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Partitioned Inner Buffer と OUTER-JOIN #833

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kaigai opened this issue Oct 15, 2024 · 1 comment
Open

Partitioned Inner Buffer と OUTER-JOIN #833

kaigai opened this issue Oct 15, 2024 · 1 comment
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feature developer considers it is the feature to be supported on the future version
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@kaigai
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kaigai commented Oct 15, 2024

現状、RIGHT OUTERはCPU Fallbackを利用して実行するという建付け。

しかし、Partitioned Inner Bufferを使うほど巨大なテーブルなら
⇒ Outer Join Mapを見て回るのも結構大変。

Inner-Join同様にCPU Fallbackを出さない前提なら、GPU側でRIGHT OUTERもやるべき。

@kaigai kaigai added the feature developer considers it is the feature to be supported on the future version label Oct 15, 2024
@kaigai kaigai added this to the v5.3 milestone Oct 15, 2024
@kaigai
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kaigai commented Oct 19, 2024

いや、そもそもPinned Inner BufferとRIGHT OUTER JOINは併用不可だった(現状)
CPU-Fallbackのない状況なら、単にOUTER側をNULL設定するJOINを実行すればよいだけ。

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