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monitoring: Eliminate unncessary GROUP BY clauses in the HoststatusQuery 

refs #9956
This commit is contained in:
Eric Lippmann 2015-08-19 11:40:37 +02:00
parent 6e12dd4d78
commit 4ab20b9142
1 changed files with 57 additions and 54 deletions
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111
modules/monitoring/library/Monitoring/Backend/Ido/Query/HoststatusQuery.php
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@ -242,62 +242,65 @@ class HoststatusQuery extends IdoQuery
*/
public function getGroup()
{
$group = array();
if ($this->hasJoinedVirtualTable('hostgroups') || $this->hasJoinedVirtualTable('services')) {
$group = array('h.host_id', 'ho.object_id');
if ($this->hasJoinedVirtualTable('hoststatus')) {
$group[] = 'hs.hoststatus_id';
}
if ($this->hasJoinedVirtualTable('serviceproblemsummary')) {
$group[] = 'sps.unhandled_services_count';
}
if ($this->hasJoinedVirtualTable('hostgroups')) {
$selected = false;
foreach ($this->columns as $alias => $column) {
if ($column instanceof Zend_Db_Expr) {
continue;
}
$table = $this->aliasToTableName(
$this->hasAliasName($alias) ? $alias : $this->customAliasToAlias($alias)
);
if ($table === 'hostgroups') {
$selected = true;
break;
}
}
if ($selected) {
$group[] = 'hg.hostgroup_id';
$group[] = 'hgo.object_id';
}
}
if ($this->hasJoinedVirtualTable('servicegroups')) {
$selected = false;
foreach ($this->columns as $alias => $column) {
if ($column instanceof Zend_Db_Expr) {
continue;
}
$table = $this->aliasToTableName(
$this->hasAliasName($alias) ? $alias : $this->customAliasToAlias($alias)
);
if ($table === 'servicegroups') {
$selected = true;
break;
}
}
if ($selected) {
$group[] = 'sg.servicegroup_id';
$group[] = 'sgo.object_id';
}
$group = parent::getGroup() ?: array();
if (! is_array($group)) {
$group = array($group);
}
$groupedTables = array();
if ($this->hasJoinedVirtualTable('servicegroups')) {
$serviceGroupColumns = array_keys($this->columnMap['servicegroups']);
$selectedServiceGroupColumns = array_intersect($serviceGroupColumns, array_keys($this->columns));
if (! empty($selectedServiceGroupColumns)) {
$group[] = 'ho.object_id';
$group[] = 'h.host_id';
$group[] = 'sgo.object_id';
$group[] = 'sg.servicegroup_id';
$groupedTables['hosts'] = true;
$groupedTables['servicegroups'] = true;
}
}
if ($this->hasJoinedVirtualTable('hostgroups')) {
$hostGroupColumns = array_keys($this->columnMap['hostgroups']);
$selectedHostGroupColumns = array_intersect($hostGroupColumns, array_keys($this->columns));
if (! empty($selectedHostGroupColumns)) {
if (! isset($groupedTables['hosts'])) {
$group[] = 'ho.object_id';
$group[] = 'h.host_id';
$groupedTables['hosts'] = true;
}
$group[] = 'hgo.object_id';
$group[] = 'hg.hostgroup_id';
$groupedTables['hostgroups'] = true;
}
}
if (! empty($groupedTables)) {
foreach ($this->columns as $alias => $column) {
if ($column instanceof Zend_Db_Expr || $column === '(NULL)') {
continue;
}
$tableName = $this->aliasToTableName(
$this->hasAliasName($alias) ? $alias : $this->customAliasToAlias($alias)
);
if (isset($groupedTables[$tableName])) {
continue;
}
switch ($tableName) {
case 'hoststatus':
$group[] = 'hs.hoststatus_id';
break;
case 'serviceproblemsummary':
$group[] = 'sps.unhandled_services_count';
break;
case 'services':
$group[] = 'so.object_id';
$group[] = 's.service_id';
break;
default:
continue 2;
}
$groupedTables[$tableName] = true;
}
}
return $group;
}