feat: tables for course

migrations/1715862217496_alter_table_public_share_course_alter_column_year/down.sql

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+alter table "public"."share_course" alter column "year" set default '2000';

migrations/1715862217496_alter_table_public_share_course_alter_column_year/up.sql

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+ALTER TABLE "public"."share_course" ALTER COLUMN "year" drop default;

migrations/1715862389376_rename_table_public_share_course/down.sql

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+alter table "public"."course" rename to "share_course";

migrations/1715862389376_rename_table_public_share_course/up.sql

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+alter table "public"."share_course" rename to "course";

migrations/1715862553637_create_table_public_course_manager/down.sql

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+DROP TABLE "public"."course_manager";

migrations/1715862553637_create_table_public_course_manager/up.sql

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+CREATE TABLE "public"."course_manager" ("user" uuid NOT NULL, PRIMARY KEY ("user") , FOREIGN KEY ("user") REFERENCES "public"."users"("uuid") ON UPDATE restrict ON DELETE cascade, UNIQUE ("user"));COMMENT ON TABLE "public"."course_manager" IS E'课程共享平台的管理员';

migrations/1715863435652_create_table_public_course_info/down.sql

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+DROP TABLE "public"."course_info";

migrations/1715863435652_create_table_public_course_info/up.sql

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+CREATE TABLE "public"."course_info" ("course_id" uuid NOT NULL, "key" text NOT NULL, "value" text, PRIMARY KEY ("course_id","key") , FOREIGN KEY ("course_id") REFERENCES "public"."course"("uuid") ON UPDATE restrict ON DELETE cascade);COMMENT ON TABLE "public"."course_info" IS E'课程信息键值对表，对manager开放编辑';

migrations/1715863956306_create_table_public_course_comment/down.sql

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+DROP TABLE "public"."course_comment";

migrations/1715863956306_create_table_public_course_comment/up.sql

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+CREATE TABLE "public"."course_comment" ("uuid" uuid NOT NULL DEFAULT gen_random_uuid(), "course" uuid NOT NULL, "user" uuid NOT NULL, "comment" text NOT NULL, "created_at" timestamptz NOT NULL DEFAULT now(), PRIMARY KEY ("uuid") , FOREIGN KEY ("course") REFERENCES "public"."course"("uuid") ON UPDATE restrict ON DELETE cascade, FOREIGN KEY ("user") REFERENCES "public"."users"("uuid") ON UPDATE restrict ON DELETE cascade, UNIQUE ("uuid"));COMMENT ON TABLE "public"."course_comment" IS E'用户评论表';
+CREATE EXTENSION IF NOT EXISTS pgcrypto;

migrations/1715863998351_alter_table_public_course_info_alter_column_course_id/down.sql

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+alter table "public"."course_info" rename column "course" to "course_id";

migrations/1715863998351_alter_table_public_course_info_alter_column_course_id/up.sql

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+alter table "public"."course_info" rename column "course_id" to "course";

migrations/1715865468541_create_table_public_course_rating/down.sql

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+DROP TABLE "public"."course_rating";

migrations/1715865468541_create_table_public_course_rating/up.sql

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+CREATE TABLE "public"."course_rating" ("course" uuid NOT NULL, "user" uuid NOT NULL, "dim1" integer NOT NULL, "dim2" integer NOT NULL, "dim3" integer NOT NULL, "dim4" integer NOT NULL, "dim5" integer NOT NULL, "dim6" integer NOT NULL, "created_at" timestamptz NOT NULL DEFAULT now(), "updated_at" timestamptz NOT NULL DEFAULT now(), PRIMARY KEY ("course","user") , FOREIGN KEY ("course") REFERENCES "public"."course"("uuid") ON UPDATE restrict ON DELETE cascade, FOREIGN KEY ("user") REFERENCES "public"."users"("uuid") ON UPDATE restrict ON DELETE cascade);COMMENT ON TABLE "public"."course_rating" IS E'用户评分表';
+CREATE OR REPLACE FUNCTION "public"."set_current_timestamp_updated_at"()
+RETURNS TRIGGER AS $$
+DECLARE
+  _new record;
+BEGIN
+  _new := NEW;
+  _new."updated_at" = NOW();
+  RETURN _new;
+END;
+$$ LANGUAGE plpgsql;
+CREATE TRIGGER "set_public_course_rating_updated_at"
+BEFORE UPDATE ON "public"."course_rating"
+FOR EACH ROW
+EXECUTE PROCEDURE "public"."set_current_timestamp_updated_at"();
+COMMENT ON TRIGGER "set_public_course_rating_updated_at" ON "public"."course_rating" 
+IS 'trigger to set value of column "updated_at" to current timestamp on row update';

migrations/1715865744257_alter_table_public_course_rating_alter_column_dim1/down.sql

