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https://issues.apache.org/jira/browse/DRILL-6094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445823#comment-16445823
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ASF GitHub Bot commented on DRILL-6094:
---------------------------------------
GitHub user vvysotskyi opened a pull request:
https://github.com/apache/drill/pull/1232
DRILL-6094: Decimal data type enhancements
For details please see [design
document](https://docs.google.com/document/d/1kfWUZ_OsEmLOJu_tKZO0-ZUJwc52drrm15fyif7BmzQ/edit?usp=sharing)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vvysotskyi/drill DRILL-6094
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/1232.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1232
----
commit a276870d6bad293da0311aed746fb68a2268700b
Author: Dave Oshinsky <daveoshinsky@...>
Date: 2016-02-09T22:37:47Z
DRILL-4184: Support variable length decimal fields in parquet
commit 84a31b92dc86873d14a7be601d189bb1cbd59b7d
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-05T12:35:42Z
DRILL-6094: Decimal data type enhancements
Add ExprVisitors for VARDECIMAL
commit e93cd93211ffa84586ee0d21dab26b128d81b290
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-05T14:28:39Z
DRILL-6094: Modify writers/readers to support VARDECIMAL
- Added usage of VarDecimal for parquet, hive, maprdb, jdbc;
- Added options to store decimals as int32 and int64 or
fixed_len_byte_array or binary;
commit 8690897a4a2820f4e965cb562107782f1e57a99a
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-03T13:27:25Z
DRILL-6094: Refresh protobuf C++ source files
commit fbe93c46ed8a7e85a95da3ae145bfc00b7f17dd0
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-05T14:44:05Z
DRILL-6094: Add UDFs for VARDECIMAL data type
- modify type inference rules
- remove UDFs for obsolete DECIMAL types
commit 746e54f71464a9dea91c3860ba0346e40c1d6ddf
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-05T14:48:31Z
DRILL-6094: Enable DECIMAL data type by default
commit 46ce3d1504618ae7e547479280f5d60b35ec1caa
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-05T14:51:39Z
DRILL-6094: Add unit tests for DECIMAL data type
commit f62545390a37425b9fbb21881e4cd12ade337e73
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-05T14:58:36Z
DRILL-6094: Changes in C++ files
commit 7a04309605c0cd869a9eb55450aaa43c0088b425
Author: Volodymyr Vysotskyi <vvovyk@...>
Date: 2018-04-10T12:55:17Z
DRILL-6094: Fix mapping for NLJ when literal with non-primitive type is
used in join conditions
----
> Decimal data type enhancements
> ------------------------------
>
> Key: DRILL-6094
> URL: https://issues.apache.org/jira/browse/DRILL-6094
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.12.0
> Reporter: Volodymyr Vysotskyi
> Assignee: Volodymyr Vysotskyi
> Priority: Major
>
> Currently, Decimal types are disabled by default since existing Decimal
> implementation has a lot of flaws and performance problems. The goal of this
> Jira to describe majority of them and possible ways of improving existing
> implementation to be able to enable Decimal data types by default.
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