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Merge pull request #936 from halkyon/custom_database_fields_cache

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Fixing performance of DataObject::custom_database_fields()
This commit is contained in:
Ingo Schommer 2012-11-07 02:58:54 -08:00
commit 19a4e8a704
1 changed files with 14 additions and 4 deletions
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18
model/DataObject.php
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@ -147,7 +147,8 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
public static $cache_has_own_table_field = array();
protected static $_cache_get_one;
protected static $_cache_get_class_ancestry;
protected static $_cache_composite_fields = array();
protected static $_cache_composite_fields = array();
protected static $_cache_custom_database_fields = array();
protected static $_cache_field_labels = array();
/**
@ -226,8 +227,12 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
* @return array Map of fieldname to specification, similiar to {@link DataObject::$db}.
*/
public static function custom_database_fields($class) {
if(isset(self::$_cache_custom_database_fields[$class])) {
return self::$_cache_custom_database_fields[$class];
}
$fields = Config::inst()->get($class, 'db', Config::UNINHERITED);
foreach(self::composite_fields($class, false) as $fieldName => $fieldClass) {
// Remove the original fieldname, it's not an actual database column
unset($fields[$fieldName]);
@ -244,8 +249,12 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
if($hasOne) foreach(array_keys($hasOne) as $field) {
$fields[$field . 'ID'] = 'ForeignKey';
}
return (array)$fields;
$output = (array) $fields;
self::$_cache_custom_database_fields[$class] = $output;
return $output;
}
/**
@ -2899,6 +2908,7 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
DataObject::$cache_has_own_table_field = array();
DataObject::$_cache_get_one = array();
DataObject::$_cache_composite_fields = array();
DataObject::$_cache_custom_database_fields = array();
DataObject::$_cache_get_class_ancestry = array();
DataObject::$_cache_field_labels = array();
}