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Posted to issues@spark.apache.org by "ulysses you (Jira)" <ji...@apache.org> on 2021/01/18 08:43:00 UTC
[jira] [Updated] (SPARK-34150) Strip Null literal.sql in resolve
alias
[ https://issues.apache.org/jira/browse/SPARK-34150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ulysses you updated SPARK-34150:
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Description: We will convert `Literal(null)` to target data type during analysis. Then the generated alias name will include something like `CAST(NULL AS String)` instead of `NULL`. (was: We will convert `Literal(null)` to target data type during analysis. Then the generated alias name will include something like `CAST(NULL AS INT)` instead of `NULL`.)
> Strip Null literal.sql in resolve alias
> ---------------------------------------
>
> Key: SPARK-34150
> URL: https://issues.apache.org/jira/browse/SPARK-34150
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: ulysses you
> Priority: Minor
>
> We will convert `Literal(null)` to target data type during analysis. Then the generated alias name will include something like `CAST(NULL AS String)` instead of `NULL`.
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