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first doesn't use loaded objects, it always queries #645

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smtlaissezfaire opened this issue Aug 18, 2016 · 1 comment
Open

first doesn't use loaded objects, it always queries #645

smtlaissezfaire opened this issue Aug 18, 2016 · 1 comment

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@smtlaissezfaire
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Notice this behavior on a has many proxy:

(byebug) self.messages.map(&:unread) [true] (byebug) self.messages.first.unread false

The first line uses the in-memory objects, while the second one reloads from the database.
@jamieorc
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jamieorc commented Mar 7, 2017

I noticed this the other day. It's definitely a needed optimization. [0] will not load from the db.

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@jamieorc @smtlaissezfaire