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https://issues.apache.org/jira/browse/SPARK-29846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17070180#comment-17070180
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Dongjoon Hyun commented on SPARK-29846:
---------------------------------------
Hi, All.
I close this issue as `Won't Do` because of SPARK-31147. CHAR is not support
mainly.
> PostgreSQL dialect: cast to char
> --------------------------------
>
> Key: SPARK-29846
> URL: https://issues.apache.org/jira/browse/SPARK-29846
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: jobit mathew
> Priority: Minor
>
> Make SparkSQL's cast to char behavior be consistent with PostgreSQL when
> spark.sql.dialect is configured as PostgreSQL.
> {code:java}
> spark-sql> select cast ('10.2222222222222222222222333333333333333' as
> char(5));
> 10.2222222222222222222222333333333333333
> Time taken: 0.062 seconds, Fetched 1 row(s)
> spark-sql>
> {code}
> *postgresql*
> select cast ('10.2222222222222222222222333333333333333' as char(5));
>
> || ||bpchar||
> |1|10.22|
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