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PostgreSQL aggregate JSON recordset keys by row
--PostgreSQL 9.6 --'\\' is a delimiter select version() as postgresql_version; create table jsontable ( id integer, data json ); INSERT INTO jsontable VALUES (1, '[{"a": 1, "b": 2}, {"a": 3, "b":2}]'); INSERT INTO jsontable VALUES (2, '[{"a": 5, "b": 8}, {"a": 9, "b":0}]'); select * from jsontable;
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