-- 创建序列
CREATE SEQUENCE IF NOT EXISTS "virtual_order_cards_partition_id_seq"
    INCREMENT 1
    MINVALUE 1
    MAXVALUE 2147483647 START 1
    CACHE 1;

-- 创建主表
CREATE TABLE "virtual_order_cards_partition" (
    "id" int4 NOT NULL DEFAULT nextval('virtual_order_cards_partition_id_seq'::regclass),
    "type" int2 NOT NULL DEFAULT 0,
    "sim" int8 NOT NULL DEFAULT 0,
    "order_id" int4 NOT NULL DEFAULT 0,
    "company_id" int4 NOT NULL DEFAULT 0,
    "package_id" int4 NOT NULL DEFAULT 0,
    "counts" int4 NOT NULL DEFAULT 1,
    "created_at" timestamp(0),
    "updated_at" timestamp(0),
    "deleted_at" timestamp(0))
PARTITION BY
    LIST (
        "type"
);

-- 序列
ALTER SEQUENCE "virtual_order_cards_partition_id_seq" OWNED BY "virtual_order_cards_partition"."id";

-- 备注
COMMENT ON COLUMN "virtual_order_cards_partition"."id" IS '关联表ID';
COMMENT ON COLUMN "virtual_order_cards_partition"."type" IS '订单类型（0:基础套餐 1:套餐续费 2：续费包 3:加油包 4:可选包 5:附加包）';
COMMENT ON COLUMN "virtual_order_cards_partition"."sim" IS 'SIM卡号';
COMMENT ON COLUMN "virtual_order_cards_partition"."order_id" IS '订单ID';
COMMENT ON COLUMN "virtual_order_cards_partition"."company_id" IS '企业ID';
COMMENT ON COLUMN "virtual_order_cards_partition"."package_id" IS '套餐ID';
COMMENT ON COLUMN "virtual_order_cards_partition"."counts" IS '数量';
COMMENT ON TABLE "virtual_order_cards_partition" IS 'VD卡关联套餐订单';

-- 分区表
CREATE TABLE virtual_order_cards PARTITION OF virtual_order_cards_partition FOR VALUES IN (0);
CREATE TABLE virtual_order_renewal_cards PARTITION OF virtual_order_cards_partition FOR VALUES IN (1);
CREATE TABLE virtual_order_renewal_package_cards PARTITION OF virtual_order_cards_partition FOR VALUES IN (2);
CREATE TABLE virtual_order_flows_package_cards PARTITION OF virtual_order_cards_partition FOR VALUES IN (3);

-- 唯一索引
CREATE UNIQUE INDEX "virtual_order_cards_order_id_sim_deleted_at_unique" ON "virtual_order_cards" (order_id, sim, COALESCE(deleted_at, '1970-01-01 08:00:00'::timestamp));
CREATE UNIQUE INDEX "virtual_order_renewal_cards_order_id_sim_deleted_at_unique" ON "virtual_order_renewal_cards" (order_id, sim, COALESCE(deleted_at, '1970-01-01 08:00:00'::timestamp));
CREATE UNIQUE INDEX "virtual_order_renewal_package_cards_order_id_sim_deleted_at_unique" ON "virtual_order_renewal_package_cards" (order_id, sim, COALESCE(deleted_at, '1970-01-01 08:00:00'::timestamp));
CREATE UNIQUE INDEX "virtual_order_flows_package_cards_order_id_sim_deleted_at_unique" ON "virtual_order_flows_package_cards" (order_id, sim, COALESCE(deleted_at, '1970-01-01 08:00:00'::timestamp));

-- 服务周期索引
CREATE INDEX "virtual_order_cards_timelines_index" ON "virtual_order_cards" USING GIN (timelines_array(sim));
CREATE INDEX "virtual_order_renewal_cards_timelines_index" ON "virtual_order_renewal_cards" USING GIN (timelines_array(sim));
CREATE INDEX "virtual_order_renewal_package_cards_timelines_index" ON "virtual_order_renewal_package_cards" USING GIN (timelines_array(sim));
CREATE INDEX "virtual_order_flows_package_cards_index" ON "virtual_order_flows_package_cards" USING GIN (timelines_array(sim));

-- 增删改卡表时更新索引
CREATE OR REPLACE FUNCTION REINDEX_TIMELINES ()
    RETURNS TRIGGER
AS $$
BEGIN
    IF (TG_OP = 'INSERT') THEN
        UPDATE vd.virtual_order_cards_partition SET updated_at = CURRENT_TIMESTAMP WHERE virtual_order_cards_partition.sim = NEW.sim;
    ELSIF (TG_OP = 'UPDATE') THEN
        UPDATE vd.virtual_order_cards_partition SET updated_at = CURRENT_TIMESTAMP WHERE virtual_order_cards_partition.sim = NEW.sim;
    ELSIF (TG_OP = 'DELETE') THEN
        UPDATE vd.virtual_order_cards_partition SET updated_at = CURRENT_TIMESTAMP WHERE virtual_order_cards_partition.sim = OLD.sim;
    END IF;

    RETURN NULL;
END;
$$
LANGUAGE plpgsql;

DROP TRIGGER IF EXISTS REINDEX_TIMELINES ON cards;

CREATE TRIGGER "reindex_timelines" AFTER INSERT
OR UPDATE OF "virtual_activated_at"
OR DELETE
ON cards
FOR EACH ROW
EXECUTE PROCEDURE REINDEX_TIMELINES ();

-- 优化多核心建立索引
ALTER TABLE virtual_order_cards SET (parallel_workers = 4);
ALTER TABLE virtual_order_renewal_cards SET (parallel_workers = 4);
ALTER TABLE virtual_order_renewal_package_cards SET (parallel_workers = 4);
ALTER TABLE virtual_order_flows_package_cards SET (parallel_workers = 4);
SET max_parallel_maintenance_workers TO 4;
SET maintenance_work_mem TO '2GB';