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Merge pull request #9456 from open-sausages/pulls/4/avoid-tempdatabase-infinite-loop

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BUG Infinite loops in TempDatabase (fixes #8902)
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Loz Calver 2020-04-09 09:28:57 +01:00 committed by GitHub
commit 3ad4b93daa
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1 changed files with 36 additions and 15 deletions
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25
src/ORM/Connect/TempDatabase.php
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@ -24,6 +24,13 @@ class TempDatabase
*/
protected $name = null;
/**
* Workaround to avoid infinite loops.
*
* @var Exception
*/
private $skippedException = null;
/**
* Optionally remove the test DB when the PHP process exits
*
@ -232,9 +239,13 @@ class TempDatabase
$dataClasses = ClassInfo::subclassesFor(DataObject::class);
array_shift($dataClasses);
$oldCheckAndRepairOnBuild = Config::inst()->get(DBSchemaManager::class, 'check_and_repair_on_build');
Config::modify()->set(DBSchemaManager::class, 'check_and_repair_on_build', false);
$schema = $this->getConn()->getSchemaManager();
$schema->quiet();
$schema->schemaUpdate(function () use ($dataClasses, $extraDataObjects) {
$schema->schemaUpdate(
function () use ($dataClasses, $extraDataObjects) {
foreach ($dataClasses as $dataClass) {
// Check if class exists before trying to instantiate - this sidesteps any manifest weirdness
if (class_exists($dataClass)) {
@ -254,7 +265,10 @@ class TempDatabase
}
}
}
});
}
);
Config::modify()->set(DBSchemaManager::class, 'check_and_repair_on_build', $oldCheckAndRepairOnBuild);
ClassInfo::reset_db_cache();
DataObject::singleton()->flushCache();
@ -293,6 +307,13 @@ class TempDatabase
try {
$this->rebuildTables($extraDataObjects);
} catch (DatabaseException $ex) {
// Avoid infinite loops
if ($this->skippedException && $this->skippedException->getMessage() == $ex->getMessage()) {
throw $ex;
}
$this->skippedException = $ex;
// In case of error during build force a hard reset
// e.g. pgsql doesn't allow schema updates inside transactions
$this->kill();