private void ReadColumns <TModel>(MapperConfig <TModel> mapConfig, TModel[] models, DataColumn[] columns, long modelOffset)
{
var expectedPropertyConfigs = mapConfig.GetPropertyConfigs();
foreach (var expectedPropertyConfig in expectedPropertyConfigs)
{
var column = columns.FirstOrDefault(f => expectedPropertyConfig.ColumnName.Equals(f.Field.Name.ToUpperInvariant()));
if (column is null)
{
OnInvalidColumn($"Column \"{expectedPropertyConfig}\" doesn't exist in parquet");
continue;
}
expectedPropertyConfig.Map(models, column, modelOffset);
}
}