partial fix

here-naksha-lib-psql/src/commonMain/kotlin/naksha/psql/PgStorage.kt

@@ -521,6 +521,9 @@ WHERE relname IN ('$NAKSHA_TXN_SEQ', '$NAKSHA_MAP_SEQ') AND relnamespace=${defau
  mode: FetchMode = FETCH_ALL
  ): List<Tuple?> {
  TODO("Implement getLatestTuples")
+ // val readFeatures = ReadFeatures(collection.id)
+ // readFeatures.featureIds.add(featureId)
+ // val response = PgReader(session, readFeatures).execute().proxy(SuccessResponse::class)
  }
 
  /**

here-naksha-lib-psql/src/commonMain/kotlin/naksha/psql/executors/write/DeleteFeature.kt

@@ -20,26 +20,22 @@ class DeleteFeature(session: PgSession) : UpdateFeature(session) {
  override fun execute(collection: PgCollection, write: Write): Tuple {
  val featureId = write.featureId ?: throw NakshaException(NakshaError.ILLEGAL_ARGUMENT, "No feature ID provided")
 
- var feature:NakshaFeature = null
- val readFeatures = ReadFeatures(collection.id)
- readFeatures.featureIds.add(featureId)
- val response = PgReader(session, readFeatures).execute().proxy(SuccessResponse::class)
- if (!response.features.isEmpty())
- {
- feature = response.features.first()
- }
- session.storage.getLatestTuples()
+ val tuples = session.storage.getLatestTuples(
+ conn = session.usePgConnection(),
+ mapId = session.map,
+ collectionId = collection.id,
+ featureIds = arrayOf(featureId)
+ )
+
+ if (tuples.isEmpty()) {
+ TODO("feature does not exist in head, should somehow return delete success but with a tuple")
+ }
+
+ val tuple = tuples.first()
 
  val tupleNumber = newFeatureTupleNumber(collection, featureId, session)
  val flags = resolveFlags(collection, session).action(Action.DELETED)
- val tuple = tuple(
- session.storage,
- tupleNumber,
- feature,
- metadata(tupleNumber, feature, featureId, flags),
- write.attachment,
- flags
- )
+
  // Only modify head, hst and del tables if feature exists
  if (feature != null) {
  // If hst table enabled