private static void ParseDataTypeSize(MySqlSchemaRow row, string size) { size = size.Trim('(', ')'); string[] parts = size.Split(','); if (!MetaData.IsNumericType(row["DATA_TYPE"].ToString())) { row["CHARACTER_MAXIMUM_LENGTH"] = Int32.Parse(parts[0]); // will set octet length in a minute } else { row["NUMERIC_PRECISION"] = Int32.Parse(parts[0]); if (parts.Length == 2) { row["NUMERIC_SCALE"] = Int32.Parse(parts[1]); } } }
private static string GetDataTypeDefaults(string type, MySqlSchemaRow row) { string format = "({0},{1})"; object precision = row["NUMERIC_PRECISION"]; if (MetaData.IsNumericType(type) && string.IsNullOrEmpty(( string )row["NUMERIC_PRECISION"])) { row["NUMERIC_PRECISION"] = 10; row["NUMERIC_SCALE"] = 0; if (!MetaData.SupportScale(type)) { format = "({0})"; } return(String.Format(format, row["NUMERIC_PRECISION"], row["NUMERIC_SCALE"])); } return(String.Empty); }
private static ParameterDirection GetDirection(MySqlSchemaRow row) { string mode = row["PARAMETER_MODE"].ToString(); int ordinal = Convert.ToInt32(row["ORDINAL_POSITION"]); if (0 == ordinal) { return(ParameterDirection.ReturnValue); } else if (mode == "IN") { return(ParameterDirection.Input); } else if (mode == "OUT") { return(ParameterDirection.Output); } return(ParameterDirection.InputOutput); }
internal MySqlSchemaRow NewRow() { MySqlSchemaRow r = new MySqlSchemaRow(this); return(r); }
/// <summary> /// Parses out the elements of a procedure parameter data type. /// </summary> private string ParseDataType(MySqlSchemaRow row, MySqlTokenizer tokenizer) { StringBuilder dtd = new StringBuilder( StringUtility.ToUpperInvariant(tokenizer.NextToken())); row["DATA_TYPE"] = dtd.ToString(); string type = row["DATA_TYPE"].ToString(); string token = tokenizer.NextToken(); if (token == "(") { token = tokenizer.ReadParenthesis(); dtd.AppendFormat(CultureInfo.InvariantCulture, "{0}", token); if (type != "ENUM" && type != "SET") { ParseDataTypeSize(row, token); } token = tokenizer.NextToken(); } else { dtd.Append(GetDataTypeDefaults(type, row)); } while (token != ")" && token != "," && String.Compare(token, "begin", StringComparison.OrdinalIgnoreCase) != 0 && String.Compare(token, "return", StringComparison.OrdinalIgnoreCase) != 0) { if (String.Compare(token, "CHARACTER", StringComparison.OrdinalIgnoreCase) == 0 || String.Compare(token, "BINARY", StringComparison.OrdinalIgnoreCase) == 0) { } // we don't need to do anything with this else if (String.Compare(token, "SET", StringComparison.OrdinalIgnoreCase) == 0 || String.Compare(token, "CHARSET", StringComparison.OrdinalIgnoreCase) == 0) { row["CHARACTER_SET_NAME"] = tokenizer.NextToken(); } else if (String.Compare(token, "ASCII", StringComparison.OrdinalIgnoreCase) == 0) { row["CHARACTER_SET_NAME"] = "latin1"; } else if (String.Compare(token, "UNICODE", StringComparison.OrdinalIgnoreCase) == 0) { row["CHARACTER_SET_NAME"] = "ucs2"; } else if (String.Compare(token, "COLLATE", StringComparison.OrdinalIgnoreCase) == 0) { row["COLLATION_NAME"] = tokenizer.NextToken(); } else { dtd.AppendFormat(CultureInfo.InvariantCulture, " {0}", token); } token = tokenizer.NextToken(); } if (dtd.Length > 0) { row["DTD_IDENTIFIER"] = dtd.ToString(); } // now default the collation if one wasn't given if (string.IsNullOrEmpty(( string )row["COLLATION_NAME"]) && !string.IsNullOrEmpty(( string )row["CHARACTER_SET_NAME"])) { row["COLLATION_NAME"] = CharSetMap.GetDefaultCollation( row["CHARACTER_SET_NAME"].ToString(), connection); } // now set the octet length if (row["CHARACTER_MAXIMUM_LENGTH"] != null) { if (row["CHARACTER_SET_NAME"] == null) { row["CHARACTER_SET_NAME"] = ""; } row["CHARACTER_OCTET_LENGTH"] = CharSetMap.GetMaxLength(( string )row["CHARACTER_SET_NAME"], connection) * (int)row["CHARACTER_MAXIMUM_LENGTH"]; } return(token); }
private void ParseProcedureBody(MySqlSchemaCollection parametersTable, string body, MySqlSchemaRow row, string nameToRestrict) { List <string> modes = new List <string>(new string[3] { "IN", "OUT", "INOUT" }); string sqlMode = row["SQL_MODE"].ToString(); int pos = 1; MySqlTokenizer tokenizer = new MySqlTokenizer(body); tokenizer.AnsiQuotes = sqlMode.IndexOf("ANSI_QUOTES") != -1; tokenizer.BackslashEscapes = sqlMode.IndexOf("NO_BACKSLASH_ESCAPES") == -1; tokenizer.ReturnComments = false; string token = tokenizer.NextToken(); // this block will scan for the opening paren while also determining // if this routine is a function. If so, then we need to add a // parameter row for the return parameter since it is ordinal position // 0 and should appear first. while (token != "(") { if (String.Compare(token, "FUNCTION", StringComparison.OrdinalIgnoreCase) == 0 && nameToRestrict == null) { parametersTable.AddRow(); InitParameterRow(row, parametersTable.Rows[0]); } token = tokenizer.NextToken(); } token = tokenizer.NextToken(); // now move to the next token past the ( while (token != ")") { MySqlSchemaRow parmRow = parametersTable.NewRow(); InitParameterRow(row, parmRow); parmRow["ORDINAL_POSITION"] = pos++; // handle mode and name for the parameter string mode = StringUtility.ToUpperInvariant(token); if (!tokenizer.Quoted && modes.Contains(mode)) { parmRow["PARAMETER_MODE"] = mode; token = tokenizer.NextToken(); } if (tokenizer.Quoted) { token = token.Substring(1, token.Length - 2); } parmRow["PARAMETER_NAME"] = token; // now parse data type token = ParseDataType(parmRow, tokenizer); if (token == ",") { token = tokenizer.NextToken(); } // now determine if we should include this row after all // we need to parse it before this check so we are correctly // positioned for the next parameter if (nameToRestrict == null || String.Compare(parmRow["PARAMETER_NAME"].ToString(), nameToRestrict, StringComparison.OrdinalIgnoreCase) == 0) { parametersTable.Rows.Add(parmRow); } } // now parse out the return parameter if there is one. token = StringUtility.ToUpperInvariant(tokenizer.NextToken()); if (String.Compare(token, "RETURNS", StringComparison.OrdinalIgnoreCase) == 0) { MySqlSchemaRow parameterRow = parametersTable.Rows[0]; parameterRow["PARAMETER_NAME"] = "RETURN_VALUE"; ParseDataType(parameterRow, tokenizer); } }