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https://issues.apache.org/jira/browse/SPARK-19963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15944461#comment-15944461
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dharani_sugumar commented on SPARK-19963:
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@Jay Danielsen: I'm looking into this.
> create view from select Fails when nullif() is used
> ---------------------------------------------------
>
> Key: SPARK-19963
> URL: https://issues.apache.org/jira/browse/SPARK-19963
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Jay Danielsen
> Priority: Minor
>
> Test Case : Any valid query using nullif.
> SELECT nullif(mycol,0) from mytable;
> Create view FAILS when nullif used in select.
> CREATE VIEW my_view as
> SELECT nullif(mycol,0) from mytable;
> Error: java.lang.RuntimeException: Failed to analyze the canonicalized SQL:
> ...
> I can refactor with CASE statement and create view successfully.
> CREATE VIEW my_view as
> SELECT CASE WHEN mycol = 0 THEN NULL ELSE mycol END mycol from mytable;
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