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How do I delete a fixed number of rows with sorting in PostgreSQL?
I'm trying to port some old MySQL queries to PostgreSQL, but I'm having trouble with this one:
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
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Include all existing fields and add new fields to document
... $project aggregation stage where I can instruct it to add a new field and include all existing fields, without having to list all the existing fields.
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