org.axiondb.engine.commands
Class TruncateCommand

java.lang.Object
  org.axiondb.engine.commands.BaseAxionCommand
      org.axiondb.engine.commands.TruncateCommand

All Implemented Interfaces:

AxionCommand

public class TruncateCommand
extends BaseAxionCommand

A TRUNCATE TABLE command.

Version:

$Revision: 1.7 $ $Date: 2005/12/20 18:32:28 $

Constructor Summary

TruncateCommand()

Method Summary

protected void	checkConstraint(Database db, Table table)
boolean	execute(Database db) Executes an SQL statement that may return multiple results.
AxionResultSet	executeQuery(Database database) Unsupported
int	executeUpdate(Database db) Executes an SQL that may add, delete or modify zero or more rows within the database, such as an INSERT, UPDATE or DELETE statement.
void	setObjectName(java.lang.String theTableName)

Methods inherited from class org.axiondb.engine.commands.BaseAxionCommand

assertNotReadOnly, attemptToConvertValue, bindAll, buildBindVariables, clearBindings, createResolveSelectableVisitor, executeQuery, getBindVariableIterator, getBindVariableIterator, getBindVariables, getBindVariableVisitor, getColIdentifierList, getCommitSize, getEffectedRowCount, getResultSet, getRowIterator, makeRowDecorator, populateDefaultValues, populateSequenceColumns, resolveGeneratedColumns, resolveGeneratedColumns, resolveSelectable, resolveSelectable, resolveSelectableList, resolveSelectableList, setBindVariableVisitor, setDeferAllConstraintIfRequired, setEffectedRowCount, setResultSet, updateGeneratedValues

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TruncateCommand

public TruncateCommand()

Method Detail

executeUpdate

public int executeUpdate(Database db)
                  throws AxionException

Description copied from interface: AxionCommand

Executes an SQL that may add, delete or modify zero or more rows within the database, such as an INSERT, UPDATE or DELETE statement. In addition, SQL statements that return nothing, such as SQL DDL statements, can be executed via this method.

Returns:

the number of rows modified

Throws:

AxionException

See Also:

Statement.executeUpdate(java.lang.String), PreparedStatement.executeUpdate()

executeQuery

public AxionResultSet executeQuery(Database database)
                            throws AxionException

Unsupported

Returns:

the generated ResultSet

Throws:

AxionException

See Also:

Statement.executeQuery(java.lang.String), PreparedStatement.executeQuery()

execute

public boolean execute(Database db)
                throws AxionException

Description copied from interface: AxionCommand

Executes an SQL statement that may return multiple results.

Returns:

true if one or more ResultSets were generated, false otherwise

Throws:

AxionException

See Also:

Statement.execute(java.lang.String), PreparedStatement.execute()

setObjectName

public void setObjectName(java.lang.String theTableName)

checkConstraint

protected void checkConstraint(Database db,
                               Table table)
                        throws AxionException

Throws:

AxionException