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Bug 347864: Generally improve fulltext search

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Patch By Max Kanat-Alexander <mkanat@bugzilla.org> r=myk, a=myk
This commit is contained in:
mkanat%bugzilla.org 2006-08-25 22:03:35 +00:00
parent 0e8bdb984f
commit fd10696d67
1 changed files with 3 additions and 11 deletions
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14
webtools/bugzilla/Bugzilla/Search.pm
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@ -591,7 +591,7 @@ sub init {
# short_desc searching for the WHERE clause
my @words = _split_words_into_like('bugs.short_desc', $v);
my $term2_where = join(' AND ', @words);
my $term2_where = join(' OR ', @words);
# short_desc relevance
my $factor = SUMMARY_RELEVANCE_FACTOR;
@ -605,18 +605,10 @@ sub init {
# we SELECT the relevance value and give it an alias so we can
# add it to the SORT BY clause when we build it in buglist.cgi.
#
# Note: MySQL calculates relevance for each comment separately,
# so we need to do some additional calculations to get an overall
# relevance value, which we do by calculating the average (mean)
# comment relevance and then adding the summary relevance, if any.
# This weights summary relevance heavily, which makes sense
# since summaries are short and thus highly significant.
#
# Note: We should be calculating the average relevance of all
# Note: We should be calculating the relevance based on all
# comments for a bug, not just matching comments, but that's hard
# (see http://bugzilla.mozilla.org/show_bug.cgi?id=145588#c35).
my $select_term = "(SUM($term1)/COUNT(${table}.comment_id)"
. " + $term2_select) AS relevance";
my $select_term = "(SUM($term1) + $term2_select) AS relevance";
# add the column not used in aggregate function explicitly
push(@groupby, 'bugs.short_desc');