if ferr != nil {
		return nil, ferr
	}
	inferTypeAsString(fromV)
	from, ok := fromV.ToString()
	if !ok {
		return nil, errNonStringTrimArg
	}

	result, terr := evalSQLTrim(e.TrimWhere, chars, from)
	if terr != nil {
		return nil, terr
	}
	return FromString(result), nil
}

func handleSQLExtract(r Record, e *ExtractFunc, tableAlias string) (res *Value, err error) {