More info in the blog post.
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| class Hash | |
| def to_underscore | |
| convert_keys(self, :underscore) | |
| end | |
| def to_camel_case | |
| convert_keys(self, :camelize, :lower) | |
| end | |
| def to_underscore! |
mankind
/ rails-jsonb-queries
Last active
May 3, 2025 05:37
Ruby on Rails-5 postgresql-9.6 jsonb queries
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| http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query | |
| http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails | |
| #payload: [{"kind"=>"person"}] | |
| Segment.where("payload @> ?", [{kind: "person"}].to_json) | |
| #data: {"interest"=>["music", "movies", "programming"]} | |
| Segment.where("data @> ?", {"interest": ["music", "movies", "programming"]}.to_json) | |
| Segment.where("data #>> '{interest, 1}' = 'movies' ") | |
| Segment.where("jsonb_array_length(data->'interest') > 1") |
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