You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
203 lines
11 KiB
203 lines
11 KiB
15 years ago
|
// Copyright (C) 2004-2007 MySQL AB
|
||
|
|
//
|
||
|
|
// This program is free software; you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU General Public License version 2 as published by
|
||
|
|
// the Free Software Foundation
|
||
|
|
//
|
||
|
|
// There are special exceptions to the terms and conditions of the GPL
|
||
|
|
// as it is applied to this software. View the full text of the
|
||
|
|
// exception in file EXCEPTIONS in the directory of this software
|
||
|
|
// distribution.
|
||
|
|
//
|
||
|
|
// This program is distributed in the hope that it will be useful,
|
||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
// GNU General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU General Public License
|
||
|
|
// along with this program; if not, write to the Free Software
|
||
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
|
||
|
|
using System;
|
||
|
|
using System.Diagnostics;
|
||
|
|
using NUnit.Framework;
|
||
|
|
|
||
|
|
namespace MySql.Data.MySqlClient.Tests
|
||
|
|
{
|
||
|
|
[TestFixture]
|
||
|
|
public class UsageAdvisorTests : BaseTest
|
||
|
|
{
|
||
|
|
public UsageAdvisorTests()
|
||
|
|
{
|
||
|
|
csAdditions = ";Usage Advisor=true;";
|
||
|
|
}
|
||
|
|
|
||
|
|
public override void Setup()
|
||
|
|
{
|
||
|
|
base.Setup();
|
||
|
|
createTable("CREATE TABLE Test (id int, name VARCHAR(200))", "INNODB");
|
||
|
|
}
|
||
|
|
|
||
|
|
[Test]
|
||
|
|
public void NotReadingEveryField()
|
||
|
|
{
|
||
|
|
execSQL("INSERT INTO Test VALUES (1, 'Test1')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (2, 'Test2')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (3, 'Test3')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (4, 'Test4')");
|
||
|
|
|
||
|
|
MySqlTrace.Listeners.Clear();
|
||
|
|
MySqlTrace.Switch.Level = SourceLevels.All;
|
||
|
|
GenericListener listener = new GenericListener();
|
||
|
|
MySqlTrace.Listeners.Add(listener);
|
||
|
|
|
||
|
|
string sql = "SELECT * FROM Test; SELECT * FROM Test WHERE id > 2";
|
||
|
|
MySqlCommand cmd = new MySqlCommand(sql, conn);
|
||
|
|
using (MySqlDataReader reader = cmd.ExecuteReader())
|
||
|
|
{
|
||
|
|
reader.Read();
|
||
|
|
reader.GetInt32(0); // access the first field
|
||
|
|
reader.Read();
|
||
|
|
Assert.IsTrue(reader.NextResult());
|
||
|
|
reader.Read();
|
||
|
|
Assert.AreEqual("Test3", reader.GetString(1));
|
||
|
|
Assert.IsFalse(reader.NextResult());
|
||
|
|
}
|
||
|
|
|
||
|
|
Assert.AreEqual(12, listener.Strings.Count);
|
||
|
|
Assert.IsTrue(listener.Strings[0].Contains("Query Opened: SELECT * FROM Test; SELECT * FROM Test WHERE id > 2"));
|
||
|
|
Assert.IsTrue(listener.Strings[1].Contains("Resultset Opened: field(s) = 2, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[2].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[3].Contains("Usage Advisor Warning: Skipped 2 rows. Consider a more focused query."));
|
||
|
|
Assert.IsTrue(listener.Strings[4].Contains("Usage Advisor Warning: The following columns were not accessed: name"));
|
||
|
|
Assert.IsTrue(listener.Strings[5].Contains("Resultset Closed. Total rows=4, skipped rows=2, size (bytes)=32"));
|
||
|
|
Assert.IsTrue(listener.Strings[6].Contains("Resultset Opened: field(s) = 2, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[7].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[8].Contains("Usage Advisor Warning: Skipped 1 rows. Consider a more focused query."));
