{
    "summary": [
        {
            "name": "switchover_logs",
            "title": "切换事件日志",
            "primary": ["id"],
            "catelog": "entity"
        }
    ],
    "fields": [
        {"name": "id", "title": "日志ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "cluster_id", "title": "所属集群", "type": "str", "length": 32, "nullable": "no"},
        {"name": "event_type", "title": "事件类型", "type": "str", "length": 32, "nullable": "no"},
        {"name": "from_node_id", "title": "切换前节点", "type": "str", "length": 32},
        {"name": "to_node_id", "title": "切换后节点", "type": "str", "length": 32},
        {"name": "trigger", "title": "触发方式", "type": "str", "length": 16, "nullable": "no", "default": "auto"},
        {"name": "reason", "title": "原因说明", "type": "text"},
        {"name": "details", "title": "详细信息", "type": "text"},
        {"name": "status", "title": "执行状态", "type": "str", "length": 16, "nullable": "no", "default": "pending"},
        {"name": "started_at", "title": "开始时间", "type": "datetime"},
        {"name": "completed_at", "title": "完成时间", "type": "datetime"},
        {"name": "created_at", "title": "创建时间", "type": "datetime"}
    ],
    "indexes": [
        {"name": "idx_sl_cluster", "idxtype": "index", "idxfields": ["cluster_id"]},
        {"name": "idx_sl_time", "idxtype": "index", "idxfields": ["created_at"]}
    ],
    "codes": [
        {"field": "event_type", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='switchover_event_type'"},
        {"field": "trigger", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='switchover_trigger'"},
        {"field": "status", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='switchover_status'"},
        {"field": "cluster_id", "table": "clusters", "valuefield": "id", "textfield": "name"}
    ]
}