BEGIN;
ALTER TABLE "announcements" ADD COLUMN "revision" INTEGER NOT NULL DEFAULT 1,
 ADD COLUMN "editedAt" TIMESTAMP(3), ADD COLUMN "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP, ADD COLUMN "emailReady" BOOLEAN NOT NULL DEFAULT true;
UPDATE "announcements" SET "updatedAt" = "createdAt";
CREATE INDEX "announcements_kitaId_updatedAt_idx" ON "announcements"("kitaId", "updatedAt");
CREATE TABLE "announcement_emails" (
 "id" TEXT NOT NULL, "kitaId" TEXT NOT NULL, "announcementId" TEXT NOT NULL, "userId" TEXT NOT NULL,
 "revision" INTEGER NOT NULL, "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
 "nextAttemptAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP, "attempts" INTEGER NOT NULL DEFAULT 0,
 "leaseUntil" TIMESTAMP(3), "claimToken" TEXT, "sentAt" TIMESTAMP(3), "skippedAt" TIMESTAMP(3),
 "failed" BOOLEAN NOT NULL DEFAULT false, "lastError" TEXT,
 CONSTRAINT "announcement_emails_pkey" PRIMARY KEY ("id"),
 CONSTRAINT "announcement_emails_revision_check" CHECK ("revision" > 0)
);
CREATE UNIQUE INDEX "announcement_emails_announcementId_revision_userId_key" ON "announcement_emails"("announcementId", "revision", "userId");
CREATE INDEX "announcement_emails_kitaId_announcementId_revision_idx" ON "announcement_emails"("kitaId", "announcementId", "revision");
CREATE INDEX "announcement_emails_sentAt_skippedAt_nextAttemptAt_idx" ON "announcement_emails"("sentAt", "skippedAt", "nextAttemptAt");
ALTER TABLE "announcement_emails" ADD CONSTRAINT "announcement_emails_kitaId_fkey" FOREIGN KEY ("kitaId") REFERENCES "kitas"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "announcement_emails" ADD CONSTRAINT "announcement_emails_announcementId_fkey" FOREIGN KEY ("announcementId") REFERENCES "announcements"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "announcement_emails" ADD CONSTRAINT "announcement_emails_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "announcement_emails" ADD CONSTRAINT "announcement_emails_announcementId_tenant_fkey" FOREIGN KEY ("announcementId", "kitaId") REFERENCES "announcements"("id", "kitaId") ON DELETE NO ACTION ON UPDATE NO ACTION;
ALTER TABLE "announcement_emails" ADD CONSTRAINT "announcement_emails_userId_tenant_fkey" FOREIGN KEY ("userId", "kitaId") REFERENCES "users"("id", "kitaId") ON DELETE NO ACTION ON UPDATE NO ACTION;
COMMIT;