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Restore: go on after a partial write; created tables stay once the database is committed

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Dillard Blom
2026-11-06 18:27:00 +01:00
parent dd2e1af997
commit ee406c481e
3 changed files with 52 additions and 17 deletions
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lib/Db/DbDumper.php
+15 -15
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@@ -225,21 +225,6 @@ final class DbDumper {
$this->restoreSequences($manifest['sequences'] ?? [], $report['missing'], array_merge($report['restored'], $report['skipped']));
$this->resumeForeignKeys($foreignKeys);
$this->db->commit();
// Foreign keys of the tables created above, now their rows are in. Not inside the
// transaction: MySQL commits on DDL. A failure is reported, not fatal: the data is
// restored either way.
foreach ($report['created'] as $table) {
$structure = $manifest['tables'][$table]['schema'] ?? [];
foreach ($structure['foreignKeys'] ?? [] as $fk) {
try {
$this->db->createSchemaManager()->createForeignKey(
new \Doctrine\DBAL\Schema\ForeignKeyConstraint($fk['columns'], $fk['table'], $fk['foreign'], $fk['name'], $fk['options'] ?? []),
$table);
} catch (\Throwable $e) {
$report['foreignKeyErrors'][] = $table . '.' . $fk['name'] . ': ' . $e->getMessage();
}
}
}
} catch (\Throwable $e) {
$this->db->rollBack();
// PostgreSQL rolls the dropped foreign keys back with the transaction; MySQL's session
@@ -250,6 +235,21 @@ final class DbDumper {
$this->dropCreatedTables($report);
throw $e;
}
// Committed. Foreign keys of the tables created above, now their rows are in. Not inside the
// transaction: MySQL commits on DDL. A failure is reported, not fatal: the data is restored
// either way, and the created tables stay.
foreach ($report['created'] as $table) {
$structure = $manifest['tables'][$table]['schema'] ?? [];
foreach ($structure['foreignKeys'] ?? [] as $fk) {
try {
$this->db->createSchemaManager()->createForeignKey(
new \Doctrine\DBAL\Schema\ForeignKeyConstraint($fk['columns'], $fk['table'], $fk['foreign'], $fk['name'], $fk['options'] ?? []),
$table);
} catch (\Throwable $e) {
$report['foreignKeyErrors'][] = $table . '.' . $fk['name'] . ': ' . $e->getMessage();
}
}
}
return $total;
}