mozilla
/
pjs
зеркало из https://github.com/mozilla/pjs.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Bug 174295: ANSI SQL requires all columns in SELECT to be in GROUP BY, unless they are in "aggregate" functions 

Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=joel, a=myk
This commit is contained in:
mkanat%kerio.com 2005-03-16 00:27:15 +00:00
Родитель 96f38c8442
Коммит 9aa81a2573
19 изменённых файлов: 166 добавлений и 71 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

15
webtools/bugzilla/Bugzilla/Bug.pm
Просмотреть файл

@ -166,8 +166,15 @@ sub initBug {
WHERE bugs.bug_id = ?
AND classifications.id = products.classification_id
AND products.id = bugs.product_id
AND components.id = bugs.component_id
GROUP BY bugs.bug_id";
AND components.id = bugs.component_id " .
$dbh->sql_group_by('bugs.bug_id', 'alias, products.classification_id,
classifications.name, bugs.product_id, products.name, version,
rep_platform, op_sys, bug_status, resolution, priority,
bug_severity, bugs.component_id, components.name, assigned_to,
reporter, bug_file_loc, short_desc, target_milestone,
qa_contact, status_whiteboard, creation_ts,
delta_ts, reporter_accessible, cclist_accessible,
estimated_time, remaining_time, deadline');
my $bug_sth = $dbh->prepare($query);
$bug_sth->execute($bug_id);
@ -717,12 +724,12 @@ sub CountOpenDependencies {
my $dbh = Bugzilla->dbh;
my $sth = $dbh->prepare(
"SELECT blocked, count(bug_status) " .
"SELECT blocked, COUNT(bug_status) " .
"FROM bugs, dependencies " .
"WHERE blocked IN (" . (join "," , @bug_list) . ") " .
"AND bug_id = dependson " .
"AND bug_status IN ('" . (join "','", &::OpenStates()) . "') " .
"GROUP BY blocked ");
$dbh->sql_group_by('blocked'));
$sth->execute();
while (my ($bug_id, $dependencies) = $sth->fetchrow_array()) {

3
webtools/bugzilla/Bugzilla/Chart.pm
Просмотреть файл

@ -320,7 +320,8 @@ sub getVisibleSeries {
" AND cgm.group_id NOT IN($grouplist) " .
"WHERE creator = " . Bugzilla->user->id . " OR " .
" cgm.category_id IS NULL " .
"GROUP BY series_id");
$dbh->sql_group_by('series_id', 'cc1.name, cc2.name, ' .
'series.name'));
foreach my $series (@$serieses) {
my ($cat, $subcat, $name, $series_id) = @$series;
$cats{$cat}{$subcat}{$name} = $series_id;

30
webtools/bugzilla/Bugzilla/DB.pm
Просмотреть файл

@ -213,9 +213,14 @@ sub sql_position {
return "POSITION($fragment IN $text)";
}
#####################################################################
# General Info Methods
#####################################################################
sub sql_group_by {
my ($self, $needed_columns, $optional_columns) = @_;
my $expression = "GROUP BY $needed_columns";
$expression .= ", " . $optional_columns if defined($optional_columns);
return $expression;
}
sub sql_string_concat {
my ($self, @params) = @_;
@ -246,6 +251,10 @@ sub sql_fulltext_search {
"%${quote}) THEN 1 ELSE 0 END";
}
#####################################################################
# General Info Methods
#####################################################################
# XXX - Needs to be documented.
sub bz_server_version {
my ($self) = @_;
@ -786,6 +795,21 @@ formatted SQL command have prefix C<sql_>. All other methods have prefix C<bz_>.
$text = the text to search (scalar)
Returns: formatted SQL for substring search (scalar)
=item C<sql_group_by>
Description: Outputs proper SQL syntax for grouping the result of a query.
For ANSI SQL databases, we need to group by all columns we are
querying for (except for columns used in aggregate functions).
Some databases require (or even allow) to specify only one
or few columns if the result is uniquely defined. For those
databases, the default implementation needs to be overloaded.
Params: $needed_columns = string with comma separated list of columns
we need to group by to get expected result (scalar)
$optional_columns = string with comma separated list of all
other columns we are querying for, but which are not in the
required list.
Returns: formatted SQL for row grouping (scalar)
=item C<sql_string_concat>
Description: Returns SQL syntax for concatenating multiple strings (constants

