[teiid-issues] [JBoss JIRA] (TEIID-2983) MongoDB: Function "count()" returns sum instead of number of rows
Ramesh Reddy (JIRA)
issues at jboss.org
Wed Jun 4 17:12:15 EDT 2014
[ https://issues.jboss.org/browse/TEIID-2983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ramesh Reddy resolved TEIID-2983.
---------------------------------
Labels: Beta1 (was: )
Resolution: Done
Wrote rewriter such that
{code}
select count(foo) from bar
{code}
will be rewritten to
{code}
select count(*) from bar where foo is not null
{code}
> MongoDB: Function "count()" returns sum instead of number of rows
> -----------------------------------------------------------------
>
> Key: TEIID-2983
> URL: https://issues.jboss.org/browse/TEIID-2983
> Project: Teiid
> Issue Type: Bug
> Components: Misc. Connectors
> Affects Versions: 8.7.1
> Reporter: Van Halbert
> Assignee: Ramesh Reddy
> Labels: Beta1
> Fix For: 8.7.1, 8.8
>
>
> Function "count()" returns sum of rows instead of number of rows
> Query [1] returns sum of values of all rows of IntKey column.
> Query [2] correctly returns number of rows
>
> [1] SELECT COUNT(IntKey) FROM BQT1.SmallA
> [2] SELECT COUNT(*) FROM BQT1.SmallA
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