v0.4.1

[0.4.1] - 2022-02-09

Features

• Improve CLI error messages and support the 'enable_trace' system variable (#1129 @jingchen2222)

Bug Fixes

• CLI coredumps when it fails to connect to a nameserver. (#1166 @keyu813)
• Java SDK has the issue of memory leaks. (#1148 @dl239)
• The startup fails if a pid file exists. (#1108 @dl239)
• There are incorrect values for the column with the date type when loading data into an online table. (#1103 @yabg-shuai666)
• Offline data import for the CSV format may cause incorrect results. (#1100 @yabg-shuai666)
• 'Offline path' cannot be displayed after importing offline data. (#1172 @vagetablechicken)

v0.4.0

[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

OpenMLDB v0.3.2

Features

• add at analytic function, it is a symptom to lag

hybridse-v0.3.2

fix: prepare_release.sh

OpenMLDB v0.3.0

Highlight

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.

• The standalone deployment mode #440
• Connection establishment by specifying the host name and port in CLI #441
• LOAD DATA command for bulk loading #443
• SQL syntax support for exporting data: SELECT INTO FILE #455
• Deployment commands: DEPLOY, SHOW DEPLOYMENT, and DROP DEPLOYMENT #460 #447

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 #555
• Supporting SQL queries over multiple databases #476
• Supporting inserting multiple tuples into a table using a single SQL #398
• Improvements for Java SDK:
  The new API getTableSchema #483
  The new API genDDL, which is used to generate DDLs according to a given SQL script #588

Bugfix

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

hybridse-v0.3.0

docs: add quickstart (#654)

OpenMLDB v0.2.3

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

Hybridse v0.2.3

Feature

• Experimental Support parameterized query under BatchMode #262

SQL Syntax

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

OpenMLDB 0.2.2

Feature

• Add VARCHAR Type #196

Bug Fix

• Fix invalid back qoute identifier name #192. Note: option key can't write as multiple path style (e.g a.b) now
• InsertPreparedStatement set month by mistake when use Date type [#200]

v0.2.1

v0.2.1

Changes:

• add arm64 docker demo image

Note:

For other purpose, use v0.2.0