Method: Sequel::Postgres::JSONDatabaseMethods.parse_json

Defined in:
lib/sequel/extensions/pg_json.rb

.parse_json(s) ⇒ Object

Parse the given string as json, returning either a JSONArray or JSONHash instance, and raising an error if the JSON parsing does not yield an array or hash.



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# File 'lib/sequel/extensions/pg_json.rb', line 116

def self.parse_json(s)
  begin
    value = Sequel.parse_json(s)
  rescue Sequel.json_parser_error_class => e
    raise Sequel.convert_exception_class(e, Sequel::InvalidValue)
  end

  case value
  when Array
    JSONArray.new(value)
  when Hash 
    JSONHash.new(value)
  else
    raise Sequel::InvalidValue, "unhandled json value: #{value.inspect} (from #{s.inspect})"
  end
end