public override void Close() { base.Close(); if (this.outSelect.Length != 0) { MySqlCommand command = new MySqlCommand("SELECT " + this.outSelect, base.Connection); string parameterHash = base.command.parameterHash; command.parameterHash = parameterHash; using (MySqlDataReader reader = command.ExecuteReader()) { for (int i = 0; i < reader.FieldCount; i++) { string parameterName = reader.GetName(i).Remove(0, parameterHash.Length + 1); MySqlParameter parameterFlexible = base.Parameters.GetParameterFlexible(parameterName, true); reader.values[i] = MySqlField.GetIMySqlValue(parameterFlexible.MySqlDbType); } if (reader.Read()) { for (int j = 0; j < reader.FieldCount; j++) { string str3 = reader.GetName(j).Remove(0, parameterHash.Length + 1); base.Parameters.GetParameterFlexible(str3, true).Value = reader.GetValue(j); } } } } }
internal static void InitCollections(MySqlConnection connection) { MySqlCommand command = new MySqlCommand("SHOW CHARSET", connection); using (MySqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { defaultCollations.Add(reader.GetString(0), reader.GetString(2)); maxLengths.Add(reader.GetString(0), Convert.ToInt32(reader.GetValue(3))); } } }
private void FindTables(DataTable schemaTable, string[] restrictions) { StringBuilder builder = new StringBuilder(); StringBuilder builder2 = new StringBuilder(); builder.AppendFormat(CultureInfo.InvariantCulture, "SHOW TABLE STATUS FROM `{0}`", new object[] { restrictions[1] }); if (((restrictions != null) && (restrictions.Length >= 3)) && (restrictions[2] != null)) { builder2.AppendFormat(CultureInfo.InvariantCulture, " LIKE '{0}'", new object[] { restrictions[2] }); } builder.Append(builder2.ToString()); string str = (restrictions[1].ToLower() == "information_schema") ? "SYSTEM VIEW" : "BASE TABLE"; MySqlCommand command = new MySqlCommand(builder.ToString(), this.connection); using (MySqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { DataRow row = schemaTable.NewRow(); row["TABLE_CATALOG"] = null; row["TABLE_SCHEMA"] = restrictions[1]; row["TABLE_NAME"] = reader.GetString(0); row["TABLE_TYPE"] = str; row["ENGINE"] = GetString(reader, 1); row["VERSION"] = reader.GetValue(2); row["ROW_FORMAT"] = GetString(reader, 3); row["TABLE_ROWS"] = reader.GetValue(4); row["AVG_ROW_LENGTH"] = reader.GetValue(5); row["DATA_LENGTH"] = reader.GetValue(6); row["MAX_DATA_LENGTH"] = reader.GetValue(7); row["INDEX_LENGTH"] = reader.GetValue(8); row["DATA_FREE"] = reader.GetValue(9); row["AUTO_INCREMENT"] = reader.GetValue(10); row["CREATE_TIME"] = reader.GetValue(11); row["UPDATE_TIME"] = reader.GetValue(12); row["CHECK_TIME"] = reader.GetValue(13); row["TABLE_COLLATION"] = GetString(reader, 14); row["CHECKSUM"] = reader.GetValue(15); row["CREATE_OPTIONS"] = GetString(reader, 0x10); row["TABLE_COMMENT"] = GetString(reader, 0x11); schemaTable.Rows.Add(row); } } }
