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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2019/10/16 13:09:00 UTC
[jira] [Resolved] (SPARK-29468) Floating point literals produce
incorrect SQL
[ https://issues.apache.org/jira/browse/SPARK-29468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan resolved SPARK-29468.
---------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 26114
[https://github.com/apache/spark/pull/26114]
> Floating point literals produce incorrect SQL
> ---------------------------------------------
>
> Key: SPARK-29468
> URL: https://issues.apache.org/jira/browse/SPARK-29468
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4
> Reporter: Jose Torres
> Assignee: Jose Torres
> Priority: Major
> Fix For: 3.0.0
>
>
> A FLOAT literal 1.2345 returns SQL `CAST(1.2345 AS FLOAT)`. For very small values this doesn't work; `CAST(1e-44 AS FLOAT)` for example doesn't parse, because the parser tries to squeeze the numeric literal 1e-44 into a DECIMAL(38).
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