Adding the option to convert bidirectionally between map type (Protobuf) to list of structs (Arrow).#124

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0x26res merged 16 commits into

tradewelltech:masterfrom

guillaume-rochette-oxb:feature/map_as_list_of_structs

Apr 28, 2026

Commits on Apr 23, 2026

Added map_as_list_of_structs field to ProtarrowConfig.
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Updated field_descriptor_to_field() to cast maps as lists of structs.
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Updated _proto_map_to_array() to cast maps as lists of structs.
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Added MapAsListOfStructsConverterAdapter class and updated _proto_map_to_array() to cast maps as lists of structs.
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Updated _cast_array() to cast maps as lists of structs.
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Updated _extract_map_field() to cast maps as lists of structs.
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Added `map_as_list_of_structs=True` to the configs.
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Using `Union[X, Y]`` instead of `X | Y` for compatibility with Python 3.9.
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Fixed potentially un-initialized variables.
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Added missing test for MapAsListOfStructsConverterAdapter.
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Fixed assert.
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Commits on Apr 28, 2026

Renamed variables to more suitable names.
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