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[bug-recutils] [bug #30675] Missing optimization in 'rec_sex_eval'


From: Jose E. Marchesi
Subject: [bug-recutils] [bug #30675] Missing optimization in 'rec_sex_eval'
Date: Fri, 06 Aug 2010 21:44:54 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3

URL:
  <http://savannah.gnu.org/bugs/?30675>

                 Summary: Missing optimization in 'rec_sex_eval'
                 Project: GNU recutils
            Submitted by: jemarch
            Submitted on: Fri 06 Aug 2010 09:44:53 PM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

There is an obvious optimization in the SEX evaluator that
is not yet in place: don't evaluate permuted records if
the changed field is not present in the expression.

See the comment in 'rec_sex_eval' in rec-sex.c








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