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CAST behavior inconsistent between Mimir and Spark #364

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okennedy opened this issue Jan 3, 2020 · 0 comments
Open
2 tasks

CAST behavior inconsistent between Mimir and Spark #364

okennedy opened this issue Jan 3, 2020 · 0 comments
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@okennedy
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okennedy commented Jan 3, 2020

The following query behaves differently depending on whether CAST is evaluated in Mimir or in Spark.

SELECT CAST('.' AS int)

In Mimir it returns NULL, while in Spark it returns 0.

  • Short-term fix: Make Mimir cast '.' to 0.
  • Long-term fix: Switch over to Spark's cast operation directly.
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