org.axiondb.engine.commands
Class DefragCommand

java.lang.Object
  extended by org.axiondb.engine.commands.BaseAxionCommand
      extended by org.axiondb.engine.commands.DefragCommand
All Implemented Interfaces:
AxionCommand

public class DefragCommand
extends BaseAxionCommand

A DEFRAG TABLE tableName command, to compact the a disk resident table

Version:
$Revision: 1.7 $ $Date: 2004/08/31 02:34:41 $

Constructor Summary
DefragCommand()
           
 
Method Summary
 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 tableName)
           
 
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

DefragCommand

public DefragCommand()
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()

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()

executeQuery

public AxionResultSet executeQuery(Database database)
                            throws AxionException
Unsupported

Returns:
the generated ResultSet
Throws:
AxionException
See Also:
Statement.executeQuery(java.lang.String), PreparedStatement.executeQuery()

setObjectName

public void setObjectName(java.lang.String tableName)