Fix inconsistent behaviour across adapters with read types and "create" command#432
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flash-gordon merged 2 commits intorom-rb:release-3.7from Feb 15, 2026
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These CI failures look weird. Did my changes cause them? |
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@flash-gordon should fixes like this target |
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@katafrakt yes, please, change the base! |
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Similarily to what Update command do, use `dataset` to load the tuple after `insert` in Create command. This way it loads "raw" data, without applying read types yet. So when tuples are passed into `finalize` hook, it can properly apply these read types.
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@flash-gordon done |
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During the investigation for #423 I discovered that for SQLite and MySQL (or basically for everything aside from PostgreSQL) the read types are applied twice. This works well if the read type allows it, but if it does not, it fails for these adapters, making behaviour between adapter inconsistent.
The solution here is to use
relation.dataset.whereinstead ofrelation.wherein default implementation ofinsertmethod ofCreatecommand.relation.wherealready applies the read types on materialization, whilerelation.dataset.wheredoes not. This is also consistent with howUpdatecommand behaves.With that in place, we always call
finalizeon "raw" data from the database, avoiding double application of a read type.The PR consists of two commits. First one just adds tests replicating the problem. The second one just changes the code.