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並前往https://www.postgresql.eu/events/pgconfeu2017/sessions/session/1635/slides/36/sqljson-pgconf.eu-2017.pdf

sqljson-pgconf.eu-2017.pdf

1) JSONB is a «black box» for SQL, no good query language. ... JSON_ARRAYAGG - aggregates values as JSON[b] array. • json[b]_agg().

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