docs: function cfv(model, set) {
    const cvs = {};// column values
    for (const fieldName in set) {
      const field = model.def.fields[fieldName];
      if (!field || field.props.category !== 'entity') continue;
  
      const value = set[fieldName];
      cvs[field.props.column] = value;
    }
    return cvs;
  }