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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Logical type definition for parquet.variant in arrow-java","articleBody":"### Describe the enhancement requested\nParquet has added a new type for semi-structured data called Variant which is defined here:\n- Variant encoding spec: https://github.com/apache/parquet-format/blob/main/VariantEncoding.md\n- Variant shredding spec: https://github.com/apache/parquet-format/blob/main/VariantShredding.md\n\nThis ticket intended to track the Logical type definition first.\n\n### Background\nDiscussion about accepting the format: https://github.com/apache/arrow/issues/42069\n\nThe format has already been accepted: https://github.com/apache/arrow/issues/46908\n\nThe format has already been implemented in for example C++: https://github.com/apache/arrow/issues/45937\n","author":{"url":"https://github.com/tmater","@type":"Person","name":"tmater"},"datePublished":"2026-01-07T09:20:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/946/arrow-java/issues/946"}