liuminghui233 commented on code in PR #7146:
URL: https://github.com/apache/iotdb/pull/7146#discussion_r956933994
##########
server/src/main/java/org/apache/iotdb/db/mpp/plan/analyze/AnalyzeVisitor.java:
##########
@@ -177,6 +177,11 @@ public Analysis visitQuery(QueryStatement queryStatement,
MPPQueryContext contex
logger.info("{} fetch query schema...", getLogHeader());
ISchemaTree schemaTree = schemaFetcher.fetchSchema(patternTree);
logger.info("{} fetch schema done", getLogHeader());
+
+ if (queryStatement.isLastQuery()) {
+
analysis.setRespDatasetHeader(DatasetHeaderFactory.getLastQueryHeader());
+ }
+
// If there is no leaf node in the schema tree, the query should be
completed immediately
if (schemaTree.isEmpty()) {
Review Comment:
```suggestion
if (schemaTree.isEmpty()) {
if (queryStatement.isLastQuery()) {
analysis.setRespDatasetHeader(DatasetHeaderFactory.getLastQueryHeader());
}
```
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