Optimization problem with VIEW and COALESCE
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Key: CORE-4959
URL: http://tracker.firebirdsql.org/browse/CORE-4959
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 2.5.4, 3.0 Beta 1
Reporter: Shiliaev Ruslan
Test case:
CREATE VIEW V(F1, F2) AS
SELECT RDB$SECURITY_CLASS, COALESCE(RDB$SECURITY_CLASS , 'B') FROM RDB$DATABASE
WHERE 1=0;
SELECT 1, V.F1, V.F2
FROM RDB$DATABASE LEFT JOIN V ON 1=0;
CONSTANT 1
F1 <null>
F2 B --?????
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