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21 | 21 |
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| 22 | +# Apache IoTDB 2.0.3 |
| 23 | + |
| 24 | +## Features & Improvements |
| 25 | + |
| 26 | +- Data Query: Added new aggregate function count_if and scalar functions greatest / least to the table model. |
| 27 | +- Data Query: Significantly improved the performance of full-table count(*) queries in the table model. |
| 28 | +- AI Management: Added timestamps to the results returned by AINode. |
| 29 | +- System Management: Optimized the performance of the table model's metadata module. |
| 30 | +- System Management: Enabled the table model to actively listens and loads TsFile. |
| 31 | +- System Management: Added support for TsBlock deserialization in the Python and Go client query interfaces. |
| 32 | +- Ecosystem Integration: Expanded the table model's ecosystem to integrate with Spark. |
| 33 | +- Scripts and Tools: The import-schema and export-schema scripts now support importing and exporting metadata for the table model. |
| 34 | +- ... |
| 35 | + |
| 36 | +## Bugs |
| 37 | + |
| 38 | +- Fixed the issue where a single write request exceeding the total size of the WAL queue caused write queries to hang. |
| 39 | +- Fixed the issue where the receiver experienced OOM (Out of Memory) after resuming synchronization following a long period of inactivity. |
| 40 | +- Fixed the issue where repeatedly setting TTL for DB and Table led to inserted data being unqueryable and returning an empty list. |
| 41 | +- Fixed the issue where a regular user with create+insert permissions on a table encountered exceptions when loading tsfile. |
| 42 | +- Fixed the issue where passwords were logged when SessionPool getSession timed out. |
| 43 | +- Fixed the issue in the Go client tree model query interface where the absence of a check for the Time column led to an "index out of range [-1]" error when retrieving Time column data. |
| 44 | +- Fixed the issue where distinct hits aggregate pushdown optimization and is used with group by date_bin, causing execution exceptions in aggregate queries. |
| 45 | +- Fixed the issue of whitespace characters at the beginning and end of port and directory address parameters in the configuration file. |
| 46 | +- Fixed the issue where setting the maximum number of concurrent RPC clients less than the number of CPU threads caused DN startup failure. |
| 47 | +- Fixed the issue where using a template, after activation, writing to extended columns, and then creating a pipe, caused the series under the device to double. |
| 48 | +- Fixed the issue where metadata synchronization, creating a pipe after a template, caused the series to double when using show timeseries. |
| 49 | +- Fixed the issue where a regular user with INSERT permissions encountered exceptions when exporting metadata using export-schema.sh. |
| 50 | +- ... |
| 51 | + |
| 52 | +# Apache IoTDB 2.0.2-1 |
| 53 | + |
| 54 | +This is a bug-fix version of 2.0.2 |
| 55 | + |
| 56 | +- Fix the bug that will remove the data partition table by mistake in case of us/ns time precision and using ttl |
| 57 | + |
| 58 | + |
22 | 59 | # Apache IoTDB 2.0.2 |
23 | 60 |
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24 | 61 | ## Features & Improvements |
|
86 | 123 |
|
87 | 124 | ... |
88 | 125 |
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| 126 | +# Apache IoTDB 1.3.4-1 |
| 127 | + |
| 128 | +This is a bug-fix version of 1.3.4 |
| 129 | + |
| 130 | +- Fix the bug that will remove the data partition table by mistake in case of us/ns time precision and using ttl |
| 131 | + |
| 132 | + |
89 | 133 | # Apache IoTDB 1.3.4 |
90 | 134 |
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91 | 135 | ## Features & Improvements |
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