/// <summary>
/// Parses the isql statement CREATE DATABASE and creates the database and opens a connection to the recently created database.
/// </summary>
/// <param name="createDbStatement">the create database statement.</param>
protected internal void CreateDatabase(string createDbStatement)
{
// CREATE {DATABASE | SCHEMA} 'filespec'
// [USER 'username' [PASSWORD 'password']]
// [PAGE_SIZE [=] int]
// [LENGTH [=] int [PAGE[S]]]
// [DEFAULT CHARACTER SET charset]
// [<secondary_file>];
int pageSize = 0;
StringParser parser = new StringParser(createDbStatement, false);
parser.Token = " ";
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "CREATE")
{
throw new Exception("Malformed isql CREATE statement. Expected keyword CREATE but something else was found.");
}
parser.ParseNext(); // {DATABASE | SCHEMA}
parser.ParseNext();
this.connectionString.Database = parser.Result.Replace("'", string.Empty);
while (parser.ParseNext() != -1)
{
switch (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture))
{
case "USER":
parser.ParseNext();
this.connectionString.UserID = parser.Result.Replace("'", string.Empty);
break;
case "PASSWORD":
parser.ParseNext();
this.connectionString.Password = parser.Result.Replace("'", string.Empty);
break;
case "PAGE_SIZE":
parser.ParseNext();
if (parser.Result.Trim() == "=")
parser.ParseNext();
int.TryParse(parser.Result, out pageSize);
break;
case "DEFAULT":
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "CHARACTER")
throw new Exception("Expected the keyword CHARACTER but something else was found.");
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "SET")
throw new Exception("Expected the keyword SET but something else was found.");
parser.ParseNext();
this.connectionString.Charset = parser.Result;
break;
}
}
FbConnection.CreateDatabase(this.connectionString.ToString(), pageSize, true, false);
this.requiresNewConnection = true;
this.ProvideConnection();
}
public FbScript(string script)
{
this.results = new FbStatementCollection();
this.parser = new StringParser(RemoveComments(script), false);
this.parser.Tokens = new[] { ";" };
}
/// <summary>
/// Updates the connection string with the data parsed from the parameter and opens a connection
/// to the database.
/// </summary>
/// <param name="connectDbStatement"></param>
protected internal void ConnectToDatabase(string connectDbStatement)
{
// CONNECT 'filespec' [USER 'username'][PASSWORD 'password'] [CACHE int] [ROLE 'rolename']
StringParser parser = new StringParser(connectDbStatement, false);
parser.Token = " ";
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "CONNECT")
{
throw new Exception("Malformed isql CONNECT statement. Expected keyword CONNECT but something else was found.");
}
parser.ParseNext();
this.connectionString.Database = parser.Result.Replace("'", string.Empty);
while (parser.ParseNext() != -1)
{
switch (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture))
{
case "USER":
parser.ParseNext();
this.connectionString.UserID = parser.Result.Replace("'", string.Empty);
break;
case "PASSWORD":
parser.ParseNext();
this.connectionString.Password = parser.Result.Replace("'", string.Empty);
break;
case "CACHE":
parser.ParseNext();
break;
case "ROLE":
parser.ParseNext();
this.connectionString.Role = parser.Result.Replace("'", string.Empty);
break;
default:
throw new Exception("Unexpected token '" + parser.Result.Trim() + "' on isql CONNECT statement.");
}
}
this.requiresNewConnection = true;
this.ProvideConnection();
}
/// <summary>
/// Parses the isql statement SET SQL DIALECT and sets the dialect set to current connection string.
/// </summary>
/// <param name="setSqlDialectStatement">The set sql dialect statement.</param>
protected void SetSqlDialect(string setSqlDialectStatement)
{
// SET SQL DIALECT dialect
StringParser parser = new StringParser(setSqlDialectStatement);
parser.Tokens = new[] { " ", "\r\n", "\n", "\r" };
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "SET")
{
throw new ArgumentException("Malformed isql SET statement. Expected keyword SET but something else was found.");
}
parser.ParseNext(); // SQL
parser.ParseNext(); // DIALECT
parser.ParseNext();
int dialect = 3;
int.TryParse(parser.Result, out dialect);
_connectionString.Dialect = dialect;
}
/// <summary>
/// Parses the isql statement SET NAMES and sets the character set to current connection string.
