関連ワード:  function jsonb_array_elements(json) does not exist    function jsonb_array_elements json does not exist    error function jsonb_array_elements json does not exist    function jsonb_array_elements_text(json) does not exist    postgresql function json_array_elements jsonb does not exist    functions in json    features of json except  
結果 : function jsonb_array_elements(json) does not exist