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[expand - 2 more] - CalciteRemoteDriverTest vs avatica.MetaImpl vs avatica.server.Main thread safety - Calcite - [mail # dev]
...Julian> allocate a new object per requestJosh> The Meta implementation inside of the Avatica server is a singleton,Julian, I don't think singletones can be allocated per request.I don'...
   Author: Vladimir Sitnikov , 2019-02-15, 21:00
[CALCITE-2853] avatica.MetaImpl and calcite.jdbc.CalciteMetaImpl are not thread-safe - Calcite - [issue]
...MetaImpl is a server-side singletone, and CalciteMetaImpl never creates connections.This causes all the incoming requests to be served by a single connection only, and it produces in wrong r...
http://issues.apache.org/jira/browse/CALCITE-2853    Author: Vladimir Sitnikov , 2019-02-15, 20:57
[expand - 2 more] - new RuntimeException(Throwable) vs SneakyThrows - Calcite - [mail # dev]
...Julian> Do you propose to ban ’throw new RuntimeException(e)’ in allcode or just in tests?I'm 100.42% sure we should ban new RuntimeException(e)  and all theother cases like "new Thr...
   Author: Vladimir Sitnikov , 2019-02-14, 20:48
[CALCITE-2817] Make CannotPlanException great - Calcite - [issue]
...1) Empty subsets are the typical offenders for CannotPlan, so identify them and print before printing the planner dump2) Print Graphviz-compatible output as well so the output is easier to u...
http://issues.apache.org/jira/browse/CALCITE-2817    Author: Vladimir Sitnikov , 2019-02-14, 03:55
[CALCITE-2845] Avatica duplicates exception messages - Calcite - [issue]
...https://github.com/apache/calcite-avatica/blob/3cfafde9f5f0f1fc3ddc60b5a4db19762c73b96b/core/src/main/java/org/apache/calcite/avatica/AvaticaConnection.java#L577-L578    } catch (E...
http://issues.apache.org/jira/browse/CALCITE-2845    Author: Vladimir Sitnikov , 2019-02-13, 15:44
[DISCUSS] Towards Calcite 1.19.0 - Calcite - [mail # dev]
...Kevin, thank you for devoting your time.I would like to integrate CALCITE-2817 (Make CannotPlanException great)although there are slight changes required.I wonder if https://issues.apache.or...
   Author: Vladimir Sitnikov , 2019-02-12, 18:01
[DISCUSS] Move site repositories from svn to gitbox - Calcite - [mail # dev]
...Francis> How do you guys feel about moving our site's repository fromsvn to GitBox?+1Vladimir...
   Author: Vladimir Sitnikov , 2019-02-11, 10:17
Calcite's CBO - Calcite - [mail # dev]
...>And how does calcite> compare the costs of different nodes in different convention?Lekshmi, please check RelOptCost interface.https://github.com/apache/calcite/blob/9721283bd0ce46a337...
   Author: Vladimir Sitnikov , 2019-02-08, 19:44
Broken Travis - Calcite - [mail # dev]
...Julian> Vladimir, can you please take a look?As you see, the commit did not touch "Calcite Plus", so I don't reallythink the commit is to blame here. It looks more like JDK-8212233 tome.O...
   Author: Vladimir Sitnikov , 2019-02-08, 19:28
[expand - 13 more] - Principle of least astonishment when dealing with Rules and RelBuidlerFactory - Calcite - [mail # dev]
...Stamatis >In proposal (ii) the changes will propagate to rulesStamatis > which need to match operands in different conventions.The changes will propagate to almost all the rules.For in...
   Author: Vladimir Sitnikov , 2019-02-07, 10:24