nevi-me opened a new pull request #511:
URL: https://github.com/apache/arrow-rs/pull/511
# Which issue does this PR close?
Closes #385.
# Rationale for this change
While investigating #385, I noticed that there was a discrepancy between the
max definitions calculated in `parquet::arrow::levels.` and what the parquet
type system emits. So I kept digging, and found that my interpretation of the
rules had errors.
- non-null primitive should have def = 0, was misinterpreting the spec
- list increments 1 if not null, or 2 if null
This fixes these issues, and updates the tests
# What changes are included in this PR?
Described above
# Are there any user-facing changes?
No
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