prisma/migrations/09_update_hostname_region/migration.sql


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-- AlterTable
ALTER TABLE "website_event" ADD COLUMN     "hostname" VARCHAR(100);

-- DataMigration
UPDATE "website_event" w
SET hostname = s.hostname
FROM "session" s
WHERE s.website_id = w.website_id
    and s.session_id = w.session_id;

-- DropIndex
DROP INDEX IF EXISTS "session_website_id_created_at_hostname_idx";
DROP INDEX IF EXISTS "session_website_id_created_at_subdivision1_idx";

-- AlterTable
ALTER TABLE "session" RENAME COLUMN "subdivision1" TO "region";
ALTER TABLE "session" DROP COLUMN "subdivision2";
ALTER TABLE "session" DROP COLUMN "hostname";

-- CreateIndex
CREATE INDEX "website_event_website_id_created_at_hostname_idx" ON "website_event"("website_id", "created_at", "hostname");
CREATE INDEX "session_website_id_created_at_region_idx" ON "session"("website_id", "created_at", "region");