GH-607: Specify handling for unrecognized logical types - #606
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Rationale for this change
We currently do not specify how readers should handle unrecognized logical types or logical/physical type combinations.
What changes are included in this PR?
Specify that unrecognized logical types or logical/physical type combinations should result in both the logical type annotation and stats being ignored.
Do these changes have PoC implementations?
parquet-java reference implementation
Closes #607