This is an automated email from the ASF dual-hosted git repository. hyuan pushed a commit to branch branch-1.23 in repository https://gitbox.apache.org/repos/asf/calcite.git
commit dfea3871b863436d8c93f92377a5fb92520cd8c7 Author: Haisheng Yuan <h.y...@alibaba-inc.com> AuthorDate: Sat May 23 22:23:51 2020 -0500 Add 1.23.0 release announcement --- site/_posts/2020-05-23-release-1.23.0.md | 49 ++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/site/_posts/2020-05-23-release-1.23.0.md b/site/_posts/2020-05-23-release-1.23.0.md new file mode 100644 index 0000000..60ef7c5 --- /dev/null +++ b/site/_posts/2020-05-23-release-1.23.0.md @@ -0,0 +1,49 @@ +--- +layout: news_item +date: "2020-05-23 22:30:00 -0500" +author: hyuan +version: 1.23.0 +categories: [release] +tag: v1-23-0 +sha: b708fdc46d4c5fd4c5a6c7a398823318a7b4dce3 +--- +<!-- +{% comment %} +Licensed to the Apache Software Foundation (ASF) under one or more +contributor license agreements. See the NOTICE file distributed with +this work for additional information regarding copyright ownership. +The ASF licenses this file to you under the Apache License, Version 2.0 +(the "License"); you may not use this file except in compliance with +the License. You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +{% endcomment %} +--> + +The [Apache Calcite PMC]({{ site.baseurl }}) +is pleased to announce +[Apache Calcite release 1.23.0]({{ site.baseurl }}/docs/history.html#v1-23-0). + +This release comes two months after 1.22.0. It includes more than 100 resolved +issues, comprising a lot of new features as well as performance improvements +and bug-fixes. For some complex queries, the planning speed can be 50x or more +faster than previous versions with built-in default rule set. It is also worth +highlighting that Calcite now: + +* Supports top down trait request and trait enforcement without abstract converter + (<a href="https://issues.apache.org/jira/browse/CALCITE-3896">CALCITE-3896</a>) +* Improves `VolcanoPlanner` performance by removing rule match and subset importance + (<a href="https://issues.apache.org/jira/browse/CALCITE-3753">CALCITE-3753</a>) +* Improves `VolcanoPlanner` performance when abstract converter is enabled + (<a href="https://issues.apache.org/jira/browse/CALCITE-2970">CALCITE-2970</a>) +* Supports ClickHouse dialect + (<a href="https://issues.apache.org/jira/browse/CALCITE-2157">CALCITE-2157</a>) +* Supports `SESSION` and `HOP` Table function + (<a href="https://issues.apache.org/jira/browse/CALCITE-3780">CALCITE-3780</a>, + <a href="https://issues.apache.org/jira/browse/CALCITE-3737">CALCITE-3737</a>)