pgsql: Turns out that my recent elimination of the 'redundant'

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От tgl@svr1.postgresql.org (Tom Lane)
Тема pgsql: Turns out that my recent elimination of the 'redundant'
Дата
Msg-id 20050423044254.6AF645339D@svr1.postgresql.org
обсуждение исходный текст
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Log Message:
-----------
Turns out that my recent elimination of the 'redundant' flatten_andors()
code in prepqual.c had a small drawback: the flatten_andors code was
able to cope with deeply nested AND/OR structures (like 10000 ORs in
a row), whereas eval_const_expressions tends to recurse until it
overruns the stack.  Revise eval_const_expressions so that it doesn't
choke on deeply nested ANDs or ORs.

Modified Files:
--------------
    pgsql/src/backend/optimizer/util:
        clauses.c (r1.195 -> r1.196)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/util/clauses.c.diff?r1=1.195&r2=1.196)

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