support text scanner for binary format for uint32

pgtype/uint32.go

@@ -205,6 +205,8 @@ func (Uint32Codec) PlanScan(m *Map, oid uint32, format int16, target any) ScanPl
 			return scanPlanBinaryUint32ToUint32{}
 		case Uint32Scanner:
 			return scanPlanBinaryUint32ToUint32Scanner{}
+		case TextScanner:
+			return scanPlanBinaryTextToUint32Scanner{}
 		}
 	case TextFormatCode:
 		switch target.(type) {
@@ -282,6 +284,27 @@ func (scanPlanBinaryUint32ToUint32Scanner) Scan(src []byte, dst any) error {
 	return s.ScanUint32(Uint32{Uint32: n, Valid: true})
 }
 
+type scanPlanBinaryTextToUint32Scanner struct{}
+
+func (scanPlanBinaryTextToUint32Scanner) Scan(src []byte, dst any) error {
+	s, ok := (dst).(TextScanner)
+	if !ok {
+		return ErrScanTargetTypeChanged
+	}
+
+	if src == nil {
+		return s.ScanText(Text{})
+	}
+
+	if len(src) != 4 {
+		return fmt.Errorf("invalid length for uint4: %v", len(src))
+	}
+
+	n := uint64(binary.BigEndian.Uint32(src))
+
+	return s.ScanText(Text{String: strconv.FormatUint(n, 10), Valid: true})
+}
+
 type scanPlanTextAnyToUint32Scanner struct{}
 
 func (scanPlanTextAnyToUint32Scanner) Scan(src []byte, dst any) error {

pgtype/uint32_test.go

@@ -17,5 +17,6 @@ func TestUint32Codec(t *testing.T) {
 		},
 		{pgtype.Uint32{}, new(pgtype.Uint32), isExpectedEq(pgtype.Uint32{})},
 		{nil, new(pgtype.Uint32), isExpectedEq(pgtype.Uint32{})},
+		{"1147", new(string), isExpectedEq("1147")},
 	})
 }