- IOTDB-217 A new GROUPBY syntax, e.g., select avg(s1) from root.sg.d1.s1 GROUP BY ([1, 50), 5ms)
- IOTDB-220 Add hot-load configuration function
- IOTDB-275 allow using user defined JAVA_HOME and allow blank space in the JAVA_HOME
- IOTDB-287 Allow domain in JDBC URL
- IOTDB-292 Add load external tsfile feature
- IOTDB-297 Support "show flush task info"
- IOTDB-298 Support new Last point query. e.g, select last * from root
- IOTDB-305 Add value filter function while executing align by device
- IOTDB-309 add Dockerfiles for 0.8.1, 0.9.0, and 0.9.1
- IOTDB-313 Add RandomOnDiskUsableSpaceStrategy
- IOTDB-323 Support insertRecords in session
- IOTDB-337 Add timestamp precision properties for grafana
- IOTDB-343 Add test method in session
- IOTDB-396 Support new query clause: disable align, e.g., select * from root disable align
- IOTDB-447 Support querying non-existing measurement and constant measurement
- IOTDB-448 Add IN operation, e.g., where time in (1,2,3)
- IOTDB-456 Support GroupByFill Query, e.g., select last_value(s1) from root.sg.d1 GROUP BY ([1, 10), 2ms) FILL(int32[previousUntilLast])
- IOTDB-467 The CLI displays query results in a batch manner
- IOTDB-497 Support Apache Flink Connector with IoTDB
- IOTDB-558 add text support for grafana
- IOTDB-560 Support Apache Flink connecter with TsFile
- IOTDB-565 MQTT Protocol Support, disabled by default, open in iotdb-engine.properties
- IOTDB-574 Specify configuration when start iotdb
- IOTDB-588 Add tags and attributes management
- IOTDB-607 add batch create timeseries in native interface
- IOTDB-612 add limit&offset to show timeseries
- IOTDB-615 Use TsDataType + Binary to replace String in insert plan
- IOTDB-617 Support alter one time series's tag/attribute
- IOTDB-630 Add a jdbc-like way to fetch data in session
- IOTDB-640 Enable system admin sql (flush/merge) in JDBC or Other API
- IOTDB-671 Add clear cache command
- Support open and close time range in group by, e.g, [), (]
- Online upgrade from 0.9.x
- Support speical characters in path: -/+&%$#@
- IOTDB-446 Support path start with a digit, e.g., root.sg.12a
- enable rpc compression in session pool
- Make JDBC OSGi usable and added a feature file
- add printing one resource file tool
- Allow count timeseries group by level=x using default path
- IOTDB-700 Add OpenID Connect based JWT Access as alternative to Username / Password
- IOTDB-701 Set heap size by percentage of system total memory when starts
- IOTDB-708 add config for inferring data type from string value
- IOTDB-715 Support previous time range in previousuntillast
- IOTDB-719 add avg_series_point_number_threshold in config
- IOTDB-731 Continue write inside InsertPlan
- IOTDB-734 Add Support for NaN in Double / Floats in SQL Syntax.
- IOTDB-744 Support upsert alias
- IOTDB-138 Move All metadata query to usual query
- IOTDB-322 upgrade to thrift 0.12.0-0.13.0
- IOTDB-325 Refactor Statistics in TsFile
- IOTDB-419 Refactor the 'last' and 'first' aggregators to 'last_value' and 'first_value'
- IOTDB-506 upgrade the rpc protocol to v2 to reject clients or servers that version < 0.10
- IOTDB-587 TsFile is upgraded to version 2
- IOTDB-593 add metaOffset in TsFileMetadata
- IOTDB-597 Rename methods in Session: insertBatch to insertTablet, insertInBatch to insertRecords, insert to insertRecord
- RPC is incompatible, you can not use client-v0.9 to connect with server-v0.10
- TsFile format is incompatible, will be upgraded when starting 0.10
- Refine exception code in narive api
- IOTDB-190 upgrade from antlr3 to antlr4
- IOTDB-418 new query engine
- IOTDB-429 return empty dataset instead of throw exception, e.g., show child paths root.*
- IOTDB-445 Unify the keyword of "timestamp" and "time"
- IOTDB-450 Add design documents
- IOTDB-498 Support date format "2020-02-10"
- IOTDB-503 Add checkTimeseriesExists in java native api
- IOTDB-605 Add more levels of index in TsFileMetadata for handling too many series in one device
- IOTDB-625 Change default level number: root is level 0
- IOTDB-628 rename client to cli
- IOTDB-621 Add Check isNull in Field for querying using session