11
webtools/bugzilla/Bugzilla/DB/Mysql.pm
Просмотреть файл

@ -143,6 +143,17 @@ sub sql_position {
}
}
sub sql_group_by {
my ($self, $needed_columns, $optional_columns) = @_;
# MySQL allows to specify all columns as ANSI SQL requires, but also
# allow you to specify just minimal subset to get unique result.
# According to MySQL documentation, the less columns you specify
# the faster the query runs.
return "GROUP BY $needed_columns";
}
sub bz_lock_tables {
my ($self, @tables) = @_;

7
webtools/bugzilla/Bugzilla/Flag.pm
Просмотреть файл

@ -567,6 +567,8 @@ sub GetBug {
# Returns a hash of information about a target bug.
my ($id) = @_;
my $dbh = Bugzilla->dbh;
# Save the currently running query (if any) so we do not overwrite it.
&::PushGlobalSQLState();
@ -574,8 +576,9 @@ sub GetBug {
COUNT(bug_group_map.group_id)
FROM bugs LEFT JOIN bug_group_map
ON (bugs.bug_id = bug_group_map.bug_id)
WHERE bugs.bug_id = $id
GROUP BY bugs.bug_id");
WHERE bugs.bug_id = $id " .
$dbh->sql_group_by('bugs.bug_id',
'short_desc, product_id, component_id'));
my $bug = { 'id' => $id };

5
webtools/bugzilla/Bugzilla/FlagType.pm
Просмотреть файл

@ -120,6 +120,7 @@ sub match {
my @tables = @base_tables;
my @columns = @base_columns;
my $having = "";
my $dbh = Bugzilla->dbh;
# Include a count of the number of flags per type if requested.
if ($include_count) {
@ -136,7 +137,9 @@ sub match {
my $where_clause = "WHERE " . join(" AND ", @criteria);
my $query = "$select_clause $from_clause $where_clause";
$query .= " GROUP BY flagtypes.id " if ($include_count || $having ne "");
$query .= " " . $dbh->sql_group_by('flagtypes.id',
join(', ', @base_columns[2..$#base_columns]))
if ($include_count || $having ne "");
$query .= " HAVING $having " if $having ne "";
$query .= " ORDER BY flagtypes.sortkey, flagtypes.name";

18
webtools/bugzilla/Bugzilla/Search.pm
Просмотреть файл

@ -104,6 +104,7 @@ sub init {
my @supptables;
my @wherepart;
my @having;
my @groupby;
@fields = @$fieldsref if $fieldsref;
my @specialchart;
my @andlist;
@ -598,6 +599,9 @@ sub init {
my $select_term =
"(SUM($term1)/COUNT($term1) + $term2) AS relevance";
# add the column not used in aggregate function explicitly
push(@groupby, 'bugs.short_desc');
# Users can specify to display the relevance field, in which case
# it'll show up in the list of fields being selected, and we need
# to replace that occurrence with our select term. Otherwise
@ -1302,8 +1306,6 @@ sub init {
if ($specialorderjoin{$splitfield[0]}) {
push(@supptables, $specialorderjoin{$splitfield[0]});
}
# FIXME: Some DBs require ORDER BY items to also
# be in GROUP BY.
}
my %suppseen = ("bugs" => 1);
@ -1358,7 +1360,17 @@ sub init {
}
}
$query .= ") GROUP BY bugs.bug_id";
foreach my $field (@fields) {
next if ($field =~ /(AVG|SUM|COUNT|MAX|MIN|VARIANCE)\s*\(/i ||
$field =~ /^\d+$/ || $field eq "bugs.bug_id");
if ($field =~ /.*AS\s+(\w+)$/i) {
push(@groupby, $1) if !grep($_ eq $1, @groupby);
} else {
push(@groupby, $field) if !grep($_ eq $field, @groupby);
}
}
$query .= ") " . $dbh->sql_group_by("bugs.bug_id", join(', ', @groupby));
if (@having) {
$query .= " HAVING " . join(" AND ", @having);

