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} |