Columns / names#

Expr.alias(name)

Rename the expression.

Expr.exclude(columns, *more_columns)

Exclude columns from a multi-column expression.

Expr.keep_name()

Keep the original root name of the expression.

Expr.map_alias(function)

Rename the output of an expression by mapping a function over the root name.

Expr.prefix(prefix)

Add a prefix to the root column name of the expression.

Expr.suffix(suffix)

Add a suffix to the root column name of the expression.