isc_info_sql_relation_alias reports incorrect alias for CTE
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Key: CORE-5655
URL: http://tracker.firebirdsql.org/browse/CORE-5655
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 4.0 Alpha 1, 3.0.2, 2.5.7
Reporter: Mark Rotteveel
For the following query
with CTE as (SELECT column1 from TABLEA T)
select CT.column1 from CTE CT
isc_info_sql_relation_alias reports an incorrect alias. It reports 'CT T',
while 'CT' is expected.
Note that this also applies for all variants with/without an explicit alias,
for example
with CTE as (SELECT column1 from TABLEA)
select column1 from CTE
will report 'CTE TABLEA' instead of 'CTE'
This is especially a problem if you use the alias information to generate
enhancements for a base query (see JDBC-513).
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