Sarah Gilmore created ARROW-15554:
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Summary: [Format][C++] Add "LargeMap" type with 64-bit offsets
Key: ARROW-15554
URL: https://issues.apache.org/jira/browse/ARROW-15554
Project: Apache Arrow
Issue Type: Improvement
Components: C++, Format
Reporter: Sarah Gilmore
It would be nice if a "LargeMap" type existed along side the "Map" type for
parity. For other datatypes that require offset arrays/buffers, such as String,
List, BinaryArray, provides a "large" version of these types, i.e. LargeString,
LargeList, and LargeBinaryArray. It would be nice to have a "LargeMap" for
parity.
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