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apache / parquet-format

Apache Parquet Format
https://parquet.apache.org/
Apache License 2.0
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GH-468: Clarify MAP logical type #469

Closed gszadovszky closed 6 days ago

gszadovszky commented 2 weeks ago

Rationale for this change

The specification of the MAP logical type is unclear in some points and makes it hard for the implementations to properly identify and handle such structures.

What changes are included in this PR?

Extend the MAP specification to be more clear.

Do these changes have PoC implementations?

Not required

Closes #468

gszadovszky commented 1 week ago

@wgtmac, @etseidl, I think the current version is according to the results of the discussions. Could you double check and approve if so?