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A comment on The surprisingly difficult problem of user-defined order in SQL. Parent comment

Re:The surprisingly difficult problem of user-defined order ... by jjgreen on Saturday January 16, 2021 @06:15AM (#25801547)
This is interesting, when you say arrays, do you mean an array column-type? More details (or links) would be appeciated.
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Re:The surprisingly difficult problem of user-defined order ... by _3u10 on Wednesday January 20, 2021 @09:26PM (#25854591)
Array column type, use unnest to create a table that can be right? joined to the un-nested array. https://www.postgresql.org/docs/13/functions-array.html
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