|
||
|
|
Assert.IsTrue(listener.Strings[9].Contains("Usage Advisor Warning: The following columns were not accessed: id"));
|
||
|
|
Assert.IsTrue(listener.Strings[10].Contains("Resultset Closed. Total rows=2, skipped rows=1, size (bytes)=16"));
|
||
|
|
Assert.IsTrue(listener.Strings[11].Contains("Query Closed"));
|
||
|
|
}
|
||
|
|
|
||
|
|
[Test]
|
||
|
|
public void NotReadingEveryRow()
|
||
|
|
{
|
||
|
|
execSQL("INSERT INTO Test VALUES (1, 'Test1')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (2, 'Test2')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (3, 'Test3')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (4, 'Test4')");
|
||
|
|
|
||
|
|
MySqlTrace.Listeners.Clear();
|
||
|
|
MySqlTrace.Switch.Level = SourceLevels.All;
|
||
|
|
GenericListener listener = new GenericListener();
|
||
|
|
MySqlTrace.Listeners.Add(listener);
|
||
|
|
|
||
|
|
MySqlCommand cmd = new MySqlCommand("SELECT * FROM Test; SELECT * FROM Test WHERE id > 2", conn);
|
||
|
|
using (MySqlDataReader reader = cmd.ExecuteReader())
|
||
|
|
{
|
||
|
|
reader.Read();
|
||
|
|
reader.Read();
|
||
|
|
Assert.IsTrue(reader.NextResult());
|
||
|
|
reader.Read();
|
||
|
|
reader.Read();
|
||
|
|
Assert.IsFalse(reader.NextResult());
|
||
|
|
}
|
||
|
|
Assert.AreEqual(11, listener.Strings.Count);
|
||
|
|
Assert.IsTrue(listener.Strings[0].Contains("Query Opened: SELECT * FROM Test; SELECT * FROM Test WHERE id > 2"));
|
||
|
|
Assert.IsTrue(listener.Strings[1].Contains("Resultset Opened: field(s) = 2, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[2].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[3].Contains("Usage Advisor Warning: Skipped 2 rows. Consider a more focused query."));
|
||
|
|
Assert.IsTrue(listener.Strings[4].Contains("Usage Advisor Warning: The following columns were not accessed: id,name"));
|
||
|
|
Assert.IsTrue(listener.Strings[5].Contains("Resultset Closed. Total rows=4, skipped rows=2, size (bytes)=32"));
|
||
|
|
Assert.IsTrue(listener.Strings[6].Contains("Resultset Opened: field(s) = 2, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[7].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[8].Contains("Usage Advisor Warning: The following columns were not accessed: id,name"));
|
||
|
|
Assert.IsTrue(listener.Strings[9].Contains("Resultset Closed. Total rows=2, skipped rows=0, size (bytes)=16"));
|
||
|
|
Assert.IsTrue(listener.Strings[10].Contains("Query Closed"));
|
||
|
|
}
|
||
|
|
|
||
|
|
[Test]
|
||
|
|
public void FieldConversion()
|
||
|
|
{
|
||
|
|
execSQL("INSERT INTO Test VALUES (1, 'Test1')");
|
||
|
|
|
||
|
|
MySqlTrace.Listeners.Clear();
|
||
|
|
MySqlTrace.Switch.Level = SourceLevels.All;
|
||
|
|
GenericListener listener = new GenericListener();
|
||
|
|
MySqlTrace.Listeners.Add(listener);
|
||
|
|
|
||
|
|
MySqlCommand cmd = new MySqlCommand("SELECT * FROM Test", conn);
|
||
|
|
using (MySqlDataReader reader = cmd.ExecuteReader())
|
||
|
|
{
|
||
|
|
reader.Read();
|
||
|
|
short s = reader.GetInt16(0);
|
||
|
|
long l = reader.GetInt64(0);
|
||
|
|
string str = reader.GetString(1);
|
||
|
|
}
|
||
|
|
Assert.AreEqual(6, listener.Strings.Count);
|
||
|
|
Assert.IsTrue(listener.Strings[0].Contains("Query Opened: SELECT * FROM Test"));
|
||
|
|
