Add count without alias test

fdb-relational-core/src/test/java/com/apple/foundationdb/relational/recordlayer/query/CountQueryTest.java

@@ -34,6 +34,7 @@
 import org.junit.jupiter.api.extension.RegisterExtension;
 
 import java.sql.SQLException;
+import java.util.Base64;
 
 /**
  * Some basic count query tests. These are not too dissimilar from queries that are in some of the YAML tests,
@@ -114,4 +115,26 @@ void countNotNullAByB() throws SQLException {
                     .continuationReasonIs(Continuation.Reason.CURSOR_AFTER_LAST);
         }
     }
+
+    @Test
+    void countWithoutAliasNamePreservedAfterContinuation() throws SQLException {
+        statement.setMaxRows(1);
+        Continuation continuation;
+        try (RelationalResultSet resultSet = statement.executeQuery("SELECT b, count(a) FROM t1 GROUP BY b")) {
+            ResultSetAssert.assertThat(resultSet)
+                    .hasNextRow()
+                    .hasColumn("_1", 1L)
+                    .hasNoNextRow()
+                    .continuationReasonIs(Continuation.Reason.QUERY_EXECUTION_LIMIT_REACHED);
+            continuation = resultSet.getContinuation();
+        }
+        statement.setMaxRows(1);
+        try (RelationalResultSet resultSet = statement.executeQuery("EXECUTE CONTINUATION B64'" + Base64.getEncoder().encodeToString(continuation.serialize()) + "'")) {
+            ResultSetAssert.assertThat(resultSet)
+                    .hasNextRow()
+                    .hasColumn("_1", 1L)
+                    .hasNoNextRow()
+                    .continuationReasonIs(Continuation.Reason.QUERY_EXECUTION_LIMIT_REACHED);
+        }
+    }
 }