Function BuildSetPreparedClause

go/sql/builder.go:182–201

(columns *ColumnList)

}

func BuildSetPreparedClause(columns *ColumnList) (result string, err error) {
	if columns.Len() == 0 {
		return "", fmt.Errorf("got 0 columns in BuildSetPreparedClause")
	}
	setTokens := []string{}
	for _, column := range columns.Columns() {
		var setToken string
		if column.timezoneConversion != nil {
			setToken = fmt.Sprintf("%s=convert_tz(?, '%s', '%s')", EscapeName(column.Name), column.timezoneConversion.ToTimezone, "+00:00")
		} else if column.enumToTextConversion {
			setToken = fmt.Sprintf("%s=ELT(?, %s)", EscapeName(column.Name), column.EnumValues)
		} else if column.Type == JSONColumnType {
			setToken = fmt.Sprintf("%s=convert(? using utf8mb4)", EscapeName(column.Name))
		} else {
			setToken = fmt.Sprintf("%s=?", EscapeName(column.Name))
		}
		setTokens = append(setTokens, setToken)
	}
	return strings.Join(setTokens, ", "), nil
}

func BuildRangeComparison(columns []string, values []string, args []interface{}, comparisonSign ValueComparisonSign) (result string, explodedArgs []interface{}, err error) {
	if len(columns) == 0 {