[Xapian-tickets] [Xapian] #350: Stopping wildcard expansion at some point

[Xapian]

#350: Stopping wildcard expansion at some point
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 Reporter:  asjo         |       Owner:  olly
     Type:  enhancement  |      Status:  new 
 Priority:  normal       |   Milestone:      
Component:  QueryParser  |     Version:      
 Severity:  normal       |   Blockedby:      
 Platform:  All          |    Blocking:      
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 If there are many (many) terms with the same prefix and a wildcard search
 matching those is performed, the QueryParser tries to create a huge query,
 exhausting RAM even on reasonably sized machines (8GB).

 Attached is a patch that makes it possible to ask the QueryParser to throw
 an exception if a wildcard expands to more than a configurable number of
 terms.

 Some discussion on the mailinglist:

  * http://thread.gmane.org/gmane.comp.search.xapian.general/7124

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Ticket URL: <http://trac.xapian.org/ticket/350>
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