ALTER TABLE `geo_stat` DROP COLUMN `period_start`;--> statement-breakpoint
ALTER TABLE `geo_stat` DROP COLUMN `period_end`;--> statement-breakpoint
ALTER TABLE `model_stat` DROP COLUMN `period_start`;--> statement-breakpoint
ALTER TABLE `model_stat` DROP COLUMN `period_end`;--> statement-breakpoint
ALTER TABLE `provider_stat` DROP COLUMN `period_start`;--> statement-breakpoint
ALTER TABLE `provider_stat` DROP COLUMN `period_end`;