[iotdb] branch rel/0.12 updated: Fix last with align by device bug (#4669)

[jackietien]

This is an automated email from the ASF dual-hosted git repository.

jackietien pushed a commit to branch rel/0.12
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/rel/0.12 by this push:
     new becf21e  Fix last with align by device bug (#4669)
becf21e is described below

commit becf21ef9c9e0429d4ca54c8b026d96b7fb6f871
Author: Xiangwei Wei <34242296+alima...@users.noreply.github.com>
AuthorDate: Fri Dec 31 10:13:45 2021 +0800

    Fix last with align by device bug (#4669)
---
 .../main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java    | 2 ++
 1 file changed, 2 insertions(+)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java 
b/server/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
index 0cf097c..f04ad93 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
@@ -626,6 +626,8 @@ public class PhysicalGenerator {
         throw new QueryProcessException("group by level does not support align 
by device now.");
       }
       alignByDevicePlan.setAggregationPlan((AggregationPlan) queryPlan);
+    } else if (queryPlan instanceof LastQueryPlan) {
+      throw new QueryProcessException("Last query does not support align by 
device.");
     }
 
     List<PartialPath> prefixPaths = 
queryOperator.getFromOperator().getPrefixPaths();