diff --git a/cmd/query/app/internal/api_v3/query_service.pb.go b/cmd/query/app/internal/api_v3/query_service.pb.go
index 2226d7f1b25..9d1a17340e5 100644
--- a/cmd/query/app/internal/api_v3/query_service.pb.go
+++ b/cmd/query/app/internal/api_v3/query_service.pb.go
@@ -34,12 +34,12 @@ type GetTraceRequest struct {
 	// Hex encoded 64 or 128 bit trace ID.
 	TraceId string `protobuf:"bytes,1,opt,name=trace_id,json=traceId,proto3" json:"trace_id,omitempty"`
 	// Optional. The start time to search trace ID.
-	StartTime *time.Time `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3,stdtime" json:"start_time,omitempty"`
+	StartTime time.Time `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3,stdtime" json:"start_time"`
 	// Optional. The end time to search trace ID.
-	EndTime              *time.Time `protobuf:"bytes,3,opt,name=end_time,json=endTime,proto3,stdtime" json:"end_time,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
-	XXX_unrecognized     []byte     `json:"-"`
-	XXX_sizecache        int32      `json:"-"`
+	EndTime              time.Time `protobuf:"bytes,3,opt,name=end_time,json=endTime,proto3,stdtime" json:"end_time"`
+	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
+	XXX_unrecognized     []byte    `json:"-"`
+	XXX_sizecache        int32     `json:"-"`
 }
 
 func (m *GetTraceRequest) Reset()         { *m = GetTraceRequest{} }
@@ -73,18 +73,18 @@ func (m *GetTraceRequest) GetTraceId() string {
 	return ""
 }
 
-func (m *GetTraceRequest) GetStartTime() *time.Time {
+func (m *GetTraceRequest) GetStartTime() time.Time {
 	if m != nil {
 		return m.StartTime
 	}
-	return nil
+	return time.Time{}
 }
 
-func (m *GetTraceRequest) GetEndTime() *time.Time {
+func (m *GetTraceRequest) GetEndTime() time.Time {
 	if m != nil {
 		return m.EndTime
 	}
-	return nil
+	return time.Time{}
 }
 
 // Query parameters to find traces. Except for num_traces, all fields should be treated
@@ -615,59 +615,59 @@ func init() {
 func init() { proto.RegisterFile("query_service.proto", fileDescriptor_5fcb6756dc1afb8d) }
 
 var fileDescriptor_5fcb6756dc1afb8d = []byte{
-	// 819 bytes of a gzipped FileDescriptorProto
+	// 826 bytes of a gzipped FileDescriptorProto
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/idl b/idl
index a97152c66d8..7728794957b 160000
--- a/idl
+++ b/idl
@@ -1 +1 @@
-Subproject commit a97152c66d8f1562fcdcbbb85600d5f12c8aab9e
+Subproject commit 7728794957b99056be3a28e6e525e79bf8b353bd
diff --git a/proto-gen/api_v2/query.pb.go b/proto-gen/api_v2/query.pb.go
index c4898c6c876..1a2584bf6c7 100644
--- a/proto-gen/api_v2/query.pb.go
+++ b/proto-gen/api_v2/query.pb.go
@@ -37,12 +37,12 @@ const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 type GetTraceRequest struct {
 	TraceID github_com_jaegertracing_jaeger_model.TraceID `protobuf:"bytes,1,opt,name=trace_id,json=traceId,proto3,customtype=github.com/jaegertracing/jaeger/model.TraceID" json:"trace_id"`
 	// Optional. The start time to search trace ID.
-	StartTime *time.Time `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3,stdtime" json:"start_time,omitempty"`
+	StartTime time.Time `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3,stdtime" json:"start_time"`
 	// Optional. The end time to search trace ID.
-	EndTime              *time.Time `protobuf:"bytes,3,opt,name=end_time,json=endTime,proto3,stdtime" json:"end_time,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
-	XXX_unrecognized     []byte     `json:"-"`
-	XXX_sizecache        int32      `json:"-"`
+	EndTime              time.Time `protobuf:"bytes,3,opt,name=end_time,json=endTime,proto3,stdtime" json:"end_time"`
+	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
+	XXX_unrecognized     []byte    `json:"-"`
+	XXX_sizecache        int32     `json:"-"`
 }
 
 func (m *GetTraceRequest) Reset()         { *m = GetTraceRequest{} }
@@ -78,18 +78,18 @@ func (m *GetTraceRequest) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_GetTraceRequest proto.InternalMessageInfo
 
