]
Work on TEIID-5932 started by Steven Hawkins.
---------------------------------------------
HAVING in combination with LEFT JOIN of two XMLTABLE sub-queries
returns an incorrect result
--------------------------------------------------------------------------------------------
Key: TEIID-5932
URL:
https://issues.redhat.com/browse/TEIID-5932
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 13.1
Reporter: Dmitrii Pogorelov
Assignee: Steven Hawkins
Priority: Blocker
HAVING in combination with LEFT JOIN of two XMLTABLE sub-queries returns an incorrect
result if one of XMLTABLE sub-queries has INNER, LEFT or CROSS JOIN instead of a lateral
one and amount of rows in the source is equal or more than 1024. For example, the query:
{code:sql}
SELECT
xt.event_id
FROM test_dwh_pg.test_having AS d
--here
INNER JOIN XMLTABLE(
'/root'
PASSING JSONTOXML('root', d.str)
COLUMNS
event_id string PATH 'eventid'
) xt
ON TRUE
LEFT JOIN XMLTABLE(
'/anything'
PASSING JSONTOXML('anything', d.str)
COLUMNS
some_col string PATH 'anything'
) xt2
ON xt.event_id = 'xxx'
GROUP BY event_id
HAVING COUNT(*) > 1 ;;
{code}
will return a result but it should return no results as there are no duplicates in test
data.