-- CreateTable CREATE TABLE `power_metrics` ( `id` BIGINT NOT NULL AUTO_INCREMENT, `node_id` BIGINT NOT NULL, `packet_id` BIGINT NULL, `ch1_voltage` DECIMAL(65, 30) NULL, `ch1_current` DECIMAL(65, 30) NULL, `ch2_voltage` DECIMAL(65, 30) NULL, `ch2_current` DECIMAL(65, 30) NULL, `ch3_voltage` DECIMAL(65, 30) NULL, `ch3_current` DECIMAL(65, 30) NULL, `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), INDEX `power_metrics_created_at_idx`(`created_at`), INDEX `power_metrics_updated_at_idx`(`updated_at`), INDEX `power_metrics_node_id_idx`(`node_id`), INDEX `power_metrics_packet_id_idx`(`packet_id`), PRIMARY KEY (`id`) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;