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shmdt/rails-jsonb-queries

Forked from mankind/rails-jsonb-queries
Created April 11, 2018 06:57
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  1. @mankind mankind revised this gist Feb 9, 2017. 1 changed file with 3 additions and 0 deletions.
    3 changes: 3 additions & 0 deletions rails-jsonb-queries
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    Original file line number Diff line number Diff line change
    @@ -1,3 +1,6 @@
    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)

  2. @mankind mankind created this gist Feb 9, 2017.
    36 changes: 36 additions & 0 deletions rails-jsonb-queries
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    #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")
    Segment.where("data->'interest' ? :value", value: "movies")
    Segment.where("data -> 'interest' ? :value", value: ['programming'])

    data: {"customers"=>[{:name=>"david"}]}
    Segment.where("data #> '{customers,0}' ->> 'name' = 'david' ")
    Segment.where("data @> ?", {"customers": [{"name": "david"}]}.to_json)
    Segment.where("data -> 'customers' @> '[{\"name\": \"david\"}]'")
    Segment.where(" data -> 'customers' @> ?", [{name: "david"}].to_json)

    #data: {"uid"=>"5", "blog"=>"recode"}
    Segment.where("data @> ?", {uid: '5'}.to_json)
    Segment.where("data ->> 'blog' = 'recode'")
    Segment.where("data ->> 'blog' = ?", "recode")
    Segment.where("data ? :key", :key => 'uid')
    Segment.where("data -> :key LIKE :value", :key => 'blog, :value => "%recode%")

    #tags: ["dele, jones", "solomon"]
    # get a single tag
    #Segment.where("'solomon' = ANY (tags)")
    # which segments are tagged with 'solomon'
    Segment.where('? = ANY (tags)', 'solomon')
    # which segments are not tagged with 'solomon'
    Segment.where('? != ALL (tags)', 'solomon')
    # or
    Segment.where('NOT (? = ANY (tags))', 'solomon')
    #multiple tags
    Segment.where("tags @> ARRAY[?]::varchar[]", ["dele, jones", "solomon"])
    # tags with 3 items
    Segment.where("array_length(tags, 1) >= 3")