public static ColumnModel DateTime(this ColumnBuilder b, string comment = null, bool?nullable = null, byte?precision = null, DateTime?defaultValue = null, string defaultValueSql = null, string name = null, string storeType = null, IDictionary <string, AnnotationValues> annotations = null) { return(b.DateTime(nullable, precision, defaultValue, defaultValueSql, name, storeType, annotations.AddComment(comment))); }