polars.Expr.meta.tree_format#
- Expr.meta.tree_format(*, return_as_string: bool = False) str | None [source]#
Format the expression as a tree.
- Parameters:
- return_as_string:
If True, return as string rather than printing to stdout.
Examples
>>> e = (pl.col("foo") * pl.col("bar")).sum().over(pl.col("ham")) / 2 >>> e.meta.tree_format(return_as_string=True)