liyafan82 commented on a change in pull request #2741:
URL: https://github.com/apache/calcite/pull/2741#discussion_r823739337
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@@ -29,6 +29,162 @@ Downloads are available on the
[downloads page]({{ site.baseurl }}/downloads/).
+## <a
href="https://github.com/apache/calcite/releases/tag/calcite-1.30.0";>1.30.0</a>
/ 2022-03-04
+{: #v1-30-0}
+
+This release comes two months after [1.29.0](#v1-29-0),
+contains contributions from 29 authors,
+and resolves 37 issues.
+
+Among others, it is worth highlighting the following.
+
+* [Babel parser support MySQL NULL-safe equal operator
'<=>'](https://issues.apache.org/jira/browse/CALCITE-4980)
+* [Support SQL hints for temporal table
join](https://issues.apache.org/jira/browse/CALCITE-4967)
+* [Fluent test fixtures so that dependent projects can write parser, validator
and rules
tests](https://issues.apache.org/jira/browse/CALCITE-4885";>CALCITE-4885)
+* [Add functions `ARRAY_CONCAT`, `ARRAY_REVERSE`, `ARRAY_LENGTH` for BigQuery
dialect](https://issues.apache.org/jira/browse/CALCITE-4822";>CALCITE-4822)
+* [Vulnerability issue CVE-2021-27568
fixed](https://nvd.nist.gov/vuln/detail/CVE-2021-27568)
+
+
+Compatibility: This release is tested on Linux, macOS, Microsoft Windows;
+using JDK/OpenJDK versions 8 to 17;
+Guava versions 19.0 to 31.0.1-jre;
+other software versions as specified in gradle.properties.
+
+Contributors to this release:
+
+Alessandro Solimando,
+Bill Neil,
+Chen Kai,
+Eugen Stan,
+Feng Zhu,
+Jacques Nadeau,
+Jake Xie,
+Jay Narale,
+Jiatao Tao,
+Jing Zhang,
+Julian Hyde,
+LM Kang,
+Liya Fan (release manager),
+Marco Jorge,
+Marieke Gueye,
+NobiGo,
+Roman Puchkovskiy,
+Ruben Quesada Lopez,
+Scott Reynolds,
+Soumyakanti Das,
+Stamatis Zampetakis,
+Vova Vysotskyi,
+Will Noble,
+Xiong Duan,
+Yanjing Wang,
+Yiqun Zhang,
+Xurenhe,
+Zhe Hu,
+mans2singh.
+
+#### New features
+{: #new-features-1-30-0}
+
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4980";>CALCITE-4980</a>]
+ Babel parser support MySQL NULL-safe equal operator '<=>'
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4967";>CALCITE-4967</a>]
+ Support SQL hints for temporal table join
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4885";>CALCITE-4885</a>]
+ Fluent test fixtures so that dependent projects can write parser, validator
and rules tests
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4822";>CALCITE-4822</a>]
+ Add functions `ARRAY_CONCAT`, `ARRAY_REVERSE`, `ARRAY_LENGTH` for BigQuery
dialect
+
+#### Bug-fixes, API changes and minor enhancements
+{: #fixes-1-30-0}
+
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-5019";>CALCITE-5019</a>]
+ Avoid multiple scans when table is `ProjectableFilterableTable` and
projections and filters act on different columns
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-5011";>CALCITE-5011</a>]
+ `CassandraAdapterDataTypesTest` fails with initialization error
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-5008";>CALCITE-5008</a>]
+ Ignore synthetic and static methods in `MetadataDef`
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4997";>CALCITE-4997</a>]
+ Keep `APPROX_COUNT_DISTINCT` in some `SqlDialect`s
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4996";>CALCITE-4996</a>]
+ In `RelJson`, add a `readExpression` method that converts JSON to a RexNode
expression
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4995";>CALCITE-4995</a>]
+ `AssertionError` caused by `RelFieldTrimmer` on SEMI/ANTI join
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4994";>CALCITE-4994</a>]
+ SQL-to-RelNode conversion is slow if table contains hundreds of fields
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4991";>CALCITE-4991</a>]
+ Improve `RuleEventLogger` to also print input rels in `FULL_PLAN` mode
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4988";>CALCITE-4988</a>]
+ `((A IS NOT NULL OR B) AND A IS NOT NULL)` can't be simplify to `(A IS NOT
NULL)` When `A` is deterministic
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4986";>CALCITE-4986</a>]
+ Make `HepProgram` thread-safe
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4968";>CALCITE-4968</a>]
+ Use TOP N for MsSQL instead of FETCH without OFFSET
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4965";>CALCITE-4965</a>]
+ IS NOT NULL failed in Elasticsearch Adapter
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4963";>CALCITE-4963</a>]
+ Make it easier to implement interface `SqlDialectFactory`
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4953";>CALCITE-4953</a>]
+ Deprecate `TableAccessMap` class
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4952";>CALCITE-4952</a>]
+ Introduce a simplistic `RelMetadataQuery` option
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4912";>CALCITE-4912</a>]
+ Confusing javadoc of `RexSimplify.simplify`
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4901";>CALCITE-4901</a>]
+ JDBC adapter incorrectly adds ORDER BY columns to the SELECT list of
generated SQL query
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4877";>CALCITE-4877</a>]
+ Support Snapshot in `RelMdColumnOrigins`
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4872";>CALCITE-4872</a>]
+ Add `UNKNOWN` value to enum `SqlTypeName`, distinct from the `NULL` type
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4702";>CALCITE-4702</a>]
+ Error when executing query with GROUP BY constant via JDBC adapter
+* [<a
href="https://issues.apache.org/jira/browse/CALCITE-4683";>CALCITE-4683</a>]
+ IN-list converted to JOIN throws type mismatch exception
Review comment:
Made another pass, and added backticks. Please check. Thanks.
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