Optional
When true (the default), extract the value as text/scalar (the ->>-equivalent). When false, extract as a JSON-typed sub-value (the ->-equivalent), where the dialect distinguishes the two.
->>
->
When true (the default), extract the value as text/scalar (the
->>-equivalent). When false, extract as a JSON-typed sub-value (the->-equivalent), where the dialect distinguishes the two.