Function parse_catalog_item_references 

fn parse_catalog_item_references<'a>(a: &'a str) -> Result<Jsonb, EvalError>

Extracts the catalog item references from a catalog create_sql string as a JSONB object.

• ids: array of catalog id strings from [<id> AS <name>] references.
• named_funcs: array of function references such as “pg_catalog”.“max”.
• named_types: array of type references such as “pg_catalog”.“int4”, exclusive from the ones in ids.
• named_relations: array of relation references, exclusive from the ones in ids.