[iotdb] branch LastBug updated: fix bug

[jackietien]

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

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


The following commit(s) were added to refs/heads/LastBug by this push:
     new 59ba336  fix bug
59ba336 is described below

commit 59ba3367179b2e444e0f7cf11a89815accfa1879
Author: JackieTien97 <jackiet...@foxmail.com>
AuthorDate: Mon Dec 21 16:04:01 2020 +0800

    fix bug
---
 .../org/apache/iotdb/db/query/executor/LastQueryExecutor.java     | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/query/executor/LastQueryExecutor.java
 
b/server/src/main/java/org/apache/iotdb/db/query/executor/LastQueryExecutor.java
index d0add60..eee7620 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/query/executor/LastQueryExecutor.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/query/executor/LastQueryExecutor.java
@@ -94,8 +94,12 @@ public class LastQueryExecutor {
         resultRecord.addField(pathField);
 
         Field valueField = new Field(TSDataType.TEXT);
-        valueField.setBinaryV(new 
Binary(lastTimeValuePair.getValue().getStringValue()));
-        resultRecord.addField(valueField);
+        if (lastTimeValuePair.getValue() != null) {
+          valueField.setBinaryV(new 
Binary(lastTimeValuePair.getValue().getStringValue()));
+          resultRecord.addField(valueField);
+        } else {
+          resultRecord.addField(null);
+        }
 
         dataSet.putRecord(resultRecord);
       }