org.axiondb.engine.commands
Class DeleteCommand
java.lang.Object
org.axiondb.engine.commands.BaseAxionCommand
org.axiondb.engine.commands.ChildTableUpdater
org.axiondb.engine.commands.DeleteCommand
- All Implemented Interfaces:
- AxionCommand
public class DeleteCommand
- extends ChildTableUpdater
A DELETE command.
- Version:
- $Revision: 1.33 $ $Date: 2005/12/22 09:02:29 $
Methods inherited from class org.axiondb.engine.commands.BaseAxionCommand |
assertNotReadOnly, attemptToConvertValue, bindAll, 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 |
DeleteCommand
public DeleteCommand(String tableName,
Selectable where)
DeleteCommand
public DeleteCommand(TableIdentifier table,
Selectable where)
execute
public boolean execute(Database database)
throws AxionException
- Description copied from interface:
AxionCommand
- Executes an SQL statement that may return multiple results.
- Returns:
- true if one or more
ResultSet
s 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()
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()
getTable
public final TableIdentifier getTable()
getWhere
public final Selectable getWhere()
buildBindVariables
protected void buildBindVariables()
- Overrides:
buildBindVariables
in class BaseAxionCommand
resolve
protected void resolve(Database db)
throws AxionException
- Throws:
AxionException