Fix NPE of empty data aggregation query when there is no push-down optimize in TableModel

Author: Wei-hao-Li

integration-test/src/test/java/org/apache/iotdb/relational/it/db/it/IoTDBMultiIDsWithAttributesTableIT.java

@@ -1027,11 +1027,16 @@ public void aggregationNoDataTest() {
     retArray = new String[] {"0,0,null,"};
     tableResultSetEqualTest(sql, expectedHeader, retArray, DATABASE_NAME);
 
-    // no data in given time range
+    // no data in given time range (push-down)
     sql = "select count(*), count(num), sum(num) from table0 where time>2100-04-26T18:01:40.000";
     retArray = new String[] {"0,0,null,"};
     tableResultSetEqualTest(sql, expectedHeader, retArray, DATABASE_NAME);
 
+    // no data in given time range (no push-down)
+    sql = "select count(*), count(num+1), sum(num) from table0 where time>2100-04-26T18:01:40.000";
+    retArray = new String[] {"0,0,null,"};
+    tableResultSetEqualTest(sql, expectedHeader, retArray, DATABASE_NAME);
+
     // only one device has data in queried time
     expectedHeader = buildHeaders(2);
     sql = "select count(num),sum(num) from table1 where time=0";

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/planner/distribute/TableDistributedPlanGenerator.java

@@ -455,12 +455,10 @@ public List<PlanNode> visitTableScan(TableScanNode node, PlanContext context) {
 
     for (DeviceEntry deviceEntry : node.getDeviceEntries()) {
       List<TRegionReplicaSet> regionReplicaSets =
-          analysis
-              .getDataPartitionInfo()
-              .getDataRegionReplicaSetWithTimeFilter(
-                  node.getQualifiedObjectName().getDatabaseName(),
-                  deviceEntry.getDeviceID(),
-                  node.getTimeFilter());
+          analysis.getDataRegionReplicaSetWithTimeFilter(
+              node.getQualifiedObjectName().getDatabaseName(),
+              deviceEntry.getDeviceID(),
+              node.getTimeFilter());
 
       for (TRegionReplicaSet regionReplicaSet : regionReplicaSets) {
         TableScanNode tableScanNode =