- IOTDB-632 Performance improve for PreviousFill/LinearFill
- IOTDB-695 Accelerate the count timeseries query
- IOTDB-707 Optimize TsFileResource memory usage
- IOTDB-730 continue write in MQTT when some events are failed
- IOTDB-729 shutdown uncessary threadpool
- IOTDB-733 Enable setting for mqtt max length
- IOTDB-732 Upgrade fastjson version to 1.2.70
- Allow "count timeseries" without a prefix path
- Add max backup log file number
- add rpc compression api in client and session module
- Continue writing the last unclosed file
- Move the vulnera-checks section into the apache-release profile to accelerate compile
- Add metaquery in python example
- Set inferType of MQTT InsertPlan to true
-
IOTDB-125 Potential Concurrency bug while deleting and inserting happen together
-
IOTDB-185 fix start-client failed on WinOS if there is blank space in the file path; let start-server.bat suport jdk12,13 etc
-
IOTDB-304 Fix bug of incomplete HDFS URI
-
IOTDB-341 Fix data type bug in grafana
-
IOTDB-346 Fix a bug of renaming tsfile in loading function
-
IOTDB-370 fix a concurrent problem in parsing sql
-
IOTDB-376 fix metric to show executeQuery
-
IOTDB-392 fix export CSV
-
IOTDB-393 Fix unclear error message for no privilege users
-
IOTDB-401 Correct the calculation of a chunk if there is no data in the chunk, do not flush empty chunk
-
IOTDB-412 Paths are not correctly deduplicated
-
IOTDB-420 Avoid encoding task dying silently
-
IOTDB-425 fix can't change the root password.
-
IOTDB-459 Fix calmem tool bug
-
IOTDB-470fix IllegalArgumentException when there exists 0 byte TsFile
-
IOTDB-529 Relative times and NOW() operator cannot be used in Group By
-
IOTDB-531 fix issue when grafana visualize boolean data
-
IOTDB-546 Fix show child paths statement doesn't show quotation marks
-
IOTDB-643 Concurrent queries cause BufferUnderflowException when storage in HDFS
-
IOTDB-663 Fix query cache OOM while executing query
-
IOTDB-664 Win -e option
-
IOTDB-669 fix getting two columns bug while ”show devices“ in session
-
IOTDB-692 merge behaves incorrectly
-
IOTDB-712 Meet BufferUnderflowException and can not recover
-
IOTDB-718 Fix wrong time precision of NOW()
-
IOTDB-735 Fix Concurrent error for MNode when creating time series automatically
-
IOTDB-738 Fix measurements has blank
-
fix concurrent auto create schema conflict bug
-
fix meet incompatible file error in restart
-
Fix bugs of set core-site.xml and hdfs-site.xml paths in HDFS storage
-
fix execute flush command while inserting bug
-
Fix sync schema pos bug
-
Fix batch execution bug, the following sqls will all fail after one error sql
-
Fix recover endTime set bug
- IOTDB-531 Fix that JDBC URL does not support domain issue
- IOTDB-563 Fix pentaho cannot be downloaded because of spring.io address
- IOTDB-608 Skip error Mlog
- IOTDB-634 Fix merge caused errors for TsFile storage in HDFS
- IOTDB-636 Fix Grafana connector does not use correct time unit
- IOTDB-528 Modify grafana group by
- IOTDB-635 Add workaround when doing Aggregation over boolean Series
- Remove docs of Load External Tsfile
- Add Grafana IoTDB Bridge Artifact to distribution in tools/grafana folder
- IOTDB-553 Fix Return Empty ResultSet when queried series doesn't exist
- IOTDB-575 add default jmx user and password; fix issues that jmx can't be accessed remotely
- IOTDB-584 Fix InitializerError when recovering files on HDFS
- Fix batch insert once an illegal sql occurs all the sqls after that will not succeed
- Fix concurrent modification exception when iterator TsFileResourceList
- Fix some HDFS config issues
- Fix runtime exception not catched and sync schema pos was nullpointer bug in DataTransferManager
- Fix python rpc grammar mistakes
- Fix upgrade ConcurrentModificationException
- IOTDB-332 support Chinese characters in path
- IOTDB-316 add AVG function to 4-SQL Reference.md and modify style
- improve start-server.bat by using quotes to protect against empty entries
- Add Chinese documents for chapter 4.2
- change download-maven-plugin to 1.3.0
- add session pool
- add insertInBatch in Session
