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From "jiawen xiao (Jira)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (FLINK-20739) Ban `if` from HiveModule
Date Wed, 23 Dec 2020 06:51:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-20739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

jiawen xiao updated FLINK-20739:
--------------------------------
    Comment: was deleted

(was: in my opinion,[2] stand for size is not less than 3.

can you try ? 
 size(split(`test`, '-')) > 2)

> Ban  `if`  from HiveModule
> --------------------------
>
>                 Key: FLINK-20739
>                 URL: https://issues.apache.org/jira/browse/FLINK-20739
>             Project: Flink
>          Issue Type: Improvement
>          Components: Connectors / Hive
>    Affects Versions: 1.10.0
>            Reporter: jinfeng
>            Priority: Major
>
> When using hiveModule, the if function is treated as a normal function.
>  If I have a SQL like this: 
>   
> {code:java}
>  insert into Sink select  if(size(split(`test`, '-')) > 1, split(`test`, '-')[2],
'error') from Source   {code}
>  
>  It will throw arrayIndexOutOfBoundsException in Flink1.10,  becase size(split(`test`,
'-')-) > 1 , split(`test`, '')[2], ‘error’   will be calculated first, and
then if function will be  calculated



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