4
webtools/bugzilla/Bugzilla/Series.pm
Просмотреть файл

@ -106,7 +106,9 @@ sub initFromDatabase {
"WHERE series.series_id = $series_id AND " .
"(public = 1 OR creator = " . Bugzilla->user->id . " OR " .
"(ugm.group_id IS NOT NULL)) " .
"GROUP BY series_id");
$dbh->sql_group_by('series.series_id', 'cc1.name, cc2.name, ' .
'series.name, series.creator, series.frequency, ' .
'series.query, series.public'));
if (@series) {
$self->initFromParameters(@series);

10
webtools/bugzilla/buglist.cgi
Просмотреть файл

@ -475,9 +475,9 @@ DefineColumn("assigned_to" , "map_assigned_to.login_name" , "Assignee"
DefineColumn("reporter" , "map_reporter.login_name" , "Reporter" );
DefineColumn("qa_contact" , "map_qa_contact.login_name" , "QA Contact" );
if ($format->{'extension'} eq 'html') {
DefineColumn("assigned_to_realname", "CASE WHEN map_assigned_to.realname = '' THEN map_assigned_to.login_name ELSE map_assigned_to.realname END", "Assignee" );
DefineColumn("reporter_realname" , "CASE WHEN map_reporter.realname = '' THEN map_reporter.login_name ELSE map_reporter.realname END", "Reporter" );
DefineColumn("qa_contact_realname" , "CASE WHEN map_qa_contact.realname = '' THEN map_qa_contact.login_name ELSE map_qa_contact.realname END", "QA Contact");
DefineColumn("assigned_to_realname", "CASE WHEN map_assigned_to.realname = '' THEN map_assigned_to.login_name ELSE map_assigned_to.realname END AS assigned_to_realname", "Assignee" );
DefineColumn("reporter_realname" , "CASE WHEN map_reporter.realname = '' THEN map_reporter.login_name ELSE map_reporter.realname END AS reporter_realname" , "Reporter" );
DefineColumn("qa_contact_realname" , "CASE WHEN map_qa_contact.realname = '' THEN map_qa_contact.login_name ELSE map_qa_contact.realname END AS qa_contact_realname" , "QA Contact");
} else {
DefineColumn("assigned_to_realname", "map_assigned_to.realname" , "Assignee" );
DefineColumn("reporter_realname" , "map_reporter.realname" , "Reporter" );
@ -501,7 +501,7 @@ DefineColumn("remaining_time" , "bugs.remaining_time" , "Remaining Hou
DefineColumn("actual_time" , "(SUM(ldtime.work_time)*COUNT(DISTINCT ldtime.bug_when)/COUNT(bugs.bug_id)) AS actual_time", "Actual Hours");
DefineColumn("percentage_complete","(100*((SUM(ldtime.work_time)*COUNT(DISTINCT ldtime.bug_when)/COUNT(bugs.bug_id))/((SUM(ldtime.work_time)*COUNT(DISTINCT ldtime.bug_when)/COUNT(bugs.bug_id))+bugs.remaining_time))) AS percentage_complete", "% Complete");
DefineColumn("relevance" , "relevance" , "Relevance" );
DefineColumn("deadline" , $dbh->sql_date_format('bugs.deadline', '%Y-%m-%d'), "Deadline");
DefineColumn("deadline" , $dbh->sql_date_format('bugs.deadline', '%Y-%m-%d') . " AS deadline", "Deadline");
################################################################################
# Display Column Determination
@ -881,7 +881,7 @@ if (@bugidlist) {
"AND group_control_map.group_id=bug_group_map.group_id " .
"WHERE bugs.bug_id = bug_group_map.bug_id " .
"AND bugs.bug_id IN (" . join(',',@bugidlist) . ") " .
"GROUP BY bugs.bug_id");
$dbh->sql_group_by('bugs.bug_id'));
$sth->execute();
while (my ($bug_id, $min_membercontrol) = $sth->fetchrow_array()) {
$min_membercontrol{$bug_id} = $min_membercontrol;

7
webtools/bugzilla/describekeywords.cgi
Просмотреть файл

@ -35,11 +35,14 @@ use vars qw($vars $template);
Bugzilla->login();
my $cgi = Bugzilla->cgi;
my $dbh = Bugzilla->dbh;
SendSQL("SELECT keyworddefs.name, keyworddefs.description,
COUNT(keywords.bug_id)
FROM keyworddefs LEFT JOIN keywords ON keyworddefs.id=keywords.keywordid
GROUP BY keyworddefs.id
FROM keyworddefs LEFT JOIN keywords
ON keyworddefs.id = keywords.keywordid " .
$dbh->sql_group_by('keyworddefs.id',
'keyworddefs.name, keyworddefs.description') . "
ORDER BY keyworddefs.name");
my @keywords;

