Added union type support in arrow feature #280
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Swoorup
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Moved to #337 |
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This adds an MVP support for union types for use in appender via arrows.
The insertion works fine currently for primitive and string types (more types can be added in the future).
However the retrieval is failing, possibly due to duckdb/duckdb#11326 ?
ok: CDataInterface("The datatype \"Union([(0, Field { name: \"num\", data_type: Int32, nullable: true, dict_id: 0, dict_is_ordered: false, metadata: {} }), (1, Field { name: \"str\", data_type: Utf8, nullable: true, dict_id: 0, dict_is_ordered: false, metadata: {} })], Sparse)\" expects 1 buffer, but requested 1. Please verify that the C data interface is correctly implemented.")Thanks @Tishj for giving me pointers.