TWikiQueryHoistREsDotPm < TWiki

TWiki Web>TWikiQueryHoistREsDotPm (2008-01-22, TWikiContributor) (raw view)

---+ Package =TWiki::Query::HoistREs=

Static functions to extract regular expressions from queries. The REs can
be used in caching stores that use the TWiki standard inline meta-data
representation to pre-filter topic lists for more efficient query matching.

See =Store/RcsFile.pm= for an example of usage.


%TOC%

---++ ObjectMethod *hoist* <tt>($query) -> @res</tt>

Extract useful filter REs from the given query. The list returned is a list
of filter expressions that can be used with a cache search to refine the
list of topics. The full query should still be applied to topics that remain
after the filter match has been applied; this is purely an optimisation.

Topic revision: r1 - 2008-01-22 - TWikiContributor

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