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Cloud Spanner Query Optimizer #132

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apstndb opened this issue Apr 27, 2020 · 0 comments

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oshi

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apstndb commented Apr 27, 2020

Cloud Spanner Query Optimizer

Document Link

https://cloud.google.com/spanner/docs/query-optimizer/overview?hl=en
https://cloud.google.com/spanner/docs/query-optimizer/manage-query-optimizer?hl=en

好きなところ

@{OPTIMIZER_VERSION=...} Statement Hint として設定可能なところ
各バージョンでの更新内容がドキュメンテーションされているところ

ユースケース (optional)

以前は最適化されなかったけど今では最適化されるからこれからは書き方をして良い、という話をしやすくなった。

更に欲しい機能 (optional)

各最適化についてテストケースを用意してほしい。

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apstndb added the oshi label

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