i found model allway query this sql: SHOW FIELDS FROM test_table if my code needn''t know table structure, how to remove it? -- Posted via http://www.ruby-forum.com/.
Joe Black wrote:> i found model allway query this sql: > > SHOW FIELDS FROM test_table > > if my code needn''t know table structure, how to remove it?ActiveRecord makes these queries to enable it to reflect your table structure in your model. In development, it keeps making these queries so that if you change the schema, the application will stay in line. In production it only reads the structure of each table once after application start. regards Justin