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A comment on New In Postgres 12: Generated Columns. Parent comment

Re:New In Postgres 12: Generated Columns by AhtiK on Wednesday October 02, 2019 @06:45AM (#21134997)
This JSON plucking is also much easier now with the json path expressions coming up in v12!
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Re:New In Postgres 12: Generated Columns by rattray on Wednesday October 02, 2019 @10:19AM (#21136712)
Can anyone share a link?
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Re:New In Postgres 12: Generated Columns by onion2k on Wednesday October 02, 2019 @10:26AM (#21136793)
https://www.postgresql.org/docs/12/functions-json.html
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