{
    "summary": [
        {
            "name": "voucher_rule",
            "title": "代金券规则定义",
            "primary": ["id"],
            "catelog": "entity"
        }
    ],
    "fields": [
        {"name": "id", "title": "主键ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "template_id", "title": "模板ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "rule_type", "title": "规则类型", "type": "str", "length": 32, "nullable": "no"},
        {"name": "rule_config", "title": "规则配置(JSON)", "type": "text", "nullable": "no"},
        {"name": "enabled", "title": "是否启用", "type": "short", "nullable": "no", "default": "1"},
        {"name": "sort_order", "title": "执行顺序", "type": "int", "nullable": "no", "default": "0"},
        {"name": "remark", "title": "备注", "type": "str", "length": 255, "nullable": "yes"},
        {"name": "created_at", "title": "创建时间", "type": "timestamp", "nullable": "no"},
        {"name": "updated_at", "title": "更新时间", "type": "timestamp", "nullable": "no"}
    ],
    "indexes": [
        {"name": "idx_rule_template", "idxtype": "index", "idxfields": ["template_id"]},
        {"name": "idx_rule_enabled", "idxtype": "index", "idxfields": ["enabled"]}
    ],
    "codes": [
        {
            "field": "template_id",
            "table": "voucher_template",
            "valuefield": "id",
            "textfield": "name"
        },
        {
            "field": "rule_type",
            "table": "appcodes_kv",
            "valuefield": "k",
            "textfield": "v",
            "cond": "parentid='voucher_rule_type'"
        },
        {
            "field": "enabled",
            "table": "appcodes_kv",
            "valuefield": "k",
            "textfield": "v",
            "cond": "parentid='yes_no'"
        }
    ]
}