- add insertInBatch to SessionPool
- modify 0.9 docs to fit website
- remove tsfile-format.properties
- add bloom filter in iotdb-engien.properties
- update server download doc
- typos fix in Rel/0.9 docs
- support 0.12.0 and 0.13.0 thrift
- IOTDB-159 Fix NullPointerException in SeqTsFileRecoverTest and UnseqTsFileRecoverTest
- IOTDB-317 Fix a bug that "flush + wrong aggregation query" causes the following queries to fail
- IOTDB-324 Fix inaccurate statistics when writing in batch
- IOTDB-327 Fix a groupBy-without-value-filter query bug caused by the wrong page skipping logic
- IOTDB-331 Fix a groupBy query bug when axisOrigin-startTimeOfWindow is an integral multiple of interval
- IOTDB-357 Fix NullPointerException in ActiveTimeSeriesCounter
- IOTDB-359 Fix a wrong-data-type bug in TsFileSketchTool
- IOTDB-360 Fix bug of a deadlock in CompressionRatio
- IOTDB-363 Fix link errors in Development-Contributing.md and add Development-Document.md
- IOTDB-392 Fix a bug in CSV export tool
- Fix apache rat header format error in some files
- IOTDB-321 Add definitions of time expression and LEVEL in related documents
- Support pypi distribution for Python client
- IOTDB-143 Compaction of data file
- IOTDB-151 Support number format in timeseries path
- IOTDB-158 Add metrics web service
- IOTDB-173 Add batch write interface in session
- IoTDB-174 Add interfaces for querying device or timeseries number
- IOTDB-187 Enable to choose storage in local file system or HDFS
- IOTDB-188 Delete storage group
- IOTDB-193 Create schema automatically when inserting
- IOTDB-198 Add sync module (Sync TsFiles between IoTDB instances)
- IOTDB-199 Add a log visualization tool
- IOTDB-203 Add "group by device" function for narrow table display
- IOTDB-205 Support storage-group-level Time To Live (TTL)
- IOTDB-208 Add Bloom filter in TsFile
- IOTDB-223 Add a TsFile sketch tool
- IoTDB-226 Hive-TsFile connector
- IOTDB-239 Add interface for showing devices
- IOTDB-241 Add query and non query interface in session
- IOTDB-249 Enable lowercase in create_timeseries sql
- IOTDB-253 Support time expression
- IOTDB-259 Level query of path
- IOTDB-282 Add "show version"
- IOTDB-294 Online upgrade from 0.8.0 to 0.9.0
- Spark-iotdb-connector
- Support quoted measurement name
- Generate cpp, go, and python thrift files under service-rpc
- Display cache hit rate through jconsole
- Support inserting data that time < 0
- Add interface (Delete timeseries) in session
- Add a tool to print tsfileResources (each device's start and end time)
- Support watermark feature
- Add micro and nano timestamp precision
- RPC is incompatible, you can not use client-0.8.0 to connect with server-0.9.0 or use client-0.9.0 to connect with server-0.8.0.
- Server is backward compatible, server-0.9.0 could run on data folder of 0.8.0. The data file will be upgraded background.
- Change map key in TsDigest from String to enum data type
- IOTDB-144 Meta data cache for query
- IOTDB-153 Further limit fetchSize to speed up LIMIT&OFFSET query
- IOTDB-160 External sort
- IOTDB-161 Add ErrorCode of different response errors
- IOTDB-180 Get rid of JSON format in "show timeseries"
- IOTDB-192 Improvement for LRUCache
- IOTDB-210 One else if branch will never be reached in the method optimize of ExpressionOptimizer
- IOTDB-215 Update TsFile sketch tool and TsFile docs for v0.9.0
- IOTDB-221 Add a python client example
- IOTDB-233 keep metadata plan clear
- IOTDB-251 Improve TSQueryDataSet structure in RPC
- IOTDB-257 Makes the client stop fetch when dataSize equals maxPrintRowCount and change client fetchSize less than maxPrintRowCount
- IOTDB-258 Add documents for Query History Visualization Tool and Shared Storage Architecture
- IOTDB-265 Re-adjust the threshold size of memtable
- IOTDB-267 Reduce IO operations in deserializing chunk header
- IOTDB-273 Parallel recovery
- IOTDB-276 Fix inconsistent ways of judging whether a Field is null
- IOTDB-285 Duplicate fields in EngineDataSetWithoutValueFilter.java
- IOTDB-287 Restrict users to only use domain names and IP addresses.
