Hey Guys please help I have Approval model, and i want to calculate the sum of total prices of the procedures based on the company and procedure type in each Approval *https://www.ppaste.org/pwhJ6u7Dg* <https://l.facebook.com/l.php?u=https%3A%2F%2Fwww.ppaste.org%2FpwhJ6u7Dg%3Ffbclid%3DIwAR3Wu__vdSuHZlM-WovIRnu4iZev3CZkAse4gbnRgg7mRfGmSjY-CfMryGI&h=AT3IjedAz0UphAKLzglahek8NdncNwA2AW6rg2SLFHtH8g5DooEWvXxfJMGzpQ5mIqgArosI1h14VyVc745o6AxSrc8Ux4HRbcd-1QAcpBDhqgCLrjlO33HgHByWBOJzlA&__tn__=-UK-R&c[0]=AT2xYYcCLxTGsrZRimyXAfL-pXL9iJi7Ig-XghsLiOmV_I5NXbMV_6FVa6STstYYTcpLKIyv2P4nx5FghviTaSMEr0zEtGHvWWnWsE9sdHJ1jTlipbPH4lcNIFyFL6etEfdHhvStCTqYQHAWpFQGH_2p0nCPwiVijHg8VFXBi-K8eUWkWuanx5bNT-tQLWVAB-Dl3ZA99xvHtw> now i want to get all the prices and .aggregate(Sum('price'))['price__sum']) to get the sum of all prices of the approvals i have. the raw sql for postgresql and if my app is called main is : now how can i change this sql to django ORM, in the documentation i read about select_related(), and F(), but i dunno how to use it in this case
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