-- =============================================================================
-- etl_feiqiu / meta（ETL 调度元数据）
-- 生成日期：2026-02-27
-- 来源：测试库（通过脚本自动导出）
-- =============================================================================

CREATE SCHEMA IF NOT EXISTS meta;

-- 序列
CREATE SEQUENCE IF NOT EXISTS meta.etl_cursor_cursor_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS meta.etl_run_run_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS meta.etl_task_task_id_seq AS bigint;

-- 表
CREATE TABLE meta.etl_cursor (
    cursor_id bigint DEFAULT nextval('meta.etl_cursor_cursor_id_seq'::regclass) NOT NULL,
    task_id bigint NOT NULL,
    store_id bigint NOT NULL,
    last_start timestamp with time zone,
    last_end timestamp with time zone,
    last_id bigint,
    last_run_id bigint,
    extra jsonb DEFAULT '{}'::jsonb,
    created_at timestamp with time zone DEFAULT now(),
    updated_at timestamp with time zone DEFAULT now()
);

CREATE TABLE meta.etl_run (
    run_id bigint DEFAULT nextval('meta.etl_run_run_id_seq'::regclass) NOT NULL,
    run_uuid text NOT NULL,
    task_id bigint NOT NULL,
    store_id bigint NOT NULL,
    status text NOT NULL,
    started_at timestamp with time zone DEFAULT now(),
    ended_at timestamp with time zone,
    window_start timestamp with time zone,
    window_end timestamp with time zone,
    window_minutes integer,
    overlap_seconds integer,
    fetched_count integer DEFAULT 0,
    loaded_count integer DEFAULT 0,
    updated_count integer DEFAULT 0,
    skipped_count integer DEFAULT 0,
    error_count integer DEFAULT 0,
    unknown_fields integer DEFAULT 0,
    export_dir text,
    log_path text,
    request_params jsonb DEFAULT '{}'::jsonb,
    manifest jsonb DEFAULT '{}'::jsonb,
    error_message text,
    extra jsonb DEFAULT '{}'::jsonb
);

CREATE TABLE meta.etl_task (
    task_id bigint DEFAULT nextval('meta.etl_task_task_id_seq'::regclass) NOT NULL,
    task_code text NOT NULL,
    store_id bigint NOT NULL,
    enabled boolean DEFAULT true,
    cursor_field text,
    window_minutes_default integer DEFAULT 30,
    overlap_seconds integer DEFAULT 600,
    page_size integer DEFAULT 200,
    retry_max integer DEFAULT 3,
    params jsonb DEFAULT '{}'::jsonb,
    created_at timestamp with time zone DEFAULT now(),
    updated_at timestamp with time zone DEFAULT now()
);

-- 约束（主键 / 唯一 / 外键）
ALTER TABLE meta.etl_cursor ADD CONSTRAINT etl_cursor_task_id_fkey FOREIGN KEY (task_id) REFERENCES meta.etl_task(task_id) ON DELETE CASCADE;
ALTER TABLE meta.etl_cursor ADD CONSTRAINT etl_cursor_pkey PRIMARY KEY (cursor_id);
ALTER TABLE meta.etl_cursor ADD CONSTRAINT etl_cursor_task_id_store_id_key UNIQUE (task_id, store_id);
ALTER TABLE meta.etl_run ADD CONSTRAINT etl_run_task_id_fkey FOREIGN KEY (task_id) REFERENCES meta.etl_task(task_id) ON DELETE CASCADE;
ALTER TABLE meta.etl_run ADD CONSTRAINT etl_run_pkey PRIMARY KEY (run_id);
ALTER TABLE meta.etl_task ADD CONSTRAINT etl_task_pkey PRIMARY KEY (task_id);
ALTER TABLE meta.etl_task ADD CONSTRAINT etl_task_task_code_store_id_key UNIQUE (task_code, store_id);