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Wes McKinney commented on ARROW-3978:
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Moving out of 0.14.0, but don't let that stop anyone from
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Francois Saint-Jacques commented on ARROW-3978:
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ClickHouse also uses the pivot method, see
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Jacques Nadeau commented on ARROW-3978:
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Here is some info about what we found worked well. Note
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Wes McKinney commented on ARROW-3978:
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There's different approaches. You might want to look at what
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Antoine Pitrou commented on ARROW-3978:
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To implement this efficiently, we would need to split the
