add migrate

prisma/migrations/20240617015021_add_linkage/migration.sql

@@ -0,0 +1,28 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `user_id` on the `Task` table. All the data in the column will be lost.
+  - Added the required column `home_group_id` to the `Task` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "Task" DROP COLUMN "user_id",
+ADD COLUMN     "home_group_id" TEXT NOT NULL;
+
+-- CreateTable
+CREATE TABLE "TaskChildLinkage" (
+    "id" TEXT NOT NULL,
+    "task_id" TEXT NOT NULL,
+    "child_id" TEXT NOT NULL,
+
+    CONSTRAINT "TaskChildLinkage_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "Task" ADD CONSTRAINT "Task_home_group_id_fkey" FOREIGN KEY ("home_group_id") REFERENCES "HomeGroup"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TaskChildLinkage" ADD CONSTRAINT "TaskChildLinkage_task_id_fkey" FOREIGN KEY ("task_id") REFERENCES "Task"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TaskChildLinkage" ADD CONSTRAINT "TaskChildLinkage_child_id_fkey" FOREIGN KEY ("child_id") REFERENCES "Child"("id") ON DELETE RESTRICT ON UPDATE CASCADE;