Stop requesting column statistics for preview columns (#4828)

Will be reverted as part of #188 Fixes #4825
deephaven · Nov 14, 2023 · af1443c · af1443c
1 parent 02c9deb
commit af1443c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/web/client-api/src/main/java/io/deephaven/web/client/api/JsTable.java b/web/client-api/src/main/java/io/deephaven/web/client/api/JsTable.java
@@ -1435,6 +1435,11 @@ public Promise<JsPartitionedTable> partitionBy(Object keys, @JsOptional Boolean
      */
     @JsMethod
     public Promise<JsColumnStatistics> getColumnStatistics(Column column) {
+        if (column.getDescription() != null && column.getDescription().startsWith("Preview of type")) {
+            // TODO (deephaven-core#188) Remove this workaround when we don't preview columns until just before
+            // subscription
+            return Promise.reject("Can't produce column statistics for preview column");
+        }
         List<Runnable> toRelease = new ArrayList<>();
         return workerConnection.newState((c, state, metadata) -> {
             ColumnStatisticsRequest req = new ColumnStatisticsRequest();