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Update branch alias to 4.5.x-dev

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This commit is contained in:
Robbie Averill 2019-04-21 11:10:17 +12:00
commit b5b4014280
3 changed files with 34 additions and 3 deletions
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2
composer.json
View File

@ -61,7 +61,7 @@
},
"extra": {
"branch-alias": {
"4.x-dev": "4.4.x-dev"
"4.x-dev": "4.5.x-dev"
},
"expose": [
"client/images",

14
src/ORM/DataList.php
View File

@ -771,6 +771,20 @@ class DataList extends ViewableData implements SS_List, Filterable, Sortable, Li
return $this;
}
/**
* Returns a generator for this DataList
*
* @return \Generator&DataObject[]
*/
public function getGenerator()
{
$query = $this->dataQuery->query()->execute();
while ($row = $query->record()) {
yield $this->createDataObject($row);
}
}
public function debug()
{
$val = "<h2>" . static::class . "</h2><ul>";

21
src/ORM/FieldType/DBForeignKey.php
View File

@ -87,12 +87,29 @@ class DBForeignKey extends DBInt
// Add the count of the list to a cache for subsequent calls
if (!isset(static::$foreignListCache[$hasOneClass])) {
// Let the DB do the threshold check as it will be faster - depending on the SQL engine it might only have
// to count indexes
$dataQuery = $list->dataQuery()->getFinalisedQuery();
// Clear order-by as it's not relevant for counts
$dataQuery->setOrderBy(false);
// Remove distinct. Applying distinct shouldn't be required provided relations are not applied.
$dataQuery->setDistinct(false);
$dataQuery->setSelect(['over_threshold' => 'count(*) > ' . (int) $threshold]);
$result = $dataQuery->execute()->column('over_threshold');
// Checking for 't' supports PostgreSQL before silverstripe/postgresql@2.2
$overThreshold = !empty($result) && ($result[0] === 't' || (int) $result[0] === 1);
static::$foreignListCache[$hasOneClass] = [
'count' => $list->count(),
'overThreshold' => $overThreshold,
];
}
if (static::$foreignListCache[$hasOneClass]['count'] < $threshold) {
$overThreshold = static::$foreignListCache[$hasOneClass]['overThreshold'];
if (!$overThreshold) {
// Add the mapped list for the cache
if (!isset(static::$foreignListCache[$hasOneClass]['map'])) {
static::$foreignListCache[$hasOneClass]['map'] = $list->map('ID', $titleField);