Add support for DropDatabase

src/Tests/ApprovalFiles/NoPublicApiChanges.Run.approved.cs

@@ -10,9 +10,12 @@ public static DbUp.Builder.UpgradeEngineBuilder MySqlDatabase(this DbUp.Builder.
     public static DbUp.Builder.UpgradeEngineBuilder MySqlDatabase(DbUp.Engine.Transactions.IConnectionManager connectionManager, string schema) { }
     public static DbUp.Builder.UpgradeEngineBuilder MySqlDatabase(this DbUp.Builder.SupportedDatabases supported, string connectionString, string schema) { }
     public static void MySqlDatabase(this DbUp.SupportedDatabasesForEnsureDatabase supported, string connectionString) { }
+    public static void MySqlDatabase(this DbUp.SupportedDatabasesForDropDatabase supported, string connectionString) { }
     public static void MySqlDatabase(this DbUp.SupportedDatabasesForEnsureDatabase supported, string connectionString, int commandTimeout) { }
     public static void MySqlDatabase(this DbUp.SupportedDatabasesForEnsureDatabase supported, string connectionString, string collation) { }
+    public static void MySqlDatabase(this DbUp.SupportedDatabasesForDropDatabase supported, string connectionString, int commandTimeout) { }
     public static void MySqlDatabase(this DbUp.SupportedDatabasesForEnsureDatabase supported, string connectionString, int commandTimeout, string collation) { }
+    public static void MySqlDatabase(this DbUp.SupportedDatabasesForDropDatabase supported, string connectionString, DbUp.Engine.Output.IUpgradeLog logger, int timeout = -1) { }
     public static void MySqlDatabase(this DbUp.SupportedDatabasesForEnsureDatabase supported, string connectionString, DbUp.Engine.Output.IUpgradeLog logger, int timeout = -1, string collation = null) { }
 }
 namespace DbUp.MySql

src/dbup-mysql.sln.DotSettings

@@ -5,5 +5,8 @@
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=SQ/@EntryIndexedValue">SQ</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateInstanceFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateStaticFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=4a98fdf6_002D7d98_002D4f5a_002Dafeb_002Dea44ad98c70c/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Instance" AccessRightKinds="Private" Description="Instance fields (private)"&gt;&lt;ElementKinds&gt;&lt;Kind Name="FIELD" /&gt;&lt;Kind Name="READONLY_FIELD" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=f9fce829_002De6f4_002D4cb2_002D80f1_002D5497c44f51df/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Static" AccessRightKinds="Private" Description="Static fields (private)"&gt;&lt;ElementKinds&gt;&lt;Kind Name="FIELD" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EPredefinedNamingRulesToUserRulesUpgrade/@EntryIndexedValue">True</s:Boolean>
 	<s:String x:Key="/Default/FilterSettingsManager/CoverageFilterXml/@EntryValue">&lt;data&gt;&lt;IncludeFilters /&gt;&lt;ExcludeFilters /&gt;&lt;/data&gt;</s:String>
 	<s:String x:Key="/Default/FilterSettingsManager/AttributeFilterXml/@EntryValue">&lt;data /&gt;</s:String></wpf:ResourceDictionary>

src/dbup-mysql/MySqlExtensions.cs

@@ -199,6 +199,69 @@ public static void MySqlDatabase(
         }
     }
 
+    /// <summary>
+    /// Drop the database specified in the connection string.
+    /// </summary>
+    /// <param name="supported">Fluent helper type.</param>
+    /// <param name="connectionString">The connection string.</param>
+    public static void MySqlDatabase(
+        this SupportedDatabasesForDropDatabase supported,
+        string connectionString)
+    {
+        MySqlDatabase(supported, connectionString, new ConsoleUpgradeLog());
+    }
+
+    /// <summary>
+    /// Drop the database specified in the connection string.
+    /// </summary>
+    /// <param name="supported">Fluent helper type.</param>
+    /// <param name="connectionString">The connection string.</param>
+    /// <param name="commandTimeout">Use this to set the command time out for dropping a database in case you're encountering a time out in this operation.</param>
+    public static void MySqlDatabase(
+        this SupportedDatabasesForDropDatabase supported,
+        string connectionString,
+        int commandTimeout)
+    {
+        MySqlDatabase(supported, connectionString, new ConsoleUpgradeLog(), commandTimeout);
+    }
+
+    /// <summary>
+    /// Drop the database specified in the connection string.
+    /// </summary>
+    /// <param name="supported">Fluent helper type.</param>
+    /// <param name="connectionString">The connection string.</param>
+    /// <param name="logger">The <see cref="DbUp.Engine.Output.IUpgradeLog"/> used to record actions.</param>
+    /// <param name="timeout">Use this to set the command time out for dropping a database in case you're encountering a time out in this operation.</param>
+    public static void MySqlDatabase(
+        this SupportedDatabasesForDropDatabase supported,
+        string connectionString,
+        IUpgradeLog logger,
+        int timeout = -1)
+    {
+        GetMysqlConnectionStringBuilder(connectionString, logger, out var masterConnectionString, out var databaseName);
+        using (var connection = new MySqlConnection(masterConnectionString))
+        {
+            connection.Open();
+            if (!DatabaseExists(connection, databaseName))
+                return;
+            var dropDatabaseCommand = new MySqlCommand($"DROP DATABASE @databaseName;", connection)
+            {
+                CommandType = CommandType.Text
+            };
+            dropDatabaseCommand.Parameters.AddWithValue("@databaseName", databaseName);
+            using (var command = dropDatabaseCommand)
+            {
+                if (timeout >= 0)
+                {
+                    command.CommandTimeout = timeout;
+                }
+
+                command.ExecuteNonQuery();
+            }
+            logger.LogInformation("Dropped database {0}", databaseName);
+        }
+    }
+
     static bool DatabaseExists(MySqlConnection connection, string databaseName)
     {
         var sqlCommandText = string.Format