Remove obsolete descriptions.txt previously used for fulltext search

I will definetly stick with xapian for now.

diff --git a/BACKEND b/BACKEND
index 445a45db391b046c22b775402eea2e8026bb78b9..11f14091cf21eae8474d9dbcb902228c395030e7 100644 (file)
--- a/BACKEND
+++ b/BACKEND
@@ -41,11 +41,6 @@ Generated by means of Packages.gz files:
 |  key: "packagename version arch"
 |  value: a unique description id, did
  
-| descriptions.txt:
-|  on each line:
-|    description with strange characters mangled for proper substring
-|    searching, linenumber being the did
-
 | descriptions.db:
 |  key: did
 |  value: description, first line being short, the rest being long [no

diff --git a/TODO b/TODO
index d705607370bb3f633ef9014ed97d10997eea1e74..0c456401a0adf0917e6ee36da048af2db57459b3 100644 (file)
--- a/TODO
+++ b/TODO
@@ -19,10 +19,6 @@ search_packages:
        matches" and abce: 90 matches"
 
 - fulltext search:
-  - Max 100 results
-  - Better exact=1 performance by indexing per word?
-  - drop case-sensitive from options, descriptions.txt all lowercase and without
-       punctuation, such that instead of =~ //, indexof can be used
   - in results, show full descriptions, so one sees what's being matched?
 
 - backend:

diff --git a/bin/parse-packages b/bin/parse-packages
index 79fb6d948c80d1933d133ebdcf620fcfd587c88e..1536b814e70760ec781b7cc129f89510cd51c15e 100755 (executable)
--- a/bin/parse-packages
+++ b/bin/parse-packages
@@ -246,7 +246,6 @@ my %descriptions_db;
 tie %descriptions_db, "DB_File", "$DBDIR/descriptions.db.new",
        O_RDWR|O_CREAT, 0666, $DB_BTREE
        or die "Error creating DB: $!";
-open DESCR, ">", "$DBDIR/descriptions.txt" or die "Error creating descriptions textfile";
 print "Index $#descriptions descriptions\n";
 for (my $i=1; $i<= $#descriptions; $i++) {
        my $plain_description = $descriptions[$i];
@@ -259,7 +258,6 @@ for (my $i=1; $i<= $#descriptions; $i++) {
        $plain_description = " $plain_description ";
        $plain_description =~ s/[(),.-]+//og;
        $plain_description =~ s#[^a-z0-9_/+]+# #og;
-       print DESCR "$plain_description\n";
 
        #XAPIAN
        eval {
@@ -283,7 +281,6 @@ for (my $i=1; $i<= $#descriptions; $i++) {
 
        $descriptions_db{$i} = $only_desc;
 }
-close DESCR;
 untie %descriptions_db;
 $xapian_db->flush;
 undef $xapian_db;
@@ -332,6 +329,5 @@ rename("$DBDIR/packages_descriptions.db.new",
        "$DBDIR/packages_descriptions.db");
 rename("$DBDIR/descriptions_packages.db.new",
        "$DBDIR/descriptions_packages.db");
-rename("$DBDIR/descriptions.txt.new", "$DBDIR/descriptions.txt");
 rename("$DBDIR/descriptions.db.new", "$DBDIR/descriptions.db");
 rename("$DBDIR/package_postfixes.db.new", "$DBDIR/package_postfixes.db");

diff --git a/lib/Packages/DoSearch.pm b/lib/Packages/DoSearch.pm
index a94dd7bc33e46fd54415cbc50011d9e45b7128b4..5b0b4bb5e0c31a8c25e29c57dce2fdc6c6de7554 100644 (file)
--- a/lib/Packages/DoSearch.pm
+++ b/lib/Packages/DoSearch.pm
@@ -53,21 +53,14 @@ sub do_search {
            do_names_search( [ @keywords ], \%packages, $p_obj,
                             \&read_entry_all, $opts,
                             \@results, \@non_results );
-#          my $fts0 = new Benchmark;
-#          do_fulltext_search( [ @keywords ], "$DBDIR/descriptions.txt",
-#                              \%did2pkg, \%packages,
-#                              \&read_entry_all, $opts,
-#                              \@results, \@non_results );
            my $fts1 = new Benchmark;
            do_xapian_search( [ @keywords ], "$DBDIR/xapian/",
                                \%did2pkg, \%packages,
                                \&read_entry_all, $opts,
                                \@results, \@non_results );
            my $fts2 = new Benchmark;
-#          my $fts_grep = timediff($fts1,$fts0);
            my $fts_xapian = timediff($fts2,$fts1);
-#          debug( "Fulltext search took ".timestr($fts_grep)." (grep)" ) if DEBUG;
-           debug( "Fulltext search took ".timestr($fts_xapian)." (Xapian)" )
+           debug( "Fulltext search took ".timestr($fts_xapian) )
                if DEBUG;
        }
     }

diff --git a/lib/Packages/Search.pm b/lib/Packages/Search.pm
index fdd3a3a4beeb5f730b76a9fbd980f509b42f6b83..671e3401c1f75fe7eadef8f82182e7a1cb2660ae 100644 (file)
--- a/lib/Packages/Search.pm
+++ b/lib/Packages/Search.pm
@@ -196,55 +196,6 @@ sub do_names_search {
        &$read_entry( $packages, $pkg, $results, $non_results, $opts );
     }
 }
-sub do_fulltext_search {
-    my ($keywords, $file, $did2pkg, $packages, $read_entry, $opts,
-       $results, $non_results) = @_;
-
-# NOTE: this needs to correspond with parse-packages!
-    my @tmp;
-    foreach my $keyword (@$keywords) {
-       $keyword =~ tr [A-Z] [a-z];
-       if ($opts->{exact}) {
-           $keyword = " $keyword ";
-       }
-       $keyword =~ s/[(),.-]+//og;
-       $keyword =~ s;[^a-z0-9_/+]+; ;og;
-       push @tmp, $keyword;
-    }
-    my $first_keyword = shift @tmp;
-    @$keywords = @tmp;
-
-    my $numres = 0;
-    my %tmp_results;
-    # fgrep is seriously faster than using perl
-    open DESC, '-|', 'fgrep', '-n', '--', $first_keyword, $file
-       or die "couldn't open $file: $!";
-  LINE:
-    while (<DESC>) {
-       foreach my $k (@$keywords) {
-           next LINE unless /\Q$k\E/;
-       }
-       /^(\d+)/;
-       my $nr = $1;
-       debug( "Matched line $_", 2) if DEBUG;
-       my $result = $did2pkg->{$nr};
-       foreach (split /\000/o, $result) {
-           my @data = split /\s/, $_, 3;
-#          debug ("Considering $data[0], arch = $data[2]", 3) if DEBUG;
-#          next unless $data[2] eq 'all' || $opts->{h_archs}{$data[2]};
-#          debug ("Ok", 3) if DEBUG;
-           $numres++ unless $tmp_results{$data[0]}++;
-       }
-       last if $numres > 100;
-    }
-    close DESC;
-    $too_many_hits++ if $numres > 100;
-
-    my @results;
-    foreach my $pkg (keys %tmp_results) {
-       &$read_entry( $packages, $pkg, $results, $non_results, $opts );
-    }
- }
 
 sub do_xapian_search {
     my ($keywords, $db, $did2pkg, $packages, $read_entry, $opts,