Bug 123915 Add table-fetch limitation when DataSet Editor is populating table names.
When fetch table names from database of large volume of data, there lies a possibility that the editor window will be frozen because of the population of huge number of table names. This should be enhanced. A handy solution might be limiting the number of table names being fetched each schema.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
else
			lines = new String[]{
					"select", "from"
			};
		return lines;
	}
	
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.IPropertyPage#getName()
	 */
	public String getName( )
	{
		return JdbcPlugin.getResourceString( "dataset.editor.page.query" );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.IPropertyPage#canLeave()
	 */
	public boolean canLeave( )
	{
		try
		{
			( (OdaDataSetHandle) getContainer( ).getModel( ) ).setQueryText( doc.get( ) );
		}
		catch ( SemanticException e )
		{
			return false;