11
webtools/bugzilla/editclassifications.cgi
Просмотреть файл

@ -111,12 +111,15 @@ unless ($action) {
# - must use "group by classifications.id" instead of
# products.classification_id. Otherwise it won't look for all
# classification ids, just the ones used by the products.
my $sth = $dbh->prepare("SELECT classifications.id,classifications.name,
my $sth = $dbh->prepare("SELECT classifications.id, classifications.name,
classifications.description,
COUNT(classification_id) as total
COUNT(classification_id) AS total
FROM classifications
LEFT JOIN products ON classifications.id=products.classification_id
GROUP BY classifications.id
LEFT JOIN products
ON classifications.id = products.classification_id
" . $dbh->sql_group_by('classifications.id',
'classifications.name,
classifications.description') . "
ORDER BY name");
$sth->execute();
while (my ($id,$classification,$description,$total) = $sth->fetchrow_array()) {

21
webtools/bugzilla/editcomponents.cgi
Просмотреть файл

@ -139,8 +139,9 @@ unless ($product) {
if ($showbugcounts){
SendSQL("SELECT products.name, products.description, COUNT(bug_id)
FROM products LEFT JOIN bugs ON products.id = bugs.product_id
GROUP BY products.name
FROM products LEFT JOIN bugs
ON products.id = bugs.product_id " .
$dbh->sql_group_by('products.name', 'products.description') . "
ORDER BY products.name");
} else {
SendSQL("SELECT products.name, products.description
@ -184,17 +185,19 @@ unless ($action) {
my @components = ();
if ($showbugcounts) {
SendSQL("SELECT name,description, initialowner,
SendSQL("SELECT name, description, initialowner,
initialqacontact, COUNT(bug_id)
FROM components LEFT JOIN bugs ON
components.id = bugs.component_id
WHERE components.product_id = $product_id
GROUP BY name");
FROM components LEFT JOIN bugs
ON components.id = bugs.component_id
WHERE components.product_id = $product_id " .
$dbh->sql_group_by('name',
'description, initialowner, initialqacontact'));
} else {
SendSQL("SELECT name, description, initialowner, initialqacontact
FROM components
WHERE product_id = $product_id
GROUP BY name");
WHERE product_id = $product_id " .
$dbh->sql_group_by('name',
'description, initialowner, initialqacontact'));
}
while (MoreSQLData()) {

7
webtools/bugzilla/editkeywords.cgi
Просмотреть файл

@ -30,6 +30,7 @@ use Bugzilla::Config qw(:DEFAULT $datadir);
use Bugzilla::User;
my $cgi = Bugzilla->cgi;
my $dbh = Bugzilla->dbh;
use vars qw($template $vars);
@ -70,8 +71,10 @@ if ($action eq "") {
SendSQL("SELECT keyworddefs.id, keyworddefs.name, keyworddefs.description,
COUNT(keywords.bug_id)
FROM keyworddefs LEFT JOIN keywords ON keyworddefs.id = keywords.keywordid
GROUP BY keyworddefs.id
FROM keyworddefs LEFT JOIN keywords
ON keyworddefs.id = keywords.keywordid " .
$dbh->sql_group_by('keyworddefs.id',
'keyworddefs.name, keyworddefs.description') . "
ORDER BY keyworddefs.name");
while (MoreSQLData()) {

5
webtools/bugzilla/editmilestones.cgi
Просмотреть файл

@ -310,8 +310,9 @@ if ($action eq 'del') {
my $dbh = Bugzilla->dbh;
my $sth = $dbh->prepare('SELECT count(bug_id), product_id, target_milestone
FROM bugs
GROUP BY product_id, target_milestone
FROM bugs ' .
$dbh->sql_group_by('product_id,
target_milestone') . '
HAVING product_id = ?
AND target_milestone = ?');

