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Add 305 release notes #409

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merged 2 commits into from Mar 8, 2019

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@electrum
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electrum commented Mar 7, 2019

Fixes #342

@cla-bot cla-bot bot added the cla-signed label Mar 7, 2019

* Fix a rare ``ClassLoader`` related problem for plugins providing an ``EventListenerFactory``. (:issue:`299`)
* Un-hide ``join_max_broadcast_table_size`` session property. (:issue:`346`)
* Improve performance of queries when spill is enabled, but spill is not triggered. (:issue:`315`)
* Improve memory cost estimations by calculating a plan's estimated peak memory usage. (:issue:`247`)

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@dain

dain Mar 7, 2019

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Consider estimated query peak memory when making cost based decisions.
Resource Groups Changes
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* Fix selection when selector uses pattern named capturing group as a variable. (:issue:`373`)

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dain Mar 7, 2019

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I'm not sure what that means?

Web UI Changes
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* Display peak revocable memory, and current and peak total memory, in detailed query view. (:issue:`273`)

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dain Mar 7, 2019

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Display peak revocable memory, current total memory, and peak total memory, in detailed query view.

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dain Mar 8, 2019

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I'd still make this change, but it is up to you.

@electrum electrum force-pushed the electrum:release branch from 8d0d648 to 8f7e755 Mar 7, 2019

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dain approved these changes Mar 8, 2019

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dain left a comment

looks good to me

Web UI Changes
--------------

* Display peak revocable memory, and current and peak total memory, in detailed query view. (:issue:`273`)

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dain Mar 8, 2019

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I'd still make this change, but it is up to you.

@electrum electrum force-pushed the electrum:release branch from 8f7e755 to 2f47c35 Mar 8, 2019

* Fix failure of :doc:`/functions/regexp` for certain patterns and inputs
when using the default ``JONI`` library. (:issue:`350`)
* Fix a rare ``ClassLoader`` related problem for plugins providing an ``EventListenerFactory``. (:issue:`299`)
* Un-hide ``join_max_broadcast_table_size`` session property. (:issue:`346`)

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@martint

martint Mar 8, 2019

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"Expose [...], which was previously hidden."

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* Display peak revocable memory, current total memory,
and peak total memory, in detailed query view. (:issue:`273`)

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@martint

martint Mar 8, 2019

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The comma before "in" sounds funny.

* Fix calculation of bucket number for timestamps that contain a non-zero
milliseconds value. Previously, data would be written into the wrong bucket,
or could be incorrectly skipped on read. (:issue:`366`)
* Allow writing ORC files compatible with Hive 2.0.0 to 2.2.0 by pretending

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@martint

martint Mar 8, 2019

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Why is this relevant: "by pretending that the writer is an old version of Hive" ?

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electrum Mar 8, 2019

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Because it works by identifying itself as Hive in the file

@electrum electrum force-pushed the electrum:release branch from 2f47c35 to 773f37b Mar 8, 2019

@electrum electrum force-pushed the electrum:release branch from 773f37b to a6206df Mar 8, 2019

@electrum electrum merged commit 69d83c8 into prestosql:master Mar 8, 2019

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@electrum electrum deleted the electrum:release branch Mar 8, 2019

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