The GitHub Actions job "Required Checks" on 
texera.git/feat/verify-run-generated-script has failed.
Run started by GitHub user kz930 (triggered by kz930).

Head commit for run:
658b1a6875a1bc8f7cc3cc04b41837a5e937afb4 / kary zheng <[email protected]>
test(verify): hand the script an empty input with its columns

read_json finds no column names in a file with no rows, so the script
was handed a frame of no columns. An exported script never sees one: a
filter that matches nothing and a header-only CSV both leave the columns
in place, and each operator's code is handed that frame. Without them 21
operators that handle an empty table raised KeyError on the script side
only, a failure the test made rather than one the export has.

The columns are rebuilt from the sidecar again. The earlier removal took
the engine's columnless empty table as the reference for this side too,
but the engine is what Path A stands for, not the script.

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

Report URL: https://github.com/apache/texera/actions/runs/35963639176

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