sql 来自https://coderwall.com/p/rjutgg/simple-postgresql-sql-to-generate-models-from-a-legacy-database

Posted 2021-05-14

SELECT 'rails generate scaffold '|| initcap(table_name) || ' ' || 
(select array_to_string(array(
    SELECT column_name || ':' || case 
        when data_type='timestamp without time zone' then 'timestamp' 
        when data_type='character varying'then 'string' 
        else data_type end 
    FROM information_schema.columns 
    WHERE table_schema = 'public' and table_name = table_name order by column_name ), ' ') ) 
    FROM information_schema.tables WHERE table_schema='public'