Maksim Zhuravkov created IGNITE-18673:
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Summary: Sql. Set operations. Invalid column index in ORDER BY
sometimes is not rejected
Key: IGNITE-18673
URL: https://issues.apache.org/jira/browse/IGNITE-18673
Project: Ignite
Issue Type: Bug
Reporter: Maksim Zhuravkov
The first query fails:
{code:java}
SELECT a % 2, b FROM test UNION SELECT a % 2 AS k FROM test ORDER BY -1
{code}
Error:
{code:java}
>From line 1, column 40 to line 1, column 49: Column count mismatch in UNION
{code}
But the second gets executed:
{code:java}
SELECT a % 2, b FROM test UNION SELECT a % 2 AS k, b FROM test ORDER BY -1
{code}
An error message produced by the first query gives us a clue that the ORDER BY
clause is not checked at all.
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