{
  "tblname": "pbl_ext_field_def",
  "params": {
    "id": {
      "type": "int",
      "size": 20,
      "notnull": true,
      "default": 0,
      "editable": false,
      "query": false,
      "summary": "物理主键（bigint AUTO_INCREMENT）"
    },
    "tenant_key": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": false,
      "query": true,
      "summary": "租户键 = COALESCE(tenant_id,'__PLATFORM__')；索引打头列；应用层计算"
    },
    "tenant_id": {
      "type": "str",
      "size": 32,
      "notnull": false,
      "default": null,
      "editable": true,
      "query": true,
      "summary": "租户ID（首业务字段，读写强制打头，缺失即 fail-closed）；NULL=平台内置字段定义，非空=租户自有定义"
    },
    "def_code": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "定义编码（业务主键，gen_code('EFD', tenant_id) 生成）"
    },
    "subobject_type": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "适用子对象类型（7 类之一；'*' 表示全部类型通用）",
      "code": "pbl_subobject_type"
    },
    "field_key": {
      "type": "str",
      "size": 64,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "扩展字段键（写入 pbl_subobject_ext.ext_key；^[a-z][a-z0-9_]{0,63}$）"
    },
    "field_label": {
      "type": "str",
      "size": 128,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "字段显示名"
    },
    "value_type": {
      "type": "str",
      "size": 16,
      "notnull": true,
      "default": "string",
      "editable": true,
      "query": true,
      "summary": "值类型 string/int/float/bool/json/date/enum",
      "code": "pbl_ext_value_type"
    },
    "required_flag": {
      "type": "str",
      "size": 1,
      "notnull": true,
      "default": "N",
      "editable": true,
      "query": true,
      "summary": "是否必填 Y=保存该子对象扩展时此键必须出现且非空",
      "code": "pbl_yes_no"
    },
    "default_value": {
      "type": "str",
      "size": 512,
      "notnull": false,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "默认值（调用方未传该键时按 value_type 强转后落库）"
    },
    "enum_options": {
      "type": "text",
      "notnull": false,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "枚举候选（value_type=enum 时必填，JSON 数组字符串）"
    },
    "max_length": {
      "type": "int",
      "notnull": true,
      "default": 0,
      "editable": true,
      "query": false,
      "summary": "最大长度（0=不限制；>0 时对 string/json/enum 序列化长度做上限校验）"
    },
    "validate_regex": {
      "type": "str",
      "size": 256,
      "notnull": false,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "正则校验（非空时对 string 值 re.fullmatch，不符则 PBL_EXT_VALUE_INVALID）"
    },
    "platform_flag": {
      "type": "str",
      "size": 1,
      "notnull": true,
      "default": "N",
      "editable": true,
      "query": true,
      "summary": "平台内置标记 Y=平台内置定义（此时 tenant_id 必须为 NULL）",
      "code": "pbl_yes_no"
    },
    "def_status": {
      "type": "str",
      "size": 16,
      "notnull": true,
      "default": "active",
      "editable": true,
      "query": true,
      "summary": "定义状态（disabled 不参与校验且拒绝新值写入，历史值只读保留）",
      "code": "pbl_ext_def_status"
    },
    "sort_no": {
      "type": "int",
      "notnull": true,
      "default": 0,
      "editable": true,
      "query": true,
      "summary": "排序号"
    },
    "remark": {
      "type": "str",
      "size": 512,
      "notnull": false,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "备注"
    },
    "creator_id": {
      "type": "str",
      "size": 32,
      "notnull": false,
      "default": "",
      "editable": false,
      "query": true,
      "summary": "创建人"
    },
    "create_time": {
      "type": "datetime",
      "notnull": true,
      "default": null,
      "editable": false,
      "query": false,
      "summary": "创建时间"
    },
    "update_time": {
      "type": "datetime",
      "notnull": true,
      "default": null,
      "editable": false,
      "query": false,
      "summary": "更新时间"
    }
  },
  "editable": [
    "api/pbl_ext_field_def/list.dspy",
    "api/pbl_ext_field_def/edit.dspy",
    "api/pbl_ext_field_def/view.dspy"
  ],
  "browserfields": [
    "def_code",
    "subobject_type",
    "field_key",
    "field_label",
    "value_type",
    "required_flag",
    "platform_flag",
    "def_status",
    "sort_no"
  ]
}