public SpannerComplexTypeMapping(SpannerDbType complexType, System.Type clrType, bool unicode = false, int?size = null)
: base(complexType.ToString(), clrType, unicode: unicode, size: size)
{
_complexType = complexType;
_clrType = clrType;
_isArrayType = SpannerComplexTypeMapping.s_arrayTypes.Contains(complexType);
}
public SpannerComplexTypeMapping(SpannerDbType complexType)
: base(complexType.ToString(), complexType.DefaultClrType, complexType.DbType) =>
