Bug 200286 [Regression] Data set editor size is not correct [07]
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
&& !event.data.equals( "null" ) )
					insertText( (String) event.data );
			}
		} );
	}
	/**
	 * Insert a text string into the text area
	 * 
	 * @param text
	 */
	private void insertText( String text )
	{
		if ( text == null )
			return;
		StyledText textWidget = viewer.getTextWidget( );
		int selectionStart = textWidget.getSelection( ).x;
		textWidget.insert( text );
		textWidget.setSelection( selectionStart + text.length( ) );
		textWidget.setFocus( );
	}
	/**
	 * Creates the textual query editor 
	 * @param parent
	 */
	private Control createTextualQueryComposite( Composite parent )
	{
		Composite composite = new Composite( parent, SWT.FILL
				| SWT.LEFT_TO_RIGHT );
		GridLayout layout = new GridLayout( );
		layout.numColumns = 1;