Assert.IsTrue(listener.Strings[1].Contains("Resultset Opened: field(s) = 2, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[2].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[3].Contains("Usage Advisor Warning: The field 'id' was converted to the following types: Int16,Int64"));
|
||
|
|
Assert.IsTrue(listener.Strings[4].Contains("Resultset Closed. Total rows=1, skipped rows=0, size (bytes)=8"));
|
||
|
|
Assert.IsTrue(listener.Strings[5].Contains("Query Closed"));
|
||
|
|
}
|
||
|
|
|
||
|
|
[Test]
|
||
|
|
public void NoIndexUsed()
|
||
|
|
{
|
||
|
|
execSQL("INSERT INTO Test VALUES (1, 'Test1')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (2, 'Test1')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (3, 'Test1')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (4, 'Test1')");
|
||
|
|
|
||
|
|
MySqlTrace.Listeners.Clear();
|
||
|
|
MySqlTrace.Switch.Level = SourceLevels.All;
|
||
|
|
GenericListener listener = new GenericListener();
|
||
|
|
MySqlTrace.Listeners.Add(listener);
|
||
|
|
|
||
|
|
MySqlCommand cmd = new MySqlCommand("SELECT name FROM Test WHERE id=3", conn);
|
||
|
|
using (MySqlDataReader reader = cmd.ExecuteReader())
|
||
|
|
{
|
||
|
|
reader.Read();
|
||
|
|
}
|
||
|
|
Assert.AreEqual(6, listener.Strings.Count);
|
||
|
|
Assert.IsTrue(listener.Strings[0].Contains("Query Opened: SELECT name FROM Test WHERE id=3"));
|
||
|
|
Assert.IsTrue(listener.Strings[1].Contains("Resultset Opened: field(s) = 1, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[2].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[3].Contains("Usage Advisor Warning: The following columns were not accessed: name"));
|
||
|
|
Assert.IsTrue(listener.Strings[4].Contains("Resultset Closed. Total rows=1, skipped rows=0, size (bytes)=6"));
|
||
|
|
Assert.IsTrue(listener.Strings[5].Contains("Query Closed"));
|
||
|
|
}
|
||
|
|
|
||
|
|
[Test]
|
||
|
|
public void BadIndexUsed()
|
||
|
|
{
|
||
|
|
execSQL("DROP TABLE IF EXISTS Test");
|
||
|
|
execSQL("CREATE TABLE Test(id INT, name VARCHAR(20) PRIMARY KEY)");
|
||
|
|
execSQL("INSERT INTO Test VALUES (1, 'Test1')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (2, 'Test2')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (3, 'Test3')");
|
||
|
|
execSQL("INSERT INTO Test VALUES (4, 'Test4')");
|
||
|
|
|
||
|
|
MySqlTrace.Listeners.Clear();
|
||
|
|
MySqlTrace.Switch.Level = SourceLevels.All;
|
||
|
|
GenericListener listener = new GenericListener();
|
||
|
|
MySqlTrace.Listeners.Add(listener);
|
||
|
|
|
||
|
|
MySqlCommand cmd = new MySqlCommand("SELECT name FROM Test WHERE id=3", conn);
|
||
|
|
using (MySqlDataReader reader = cmd.ExecuteReader())
|
||
|
|
{
|
||
|
|
reader.Read();
|
||
|
|
}
|
||
|
|
Assert.AreEqual(6, listener.Strings.Count);
|
||
|
|
Assert.IsTrue(listener.Strings[0].Contains("Query Opened: SELECT name FROM Test WHERE id=3"));
|
||
|
|
Assert.IsTrue(listener.Strings[1].Contains("Resultset Opened: field(s) = 1, affected rows = -1, inserted id = -1"));
|
||
|
|
Assert.IsTrue(listener.Strings[2].Contains("Usage Advisor Warning: Query does not use an index"));
|
||
|
|
Assert.IsTrue(listener.Strings[3].Contains("Usage Advisor Warning: The following columns were not accessed: name"));
|
||
|
|
Assert.IsTrue(listener.Strings[4].Contains("Resultset Closed. Total rows=1, skipped rows=0, size (bytes)=6"));
|
||
|
|
Assert.IsTrue(listener.Strings[5].Contains("Query Closed"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|