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https://issues.apache.org/jira/browse/SPARK-19971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15927753#comment-15927753
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Herman van Hovell commented on SPARK-19971:
-------------------------------------------
[~tomtang] This has been fixed in the upcoming 2.2 release. We cannot backport
this to 2.1 because it is a change in behavior.
> Wired SELECT equal behaviour.
> ------------------------------
>
> Key: SPARK-19971
> URL: https://issues.apache.org/jira/browse/SPARK-19971
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Environment: macOS Sierra
> Reporter: Tom Tang
> Priority: Critical
>
> Let say we have a csv /tmp/1.csv :
> {code}
> cid,name
> -100224910923912596,jack
> -100224910923912595,tom
> -1,rose
> -2,marry
> -100,rose1
> -101,rose2
> {code}
> Use following SQL to define a view in Spark-SQL:
> {code}
> CREATE TEMPORARY VIEW T
> (
> `cid` string,
> `name` string
> )
> USING CSV
> OPTIONS (
> path "/tmp/1.csv"
> );
> {code}
> Statement 1:
> {code}select * from T where cid = -100224910923912596; {code}
> Returns:
> {code}
> -100224910923912596 jack
> -100224910923912595 tom
> {code}
> Statement 2:
> {code}select * from T where cid = -100224910923912599;{code}
> it also returns:
> {code}
> -100224910923912596 jack
> -100224910923912595 tom
> {code}
> Unless you do,
> {code}select * from T where cid = '-100224910923912596';{code}
> It returns:
> {code}
> -100224910923912596 jack
> {code}
> However, i think the expected behaviour for statement 1 and 2 is pretty wired.
> Statement 4
> {quote}select * from T where cid = -100;{quote}
> Returns:
> {quote}-100 rose1{quote}
> And this just affect the large number, the smaller one seemed to be good.
> Does that look like a bug to you folks ?
> Thanks.
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