/// </summary>
/// <param name="setNamesStatement">The set names statement.</param>
protected void SetNames(string setNamesStatement)
{
// SET NAMES charset
StringParser parser = new StringParser(setNamesStatement);
parser.Tokens = new[] { " ", "\r\n", "\n", "\r" };
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "SET")
{
throw new ArgumentException("Malformed isql SET statement. Expected keyword SET but something else was found.");
}
parser.ParseNext(); // NAMES
parser.ParseNext();
_connectionString.Charset = parser.Result;
}
/// <summary>
/// Parses the isql statement SET AUTODDL and sets the character set to current connection string.
/// </summary>
/// <param name="setAutoDdlStatement">The set names statement.</param>
protected void SetAutoDdl(string setAutoDdlStatement, ref bool autoCommit)
{
// SET AUTODDL [ON | OFF]
StringParser parser = new StringParser(setAutoDdlStatement);
parser.Tokens = new[] { " ", "\r\n", "\n", "\r" };
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "SET")
{
throw new ArgumentException("Malformed isql SET statement. Expected keyword SET but something else was found.");
}
parser.ParseNext(); // AUTO
if (parser.ParseNext() != -1)
{
string onOff = parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture);
if (onOff == "ON")
{
autoCommit = true;
}
else if (onOff == "OFF")
{
autoCommit = false;
}
else
{
throw new ArgumentException("Expected the ON or OFF but something else was found.");
}
}
else
{
autoCommit = !autoCommit;
}
}
/// <summary>
/// Determines the <see cref="SqlStatementType"/> of the provided SQL statement.
/// </summary>
/// <param name="sqlStatement">The string containing the SQL statement.</param>
/// <returns>The <see cref="SqlStatementType"/> of the <b>sqlStatement</b>.</returns>
/// <remarks>If the type of <b>sqlStatement</b> could not be determined this
/// method will throw an exception.</remarks>
public static SqlStatementType GetStatementType(string sqlStatement)
{
char type = sqlStatement == null ? ' ' : sqlStatement.Trim().ToUpper(CultureInfo.CurrentUICulture)[0];
switch (type)
{
case 'A':
if (StringParser.StartsWith(sqlStatement, "ALTER DATABASE", true))
{
return(SqlStatementType.AlterDatabase);
}
if (StringParser.StartsWith(sqlStatement, "ALTER DOMAIN", true))
{
return(SqlStatementType.AlterDomain);
}
if (StringParser.StartsWith(sqlStatement, "ALTER EXCEPTION", true))
{
return(SqlStatementType.AlterException);
}
if (StringParser.StartsWith(sqlStatement, "ALTER INDEX", true))
{
return(SqlStatementType.AlterIndex);
}
if (StringParser.StartsWith(sqlStatement, "ALTER PROCEDURE", true))
{
return(SqlStatementType.AlterProcedure);
}
if (StringParser.StartsWith(sqlStatement, "ALTER SEQUENCE", true))
{
return(SqlStatementType.AlterSequence);
}
if (StringParser.StartsWith(sqlStatement, "ALTER TABLE", true))
{
return(SqlStatementType.AlterTable);
}
if (StringParser.StartsWith(sqlStatement, "ALTER TRIGGER", true))
{
return(SqlStatementType.AlterTrigger);
}
if (StringParser.StartsWith(sqlStatement, "ALTER VIEW", true))
{
return(SqlStatementType.AlterView);
}
break;
case 'C':
switch (char.ToUpper(sqlStatement[1], CultureInfo.CurrentUICulture))
{
case 'L':
if (StringParser.StartsWith(sqlStatement, "CLOSE", true))
{
return(SqlStatementType.Close);
}
break;
case 'O':
if (StringParser.StartsWith(sqlStatement, "COMMENT ON", true))
{
return(SqlStatementType.CommentOn);
}
if (StringParser.StartsWith(sqlStatement, "COMMIT", true))
{
return(SqlStatementType.Commit);
}
