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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-3448) Wrong count returned by count distinct and similar queries.
Date Tue, 17 Jan 2017 13:31:26 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-3448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15826050#comment-15826050
] 

ASF GitHub Bot commented on IGNITE-3448:
----------------------------------------

Github user AMashenkov closed the pull request at:

    https://github.com/apache/ignite/pull/1171


> Wrong count returned by count distinct and similar queries.
> -----------------------------------------------------------
>
>                 Key: IGNITE-3448
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3448
>             Project: Ignite
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.7
>            Reporter: Alexei Scherbakov
>            Assignee: Andrew Mashenkov
>             Fix For: 1.8
>
>
> Partitioned cache is deployed on 3 nodes.
> The code below outputs incorrect counts: 
> 14
> 14
> {code}
>        IgniteCache<Integer, Value> cache = grid(0).cache(null);
>         cache.put(0, new Value("v1"));
>         cache.put(3, new Value("v1"));
>         cache.put(5, new Value("v1"));
>         cache.put(9, new Value("v1"));
>         cache.put(1, new Value("v3"));
>         cache.put(15, new Value("v3"));
>         cache.put(8, new Value("v3"));
>         cache.put(2, new Value("v5"));
>         cache.put(12, new Value("v5"));
>         cache.put(4, new Value("v2"));
>         cache.put(6, new Value("v2"));
>         cache.put(7, new Value("v6"));
>         cache.put(10, new Value("v7"));
>         cache.put(11, new Value("v8"));
>         cache.put(13, new Value("v4"));
>         cache.put(14, new Value("v4"));
>         QueryCursor<List<?>> qry = cache.query(new SqlFieldsQuery("select
count(distinct str) from Value"));
>         for (List<?> objects : qry)
>             System.out.println(objects.get(0));
>         qry = cache.query(new SqlFieldsQuery("select count(*) from (select 1 from Value
group by str)"));
>         for (List<?> objects : qry)
>             System.out.println(objects.get(0));
>        
> {code}



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