-func (m *GetTraceRequest) GetStartTime() *time.Time {
+func (m *GetTraceRequest) GetStartTime() time.Time {
 	if m != nil {
 		return m.StartTime
 	}
-	return nil
+	return time.Time{}
 }
 
-func (m *GetTraceRequest) GetEndTime() *time.Time {
+func (m *GetTraceRequest) GetEndTime() time.Time {
 	if m != nil {
 		return m.EndTime
 	}
-	return nil
+	return time.Time{}
 }
 
 type SpansResponseChunk struct {
@@ -771,69 +771,69 @@ func init() {
 func init() { proto.RegisterFile("query.proto", fileDescriptor_5c6ac9b241082464) }
 
 var fileDescriptor_5c6ac9b241082464 = []byte{
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+	// 986 bytes of a gzipped FileDescriptorProto
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1175,26 +1175,22 @@ func (m *GetTraceRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	if m.EndTime != nil {
-		n1, err1 := github_com_gogo_protobuf_types.StdTimeMarshalTo(*m.EndTime, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(*m.EndTime):])
-		if err1 != nil {
-			return 0, err1
-		}
-		i -= n1
-		i = encodeVarintQuery(dAtA, i, uint64(n1))
-		i--
-		dAtA[i] = 0x1a
+	n1, err1 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.EndTime, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.EndTime):])
+	if err1 != nil {
+		return 0, err1
 	}
-	if m.StartTime != nil {
-		n2, err2 := github_com_gogo_protobuf_types.StdTimeMarshalTo(*m.StartTime, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(*m.StartTime):])
-		if err2 != nil {
-			return 0, err2
-		}
-		i -= n2
-		i = encodeVarintQuery(dAtA, i, uint64(n2))
-		i--
-		dAtA[i] = 0x12
+	i -= n1
+	i = encodeVarintQuery(dAtA, i, uint64(n1))
+	i--
+	dAtA[i] = 0x1a
+	n2, err2 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.StartTime, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.StartTime):])
+	if err2 != nil {
+		return 0, err2
 	}
+	i -= n2
+	i = encodeVarintQuery(dAtA, i, uint64(n2))
+	i--
+	dAtA[i] = 0x12
 	{
 		size := m.TraceID.Size()
 		i -= size
@@ -1767,14 +1763,10 @@ func (m *GetTraceRequest) Size() (n int) {
 	_ = l
 	l = m.TraceID.Size()
 	n += 1 + l + sovQuery(uint64(l))
-	if m.StartTime != nil {
-		l = github_com_gogo_protobuf_types.SizeOfStdTime(*m.StartTime)
-		n += 1 + l + sovQuery(uint64(l))
-	}
-	if m.EndTime != nil {
-		l = github_com_gogo_protobuf_types.SizeOfStdTime(*m.EndTime)
-		n += 1 + l + sovQuery(uint64(l))
-	}
+	l = github_com_gogo_protobuf_types.SizeOfStdTime(m.StartTime)
+	n += 1 + l + sovQuery(uint64(l))
+	l = github_com_gogo_protobuf_types.SizeOfStdTime(m.EndTime)
+	n += 1 + l + sovQuery(uint64(l))
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -2113,10 +2105,7 @@ func (m *GetTraceRequest) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			if m.StartTime == nil {
-				m.StartTime = new(time.Time)
-			}
-			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(m.StartTime, dAtA[iNdEx:postIndex]); err != nil {
+			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(&m.StartTime, dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
@@ -2149,10 +2138,7 @@ func (m *GetTraceRequest) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			if m.EndTime == nil {
-				m.EndTime = new(time.Time)
-			}
-			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(m.EndTime, dAtA[iNdEx:postIndex]); err != nil {
+			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(&m.EndTime, dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex