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https://issues.apache.org/jira/browse/HBASE-20151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16398078#comment-16398078
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Appy commented on HBASE-20151:
------------------------------

Thanks sir!

> Bug with SingleColumnValueFilter and FamilyFilter
> -------------------------------------------------
>
>                 Key: HBASE-20151
>                 URL: https://issues.apache.org/jira/browse/HBASE-20151
>             Project: HBase
>          Issue Type: Bug
>         Environment: MacOS 10.13.3
> HBase 1.3.1
>            Reporter: Steven Sadowski
>            Assignee: Reid Chan
>            Priority: Major
>             Fix For: 2.0.0
>
>
> When running the following queries, the result is sometimes return correctly 
> and other times incorrectly based on the qualifier queried.
> Setup:
> {code:java}
> create 'test', 'a', 'b'
> test = get_table 'test'
> test.put '1', 'a:1', nil
> test.put '1', 'a:10', nil
> test.put '1', 'b:2', nil
> {code}
>  
>  This query works fine when the SCVF's qualifier has length 1 (i.e. '1') :
> {code:java}
> test.scan({ FILTER => "( 
> SingleColumnValueFilter('a','1',=,'binary:',true,true) AND 
> FamilyFilter(=,'binary:b') )"})
> ROW                                       COLUMN+CELL
>  1                                        column=b:2, 
> timestamp=1520455888059, value=
> 1 row(s) in 0.0060 seconds
> {code}
>  
> The query should return the same result when passed a qualifier of length 2 
> (i.e. '10') :
> {code:java}
> test.scan({ FILTER => "( 
> SingleColumnValueFilter('a','10',=,'binary:',true,true) AND 
> FamilyFilter(=,'binary:b') )"})
> ROW                                       COLUMN+CELL
> 0 row(s) in 0.0110 seconds
> {code}
> However, in this case, it does not return any row (expected result would be 
> to return the same result as the first query).
>  
> Removing the family filter while the qualifier is '10' yields expected 
> results:
> {code:java}
> test.scan({ FILTER => "( 
> SingleColumnValueFilter('a','10',=,'binary:',true,true) )"})
> ROW                                       COLUMN+CELL
>  1                                        column=a:1, 
> timestamp=1520455887954, value=
>  1                                        column=a:10, 
> timestamp=1520455888024, value=
>  1                                        column=b:2, 
> timestamp=1520455888059, value=
> 1 row(s) in 0.0140 seconds
> {code}
>  
>  



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