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[Java][Dataset] Allow passing empty columns for projection #18733

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asfimport opened this issue Jul 5, 2021 · 1 comment
Closed

[Java][Dataset] Allow passing empty columns for projection #18733

asfimport opened this issue Jul 5, 2021 · 1 comment
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Component: Java Type: enhancement
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6.0.0

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@asfimport
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Projecting on empty columns (functionally like a pure metadata query on source of data) was supported in C++ Dataset API in ARROW-11174. This is to align Java API's behavior within C++.

Reporter: Hongze Zhang / @zhztheplayer
Assignee: Hongze Zhang / @zhztheplayer

PRs and other links:

Note: This issue was originally created as ARROW-13257. Please see the migration documentation for further details.
@asfimport
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Micah Kornfield / @emkornfield:
Issue resolved by pull request 10652
#10652

@asfimport asfimport added this to the 6.0.0 milestone Jan 11, 2023
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Component: Java Type: enhancement
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@asfimport