ALTER TABLE "issue_thread_interactions" ADD COLUMN IF NOT EXISTS "idempotency_key" text;--> statement-breakpoint CREATE UNIQUE INDEX IF NOT EXISTS "issue_thread_interactions_company_issue_idempotency_uq" ON "issue_thread_interactions" USING btree ("company_id","issue_id","idempotency_key") WHERE "issue_thread_interactions"."idempotency_key" IS NOT NULL;