Is it possible to auto-increment inside PostgreSQL's new JSON type using just SQL (like serial) and not server code?
PostgreSQL Auto-increment inside a JSON
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I can't really imagine why you'd want to, but sure.
Note that with this particular formulation it's the string
"1"
not the number1
in the json. You might want to form the json object another way if you want to avoid that. This is just an example.