if (StringParser.StartsWith(sqlStatement, "CONNECT", true))
{
return(SqlStatementType.Connect);
}
break;
case 'R':
if (StringParser.StartsWith(sqlStatement, "CREATE DATABASE", true))
{
return(SqlStatementType.CreateDatabase);
}
if (StringParser.StartsWith(sqlStatement, "CREATE DOMAIN", true))
{
return(SqlStatementType.CreateDomain);
}
if (StringParser.StartsWith(sqlStatement, "CREATE EXCEPTION", true) ||
StringParser.StartsWith(sqlStatement, "CREATE OR ALTER EXCEPTION", true))
{
return(SqlStatementType.CreateException);
}
if (StringParser.StartsWith(sqlStatement, "CREATE GENERATOR", true))
{
return(SqlStatementType.CreateGenerator);
}
if (StringParser.StartsWith(sqlStatement, "CREATE INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE ASC INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE ASCENDING INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE DESC INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE DESCENDING INDEX", true))
{
return(SqlStatementType.CreateIndex);
}
if (StringParser.StartsWith(sqlStatement, "CREATE PROCEDURE", true) ||
StringParser.StartsWith(sqlStatement, "CREATE OR ALTER PROCEDURE", true))
{
return(SqlStatementType.CreateProcedure);
}
if (StringParser.StartsWith(sqlStatement, "CREATE ROLE", true))
{
return(SqlStatementType.CreateRole);
}
if (StringParser.StartsWith(sqlStatement, "CREATE SEQUENCE", true))
{
return(SqlStatementType.CreateSequence);
}
if (StringParser.StartsWith(sqlStatement, "CREATE SHADOW", true))
{
return(SqlStatementType.CreateShadow);
}
if (StringParser.StartsWith(sqlStatement, "CREATE TABLE", true) ||
StringParser.StartsWith(sqlStatement, "CREATE GLOBAL TEMPORARY TABLE", true))
{
return(SqlStatementType.CreateTable);
}
if (StringParser.StartsWith(sqlStatement, "CREATE TRIGGER", true) ||
StringParser.StartsWith(sqlStatement, "CREATE OR ALTER TRIGGER", true))
{
return(SqlStatementType.CreateTrigger);
}
if (StringParser.StartsWith(sqlStatement, "CREATE UNIQUE INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE UNIQUE ASC INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE UNIQUE ASCENDING INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE UNIQUE DESC INDEX", true) ||
StringParser.StartsWith(sqlStatement, "CREATE UNIQUE DESCENDING INDEX", true))
{
return(SqlStatementType.CreateIndex);
}
if (StringParser.StartsWith(sqlStatement, "CREATE VIEW", true) ||
StringParser.StartsWith(sqlStatement, "CREATE OR ALTER VIEW", true))
{
return(SqlStatementType.CreateView);
}
break;
}
break;
case 'D':
switch (char.ToUpper(sqlStatement[1], CultureInfo.CurrentUICulture))
{
case 'E':
if (StringParser.StartsWith(sqlStatement, "DECLARE CURSOR", true))
{
return(SqlStatementType.DeclareCursor);
}
if (StringParser.StartsWith(sqlStatement, "DECLARE EXTERNAL FUNCTION", true))
{
return(SqlStatementType.DeclareExternalFunction);
}
if (StringParser.StartsWith(sqlStatement, "DECLARE FILTER", true))
{
return(SqlStatementType.DeclareFilter);
}
if (StringParser.StartsWith(sqlStatement, "DECLARE STATEMENT", true))
{
return(SqlStatementType.DeclareStatement);
}
if (StringParser.StartsWith(sqlStatement, "DECLARE TABLE", true))
{
return(SqlStatementType.DeclareTable);
}
if (StringParser.StartsWith(sqlStatement, "DELETE", true))
{
return(SqlStatementType.Delete);
}
if (StringParser.StartsWith(sqlStatement, "DESCRIBE", true))
{
return(SqlStatementType.Describe);
}
break;
case 'I':
if (StringParser.StartsWith(sqlStatement, "DISCONNECT", true))
{
return(SqlStatementType.Disconnect);
}
break;
