[pdata/pprofile] Add reference based attributes support

.chloggen/pprofile-refs.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: 'enhancement'
+
+# The name of the component, or a single word describing the area of concern, (e.g. receiver/otlp)
+component: pdata/pprofile
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Implement reference based attributes in Profiles
+
+# One or more tracking issues or pull requests related to the change
+issues: [14546]
+
+# (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/pcommon_package.go

@@ -109,6 +109,11 @@ var keyValueStruct = &messageStruct{
 			protoID:       2,
 			returnMessage: anyValueClone,
 		},
+		&PrimitiveField{
+			fieldName: "KeyStrindex",
+			protoID:   3,
+			protoType: proto.TypeInt32,
+		},
 	},
 	hasOnlyInternal: true,
 }
@@ -171,6 +176,12 @@ var anyValueStruct = &messageStruct{
 					originFieldName: "BytesValue",
 					protoType:       proto.TypeBytes,
 				},
+				&OneOfPrimitiveValue{
+					fieldName:       "StringValueStrindex",
+					protoID:         8,
+					originFieldName: "StringValueStrindex",
+					protoType:       proto.TypeInt32,
+				},
 			},
 		},
 	},