[jira] [Updated] (SPARK-33848) Push the UnaryExpression into (if / case) branches

["Yuming Wang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-33848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuming Wang updated SPARK-33848:
--------------------------------
    Summary: Push the UnaryExpression into (if / case) branches  (was: Push the cast into (if / case) branches)

> Push the UnaryExpression into (if / case) branches
> --------------------------------------------------
>
>                 Key: SPARK-33848
>                 URL: https://issues.apache.org/jira/browse/SPARK-33848
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Yuming Wang
>            Assignee: Yuming Wang
>            Priority: Major
>             Fix For: 3.2.0
>
>
> Push the cast into (if / case) branches. The use case is:
> {code:sql}
> create table t1 using parquet as select id from range(10);
> explain select id from t1 where (CASE WHEN id = 1 THEN '1' WHEN id = 3 THEN '2' end) > 3;
> {code}
> Before this pr:
> {noformat}
> == Physical Plan ==
> *(1) Filter (cast(CASE WHEN (id#1L = 1) THEN 1 WHEN (id#1L = 3) THEN 2 END as int) > 3)
> +- *(1) ColumnarToRow
>    +- FileScan parquet default.t1[id#1L] Batched: true, DataFilters: [(cast(CASE WHEN (id#1L = 1) THEN 1 WHEN (id#1L = 3) THEN 2 END as int) > 3)], Format: Parquet, Location: InMemoryFileIndex[file:/Users/yumwang/opensource/spark/spark-warehouse/org.apache.spark.sql.DataF..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:bigint>
> {noformat}
> After this pr:
> {noformat}
> == Physical Plan ==
> LocalTableScan <empty>, [id#1L]
> {noformat}



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