Due to the way that Recoll processes wildcards
inside dir path filtering clauses, they
will have a multiplicative effect on the query size. A clause
containg wildcards in several paths elements, like, for
example,
dir:/home/me/*/*/docdir,
will almost certainly fail if your indexed tree is of any realistic
size.
Depending on the case, you may be able to work around
the issue by specifying the paths elements more narrowly, with
a constant prefix, or by using 2
separate dir: clauses instead of multiple
wildcards, as
in dir:/home/me dir:docdir. The
latter query is not equivalent to the initial one because it
does not specify a number of directory levels, but that's
the best we can do (and it may be actually more useful in
some cases).
