[jira] [Resolved] (IGNITE-7785) SQL query with COUNT and UNION in sub-query produces JdbcSQLException

["Taras Ledkov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-7785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Taras Ledkov resolved IGNITE-7785.
----------------------------------
    Resolution: Duplicate

> SQL query with COUNT and UNION in sub-query produces JdbcSQLException
> ---------------------------------------------------------------------
>
>                 Key: IGNITE-7785
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7785
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 2.1, 2.3
>            Reporter: Pavel Vinokurov
>            Priority: Major
>
> SQL initial script:
> CREATE TABLE Person(id INTEGER PRIMARY KEY, company_id INTEGER);
>  CREATE TABLE Company(id INTEGER PRIMARY KEY, name VARCHAR);
>  INSERT INTO Person(id,company_id) VALUES (1, 1), (2, 2), (3, 3);
>  INSERT INTO Company(id,name) VALUES (1,'n1'), (2,'n2'), (3,'n3');
> SQL Query:
> SELECT count(1) FROM person p
>  LEFT JOIN (select id from company union select id from company) as c on c.id=p.company_id
> JDBC Exception:
> Caused by: org.h2.jdbc.JdbcSQLException: Column "P__Z0.COMPANY_ID" must be in the GROUP BY list; SQL statement:
> SELECT
> P__Z0.COMPANY_ID __C0_0,
> COUNT(1) __C0_1
> FROM PUBLIC.PERSON P__Z0 [90016-195]
>  



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