[jira] [Created] (IGNITE-14025) Wrong implementation of row value predicates with respect to NULLs

[Anton Vinogradov (Jira)]

Lukas Eder created IGNITE-14025:
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             Summary: Wrong implementation of row value predicates with respect to NULLs
                 Key: IGNITE-14025
                 URL: https://issues.apache.org/jira/browse/IGNITE-14025
             Project: Ignite
          Issue Type: Bug
          Components: sql
    Affects Versions: 2.9.1
            Reporter: Lukas Eder


It seems that row value predicates do not behave correctly with respect to nulls. For example:
{code:java}
SELECT (1, NULL) = (1, NULL);{code}
This should yield NULL, yet it evaluates to TRUE, which is incorrect according to the SQL conformance claims mentioned here: [https://ignite.apache.org/docs/latest/sql-reference/sql-conformance] (E061-06)

Likewise, this should yield TRUE:
{code:java}
SELECT (NULL, NULL) IS NULL;{code}
Yet it evaluates to FALSE



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