Hi,
I'm working my way through the Lucene In Action book, and there is one
thing I need explained that I didn't find there;
While wildcard queries are potentially slower than ordinary term
queries, are they slower even if theyt don't contain a wildcard?
Significantly slower?
The reason I ask is that if we assume we are going to allow wildcards in
a search engine, but we want to optimize, to take advantage of when
they are NOT used, do we have to check for the presence of "*" or "?" in
the term, and create the most appropriate query, or can I assume that
when a wildcard is not present, the WildcardQuery will be as fast (or
almost as fast) a a plain term query?
Thanks in advance!
John B.
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