- IOTDB-293 Variable naming convention
- IOTDB-295 Refactor db.exception
- Reconstruct Antlr3 grammar to improve performance
- Tooling for release
- Modified Decoder and SequenceReader to support old version of TsFile
- Remove jdk constrain of jdk8 and 11
- Modify print function in AbstractClient
- Avoid second execution of parseSQLToPhysicalPlan in executeStatement
- IOTDB-20 Need to support UPDATE
- IOTDB-168&169 Fix a bug in export-csv tool and fix compatibility of timestamp formats in exportCsv, client display and sql
- IOTDB-174 Fix querying timeseries interface cannot make a query by the specified path prefix
- IOTDB-195 Using String.getBytes(utf-9).length to replace string.length() in ChunkGroupMetadata for supporting Chinese
- IOTDB-211 Use "%IOTDB_HOME%\lib*" to refers to all .jar files in the directory in start-server.bat
- IOTDB-240 Fix unknown time series in where clause
- IOTDB-244 Fix bug when querying with duplicated columns
- IOTDB-252 Add/fix shell and bat for TsFileSketchTool/TsFileResourcePrinter
- IOTDB-266 NullPoint exception when reading not existed devices using ReadOnlyTsFile
- IOTDB-264 Restart failure due to WAL replay error
- IOTDB-290 Bug about threadlocal field in TSServiceImpl.java
- IOTDB-291 Statement close operation may cause the whole connection's resource to be released
- IOTDB-296 Fix error when skip page data in sequence reader
- IOTDB-301 Bug Fix: executing "count nodes root" in client gets "Msg:3"
- Fix Dynamic Config when Creating Existing SG or Time-series
- Fix start-walchecker scripts for letting user define the wal folder
- Fix start script to set JAVA_HOME
This is a bug-fix version of 0.8.1
- IOTDB-264 lack checking datatype before writing WAL
- IOTDB-317 Fix "flush + wrong aggregation" causes failed query in v0.8.x
- NOTICE and LICENSE file update
This is a bug-fix version of 0.8.0
- IOTDB-172 Bug in updating startTime and endTime in TsFileResource
- IOTDB-195 Bug about 'serializedSize' in ChunkGroupMetaData.java (for Chinese string)
- IOTDB-202 fix tsfile example data type
- IOTDB-242 fix mvn integration-test failed because the files in the target folder changes
- Abnormal publishing of sequence and unsequence data folders in DirectoryManager
- Fix a bug in TimeRange's intersects function
This is the first official release of Apache IoTDB after joining the Incubator.
- IOTDB-1 Add Aggregation query
- IOTDB-4 Asynchronously force sync WAL periodically
- IOTDB-5 Support data deletion
- IOTDB-11 Support start script for jdk 11 on Windows OS
- IOTDB-18 Improve startup script compatible for jdk11
- IOTDB-36 [TsFile] Enable recover data from a incomplete TsFile and continue to write
- IOTDB-37 Add WAL check tool script
- IOTDB-51 Update post-back module to synchronization module
- IOTDB-59 Support GroupBy query
- IOTDB-60 Support Fill function when query
- IOTDB-73 Add REGULAR encoding method for data with fixed frequency
- IOTDB-80 Support custom export file name
- IOTDB-81 Update travis for supporting JDK11 on Windows
- IOTDB-83 Add process bar for import script and show how many rows have been exported
- IOTDB-91 Improve tsfile-spark-connector to support spark-2.4.3
- IOTDB-93 IoTDB Calcite integration
- IOTDB-109 Support appending data at the end of a completed TsFile
- IOTDB-122 Add prepared statement in JDBC
- IOTDB-123 Add documents in Chinese
- IOTDB-130 Dynamic parameters adapter
- IOTDB-134 Add default parameter for client starting script
- Add read-only mode of IoTDB
- New storage engine with asynchronously flush and close data file
- Adding english documents
- Supporting travis + window + jdk8
- Add skipping all UTs: maven integration-test -DskipUTS=true
- Enable users define the location of their thrift compiler
- Add example module
- Add a log appender: put info, warn, error log into one file and disable log_info by default
- Recover when resource file does not exist while tsfile is complete
If you use the previous unofficial version 0.7.0. It is incompatible with 0.8.0.
