}

const (
	trimLeading  = "LEADING"
	trimTrailing = "TRAILING"
	trimBoth     = "BOTH"
)

func evalSQLTrim(where *string, trimChars, text string) (result string, err error) {
	cutSet := " "
	if trimChars != "" {
		cutSet = trimChars
	}

	trimFunc := strings.Trim
	switch {
	case where == nil:
	case *where == trimBoth:
	case *where == trimLeading:
		trimFunc = strings.TrimLeft

		}
		for _, arg := range e.SFunc.ArgsList {
			result.combine(arg.analyze(s))
		}
		return result

	case sqlFnTrim:
		if e.Trim.TrimChars != nil {
			result.combine(e.Trim.TrimChars.analyze(s))
		}
		if e.Trim.TrimFrom != nil {
			result.combine(e.Trim.TrimFrom.analyze(s))
		}
		return result

	case sqlFnSubstring: