Fix pprofile DurationNano to be a TypeUint64

pcommon.Timestamp better represents a point in time rather than a duration. So
keeping the proto field type for DurationNano is a better fit.

Signed-off-by: Florian Lehner <[email protected]>

Author: florianl

.chloggen/profile-duration.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. receiver/otlp)
+component: pkg/pdata
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: fix pprofile DurationNano to be a TypeUint64
+
+# One or more tracking issues or pull requests related to the change
+issues: [14188]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

internal/cmd/pdatagen/internal/pdata/pprofile_package.go

@@ -255,17 +255,10 @@ var profile = &messageStruct{
 			protoID:         3,
 			returnType:      timestampType,
 		},
-		&TypedField{
-			fieldName:       "Duration",
-			originFieldName: "DurationNano",
-			protoID:         4,
-			returnType: &TypedType{
-				structName:  "Timestamp",
-				packageName: "pcommon",
-				protoType:   proto.TypeUint64,
-				defaultVal:  "0",
-				testVal:     "1234567890",
-			},
+		&PrimitiveField{
+			fieldName: "DurationNano",
+			protoID:   4,
+			protoType: proto.TypeUint64,
 		},
 		&MessageField{
 			fieldName:     "PeriodType",