On Monday, September 17, 2018, Ben Uphoff <buph...@villagemd.com> wrote: > > SELECT (((mytable.ajsonbcolumn -> ‘somedata’::text) -> ‘nested’::text) ->> > ‘first_name’::text) AS fname FROM mytable > > It’s casting the untyped literal constants (somedata, neated, first_name) to text because everything must be typed. It is not casting the first or intermediate jsonb results to text. The final output is text because of the ->> operator.
:: binds more tightly than the other operators. Jsonb->('somedata'::text) David J.