How json and jsonb columns decode into structs. Layers of these (connection, query)
merge; INHERIT defers to the layer below.
Fields
- unknown_fields: := Json_Unknown_Fields.INHERIT
- missing_fields: := Json_Missing_Fields.INHERIT
- duplicate_keys: := Json_Duplicate_Keys.INHERIT
- max_depth: := 256
- nesting of arrays and objects
- max_size: := 1 << 30
- bytes of text