rpuch commented on code in PR #7311:
URL: https://github.com/apache/ignite-3/pull/7311#discussion_r2647641493


##########
modules/index/src/integrationTest/java/org/apache/ignite/internal/index/ItIndexBuildCompletenessTest.java:
##########
@@ -113,13 +117,57 @@ void 
raceBetweenIndexBuildAndWriteFromDeadCoordinatorDoesNotCauseIndexIncomplete
                 .atMost(10, SECONDS)
                 .until(() -> 
isIndexAvailable(unwrapIgniteImpl(cluster.aliveNode()), INDEX_NAME));
 
-        assertThat(rowsInIndex(cluster.aliveNode()), is(transactions.size() - 
failedTransactions));
-        assertThat((long) rowsInIndex(cluster.aliveNode()), 
is(rowCountInTable()));
+        int successfulOperations = transactions.size() - failedOperations;
+
+        assertAll(
+                () -> assertThat(rowsInIndex(cluster.aliveNode()), 
is(successfulOperations)),
+                () -> assertThat((long) rowsInIndex(cluster.aliveNode()), 
is(rowCountInTable()))
+        );
     }
 
     private long rowCountInTable() {
         try (ResultSet<SqlRow> resultSet = 
cluster.aliveNode().sql().execute(null, "SELECT COUNT(*) FROM " + TABLE_NAME)) {
             return resultSet.next().longValue(0);
         }
     }
+
+    @Test
+    void 
raceBetweenIndexBuildAndWriteFromDeadCoordinatorDoesNotCauseIndexIncompletenessForImplicitTransactions()
 {
+        createTestTable(cluster, 1, 1);
+
+        createIndex(cluster, INDEX_NAME);
+
+        simulateCoordinatorLeaveToMakeIndexBuildStart();
+
+        CompletableFuture<Void> indexBuildCompleted = 
CompletableFuture.runAsync(() -> {
+            await("Index must become available in time")
+                    .atMost(10, SECONDS)
+                    .until(() -> 
isIndexAvailable(unwrapIgniteImpl(cluster.aliveNode()), INDEX_NAME));
+        });
+
+        KeyValueView<Integer, Integer> kvView = 
cluster.aliveNode().tables().table(TABLE_NAME).keyValueView(Integer.class, 
Integer.class);
+
+        int failedOperations = 0;
+        int i = 0;
+        while (!indexBuildCompleted.isDone()) {

Review Comment:
   Now operations loop is started before index creation



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