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+comment on column "public"."course_rating"."dim1" is NULL;

migrations/1715865744257_alter_table_public_course_rating_alter_column_dim1/up.sql

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+comment on column "public"."course_rating"."dim1" is E'任务量';

migrations/1715865756507_alter_table_public_course_rating_alter_column_dim2/down.sql

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+comment on column "public"."course_rating"."dim2" is NULL;

migrations/1715865756507_alter_table_public_course_rating_alter_column_dim2/up.sql

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+comment on column "public"."course_rating"."dim2" is E'内容难度';

migrations/1715865767848_alter_table_public_course_rating_alter_column_dim3/down.sql

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+comment on column "public"."course_rating"."dim3" is NULL;

migrations/1715865767848_alter_table_public_course_rating_alter_column_dim3/up.sql

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+comment on column "public"."course_rating"."dim3" is E'上课质量';

migrations/1715865788461_alter_table_public_course_rating_alter_column_dim4/down.sql

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+comment on column "public"."course_rating"."dim4" is NULL;

migrations/1715865788461_alter_table_public_course_rating_alter_column_dim4/up.sql

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+comment on column "public"."course_rating"."dim4" is E'收获感';

migrations/1715865799918_alter_table_public_course_rating_alter_column_dim5/down.sql

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+comment on column "public"."course_rating"."dim5" is NULL;

migrations/1715865799918_alter_table_public_course_rating_alter_column_dim5/up.sql

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+comment on column "public"."course_rating"."dim5" is E'给分好坏';

migrations/1715865812399_alter_table_public_course_rating_alter_column_dim6/down.sql

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+comment on column "public"."course_rating"."dim6" is NULL;

migrations/1715865812399_alter_table_public_course_rating_alter_column_dim6/up.sql

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+comment on column "public"."course_rating"."dim6" is E'考试作业讲课相关度';

migrations/1715865946838_alter_table_public_course_comment_alter_column_course/down.sql

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+alter table "public"."course_comment" rename column "course_id" to "course";

migrations/1715865946838_alter_table_public_course_comment_alter_column_course/up.sql

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+alter table "public"."course_comment" rename column "course" to "course_id";

migrations/1715865961801_alter_table_public_course_comment_alter_column_user/down.sql

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+alter table "public"."course_comment" rename column "user_uuid" to "user";

migrations/1715865961801_alter_table_public_course_comment_alter_column_user/up.sql

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+alter table "public"."course_comment" rename column "user" to "user_uuid";

migrations/1715865975726_alter_table_public_course_info_alter_column_course/down.sql

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+alter table "public"."course_info" rename column "course_id" to "course";

migrations/1715865975726_alter_table_public_course_info_alter_column_course/up.sql

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+alter table "public"."course_info" rename column "course" to "course_id";

migrations/1715865989663_alter_table_public_course_manager_alter_column_user/down.sql

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+alter table "public"."course_manager" rename column "user_uuid" to "user";

migrations/1715865989663_alter_table_public_course_manager_alter_column_user/up.sql

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+alter table "public"."course_manager" rename column "user" to "user_uuid";

migrations/1715866006997_alter_table_public_course_rating_alter_column_course/down.sql

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+alter table "public"."course_rating" rename column "course_id" to "course";

migrations/1715866006997_alter_table_public_course_rating_alter_column_course/up.sql

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+alter table "public"."course_rating" rename column "course" to "course_id";

migrations/1715866021810_alter_table_public_course_rating_alter_column_user/down.sql

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+alter table "public"."course_rating" rename column "user_uuid" to "user";

migrations/1715866021810_alter_table_public_course_rating_alter_column_user/up.sql

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+alter table "public"."course_rating" rename column "user" to "user_uuid";