You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2021/02/06 03:02:00 UTC
[jira] [Updated] (SPARK-33410) Resolve SQL query reference a column
by an alias
[ https://issues.apache.org/jira/browse/SPARK-33410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuming Wang updated SPARK-33410:
--------------------------------
Description:
This pr add support resolve SQL query reference a column by an alias, for example:
```sql
select id + 1 as new_id, new_id + 1 as new_new_id from range(5);
```
Teradata and snowflake support this feature: [https://docs.teradata.com/reader/e79ET77~NzPDz~Ykinj44w/MKSYuTyx2UJWXzdHJf3~sQ]
[https://www.mssqltips.com/sqlservertutorial/9292/snowflake-regular-expression-alias-and-ilike]
was:
This pr add support resolve SQL query reference a column by an alias, for example:
```sql
select id + 1 as new_id, new_id + 1 as new_new_id from range(5);
```
Teradata support this feature: https://docs.teradata.com/reader/e79ET77~NzPDz~Ykinj44w/MKSYuTyx2UJWXzdHJf3~sQ
> Resolve SQL query reference a column by an alias
> ------------------------------------------------
>
> Key: SPARK-33410
> URL: https://issues.apache.org/jira/browse/SPARK-33410
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Yuming Wang
> Priority: Major
>
> This pr add support resolve SQL query reference a column by an alias, for example:
> ```sql
> select id + 1 as new_id, new_id + 1 as new_new_id from range(5);
> ```
> Teradata and snowflake support this feature: [https://docs.teradata.com/reader/e79ET77~NzPDz~Ykinj44w/MKSYuTyx2UJWXzdHJf3~sQ]
> [https://www.mssqltips.com/sqlservertutorial/9292/snowflake-regular-expression-alias-and-ilike]
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org