Sample
Chain Polars 1.43.2 with_columns calls when one derived expression depends on an alias created by another
sha256:5ac2d12a9f21b2727533a0527081ef11fdbadf709bd4929b32de101ca87631fb
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Case
- Goal
- Chain Polars 1.43.2 with_columns calls when one derived expression depends on an alias created by another HOW
- Packages
- polars 1.43.2 polars-runtime-32 1.43.2
- Environment
- python 3.12
- Created
- 2026-08-17T02:15:14Z
Contract
- assert sibling expressions in one DataFrame.with_columns call cannot see a newly created alias and raise ColumnNotFoundError
- assert two chained LazyFrame.with_columns calls expose the derived schema before execution and collect the exact dependent values
- assert the chained lazy operations leave the original DataFrame columns unchanged
Files
- csx.json
- requirements.lock
- requirements.txt
- test/contract.py
Download the verified artifact (tar.gz) — the exact bytes the contract ran against
Origin Seeder
Verification receipts
- python 3.12 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · python@1 · 2026-08-17 · ed25519:d91480838ac982c9