47
webtools/bugzilla/editproducts.cgi
Просмотреть файл

@ -297,10 +297,14 @@ if (Param('useclassification')) {
unless ($classification) {
PutHeader("Select classification");
SendSQL("SELECT classifications.name,classifications.description,COUNT(classification_id) as total
SendSQL("SELECT classifications.name, classifications.description,
COUNT(classification_id) AS total
FROM classifications
LEFT JOIN products ON classifications.id=products.classification_id
GROUP BY classifications.id
LEFT JOIN products
ON classifications.id = products.classification_id " .
$dbh->sql_group_by('classifications.id',
'classifications.name,
classifications.description') . "
ORDER BY name");
print "<TABLE BORDER=1 CELLPADDING=4 CELLSPACING=0><TR BGCOLOR=\"#6666FF\">\n";
print " <TH ALIGN=\"left\">Edit products of ...</TH>\n";
@ -361,7 +365,11 @@ unless ($action) {
$classification);
}
$query .= " GROUP BY products.name ORDER BY products.name";
$query .= " " . $dbh->sql_group_by('products.name',
'products.description, disallownew,
votesperuser, maxvotesperbug,
votestoconfirm');
$query .= " ORDER BY products.name";
$vars->{'products'} = $dbh->selectall_arrayref($query,
{'Slice' => {}},
@ -727,10 +735,10 @@ if ($action eq 'del') {
print "</TD>\n</TR><TR>\n";
print " <TD VALIGN=\"top\">Bugs:</TD>\n";
print " <TD VALIGN=\"top\">";
SendSQL("SELECT count(bug_id),product_id
FROM bugs
GROUP BY product_id
HAVING product_id=$product_id");
SendSQL("SELECT count(bug_id), product_id
FROM bugs " .
$dbh->sql_group_by('product_id') . "
HAVING product_id = $product_id");
my $bugs = FetchOneColumn();
print $bugs || 'none';
@ -978,10 +986,10 @@ if ($action eq 'edit') {
print "</TD>\n</TR><TR>\n";
print " <TH ALIGN=\"right\">Bugs:</TH>\n";
print " <TD>";
SendSQL("SELECT count(bug_id),product_id
FROM bugs
GROUP BY product_id
HAVING product_id=$product_id");
SendSQL("SELECT count(bug_id), product_id
FROM bugs " .
$dbh->sql_group_by('product_id') . "
HAVING product_id = $product_id");
my $bugs = '';
$bugs = FetchOneColumn() if MoreSQLData();
print $bugs || 'none';
@ -1038,11 +1046,11 @@ if ($action eq 'updategroupcontrols') {
if (@now_na) {
SendSQL("SELECT groups.name, COUNT(bugs.bug_id)
FROM bugs, bug_group_map, groups
WHERE groups.id IN(" . join(',',@now_na) . ")
WHERE groups.id IN(" . join(', ', @now_na) . ")
AND bug_group_map.group_id = groups.id
AND bug_group_map.bug_id = bugs.bug_id
AND bugs.product_id = $product_id
GROUP BY groups.name");
AND bugs.product_id = $product_id " .
$dbh->sql_group_by('groups.name'));
while (MoreSQLData()) {
my ($groupname, $bugcount) = FetchSQLData();
my %g = ();
@ -1059,10 +1067,10 @@ if ($action eq 'updategroupcontrols') {
LEFT JOIN bug_group_map
ON bug_group_map.group_id = groups.id
AND bug_group_map.bug_id = bugs.bug_id
WHERE groups.id IN(" . join(',',@now_mandatory) . ")
WHERE groups.id IN(" . join(', ', @now_mandatory) . ")
AND bugs.product_id = $product_id
AND bug_group_map.bug_id IS NULL
GROUP BY groups.name");
AND bug_group_map.bug_id IS NULL " .
$dbh->sql_group_by('groups.name'));
while (MoreSQLData()) {
my ($groupname, $bugcount) = FetchSQLData();
my %g = ();
@ -1487,7 +1495,8 @@ if ($action eq 'editgroupcontrols') {
"WHERE isbuggroup != 0 " .
"AND (isactive != 0 OR entry IS NOT NULL " .
"OR bugs.bug_id IS NOT NULL) " .
"GROUP BY name");
$dbh->sql_group_by('name', 'id, entry, membercontrol,
othercontrol, canedit, isactive'));
my @groups = ();
while (MoreSQLData()) {
my %group = ();

