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Group summaries: Specify GROUP BY clause manually

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Eric Lippmann 2022-04-13 16:00:33 +02:00 committed by Johannes Meyer
parent 8495244246
commit c41dbb80f4
2 changed files with 60 additions and 0 deletions
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30
library/Icingadb/Model/Hostgroupsummary.php
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@ -7,10 +7,40 @@ namespace Icinga\Module\Icingadb\Model;
use Icinga\Module\Icingadb\Model\Behavior\Binary;
use ipl\Orm\Behaviors;
use ipl\Orm\UnionModel;
use ipl\Sql\Adapter\Pgsql;
use ipl\Sql\Connection;
use ipl\Sql\Expression;
use ipl\Sql\Select;
class Hostgroupsummary extends UnionModel
{
public static function on(Connection $db)
{
$q = parent::on($db);
$q->on($q::ON_SELECT_ASSEMBLED, function (Select $select) use ($q) {
$model = $q->getModel();
$groupBy = $q->getResolver()->qualifyColumnsAndAliases((array) $model->getKeyName(), $model, false);
// For PostgreSQL, ALL non-aggregate SELECT columns must appear in the GROUP BY clause:
if ($q->getDb()->getAdapter() instanceof Pgsql) {
/**
* Ignore Expressions, i.e. aggregate functions {@see getColumns()},
* which do not need to be added to the GROUP BY.
*/
$candidates = array_filter($select->getColumns(), 'is_string');
// Remove already considered columns for the GROUP BY, i.e. the primary key.
$candidates = array_diff_assoc($candidates, $groupBy);
$groupBy = array_merge($groupBy, $candidates);
}
$select->groupBy($groupBy);
});
return $q;
}
public function getTableName()
{
return 'hostgroup';

30
library/Icingadb/Model/ServicegroupSummary.php
View file

@ -7,10 +7,40 @@ namespace Icinga\Module\Icingadb\Model;
use Icinga\Module\Icingadb\Model\Behavior\Binary;
use ipl\Orm\Behaviors;
use ipl\Orm\UnionModel;
use ipl\Sql\Adapter\Pgsql;
use ipl\Sql\Connection;
use ipl\Sql\Expression;
use ipl\Sql\Select;
class ServicegroupSummary extends UnionModel
{
public static function on(Connection $db)
{
$q = parent::on($db);
$q->on($q::ON_SELECT_ASSEMBLED, function (Select $select) use ($q) {
$model = $q->getModel();
$groupBy = $q->getResolver()->qualifyColumnsAndAliases((array) $model->getKeyName(), $model, false);
// For PostgreSQL, ALL non-aggregate SELECT columns must appear in the GROUP BY clause:
if ($q->getDb()->getAdapter() instanceof Pgsql) {
/**
* Ignore Expressions, i.e. aggregate functions {@see getColumns()},
* which do not need to be added to the GROUP BY.
*/
$candidates = array_filter($select->getColumns(), 'is_string');
// Remove already considered columns for the GROUP BY, i.e. the primary key.
$candidates = array_diff_assoc($candidates, $groupBy);
$groupBy = array_merge($groupBy, $candidates);
}
$select->groupBy($groupBy);
});
return $q;
}
public function getTableName()
{
return 'servicegroup';