private string GetProcedureParameterLine(DataRow isRow) { string format = "SHOW CREATE {0} `{1}`.`{2}`"; MySqlCommand command = new MySqlCommand(string.Format(format, isRow["ROUTINE_TYPE"], isRow["ROUTINE_SCHEMA"], isRow["ROUTINE_NAME"]), base.connection); using (MySqlDataReader reader = command.ExecuteReader()) { string str4; reader.Read(); if (reader.IsDBNull(2)) { return null; } string str2 = reader.GetString(1); string input = reader.GetString(2); SqlTokenizer tokenizer = new SqlTokenizer(input); tokenizer.AnsiQuotes = str2.IndexOf("ANSI_QUOTES") != -1; tokenizer.BackslashEscapes = str2.IndexOf("NO_BACKSLASH_ESCAPES") == -1; for (str4 = tokenizer.NextToken(); str4 != "("; str4 = tokenizer.NextToken()) { } int startIndex = tokenizer.Index + 1; str4 = tokenizer.NextToken(); while ((str4 != ")") || tokenizer.Quoted) { str4 = tokenizer.NextToken(); if ((str4 == "(") && !tokenizer.Quoted) { while ((str4 != ")") || tokenizer.Quoted) { str4 = tokenizer.NextToken(); } str4 = tokenizer.NextToken(); } } return input.Substring(startIndex, tokenizer.Index - startIndex); } }
private static MySqlDataReader ExecuteReader(MySqlConnection connection, MySqlTransaction transaction, string commandText, MySqlParameter[] commandParameters, bool ExternalConn) { MySqlDataReader reader; MySqlCommand command = new MySqlCommand(); command.Connection = connection; command.Transaction = transaction; command.CommandText = commandText; command.CommandType = CommandType.Text; if (commandParameters != null) { foreach (MySqlParameter parameter in commandParameters) { command.Parameters.Add(parameter); } } if (ExternalConn) { reader = command.ExecuteReader(); } else { reader = command.ExecuteReader(CommandBehavior.CloseConnection); } command.Parameters.Clear(); return reader; }
/// <summary> /// Executes a simple Query and Reads the first <see cref="Int32"/> Value! /// </summary> /// <param name="Query"></param> /// <returns>the first <see cref="Int32"/> Value ( Value > 0 )</returns> public bool QueryBool( string Query ) { bool result = false; mLastError = null; if( Query.Length == 0 ) return result; try { Open(); mCommand = mConnection.CreateCommand(); mCommand.CommandText = Query; mReader = mCommand.ExecuteReader(); while( mReader.Read() ) { result = ( mReader.GetInt32( 0 ) > 0 ); } mReader.Close(); } catch( Exception ex ) { System.Diagnostics.Debug.WriteLine( ex ); mLastError = ex; return false; } return result; }
private void LoadTableColumns(DataTable dt, string schema, string tableName, string columnRestriction) { MySqlCommand command = new MySqlCommand(string.Format("SHOW FULL COLUMNS FROM `{0}`.`{1}`", schema, tableName), this.connection); int num = 1; using (MySqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { string str2 = reader.GetString(0); if ((columnRestriction == null) || (str2 == columnRestriction)) { DataRow row = dt.NewRow(); row["TABLE_CATALOG"] = DBNull.Value; row["TABLE_SCHEMA"] = schema; row["TABLE_NAME"] = tableName; row["COLUMN_NAME"] = str2; row["ORDINAL_POSITION"] = num++; row["COLUMN_DEFAULT"] = reader.GetValue(5); row["IS_NULLABLE"] = reader.GetString(3); row["DATA_TYPE"] = reader.GetString(1); row["CHARACTER_MAXIMUM_LENGTH"] = DBNull.Value; row["NUMERIC_PRECISION"] = DBNull.Value; row["NUMERIC_SCALE"] = DBNull.Value; row["CHARACTER_SET_NAME"] = reader.GetValue(2); row["COLLATION_NAME"] = row["CHARACTER_SET_NAME"]; row["COLUMN_TYPE"] = reader.GetString(1); row["COLUMN_KEY"] = reader.GetString(4); row["EXTRA"] = reader.GetString(6); row["PRIVILEGES"] = reader.GetString(7); row["COLUMN_COMMENT"] = reader.GetString(8); ParseColumnRow(row); dt.Rows.Add(row); } } } }
