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Add comment on relevance of order for Queryable #3376

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@pinpox pinpox commented Oct 19, 2022

As suggested by @weiznich over on Matrix

@weiznich weiznich requested a review from a team October 19, 2022 14:00
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Ten0 commented Oct 19, 2022

This looks like an sqlite-specialized example. Do we have equivalents for the other backends? If that's the case we probably want to add this comment here as well no?

@weiznich
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Thanks for opening this PR 👍

The relevant examples for are here for mysql and here for postgresql. I agree that we should add the comment there as well.

The CI currently fails due to a change in clap. That's unrelated to this PR. I pushed a fix for that here, but that's not merged to master yet.

@@ -1,5 +1,8 @@
use diesel::prelude::*;

// Order matters here!
// Queryable assumes that the order of field on the struct matches the columns in the corresponding table.
// See https://docs.diesel.rs/diesel/deserialize/trait.Queryable.html#derivingfor details
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We should point to the current documentation, instead to the old diesel 1.4 documentation here.

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// See https://docs.diesel.rs/diesel/deserialize/trait.Queryable.html#derivingfor details
// See https://docs.diesel.rs/master/diesel/deserialize/derive.Queryable.html for details

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Looks good to me so long as this is changed!

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5 participants