Ah, entities.keySet() is misleading because it contains records that were found

in the cache as well as records loaded from earlier passes in cases where we
split our query up to avoid database breaking in() clause sizes. Now we track
exactly what we got this time around and report that.

src/java/com/samskivert/jdbc/depot/FindAllQuery.java

@@ -269,19 +269,21 @@ public abstract class FindAllQuery<T extends PersistentRecord>
                                               new KeySet<T>(_type, keys)));
         PreparedStatement stmt = _builder.prepare(conn);
         try {
+            Set<Key<T>> got = new HashSet<Key<T>>();
             ResultSet rs = stmt.executeQuery();
             int cnt = 0, dups = 0;
             while (rs.next()) {
                 T obj = _marsh.createObject(rs);
-                if (entities.put(_marsh.getPrimaryKey(obj), obj) != null) {
+                Key<T> key = _marsh.getPrimaryKey(obj);
+                if (entities.put(key, obj) != null) {
                     dups++;
                 }
+                got.add(key);
                 cnt++;
             }
             if (cnt != keys.size()) {
-                log.warning("Row count mismatch in second pass [origQuery=" + origStmt +
-                            ", wanted=" + keys + ", got=" + entities.keySet() +
-                            ", dups=" + dups + "]", new Exception());
+                log.warning("Row count mismatch in second pass", "origQuery", origStmt,
+                            "wanted", keys, "got", got, "dups", dups, new Exception());
             }
 
         } finally {