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https://issues.apache.org/jira/browse/DRILL-6094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16452483#comment-16452483
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ASF GitHub Bot commented on DRILL-6094:
---------------------------------------
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/1232#discussion_r184061116
--- Diff: exec/java-exec/src/test/java/org/apache/drill/PlanningBase.java
---
@@ -20,12 +20,17 @@
import java.io.IOException;
import java.net.URL;
+import com.google.common.base.Function;
--- End diff --
I tested it manually. I considered 2 options:
1. UDF has an input old decimal type. In this case, function resolver adds
cast from vardecimal to old decimal type which is used in UDF.
2. UDF returns the old decimal type. In this case, Drill casts the result
of UDF to vardecimal.
> 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
> Labels: doc-impacting
> Fix For: 1.14.0
>
>
> 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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