public virtual DataTable GetProcedures(string[] restrictions) { DataTable table = new DataTable("Procedures"); table.Columns.Add(new DataColumn("SPECIFIC_NAME", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_CATALOG", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_SCHEMA", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_NAME", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_TYPE", typeof(string))); table.Columns.Add(new DataColumn("DTD_IDENTIFIER", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_BODY", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_DEFINITION", typeof(string))); table.Columns.Add(new DataColumn("EXTERNAL_NAME", typeof(string))); table.Columns.Add(new DataColumn("EXTERNAL_LANGUAGE", typeof(string))); table.Columns.Add(new DataColumn("PARAMETER_STYLE", typeof(string))); table.Columns.Add(new DataColumn("IS_DETERMINISTIC", typeof(string))); table.Columns.Add(new DataColumn("SQL_DATA_ACCESS", typeof(string))); table.Columns.Add(new DataColumn("SQL_PATH", typeof(string))); table.Columns.Add(new DataColumn("SECURITY_TYPE", typeof(string))); table.Columns.Add(new DataColumn("CREATED", typeof(DateTime))); table.Columns.Add(new DataColumn("LAST_ALTERED", typeof(DateTime))); table.Columns.Add(new DataColumn("SQL_MODE", typeof(string))); table.Columns.Add(new DataColumn("ROUTINE_COMMENT", typeof(string))); table.Columns.Add(new DataColumn("DEFINER", typeof(string))); StringBuilder builder = new StringBuilder("SELECT * FROM mysql.proc WHERE 1=1"); if (restrictions != null) { if ((restrictions.Length >= 2) && (restrictions[1] != null)) { builder.AppendFormat(CultureInfo.InvariantCulture, " AND db LIKE '{0}'", new object[] { restrictions[1] }); } if ((restrictions.Length >= 3) && (restrictions[2] != null)) { builder.AppendFormat(CultureInfo.InvariantCulture, " AND name LIKE '{0}'", new object[] { restrictions[2] }); } if ((restrictions.Length >= 4) && (restrictions[3] != null)) { builder.AppendFormat(CultureInfo.InvariantCulture, " AND type LIKE '{0}'", new object[] { restrictions[3] }); } } MySqlCommand command = new MySqlCommand(builder.ToString(), this.connection); using (MySqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { DataRow row = table.NewRow(); row["SPECIFIC_NAME"] = reader.GetString("specific_name"); row["ROUTINE_CATALOG"] = DBNull.Value; row["ROUTINE_SCHEMA"] = reader.GetString("db"); row["ROUTINE_NAME"] = reader.GetString("name"); string str = reader.GetString("type"); row["ROUTINE_TYPE"] = str; row["DTD_IDENTIFIER"] = (str.ToLower(CultureInfo.InvariantCulture) == "function") ? ((object) reader.GetString("returns")) : ((object) DBNull.Value); row["ROUTINE_BODY"] = "SQL"; row["ROUTINE_DEFINITION"] = reader.GetString("body"); row["EXTERNAL_NAME"] = DBNull.Value; row["EXTERNAL_LANGUAGE"] = DBNull.Value; row["PARAMETER_STYLE"] = "SQL"; row["IS_DETERMINISTIC"] = reader.GetString("is_deterministic"); row["SQL_DATA_ACCESS"] = reader.GetString("sql_data_access"); row["SQL_PATH"] = DBNull.Value; row["SECURITY_TYPE"] = reader.GetString("security_type"); row["CREATED"] = reader.GetDateTime("created"); row["LAST_ALTERED"] = reader.GetDateTime("modified"); row["SQL_MODE"] = reader.GetString("sql_mode"); row["ROUTINE_COMMENT"] = reader.GetString("comment"); row["DEFINER"] = reader.GetString("definer"); table.Rows.Add(row); } } return table; }
