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update RN
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HTHou committed Feb 11, 2025
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37 changes: 37 additions & 0 deletions RELEASE_NOTES.md
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# Apache IoTDB 2.0.1-beta

## Features & Improvements

- Table Model: IoTDB has introduced a new model named table model, and supports standard SQL query syntax, including SELECT, WHERE, JOIN, GROUP BY, ORDER BY, LIMIT clause and subQuery.
- Data Query: The table model supports a variety of functions and operators, including logical operators, mathematical functions, and the time-series specific function DIFF, etc.
- Data Query: The databases of the table model and tree model are invisible to each other, and users can choose the appropriate model based on their needs.
- Data Query: Users can control the loading of UDF, PipePlugin, Trigger, and AINode via URI with configuration items to load JAR packages.
- Storage Engine: The table model supports data ingestion through the Session interface, and the Session interface supports automatic metadata creation.
- Storage Engine: The Python client now supports four new data types: String, Blob, Date, and Timestamp.
- Storage Engine: The comparison rules for the priority of same-type merge tasks have been optimized.
- Data Synchronization: Support for specifying authentication information of the receiving end at the sending end.
- Stream Processing Module: TsFile Load now supports the table model.
- Stream Processing Module: Pipe now supports the table model.
- System Management: The Benchmark tool has been adapted to support the table model.
- System Management: The Benchmark tool now supports four new data types: String, Blob, Date, and Timestamp.
- System Management: The stability of DataNode scaling down has been enhanced.
- System Management: Users are now allowed to perform drop database operations in readonly mode.
- Scripts and Tools: The import-data/export-data scripts have been extended to support new data types (string, binary large objects, date, timestamp).
- Scripts and Tools: The import-data/export-data scripts have been iterated to support the import and export of three types of data: TsFile, CSV, and SQL.
- Ecosystem Integration: Support for Kubernetes Operator.
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## Bugs

- Fixed the issue where the query result set contained duplicate timestamps.
- Fixed the issue where deleted data could be queried again when triggered to merge after deletion.
- Fixed the issue where the target sequence in SELECT INTO containing backticks would result in writing the wrong sequence.
- Fixed the issue where an array out-of-bounds exception was thrown in the HAVING clause of the tree model due to a non-existent column name.
- Fixed the issue where MergeReader needed to consider memory allocation to avoid negative available memory during out-of-order and reverse queries.
- Fixed the issue where the CN in the cluster could not register large pipe plugins (greater than 100MB) and the parameters were not configurable.
- Fixed the issue of controlling the memory size of TimeIndex referenced by Pipe for TsFileResource.
- Fixed the issue where the Storage Engine - File Count - mods displayed negative values on the monitoring dashboard.
- Fixed the issue where the query result order was incorrect in the C# client.

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# Apache IoTDB 1.3.3

## Features & Improvements
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2 changes: 1 addition & 1 deletion iotdb-client/jdbc/src/main/feature/feature.xml
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<features xmlns="http://karaf.apache.org/xmlns/features/v1.5.0" name="driver-s7-feature">
<feature name="iotdb-feature" description="iotdb-feature" version="1.3.3">
<feature name="iotdb-feature" description="iotdb-feature" version="2.0.1-beta">
<details>Feature to install required Bundle to use IoTDB inside Karaf container</details>
<feature prerequisite="true">wrap</feature>
<feature>scr</feature>
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4 changes: 2 additions & 2 deletions iotdb-core/ainode/pyproject.toml
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[tool.poetry]
name = "apache-iotdb-ainode"
version = "2.0.0.dev"
version = "2.0.1-beta"
description = "Apache IoTDB AINode"
readme = "README.md"
authors = ["Apache Software Foundation <dev@iotdb.apache.org>"]
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hmmlearn = "^0.3.0"

[tool.poetry.scripts]
ainode = "iotdb.ainode.script:main"
ainode = "iotdb.ainode.script:main"

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