Return an error instead of a panic when reading a corrupted Parquet file with mismatched column counts #5362
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Which issue does this PR close?
Closes #5315
Rationale for this change
Data pipelines reading Parquet files may encounter corrupted Parquet files as part of their regular activities and be resilient to them through graceful handling (ex: emit telemetry and skip the files). This behavior is more natural to implement when the Parquet crate returns an error instead of a panic.
What changes are included in this PR?
Replace an assert with an if statement.
Are there any user-facing changes?
Caller receives an error instead of a panic.