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Posted to issues@ignite.apache.org by "Semen Boikov (JIRA)" <ji...@apache.org> on 2016/07/08 11:28:11 UTC
[jira] [Updated] (IGNITE-3448) Wrong count returned by count
distinct and similar queries.
[ https://issues.apache.org/jira/browse/IGNITE-3448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Semen Boikov updated IGNITE-3448:
---------------------------------
Component/s: SQL
> 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
> Reporter: Alexei Scherbakov
>
> 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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