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Merge pull request #39 from dhensby/pulls/2.0/nested-transactions

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FIX Add nested transaction support
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Damian Mooyman 2018-03-13 09:25:09 +13:00 committed by GitHub
commit a38ab53e33
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1 changed files with 22 additions and 3 deletions
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25
code/SQLite3Database.php
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@ -60,6 +60,11 @@ class SQLite3Database extends Database
*/ */
protected $livesInMemory = false; protected $livesInMemory = false;
/**
* @var bool
*/
protected $transactionNesting = 0;
/** /**
* List of default pragma values * List of default pragma values
* *
@ -465,7 +470,12 @@ class SQLite3Database extends Database
public function transactionStart($transaction_mode = false, $session_characteristics = false) public function transactionStart($transaction_mode = false, $session_characteristics = false)
{ {
$this->query('BEGIN'); if ($this->transactionNesting > 0) {
$this->transactionSavepoint('NESTEDTRANSACTION' . $this->transactionNesting);
} else {
$this->query('BEGIN');
}
++$this->transactionNesting;
} }
public function transactionSavepoint($savepoint) public function transactionSavepoint($savepoint)
@ -478,13 +488,22 @@ class SQLite3Database extends Database
if ($savepoint) { if ($savepoint) {
$this->query("ROLLBACK TO $savepoint;"); $this->query("ROLLBACK TO $savepoint;");
} else { } else {
$this->query('ROLLBACK;'); --$this->transactionNesting;
if ($this->transactionNesting > 0) {
$this->transactionRollback('NESTEDTRANSACTION' . $this->transactionNesting);
} else {
$this->query('ROLLBACK;');
}
} }
} }
public function transactionEnd($chain = false) public function transactionEnd($chain = false)
{ {
$this->query('COMMIT;'); --$this->transactionNesting;
if ($this->transactionNesting <= 0) {
$this->transactionNesting = 0;
$this->query('COMMIT;');
}
} }
public function clearTable($table) public function clearTable($table)