Johnny Cash Johnny Cash - 1 year ago 171
SQL Question

rails raw sql example

How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql.

@payments = PaymentDetail.joins(:project).order('payment_details.created_at desc')
@payment_errors = PaymentError.joins(:project).order('payment_errors.created_at desc')

@all_payments = (@payments + @payment_errors)

Huy Huy
Answer Source

You can do this:

sql = "Select * from ... your sql query here"
records_array = ActiveRecord::Base.connection.execute(sql)

records_array would then be the result of your sql query in an array which you can iterate through.

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