case 'R':
if (StringParser.StartsWith(sqlStatement, "DROP DATABASE", true))
{
return(SqlStatementType.DropDatabase);
}
if (StringParser.StartsWith(sqlStatement, "DROP DOMAIN", true))
{
return(SqlStatementType.DropDomain);
}
if (StringParser.StartsWith(sqlStatement, "DROP EXCEPTION", true))
{
return(SqlStatementType.DropException);
}
if (StringParser.StartsWith(sqlStatement, "DROP EXTERNAL FUNCTION", true))
{
return(SqlStatementType.DropExternalFunction);
}
if (StringParser.StartsWith(sqlStatement, "DROP FILTER", true))
{
return(SqlStatementType.DropFilter);
}
if (StringParser.StartsWith(sqlStatement, "DROP GENERATOR", true))
{
return(SqlStatementType.DropGenerator);
}
if (StringParser.StartsWith(sqlStatement, "DROP INDEX", true))
{
return(SqlStatementType.DropIndex);
}
if (StringParser.StartsWith(sqlStatement, "DROP PROCEDURE", true))
{
return(SqlStatementType.DropProcedure);
}
if (StringParser.StartsWith(sqlStatement, "DROP SEQUENCE", true))
{
return(SqlStatementType.DropSequence);
}
if (StringParser.StartsWith(sqlStatement, "DROP ROLE", true))
{
return(SqlStatementType.DropRole);
}
if (StringParser.StartsWith(sqlStatement, "DROP SHADOW", true))
{
return(SqlStatementType.DropShadow);
}
if (StringParser.StartsWith(sqlStatement, "DROP TABLE", true))
{
return(SqlStatementType.DropTable);
}
if (StringParser.StartsWith(sqlStatement, "DROP TRIGGER", true))
{
return(SqlStatementType.DropTrigger);
}
if (StringParser.StartsWith(sqlStatement, "DROP VIEW", true))
{
return(SqlStatementType.DropView);
}
break;
}
break;
case 'E':
if (StringParser.StartsWith(sqlStatement, "EXECUTE PROCEDURE", true))
{
return(SqlStatementType.ExecuteProcedure);
}
if (StringParser.StartsWith(sqlStatement, "EXECUTE IMMEDIATE", true))
{
return(SqlStatementType.ExecuteImmediate);
}
if (StringParser.StartsWith(sqlStatement, "EXECUTE", true))
{
return(SqlStatementType.Execute);
}
if (StringParser.StartsWith(sqlStatement, "EVENT WAIT", true))
{
return(SqlStatementType.EventWait);
}
if (StringParser.StartsWith(sqlStatement, "EVENT INIT", true))
{
return(SqlStatementType.EventInit);
}
if (StringParser.StartsWith(sqlStatement, "END DECLARE SECTION", true))
{
return(SqlStatementType.EndDeclareSection);
}
break;
case 'F':
if (StringParser.StartsWith(sqlStatement, "FETCH", true))
{
return(SqlStatementType.Fetch);
}
break;
case 'G':
if (StringParser.StartsWith(sqlStatement, "GRANT", true))
{
return(SqlStatementType.Grant);
}
break;
case 'I':
if (StringParser.StartsWith(sqlStatement, "INSERT CURSOR", true))
{
return(SqlStatementType.InsertCursor);
}
if (StringParser.StartsWith(sqlStatement, "INSERT", true))
{
return(SqlStatementType.Insert);
}
break;
case 'O':
if (StringParser.StartsWith(sqlStatement, "OPEN", true))
{
return(SqlStatementType.Open);
}
break;
case 'P':
if (StringParser.StartsWith(sqlStatement, "PREPARE", true))
{
return(SqlStatementType.Prepare);
}
break;
case 'R':
if (StringParser.StartsWith(sqlStatement, "REVOKE", true))
{
return(SqlStatementType.Revoke);
}
if (StringParser.StartsWith(sqlStatement, "RECREATE PROCEDURE", true))
{
return(SqlStatementType.RecreateProcedure);
}
if (StringParser.StartsWith(sqlStatement, "RECREATE TABLE", true) ||
StringParser.StartsWith(sqlStatement, "RECREATE GLOBAL TEMPORARY TABLE", true))
{
return(SqlStatementType.RecreateTable);
}
if (StringParser.StartsWith(sqlStatement, "RECREATE TRIGGER", true))
{
return(SqlStatementType.RecreateTrigger);
}
if (StringParser.StartsWith(sqlStatement, "RECREATE VIEW", true))
{
