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Reference ancestor_hierarchies in depth instead of ancestors #398

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Merged
merged 2 commits into from
Apr 11, 2023
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Reference ancestor_hierarchies in depth instead of ancestors #398

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Reference ancestor_hierarchies in depth instead of ancestors
weilandia Jun 2, 2022
117c79e
Update CHANGELOG.md
weilandia Apr 11, 2023
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -3,6 +3,7 @@
### 8.0.0

- Drop support to EOL ruby and rails
- Reference ancestor_hierarchies in depth instead of ancestors to avoid n+1

## [7.4.0](https://github.com/ClosureTree/closure_tree/tree/7.4.0)

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2 changes: 1 addition & 1 deletion lib/closure_tree/model.rb
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Expand Up @@ -77,7 +77,7 @@ def leaves
end

def depth
ancestors.size
ancestor_hierarchies.size
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This code actually changes the behavior ancestor_hierarchies includes the self and ancestors does not. So this increases the result by 1.

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should we just do ancestor_hierarchies - 1 ?

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I don't understand why this change is needed at all.

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@weilandia weilandia Jan 23, 2024 •
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This makes it so you can call depth on a node in a collection without an n+1 query (except it is off by 1 🤦).

Tag.includes(:ancestor_hierarchies).map(&:depth)

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@weilandia can you fix it and add a small test ? i will release a new version.

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#435

end

alias_method :level, :depth
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