Method appendParam

extended_query_builder.go:56–88

appendParam appends a parameter to the query. format may be -1 to automatically choose the format. If arg is nil it must be an untyped nil.

(m *pgtype.Map, oid uint32, format int16, arg any)

// appendParam appends a parameter to the query. format may be -1 to automatically choose the format. If arg is nil it
// must be an untyped nil.
func (eqb *ExtendedQueryBuilder) appendParam(m *pgtype.Map, oid uint32, format int16, arg any) error {
	if format == -1 {
		preferredFormat := eqb.chooseParameterFormatCode(m, oid, arg)
		preferredErr := eqb.appendParam(m, oid, preferredFormat, arg)
		if preferredErr == nil {
			return nil
		}

		var otherFormat int16
		if preferredFormat == TextFormatCode {
			otherFormat = BinaryFormatCode
		} else {
			otherFormat = TextFormatCode
		}

		otherErr := eqb.appendParam(m, oid, otherFormat, arg)
		if otherErr == nil {
			return nil
		}

		return preferredErr // return the error from the preferred format
	}

	v, err := eqb.encodeExtendedParamValue(m, oid, format, arg)
	if err != nil {
		return err
	}

	eqb.ParamFormats = append(eqb.ParamFormats, format)
	eqb.ParamValues = append(eqb.ParamValues, v)

	return nil
}

// appendResultFormat appends a result format to the query.
func (eqb *ExtendedQueryBuilder) appendResultFormat(format int16) {