fix limit by does not work anymore

pdb-plotting/src/main/java/org/lucares/recommind/logs/Plotter.java

@@ -76,6 +76,12 @@ public class Plotter {
 
             final Result result = db.get(new Query(query, dateRange), groupBy);
 
+            if (result.getGroups().size() > 100 && plotSettings.getLimitBy() == Limit.NO_LIMIT) {
+                throw new RuntimeException("too many groups - try adding restrictions for one of these fields "
+                        + String.join(",", groupBy) + ".For example '" + query + " and " + groupBy.get(0)
+                        + "=someValue'. Or you can remove a field from 'Group By'.");
+            }
+
             final long start = System.nanoTime();
             final AtomicInteger idCounter = new AtomicInteger(0);
             result.getGroups().stream().parallel().forEach(groupResult -> {

performanceDb/src/main/java/org/lucares/performance/db/PerformanceDb.java

@@ -183,14 +183,6 @@ public class PerformanceDb implements AutoCloseable {
 
         final Grouping grouping = Grouping.groupBy(pdbFiles, groupBy);
 
-        if (grouping.getGroups().size() > 100) {
-            // we know groupBy is not empty, because we have groupings
-            final String example = " For example '" + query.getQuery() + " and " + groupBy.get(0) + "=someValue'";
-
-            throw new RuntimeException("too many groups - try adding restrictions for one of these fields "
-                    + String.join(",", groupBy) + "." + example + " Or you can remove a field from 'Group By'.");
-        }
-
         final Result result = toResult(grouping);
         METRICS_LOGGER.debug("query execution took: " + (System.nanoTime() - start) / 1_000_000.0 + "ms: " + query
                 + " (" + groupBy + "): files found: " + pdbFiles.size());