'Explicitly map a single bound column to a collection of blaze
expressions. The expressions need to have ``timestamp`` and ``as_of``
columns.
Parameters
column : BoundColumn
The pipeline dataset to map to the given expressions.
expr : Expr
The baseline values.
deltas : Expr, optional
The deltas for the data.
checkpoints : Expr, optional
The forward fill checkpoints for the data.
odo_kwargs : dict, optional
The keyword arguments to forward to the odo calls internally.
See Also
:func:`zipline.pipeline.loaders.blaze.from_blaze`'

def register_column(self, column, expr, deltas=None, checkpoints=None, odo_kwargs=None):

    self._table_expressions[column] = ExprData(expr, deltas, checkpoints, odo_kwargs)
