27 lines
1.1 KiB
SQL
27 lines
1.1 KiB
SQL
-- CreateTable
|
|
CREATE TABLE "UserSubscription" (
|
|
"followerId" INTEGER NOT NULL,
|
|
"followeeId" INTEGER NOT NULL,
|
|
"created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
|
|
|
CONSTRAINT "UserSubscription_pkey" PRIMARY KEY ("followerId","followeeId")
|
|
);
|
|
|
|
-- CreateIndex
|
|
CREATE INDEX "UserSubscription.created_at_index" ON "UserSubscription"("created_at");
|
|
|
|
-- CreateIndex
|
|
CREATE INDEX "UserSubscription.follower_index" ON "UserSubscription"("followerId");
|
|
|
|
-- CreateIndex
|
|
CREATE INDEX "UserSubscription.followee_index" ON "UserSubscription"("followeeId");
|
|
|
|
-- AddForeignKey
|
|
ALTER TABLE "UserSubscription" ADD CONSTRAINT "UserSubscription_followerId_fkey" FOREIGN KEY ("followerId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
|
|
|
|
-- AddForeignKey
|
|
ALTER TABLE "UserSubscription" ADD CONSTRAINT "UserSubscription_followeeId_fkey" FOREIGN KEY ("followeeId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
|
|
|
|
-- Can't follow yourself
|
|
ALTER TABLE "UserSubscription" ADD CONSTRAINT "UserSubscription_no_follow_self" CHECK ("followerId" <> "followeeId");
|