[jira] [Commented] (SPARK-33315) simplify CaseWhen with EqualTo
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https://issues.apache.org/jira/browse/SPARK-33315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17224453#comment-17224453
]
Apache Spark commented on SPARK-33315:
--
User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/30222
> simplify CaseWhen with EqualTo
> --
>
> Key: SPARK-33315
> URL: https://issues.apache.org/jira/browse/SPARK-33315
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> {code:sql}
> create table t(a int, b int, c int) using parquet;
> SELECT *
> FROM (SELECT CASE
> WHEN a = 100 THEN 1
> WHEN b > 1000 THEN 2
> WHEN c IS NOT NULL THEN 3
>END AS x
> FROM t) tmp
> WHERE x = 2
> {code}
> {noformat}
> Before this PR:
> Filter (CASE WHEN (a#1 = 100) THEN 1 WHEN (b#2 > 1000) THEN 2 WHEN
> isnotnull(c#3) THEN 3 END = 2)
> After this PR:
> Filter (b#2 > 1000)
> {noformat}
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[jira] [Commented] (SPARK-33315) simplify CaseWhen with EqualTo
[
https://issues.apache.org/jira/browse/SPARK-33315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17224452#comment-17224452
]
Apache Spark commented on SPARK-33315:
--
User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/30222
> simplify CaseWhen with EqualTo
> --
>
> Key: SPARK-33315
> URL: https://issues.apache.org/jira/browse/SPARK-33315
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 3.1.0
>Reporter: Yuming Wang
>Priority: Major
>
> {code:sql}
> create table t(a int, b int, c int) using parquet;
> SELECT *
> FROM (SELECT CASE
> WHEN a = 100 THEN 1
> WHEN b > 1000 THEN 2
> WHEN c IS NOT NULL THEN 3
>END AS x
> FROM t) tmp
> WHERE x = 2
> {code}
> {noformat}
> Before this PR:
> Filter (CASE WHEN (a#1 = 100) THEN 1 WHEN (b#2 > 1000) THEN 2 WHEN
> isnotnull(c#3) THEN 3 END = 2)
> After this PR:
> Filter (b#2 > 1000)
> {noformat}
--
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(v8.3.4#803005)
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To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
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