{
    "summary": [
        {
            "name": "voucher_template",
            "title": "代金券模板",
            "primary": ["id"],
            "catelog": "entity"
        }
    ],
    "fields": [
        {"name": "id", "title": "主键ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "name", "title": "模板名称", "type": "str", "length": 64, "nullable": "no"},
        {"name": "code", "title": "模板编码", "type": "str", "length": 32, "nullable": "no"},
        {"name": "face_value", "title": "面值", "type": "double", "length": 10, "dec": 2, "nullable": "no"},
        {"name": "total_count", "title": "总发行量", "type": "int", "nullable": "no", "default": "0"},
        {"name": "issued_count", "title": "已发放量", "type": "int", "nullable": "no", "default": "0"},
        {"name": "valid_days", "title": "有效期天数", "type": "int", "nullable": "no", "default": "30"},
        {"name": "status", "title": "状态", "type": "str", "length": 16, "nullable": "no", "default": "draft"},
        {"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"},
        {"name": "creator", "title": "创建人", "type": "str", "length": 32, "nullable": "yes"},
        {"name": "updater", "title": "更新人", "type": "str", "length": 32, "nullable": "yes"}
    ],
    "indexes": [
        {"name": "idx_template_code", "idxtype": "unique", "idxfields": ["code"]},
        {"name": "idx_template_status", "idxtype": "index", "idxfields": ["status"]}
    ],
    "codes": [
        {
            "field": "status",
            "table": "appcodes_kv",
            "valuefield": "k",
            "textfield": "v",
            "cond": "parentid='voucher_template_status'"
        }
    ]
}