First version

prisma/migrations/20231205214145_add_group_to_expenses/migration.sql

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+/*
+  Warnings:
+
+  - Added the required column `groupId` to the `Expense` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "Expense" ADD COLUMN     "groupId" TEXT NOT NULL;
+
+-- AddForeignKey
+ALTER TABLE "Expense" ADD CONSTRAINT "Expense_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "Group"("id") ON DELETE RESTRICT ON UPDATE CASCADE;