org.axiondb.engine.commands
Class UpdateCommand
java.lang.Object
org.axiondb.engine.commands.BaseAxionCommand
org.axiondb.engine.commands.ChildTableUpdater
org.axiondb.engine.commands.UpdateCommand
- All Implemented Interfaces:
- AxionCommand
public class UpdateCommand
- extends ChildTableUpdater
An UPDATE command.
- Version:
- $Revision: 1.64 $ $Date: 2006/01/10 21:02:37 $
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 |
UpdateCommand
public UpdateCommand()
addColumn
public void addColumn(ColumnIdentifier col)
addValue
public void addValue(Selectable val)
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, use
executeUpdate(org.axiondb.Database)
instead.
- Returns:
- the generated
ResultSet
- Throws:
UnsupportedOperationException
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()
getColumnCount
public int getColumnCount()
getColumnIterator
public Iterator getColumnIterator()
getExceptionWhenClause
public org.axiondb.engine.commands.UpdateCommand.ExceptionWhenClause getExceptionWhenClause()
getTable
public TableIdentifier getTable()
getValueCount
public int getValueCount()
getValueIterator
public Iterator getValueIterator()
getWhere
public Selectable getWhere()
setExceptionWhenClause
public void setExceptionWhenClause(DMLWhenClause w,
TableIdentifier t,
List cols,
List vals)
setQueryContext
public void setQueryContext(AxionQueryContext context)
setTable
public void setTable(TableIdentifier table)
setWhere
public void setWhere(Selectable where)
buildBindVariables
protected void buildBindVariables()
- Overrides:
buildBindVariables
in class BaseAxionCommand
resolve
protected void resolve(Database db)
throws AxionException
- Throws:
AxionException