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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2020/08/28 09:23:00 UTC
[jira] [Updated] (SPARK-32726) Filter by column alias in where
clause
[ https://issues.apache.org/jira/browse/SPARK-32726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuming Wang updated SPARK-32726:
--------------------------------
Description:
{{group by}} and {{order by}} clause support it. but {{where}} does not support it:
{noformat}
spark-sql> select id + 1 as new_id from range(5) group by new_id order by new_id;
1
2
3
4
5
spark-sql> select id + 1 as new_id from range(5) where new_id > 2;
Error in query: cannot resolve '`new_id`' given input columns: [id]; line 1 pos 44;
'Project [('id + 1) AS new_id#5]
+- 'Filter ('new_id > 2)
+- Range (0, 5, step=1, splits=None
spark-sql> select id + 1 as new_id, new_id + 1 as new_new_id from range(5);
Error in query: cannot resolve '`new_id`' given input columns: [id]; line 1 pos 25;
'Project [(id#12L + cast(1 as bigint)) AS new_id#10L, ('new_id + 1) AS new_new_id#11]
+- Range (0, 5, step=1, splits=None)
{noformat}
was:
{{group by}} and {{order by}} clause support it. but {{where}} does not support it:
{noformat}
spark-sql> select id + 1 as new_id from range(5) group by new_id order by new_id;
1
2
3
4
5
spark-sql> select id + 1 as new_id from range(5) where new_id > 2;
Error in query: cannot resolve '`new_id`' given input columns: [id]; line 1 pos 44;
'Project [('id + 1) AS new_id#5]
+- 'Filter ('new_id > 2)
+- Range (0, 5, step=1, splits=None
{noformat}
> Filter by column alias in where clause
> --------------------------------------
>
> Key: SPARK-32726
> URL: https://issues.apache.org/jira/browse/SPARK-32726
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Yuming Wang
> Priority: Major
>
> {{group by}} and {{order by}} clause support it. but {{where}} does not support it:
> {noformat}
> spark-sql> select id + 1 as new_id from range(5) group by new_id order by new_id;
> 1
> 2
> 3
> 4
> 5
> spark-sql> select id + 1 as new_id from range(5) where new_id > 2;
> Error in query: cannot resolve '`new_id`' given input columns: [id]; line 1 pos 44;
> 'Project [('id + 1) AS new_id#5]
> +- 'Filter ('new_id > 2)
> +- Range (0, 5, step=1, splits=None
> spark-sql> select id + 1 as new_id, new_id + 1 as new_new_id from range(5);
> Error in query: cannot resolve '`new_id`' given input columns: [id]; line 1 pos 25;
> 'Project [(id#12L + cast(1 as bigint)) AS new_id#10L, ('new_id + 1) AS new_new_id#11]
> +- Range (0, 5, step=1, splits=None)
> {noformat}
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