Mongoid Tree
Closure Tree
| Mongoid Tree | Closure Tree | |
|---|---|---|
| - | 2 | |
| 300 | 1,858 | |
| 0.0% | 0.2% | |
| 3.5 | 4.5 | |
| 8 months ago | 6 months ago | |
| Ruby | Ruby | |
| MIT License | MIT License |
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Mongoid Tree
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Tracking mentions began in Dec 2020.
Closure Tree
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Hierarchical Structures in PostgreSQL
I'm actually using materialized views and CTE with PhotoStructure (where hierarchies are arguably the cornerstone of the product).
It's pretty funny that I landed on this implementation, given that I spent a couple years building https://github.com/ClosureTree/closure_tree (one of the most popular acts-as-hierarchy ActiveRecord gems), as it (unsurprisingly) uses closure trees.
When CTE isn't available, closure trees are nice, but boy howdy, does that closure tree table get gigantic with deeper graphs.
If CTE is available, closure trees don't even come close in performance and simplicity.
(Hint: materialized paths should use a unique separator: ASCII 0x1F is applicable: https://en.wikipedia.org/wiki/C0_and_C1_control_codes#Field_...)
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Find all objects of a chain of associations on the same table
I’ve used this for that https://github.com/ClosureTree/closure_tree
What are some alternatives?
Awesome Nested Set - An awesome replacement for acts_as_nested_set and better_nested_set.
Ancestry - Organise ActiveRecord model into a tree structure
ActsAsTree - ActsAsTree -- Extends ActiveRecord to add simple support for organizing items into parent–children relationships.