polars.explain_all#
- polars.explain_all(
- lazy_frames: Iterable[LazyFrame],
- *,
- optimizations: QueryOptFlags = (),
Explain multiple LazyFrames as if passed to
collect_all.Common Subplan Elimination is applied on the combined plan, meaning that diverging queries will run only once.
- Parameters:
- lazy_frames
A list of LazyFrames to collect.
- optimizations
The optimization passes done during query optimization.
Warning
This functionality is considered unstable. It may be changed at any point without it being considered a breaking change.
- Returns:
- Explained plan.