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Postgres column doesn't roundtrip for type Maybe (Vector Text) #692

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roberth opened this issue Aug 27, 2023 · 0 comments
Open

Postgres column doesn't roundtrip for type Maybe (Vector Text) #692

roberth opened this issue Aug 27, 2023 · 0 comments
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@roberth
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roberth commented Aug 27, 2023

I have a table with

    labels :: Columnar f (Maybe (Vector Text))

Inserts work fine. Nothing and Just [] are distinct in the database, as expected.
However, queries return Just [] when they should Nothing.

This might be a problem with the FromBackendRow instance for Maybe and/or Vector.

Found on beam version 6b3e4c9
@tathougies tathougies added the bug label Oct 18, 2024
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