Praveen Peddi writes:
>
> Does it makes sense to call docFreq or termDocs (which ever is faster) before
> calling delete?
>
IMO no.
calling termDocs is what Reader.delete(Term) does:
public final int delete(Term term) throws IOException {
TermDocs docs = termDocs(term);
if (docs == null) return 0;
int n = 0;
try {
while (docs.next()) {
delete(docs.doc());
n++;
}
} finally {
docs.close();
}
return n;
}
(the advantage of OSS is, that you can look into it's sources)
So it already uses termDocs to see if there's anything to do.
I doubt that using docFreq would be much faster. In both cases the
term is searched and -- if you don't have to delete anything -- not
found. If it's found, docFreq might be faster, but in that case you have
to delete and use termDocs anyway.
Morus
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