return(SqlStatementType.RecreateView);
}
if (StringParser.StartsWith(sqlStatement, "ROLLBACK", true))
{
return(SqlStatementType.Rollback);
}
break;
case 'S':
if (StringParser.StartsWith(sqlStatement, "SELECT", true))
{
return(SqlStatementType.Select);
}
if (StringParser.StartsWith(sqlStatement, "SET AUTODDL", true))
{
return(SqlStatementType.SetAutoDDL);
}
if (StringParser.StartsWith(sqlStatement, "SET DATABASE", true))
{
return(SqlStatementType.SetDatabase);
}
if (StringParser.StartsWith(sqlStatement, "SET GENERATOR", true))
{
return(SqlStatementType.SetGenerator);
}
if (StringParser.StartsWith(sqlStatement, "SET NAMES", true))
{
return(SqlStatementType.SetNames);
}
if (StringParser.StartsWith(sqlStatement, "SET SQL DIALECT", true))
{
return(SqlStatementType.SetSQLDialect);
}
if (StringParser.StartsWith(sqlStatement, "SET STATISTICS", true))
{
return(SqlStatementType.SetStatistics);
}
if (StringParser.StartsWith(sqlStatement, "SET TRANSACTION", true))
{
return(SqlStatementType.SetTransaction);
}
if (StringParser.StartsWith(sqlStatement, "SHOW SQL DIALECT", true))
{
return(SqlStatementType.ShowSQLDialect);
}
break;
case 'U':
if (StringParser.StartsWith(sqlStatement, "UPDATE", true))
{
return(SqlStatementType.Update);
}
break;
case 'W':
if (StringParser.StartsWith(sqlStatement, "WHENEVER", true))
{
return(SqlStatementType.Whenever);
}
break;
}
throw new ArgumentException("The type of the SQL statement could not be determined.");
}
/// <summary>
/// Parses the isql statement CREATE DATABASE and creates the database and opens a connection to the recently created database.
/// </summary>
/// <param name="createDatabaseStatement">The create database statement.</param>
protected void CreateDatabase(string createDatabaseStatement)
{
// CREATE {DATABASE | SCHEMA} 'filespec'
// [USER 'username' [PASSWORD 'password']]
// [PAGE_SIZE [=] int]
// [LENGTH [=] int [PAGE[S]]]
// [DEFAULT CHARACTER SET charset]
// [<secondary_file>];
int pageSize = 0;
StringParser parser = new StringParser(createDatabaseStatement, false);
parser.Tokens = new[] { " ", "\r\n", "\n", "\r" };
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "CREATE")
{
throw new ArgumentException("Malformed isql CREATE statement. Expected keyword CREATE but something else was found.");
}
parser.ParseNext(); // {DATABASE | SCHEMA}
parser.ParseNext();
this.connectionString.Database = parser.Result.Replace("'", string.Empty);
while (parser.ParseNext() != -1)
{
switch (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture))
{
case "USER":
parser.ParseNext();
this.connectionString.UserID = parser.Result.Replace("'", string.Empty);
break;
case "PASSWORD":
parser.ParseNext();
this.connectionString.Password = parser.Result.Replace("'", string.Empty);
break;
case "PAGE_SIZE":
parser.ParseNext();
if (parser.Result.Trim() == "=")
{
parser.ParseNext();
}
int.TryParse(parser.Result, out pageSize);
break;
case "DEFAULT":
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "CHARACTER")
{
throw new ArgumentException("Expected the keyword CHARACTER but something else was found.");
}
parser.ParseNext();
if (parser.Result.Trim().ToUpper(CultureInfo.CurrentUICulture) != "SET")
{
throw new ArgumentException("Expected the keyword SET but something else was found.");
}
parser.ParseNext();
this.connectionString.Charset = parser.Result;
break;
}
}
FbConnection.CreateDatabase(this.connectionString.ToString(), pageSize, true, false);
this.requiresNewConnection = true;
this.ProvideConnection();
}
