浅谈Django学习migrate和makemigrations的差别

BEGIN;CREATE TABLE "polls_choice" (  "id" serial NOT NULL PRIMARY KEY,  "choice_text" varchar(200) NOT NULL,  "votes" integer NOT NULL);CREATE TABLE "polls_question" (  "id" serial NOT NULL PRIMARY KEY,  "question_text" varchar(200) NOT NULL,  "pub_date" timestamp with time zone NOT NULL);ALTER TABLE "polls_choice" ADD COLUMN "question_id" integer NOT NULL;ALTER TABLE "polls_choice" ALTER COLUMN "question_id" DROP DEFAULT;CREATE INDEX "polls_choice_7aa0f6ee" ON "polls_choice" ("question_id");ALTER TABLE "polls_choice" ADD CONSTRAINT "polls_choice_question_id_246c99a640fbbd72_fk_polls_question_id"  FOREIGN KEY ("question_id")  REFERENCES "polls_question" ("id")  DEFERRABLE INITIALLY DEFERRED;COMMIT;