Bugfix

src/main/java/it/cavallium/dbengine/database/collections/DatabaseMapDictionaryHashed.java

@@ -265,7 +265,9 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
 			entries.add(Map.entry(key, value));
 			return entries;
 		} else {
-			return new ObjectArraySet<>(new Object[] {Map.entry(key, value)});
+			var oas = new ObjectArraySet<Entry<T, U>>(1);
+			oas.add(Map.entry(key, value));
+			return oas;
 		}
 	}
 

src/main/java/it/cavallium/dbengine/database/collections/DatabaseSingleBucket.java

@@ -154,7 +154,9 @@ public class DatabaseSingleBucket<K, V, TH> implements DatabaseStageEntry<V> {
 			entries.add(Map.entry(key, value));
 			return entries;
 		} else {
-			return new ObjectArraySet<>(new Object[] {Map.entry(key, value)});
+			var oas = new ObjectArraySet<Entry<K, V>>(1);
+			oas.add(Map.entry(key, value));
+			return oas;
 		}
 	}
 

src/main/java/it/cavallium/dbengine/database/collections/ValuesSetSerializer.java

@@ -26,7 +26,7 @@ class ValuesSetSerializer<X> implements Serializer<Set<X>, ByteBuf> {
 				X entry = entrySerializer.deserialize(serialized.retain());
 				values[i] = entry;
 			}
-			return new ObjectArraySet<>(values);
+			return new ObjectArraySet<>(values, values.length);
 		} finally {
 			serialized.release();
 		}