7
webtools/bugzilla/editusers.cgi
Просмотреть файл

@ -682,6 +682,7 @@ sub userDataToVars {
my $userid = shift;
my $user = new Bugzilla::User($userid);
my $query;
my $dbh = Bugzilla->dbh;
$user->derive_groups();
@ -717,8 +718,7 @@ sub userDataToVars {
AND directbless.user_id = ?
AND directbless.isbless = 1
AND directbless.grant_type = ?
GROUP BY id
},
} . $dbh->sql_group_by('id'),
'id', undef,
($userid, GRANT_DIRECT,
$userid, GRANT_REGEXP,
@ -733,8 +733,7 @@ sub userDataToVars {
AND ggm.member_id = ugm.group_id
AND ugm.isbless = 0
AND ggm.grant_type = ?
GROUP BY id
};
} . $dbh->sql_group_by('id');
foreach (@{$dbh->selectall_arrayref($query, undef, ($userid, GROUP_BLESS))}) {
# Merge indirect bless permissions into permission variable.
$vars->{'permissions'}{${$_}[0]}{'indirectbless'} = 1;

11
webtools/bugzilla/request.cgi
Просмотреть файл

@ -206,8 +206,15 @@ sub queue {
# Group the records by flag ID so we don't get multiple rows of data
# for each flag. This is only necessary because of the code that
# removes flags on bugs the user is unauthorized to access.
$query .= " GROUP BY flags.id " .
"HAVING cntuseringroups = cntbugingroups OR canseeanyway ";
$query .= ' ' . $dbh->sql_group_by('flags.id',
'flagtypes.name, flags.status, flags.bug_id, bugs.short_desc,
products.name, components.name, flags.attach_id,
attachments.description, requesters.realname,
requesters.login_name, requestees.realname,
requestees.login_name, flags.creation_date,
cclist_accessible, bugs.reporter, bugs.reporter_accessible,
bugs.assigned_to');
$query .= " HAVING cntuseringroups = cntbugingroups OR canseeanyway ";
# Group the records, in other words order them by the group column
# so the loop in the display template can break them up into separate

6
webtools/bugzilla/sanitycheck.cgi
Просмотреть файл

@ -102,7 +102,8 @@ if (defined $cgi->param('rebuildvotecache')) {
Status("OK, now rebuilding vote cache.");
$dbh->bz_lock_tables('bugs WRITE', 'votes READ');
SendSQL("UPDATE bugs SET votes = 0");
SendSQL("SELECT bug_id, SUM(vote_count) FROM votes GROUP BY bug_id");
SendSQL("SELECT bug_id, SUM(vote_count) FROM votes " .
$dbh->sql_group_by('bug_id'));
my %votes;
while (@row = FetchSQLData()) {
my ($id, $v) = (@row);
@ -482,7 +483,8 @@ while (@row = FetchSQLData()) {
}
Status("Checking cached vote counts");
SendSQL("SELECT bug_id, SUM(vote_count) FROM votes GROUP BY bug_id");
SendSQL("SELECT bug_id, SUM(vote_count) FROM votes " .
$dbh->sql_group_by('bug_id'));
while (@row = FetchSQLData()) {
my ($id, $v) = (@row);

10
webtools/bugzilla/summarize_time.cgi
Просмотреть файл

@ -236,8 +236,9 @@ sub query_work_by_buglist {
WHERE longdescs.bug_id IN ($buglist) AND
longdescs.who = profiles.userid AND
bugs.bug_id = longdescs.bug_id
$date_bits
GROUP BY longdescs.bug_id, profiles.login_name
$date_bits } .
$dbh->sql_group_by('longdescs.bug_id, profiles.login_name',
'bugs.short_desc, bugs.bug_status') . qq{
ORDER BY longdescs.bug_when};
my $sth = $dbh->prepare($q);
$sth->execute(@{$date_values});
@ -314,8 +315,9 @@ sub get_inactive_bugs {
FROM longdescs, bugs
WHERE longdescs.bug_id IN ($buglist) AND
bugs.bug_id = longdescs.bug_id
$date_bits
GROUP BY longdescs.bug_id
$date_bits } .
$dbh->sql_group_by('longdescs.bug_id',
'bugs.short_desc, bugs.bug_status') . qq{
ORDER BY longdescs.bug_when};
$sth = $dbh->prepare($q);
$sth->execute(@{$date_values});