public virtual DataTable GetIndexColumns(string[] restrictions) { DataTable table = new DataTable("IndexColumns"); table.Columns.Add("INDEX_CATALOG", typeof(string)); table.Columns.Add("INDEX_SCHEMA", typeof(string)); table.Columns.Add("INDEX_NAME", typeof(string)); table.Columns.Add("TABLE_NAME", typeof(string)); table.Columns.Add("COLUMN_NAME", typeof(string)); table.Columns.Add("ORDINAL_POSITION", typeof(int)); string[] array = new string[Math.Max(restrictions.Length, 4)]; restrictions.CopyTo(array, 0); array[3] = "BASE TABLE"; foreach (DataRow row in this.GetTables(array).Rows) { MySqlCommand command = new MySqlCommand(string.Format("SHOW INDEX FROM `{0}`.`{1}`", row["TABLE_SCHEMA"], row["TABLE_NAME"]), this.connection); using (MySqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { string str2 = GetString(reader, reader.GetOrdinal("KEY_NAME")); string str3 = GetString(reader, reader.GetOrdinal("COLUMN_NAME")); if ((restrictions == null) || ((((restrictions.Length != 4) || (restrictions[3] == null)) || (str2 == restrictions[3])) && (((restrictions.Length != 5) || (restrictions[4] == null)) || (str3 == restrictions[4])))) { DataRow row2 = table.NewRow(); row2["INDEX_CATALOG"] = null; row2["INDEX_SCHEMA"] = row["TABLE_SCHEMA"]; row2["INDEX_NAME"] = str2; row2["TABLE_NAME"] = GetString(reader, reader.GetOrdinal("TABLE")); row2["COLUMN_NAME"] = str3; row2["ORDINAL_POSITION"] = reader.GetValue(reader.GetOrdinal("SEQ_IN_INDEX")); table.Rows.Add(row2); } } continue; } } return table; }
private void GetForeignKeysOnTable(DataTable fkTable, DataRow tableToParse, string filterName, bool includeColumns) { string sqlMode = this.GetSqlMode(); if (filterName != null) { filterName = filterName.ToLower(CultureInfo.InvariantCulture); } string cmdText = string.Format("SHOW CREATE TABLE `{0}`.`{1}`", tableToParse["TABLE_SCHEMA"], tableToParse["TABLE_NAME"]); string input = null; MySqlCommand command = new MySqlCommand(cmdText, this.connection); using (MySqlDataReader reader = command.ExecuteReader()) { reader.Read(); input = reader.GetString(1).ToLower(CultureInfo.InvariantCulture); } SqlTokenizer tokenizer = new SqlTokenizer(input); tokenizer.AnsiQuotes = sqlMode.IndexOf("ANSI_QUOTES") != -1; tokenizer.BackslashEscapes = sqlMode.IndexOf("NO_BACKSLASH_ESCAPES") != -1; while (true) { string str5 = tokenizer.NextToken(); while ((str5 != null) && ((str5 != "constraint") || tokenizer.Quoted)) { str5 = tokenizer.NextToken(); } if (str5 == null) { return; } this.ParseConstraint(fkTable, tableToParse, tokenizer, includeColumns); } }
public void ReportWarnings() { ArrayList list = new ArrayList(); MySqlCommand command = new MySqlCommand("SHOW WARNINGS", this.connection); using (MySqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { list.Add(new MySqlError(reader.GetString(0), reader.GetInt32(1), reader.GetString(2))); } this.hasWarnings = false; if (list.Count != 0) { MySqlInfoMessageEventArgs args = new MySqlInfoMessageEventArgs(); args.errors = (MySqlError[]) list.ToArray(typeof(MySqlError)); if (this.connection != null) { this.connection.OnInfoMessage(args); } } } }
private void LoadCharacterSets() { if (this.version.isAtLeast(4, 1, 0)) { MySqlCommand command = new MySqlCommand("SHOW COLLATION", this.connection); try { using (MySqlDataReader reader = command.ExecuteReader()) { this.charSets = new Hashtable(); while (reader.Read()) { this.charSets[Convert.ToInt32(reader["id"], NumberFormatInfo.InvariantInfo)] = reader.GetString(reader.GetOrdinal("charset")); } } } catch (Exception exception) { Logger.LogException(exception); throw; } } }