[ANNOUNCE] Apache IoTDB 0.13.1 released

[Jialin Qiao <qi...@apache.org>]

The Apache IoTDB team is pleased to announce the release of Apache IoTDB
0.13.1.

Apache IoTDB (Database for Internet of Things) is an IoT native
database with high performance for data management and analysis,
deployable on the edge and the cloud.

This is a bug-fixed version of 0.13.0, which includes a number of
improvements:

## New Features

* [IOTDB-2602] "Without null" supports filtering based on partial columns
* [IOTDB-3873] Aligned timeseries support single point fill query
* [ISSUE-6171] Support createTimeseriesOfTemplate in Session
* [IOTDB-3742] Support COUNT NODES by root.**

## Improvements

* [IOTDB-2820] Update UserGuide SQL about Trigger
* [IOTDB-2837] Add check and sort for NumpyTablet to make sure timestamps
are ordered
* [IOTDB-2838] Check and auto correct endian type for NumpyTablet
* [IOTDB-2873] provide json template for grafana
* [IOTDB-2888] Unary expression can followed by a constant
* [IOTDB-3747] Default Paging of Schema Query with limit 10000
* [IOTDB-3797] Print detailed info in session when connection fails
* [IOTDB-3851] C++ client method of tablet sorting optimization
* [IOTDB-3879] Modify document about the Programming-Cpp-Native-API
* [IOTDB-3901] C++ client method of insertRecordsOfOneDevice sorting
optimization

## Bug Fixes

* [IOTDB-2753] Insert a time series with a null value and report 500
* [IOTDB-2759] Result of "Show paths set schema template" or "using
template" is not complete
* [IOTDB-2775] Fix throwing exception when query non-exist device in
TsFileSequenceReader
* [IOTDB-2787] Fix aligned mem chunk concurrent problem
* [IOTDB-2826] Fix can not drop schema template
* [IOTDB-2828] Update system_version in system.properties after upgrading
* [IOTDB-2835] Fix empty page in selfcheck method of TsFileSequenceReader
* [IOTDB-2837] Add check and sort for NumpyTablet to make sure timestamps
are ordered
* [IOTDB-2852] The import-csv tool can not import the data to nonaligned
device
* [IOTDB-2859] Fix python tablet with None value is incorrect
* [IOTDB-2862] Fix SQL injection risks of grafana-connector
* [IOTDB-2864] Fix Read-only occurred when insert Text value to aligned
timeseries
* [IOTDB-2882] Fix unary expression display bug
* [IOTDB-2902] Handling user privileges for aligned timeseries related
features
* [IOTDB-2903] Fix show latest timeseries result does not sorted by time
* [IOTDB-2910] Fix count result not right after deleting storage group
* [IOTDB-2915] MLogTxtWriter error while parsing CreateAlignedTimeseriesPlan
* [IOTDB-2922] Fix NPE when compacting with files that contains zero device
* [IOTDB-2924] UDF Framework: index overflow while iterating sliding windows
* [IOTDB-2983] Serialization error in Partial insert
* [IOTDB-2999] Remove useless config and fix default value error.
* [IOTDB-3018] Fix compaction bugs on handling deleted target file
* [IOTDB-3029] The prefix path generated by the select into target sequence
contains * and ** currently unchecked
* [IOTDB-3045] The query result contains some timeseries that have been
deleted
* [IOTDB-3120] Print the tsfile name when meet IOException
* [IOTDB-3158] Fix NPE exception when use iotdb-reporter
* [IOTDB-3160] TsFile will be corrupted when flushing memtable appears OOM
* [IOTDB-3168] Forbid the path with * could be inserted
* [IOTDB-3171] Fix NPE when getting modification file
* [IOTDB-3219] Fix stop-server on windows
* [IOTDB-3247] Recover aligned sensors after deleting timeseries, query
lost data
* [IOTDB-3301] Tag recover bug after IoTDB server restart
* [IOTDB-3364] Fix Query stucked with null valued aligned timeseries bug
* [IOTDB-3420] Fix show paths set schema template t1 error
* [IOTDB-3494] Fix TypeError in py-session
* [IOTDB-3523] Fix the count and COUNT not equal bug when querying with
group by level
* [IOTDB-3645] Fix use statistics bug in aggregation query
* [IOTDB-3651] Stop compaction schedule when all compaction is disable
* [IOTDB-3709] Fix a loop occurred in TsFileResourceList, causing the query
to fail and oom occurs
* [IOTDB-3730] Fix ArrayIndexOutOfBounds when flushing a memtable
* [IOTDB-3795] Remove setting read-only when handling compaction exception
* [IOTDB-3803] failed to insert data of TEXT by session
* [IOTDB-3816] Fix /zero bug in recover
* [IOTDB-3822] Fix cross compaction overlap bug
* [IOTDB-3826] Fix duplicate success when concurrent creating same
timeseries
* [IOTDB-3858] IndexOutOfBoundsException: bitIndex < 0
* [ISSUE-5482] Fix Release zip files include incorrect version of Guava
* [ISSUE-5773] Aggregation result is not complete
* [ISSUE-5964] Fix bug of aligned timeseries time duplicated aggregation

The full release note is available at:
https://raw.githubusercontent.com/apache/iotdb/v0.12.6/RELEASE_NOTES.md

The release is available for download at:
http://iotdb.apache.org/Download

Maven artifacts for JDBC driver, session SDK, TsFile SDK,
Spark-connector, Hadoop-connector, Hive-connector and Flink-connector
can be found at:
https://search.maven.org/search?q=g:org.apache.iotdb

Docker image of IoTDB server can be found at:
https://hub.docker.com/r/apache/iotdb

Python API package can be found at:
https://pypi.org/project/apache-iotdb/


Regards,
The Apache IoTDB team