[GitHub] [ignite] alex-plekhanov commented on a change in pull request #9291: IGNITE-14749 Fix table not found on multiline queries with ddl.

[GitBox <gi...@apache.org>]

alex-plekhanov commented on a change in pull request #9291:
URL: https://github.com/apache/ignite/pull/9291#discussion_r684059035



##########
File path: modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/ExecutionServiceImpl.java
##########
@@ -647,10 +607,15 @@ private FieldsMetadata explainFieldsMetadata(PlanningContext ctx) {
     }
 
     /** */
-    private FieldsQueryCursor<List<?>> executePlan(UUID qryId, PlanningContext pctx, QueryPlan plan) {
+    private FieldsQueryCursor<List<?>> executePlan(
+        UUID qryId,
+        PlanningContext pctx,
+        QueryPlan plan
+    ) {
         switch (plan.type()) {
             case DML:
-                // TODO a barrier between previous operation and this one
+                ListFieldsQueryCursor<?> cur = executeQuery(qryId, (MultiStepPlan)plan, pctx);
+                return new ListFieldsQueryCursor<>(cur.getAll(), cur.fieldsMeta(), cur.isQuery());

Review comment:
       It's enough to just call `cur.iterator().hasNext()` without copying to gain the same result.




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