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revert to DB_File from BerkeleyDB
move cvs-head to trunk
First stab at moving backend from DB_File to BerkeleyDB.
detypo
Fix from Graham Barr: 1. If a database is not opened with O_CREAT and it does not contain all indexes then it will crash with cannot call method on undefined value because the DB_File tie will return undef. 2. Calling delete with parameters that will cause the access of a non-existant tuple was calling problmes as the method needs to return undef when it does not exist.
Fixed some typos
- trigrams working
Moved 'sub keys' to end of file to avoid warnings about CORE::keys.
seq returns 0 on success. So if there is an error on positioning the
cursor on $O$;, then we can say it is not an old index. The condition
is
if $dbh->seq, then return
but it was
$dbh->seq or return.
Besides there are now some outcommented debugging statements that I
needed from time to time. They should be removed some day later but
left for a while to ease the debugging process.
$0 -> $O$;
Check dbh->seq return value in is_an_old_index
InvertedIndex needs some $VERSION so that others can reliably say it was loaded. Added a DIVZERO check
Modified structure of inverted indices. The old one was not able to cope with words starting with "\377(o|m)". Prefix and interval searches have not been tested yet.
This commit was generated by cvs2svn to compensate for changes in r10, which included commits to RCS files with non-trunk default branches.
Import of WAIT-1.800
Import of WAIT-1.710
This commit was manufactured by cvs2svn to create branch 'CPAN'.
Initial revision
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