GP-0: Fix DBTraceObject.getCanonicalParent(snap)

Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/target/DBTraceObjectValue.java

@@ -147,6 +147,11 @@ public class DBTraceObjectValue implements TraceObjectValue {
 		this.wrapped = wrapped;
 	}
 
+	@Override
+	public String toString() {
+		return wrapped.toString();
+	}
+
 	void setWrapped(TraceObjectValueStorage wrapped) {
 		this.wrapped = wrapped;
 		if (wrapped instanceof DBTraceObjectValueData data) {

Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/target/DBTraceObjectValueBehind.java

@@ -43,6 +43,12 @@ public class DBTraceObjectValueBehind implements TraceObjectValueStorage {
 		this.wrapper = new DBTraceObjectValue(manager, this);
 	}
 
+	@Override
+	public String toString() {
+		return "<%s parent=%s entryKey=%s lifespan=%s value=%s>".formatted(
+			getClass().getSimpleName(), parent, entryKey, lifespan, value);
+	}
+
 	@Override
 	public String getEntryKey() {
 		return entryKey;

Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/target/DBTraceObjectValueWriteBehindCache.java

@@ -222,18 +222,17 @@ class DBTraceObjectValueWriteBehindCache {
 	public Stream<DBTraceObjectValueBehind> streamCanonicalParents(DBTraceObject child,
 			Lifespan lifespan) {
 		TraceObjectKeyPath path = child.getCanonicalPath();
-		if (path.isRoot()) {
+		TraceObjectKeyPath parentPath = path.parent();
+		if (parentPath == null) { // child is the root
+			return Stream.of();
+		}
+		DBTraceObject parent = manager.getObjectByCanonicalPath(parentPath);
+		if (parent == null) {
+			// Not inserted yet, or someone deleted the parent object
 			return Stream.of();
 		}
 		String entryKey = path.key();
-		// TODO: Better indexing?
+		return streamValues(parent, entryKey, lifespan, true);
-		return cachedValues.values()
-				.stream()
-				.flatMap(v -> v.entrySet()
-						.stream()
-						.filter(e -> entryKey.equals(e.getKey()))
-						.map(e -> e.getValue()))
-				.flatMap(v -> streamSub(v, lifespan, true));
 	}
 
 	public Stream<DBTraceObjectValueBehind> streamValues(DBTraceObject parent, Lifespan lifespan) {

Ghidra/Test/DebuggerIntegrationTest/src/test.slow/java/agent/gdb/rmi/GdbMethodsTest.java

@@ -108,7 +108,6 @@ public class GdbMethodsTest extends AbstractGdbTraceRmiTest {
 					file bash
 					ghidra trace start
 					%s
-					ghidra trace tx-open "Fake" 'ghidra trace create-obj Breakpoints'
 					starti"""
 					.formatted(INSTRUMENT_STOPPED));
 			RemoteMethod refreshBreakpoints = conn.getMethod("refresh_breakpoints");