Server crashes instead of reporting the error "key size exceeds implementation
restriction"
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Key: CORE-4127
URL: http://tracker.firebirdsql.org/browse/CORE-4127
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 2.5.2 Update 1, 2.1.5 Update 1, 2.5.2, 2.1.5, 2.0.7,
2.5.1, 2.1.4, 2.5.0, 2.0.6, 3.0 Initial, 2.1.3, 2.1.2, 2.0.5, 2.1.1, 2.1.0
Reporter: Dmitry Yemanov
The local buffer of MAX_KEY (4096) bytes overflows thus corrupting the stack
and causing the engine to crash. Only compound indices are affected.
Test case:
recreate table tab1 (col1 int, col2 char(10));
create index itab1 on tab1 (col1, col2);
select * from tab1 where col1 = 1 and col2 = lpad('a', 5000)
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