ColumnExpression ================ .. currentmodule:: lsst.daf.relation .. autoclass:: ColumnExpression :show-inheritance: .. rubric:: Attributes Summary .. autosummary:: ~ColumnExpression.columns_required .. rubric:: Methods Summary .. autosummary:: ~ColumnExpression.eq ~ColumnExpression.function ~ColumnExpression.ge ~ColumnExpression.gt ~ColumnExpression.is_supported_by ~ColumnExpression.le ~ColumnExpression.literal ~ColumnExpression.lt ~ColumnExpression.method ~ColumnExpression.ne ~ColumnExpression.predicate_function ~ColumnExpression.predicate_method ~ColumnExpression.reference .. rubric:: Attributes Documentation .. autoattribute:: columns_required .. rubric:: Methods Documentation .. automethod:: eq .. automethod:: function .. automethod:: ge .. automethod:: gt .. automethod:: is_supported_by .. automethod:: le .. automethod:: literal .. automethod:: lt .. automethod:: method .. automethod:: ne .. automethod:: predicate_function .. automethod:: predicate_method .. automethod:: reference