[iotdb] branch master updated: [IOTDB-1433] Fix bug in getMetadataAndEndOffset when querying non-exist device (#3391)

[haonan]

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haonan pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 03e920e  [IOTDB-1433] Fix bug in getMetadataAndEndOffset when querying 
non-exist device (#3391)
03e920e is described below

commit 03e920ec5707f32a603410844a99fec5ce03e0c7
Author: Zesong Sun <sz...@mails.tsinghua.edu.cn>
AuthorDate: Fri Jun 11 11:51:21 2021 +0800

    [IOTDB-1433] Fix bug in getMetadataAndEndOffset when querying non-exist 
device (#3391)
---
 .../main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java | 2 +-
 .../tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java     | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git 
a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java 
b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
index 4992770..a6253f4 100644
--- 
a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
+++ 
b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
@@ -773,7 +773,7 @@ public class TsFileSequenceReader implements AutoCloseable {
             metadataIndex.getChildIndexEntry(name, false);
         ByteBuffer buffer = readData(childIndexEntry.left.getOffset(), 
childIndexEntry.right);
         return getMetadataAndEndOffset(
-            MetadataIndexNode.deserializeFrom(buffer), name, isDeviceLevel, 
false);
+            MetadataIndexNode.deserializeFrom(buffer), name, isDeviceLevel, 
exactSearch);
       }
     } catch (BufferOverflowException e) {
       logger.error("Something error happened while deserializing MetadataIndex 
of file {}", file);
diff --git 
a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
 
b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
index 7c72a0d..2642a75 100644
--- 
a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
+++ 
b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
@@ -153,6 +153,11 @@ public class MeasurementChunkMetadataListMapIteratorTest {
 
         checkCorrectness(expected, actual);
       }
+
+      // test not exist device
+      Iterator<Map<String, List<ChunkMetadata>>> iterator =
+          fileReader.getMeasurementChunkMetadataListMapIterator("dd");
+      Assert.assertFalse(iterator.hasNext());
     }
 
     FileGenerator.after();