- IOTDB-21 Add ChunkGroup offset information in ChunkGroupMetaData
- IOTDB-25 Add some introduction for JMX MBean Monitor in user guide
- IOTDB-29 Multiple Exceptions when reading empty measurements from TsFileSequenceReader
- IOTDB-39 Add auto repair functionality for RestorableTsFileIOWriter
- IOTDB-45 Update the license in IoTDB
- IOTDB-56 Faster getSortedTimeValuePairList() of Memtable
- IOTDB-62 Change log level from error to debug in SQL parser
- IoTDB-63 Use TsFileInput instead of FileChannel as the input parameter of some functions
- IOTDB-76 Reformat MManager.getMetadataInString() in JSON format
- IOTDB-78 Make unsequence file format more similar with TsFile
- IOTDB-95 Keep stack trace when logging or throwing an exception
- IOTDB-117 Add sync documents
- Modify ASF header for each file and add related maven plugin
- Add IoTDB env script test
- Add sync function for jdbc server to close
- Add cache directories for download jars and sonar plugin of maven in travis
- Add partition start and end offset constraints when loading ChunkGroupMetaData
- Check when creating Storage group
- Try to release memory asap in ReadOnlyMemChunk
- Add more physical plan serializer
- Move all generated tsfiles for test into the target folder
- Make TsFileWriter as AutoClosable
- Print apache-rat violation result on console
- Update multi dir avoid disk is full
- Simplify Path construction
- Separate documents into different chapter folders
- Suppress mvn log in travis
- Add mvn -B in travis
- IOTDB-20 Need to support UPDATE
- IOTDB-124 Lost timeseries info after restart IoTDB
- IOTDB-125 [potential] a concurrency conflict may occur when a delete command and insertion command appears concurrently
- IOTDB-126 IoTDB will not be closed immediately after run 'stop-server.sh' script
- IOTDB-127 Chinese version documents problems
- IOTDB-2 Maven Test failed before run mvn package -Dmaven.test.skip=true
- IOTDB-7 OpenFileNumUtilTest failed
- IOTDB-15 Fail to install IoTDB on Ubuntu 14.04
- IOTDB-16 Invalid link on https://iotdb.apache.org/#/Documents/Quick Start
- IOTDB-17 Need to update chapter Start of https://iotdb.apache.org/#/Documents/Quick Start
- IOTDB-18 IoTDB startup script does not work on openjdk11
- IOTDB-19 Fail to start start-server.sh script on Ubuntu 14.04/Ubuntu 16.04
- IOTDB-22 BUG in TsFileSequenceReader when reading tsfile
- IOTDB-24 DELETION error after restart a server
- IOTDB-26 Return error when quit client
- IOTDB-27 Delete error message
- IOTDB-30 Flush timeseries cause select to returns "Msg:null"
- IOTDB-31 Cannot set float number precision
- IOTDB-34 Invalid message for show storage group
- IOTDB-44 Error message in server log when select timeseries
- IOTDB-49 Authorizer module outputs too many debug log info
- IOTDB-50 DataSetWithoutTimeGenerator's initHeap behaves wrongly
- IOTDB-52 Cli doesn't support aggregate
- IOTDB-54 Predicates doesn't take effect
- IOTDB-67 ValueDecoder reading new page bug
- IOTDB-70 Disconnect from server when logging in fails
- IOTDB-71 Improve readPositionInfo
- IOTDB-74 THe damaged log will be skipped if it is the only log
- IOTDB-79 Long term test failed because of the version control of deletion function
- IOTDB-81 Fix Windows OS environment for Travis-CI
- IOTDB-82 File not closed in PageHeaderTest and cause UT on Windows fails
- IOTDB-84 Out-of-memory bug
- IOTDB-94 IoTDB failed to start client since the required jars are not in the right folder
- IOTDB-96 The JDBC interface throws an exception when executing the SQL statement "list user"
- IOTDB-99 List privileges User on cannot be used properly
- IOTDB-100 Return error message while executing sum aggregation query
- IOTDB-103 Does not give a hint when encountering unsupported data types
- IOTDB-104 MManager is incorrectly recovered when system reboots
- IOTDB-108 Mistakes in documents
- IOTDB-110 Cli inserts data normally even if there is no space left on the disk
- IOTDB-118 When the disk space is full, the storage group is created successfully
- IOTDB-121 A bug of query on value columns
- IOTDB-128 Probably a bug in iotdb official website
- IOTDB-129 A bug in restoring incomplete tsfile when system restart
- IOTDB-131 IoTDB-Grafana module error when getting the timeseries list from Grafana
- IOTDB-133 Some content is mistaken for links
- System memory check failure in iotdb-env.sh
- Time zone bug in different region
- DateTimeUtilsTest UT bug
- Problem discovered by Sonar
- Openjdk11 + linux11 does not work on travis
- Start JDBC service too slowly
- JDBC cannot be closed
- Close bug in sync thread
- Bug in MManager to get all file names of a path
- Version files of different storage groups are placed into the same place
- Import/export csv script bug
- Log level and stack print in test
- Bug in TsFile-Spark-Connector
- A doc bug of QuickStart.md