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Changelog

0.4.0 - 2022-01-14

Highlights

  • The SQL-centric feature is enhanced for both standalone and cluster versions. Now you can enjoy the SQL-centric development and deployment experience seamlessly. (#991,#1034,#1071,#1064,#1061,#1049,#1045,#1038,#1034,#1029,#997,#996,#968,#946,#840,#830,#814,#776,#774,#764,#747,#740,#466,#481,#1033,#1027,#966,#951,#950,#932,#853,#835,#804,#800,#596,#595,#568,#873,#1025,#1021,#1019,#994,#991,#987,#912,#896,#894,#893,#873,#778,#777,#745,#737,#701,#570,#559,#558,#553 @tobegit3hub; #1030,#965,#933,#920,#829,#783,#754,#1005,#998 @vagetablechicken)
  • The Chinese documentations are thoroughly polished and accessible at https://docs.openmldb.ai/ . This documentation repository is available at https://github.com/4paradigm/openmldb-docs-zh , and you are welcome to make contributions.
  • Experimental feature: We have introduced a monitoring module based on Prometheus + Grafana for online feature processing. (#1048 @aceforeverd)

Other Features

  • Support SQL syntax: LIKE, HAVING (#841 @aceforeverd; #927,#698 @jingchen2222)
  • Support new built-in functions: reverse (#1004 @nautaa), dayofyear (#856 @Nicholas-SR)
  • Improve the compilation and install process, and support building from sources (#999,#871,#594,#752,#793,#805,#875,#871,#999 @aceforeverd; #992 @vagetablechicken)
  • Improve the GitHub CI/CD workflow (#842,#884,#875,#919,#1056,#874 @aceforeverd)
  • Support system databases and tables (#773 @dl239)
  • Improve the function create index (#828 @dl239)
  • Improve the demo image (#1023,#690,#734,#751 @zhanghaohit)
  • Improve the Python SDK (#913,#906 @tobegit3hub;#949,#909 @HuilinWu2; #838 @dl239)
  • Simplify the concepts of execution modes (#877,#985,#892 @jingchen2222)
  • Add data import and export for the cluster version (#1078 @tobegit3hub)
  • Add new deployment command for the cluster version (#921 @dl239)
  • Support default values when creating a table (#563 @zoyopei)
  • Support string delimiters and quotes (#668 @ZackeryWang)
  • Add a new lru_cache to support upsert (#795 @vagetablechicken)
  • Support adding index with any ts_col (#828 @dl239)
  • Improve the ts packing in sql_insert_now (#944 ,#974 @keyu813)
  • Improve documentations (#952 #885 @mahengyang; #834 @Nicholas-SR; #792,#1058,#1002,#872,#836,#792 @lumianph; #844,#782 @jingchen2222; #1022,#805 @aceforeverd)
  • Other minor updates (#1073 @dl239)

Bug Fixes

#847, #831, #647, #934, #953, #1015, #982, #927, #994, #1008, #1028, #1019, #779, #855, #350, #631, #1074, #1073, #1081

@nautaa, @Nicholas-SR, @aceforeverd, @dl239, @jingchen2222, @tobegit3hub, @keyu813

0.3.0 - 2021-11-05

Highlights

We introduce a new standalone mode that can be deployed on a single node, which is suitable for small businesses and the demonstration purpose. Please read more details from here. The standalone mode is particularly enhanced for ease of use based on the following features that are supported by standalone mode only.

Other Features

  • A new CLI command to support different levels of performance sensitivity: SET performance_sensitive=true|false. When it is set to false, SQL queries can be executed without indexes. Please read here for more details about the performance sensitivity configuration 4paradigm#555
  • Supporting SQL queries over multiple databases 4paradigm#476
  • Supporting inserting multiple tuples into a table using a single SQL 4paradigm#398
  • Improvements for Java SDK: The new API getTableSchema 4paradigm#483 The new API genDDL, which is used to generate DDLs according to a given SQL script 4paradigm#588

Bugfix

  • Exceptions caused by certain physical plans with special structures when performing column resolve for logical plans. 4paradigm#437
  • Under specific circumstances, unexpected outcomes produced by SQL queries with the WHERE when certain WHERE conditions do not fit into indexes 4paradigm#599
  • The bug when enabling WindowParallelOpt and WindowSkewOptimization at the same times 4paradigm#444
  • The bug of LCA (Lowest Common Ancestor) algorithm to support WindowParallelOpt for particular SQLs 4paradigm#485
  • Workaround for the Spark bug (SPARK-36932) when the columns with the same names in LastJoin 4paradigm#484

Acknowledgement

We appreciate the contribution to this release from external contributors who are not from 4Paradigm's core OpenMLDB team, including Kanekanekane, shawn-happy, lotabout, Shouren, zoyopei, huqianshan

0.2.3 - 2021-08-31

Feature

  • Data importer support bulk load #250
  • Support parameterized query under BatchMode #262, #168
  • Support Hive metastore and Iceberg tables for offline #245, #146
  • Integrated with Trino #254
  • Support global SortBy node for offline #296

Bug Fix

  • Fix end2end offline tests for the same SQL #300
  • desc do not display the value of ttl after adding index#156

SQL Syntax

  • nvl & nvl2: #238
  • bitwise operators: &, |, ^, ~ #244
  • between predicate: #277

0.2.2 - 2021-08-08

Feature

  • Add VARCHAR Type #237

Bug Fix

  • Fix invalid back qoute identifier name #263 can't write as multiple path style (e.g a.b) now
  • InsertPreparedStatement set month by mistake when use Date type #200

Note:

OPTIONS can't write as multiple path style (e.g a.b) now

0.2.0 - 2021-07-22

Features

  • Refactor front-end using zetasql. Thus OpenMLDB can support more SQL syntaxs and provide friendly syntax error message.
  • Better code style and comment
  • Add APIServer module. User can use Rest API access OpenMLDB.#48

SQL Syntax

Changed

  • table options syntax: #103
  • lead method: #136

Removed

  • || and && as logical operator: #264
  • at function: #265

Note

  • openmldb-0.2.0-linux.tar.gz targets on x86_64
  • aarch64 artifacts consider experimental