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-rw-r--r--Bugzilla/Install/DB.pm15
1 files changed, 12 insertions, 3 deletions
diff --git a/Bugzilla/Install/DB.pm b/Bugzilla/Install/DB.pm
index d9a36b75b..26e36f7df 100644
--- a/Bugzilla/Install/DB.pm
+++ b/Bugzilla/Install/DB.pm
@@ -3182,12 +3182,21 @@ sub _populate_bugs_fulltext {
return if !@$bug_ids;
my $num_bugs = scalar @$bug_ids;
+ my $command = "INSERT";
my $where = "";
if ($fulltext) {
print "Updating bugs_fulltext for $num_bugs bugs...\n";
$where = "WHERE " . $dbh->sql_in('bugs.bug_id', $bug_ids);
- $dbh->do("DELETE FROM bugs_fulltext WHERE "
- . $dbh->sql_in('bug_id', $bug_ids));
+ # It turns out that doing a REPLACE INTO is up to 10x faster
+ # than any other possible method of updating the table, in MySQL,
+ # which matters a LOT for large installations.
+ if ($dbh->isa('Bugzilla::DB::Mysql')) {
+ $command = "REPLACE";
+ }
+ else {
+ $dbh->do("DELETE FROM bugs_fulltext WHERE "
+ . $dbh->sql_in('bug_id', $bug_ids));
+ }
}
else {
print "Populating bugs_fulltext with $num_bugs entries...";
@@ -3195,7 +3204,7 @@ sub _populate_bugs_fulltext {
}
my $newline = $dbh->quote("\n");
$dbh->do(
- q{INSERT INTO bugs_fulltext (bug_id, short_desc, comments,
+ qq{$command INTO bugs_fulltext (bug_id, short_desc, comments,
comments_noprivate)
SELECT bugs.bug_id, bugs.short_desc, }
. $dbh->sql_group_concat('longdescs.thetext', $newline, 0)