Read nested Parquet 2-level lists correctly #6757
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Which issue does this PR close?
Closes #6756.
Rationale for this change
See issue.
What changes are included in this PR?
Modifies both the arrow and record readers to check for nested lists before triggering the rule that repeated groups named "array" are treated as
list<OneTuple>.Are there any user-facing changes?
Changes the interpretation of some legacy schemas.