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fix: failover's DBPrefix not working #5816

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merged 2 commits into from
Mar 25, 2022
Merged

fix: failover's DBPrefix not working #5816

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e4fcba2
fix: failover's DBPrefix not working
kenjis Mar 20, 2022
5a45612
test: fix failed test
kenjis Mar 20, 2022
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7 changes: 7 additions & 0 deletions system/Database/BaseConnection.php
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Original file line number Diff line number Diff line change
Expand Up @@ -342,6 +342,13 @@ public function __construct(array $params)
if (class_exists($queryClass)) {
$this->queryClass = $queryClass;
}

if ($this->failover !== []) {
// If there is a failover database, connect now to do failover.
// Otherwise, Query Builder creates SQL statement with the main database config
// (DBPrefix) even when the main database is down.
$this->initialize();
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}
}

/**
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7 changes: 5 additions & 2 deletions tests/system/Database/BaseConnectionTest.php
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Expand Up @@ -105,8 +105,11 @@ public function testCanConnectToFailoverWhenNoConnectionAvailable()
$options = $this->options;
$options['failover'] = [$this->failoverOptions];

$db = new MockConnection($options);
$db->shouldReturn('connect', [false, 345])->initialize();
$db = new class ($options) extends MockConnection {
protected $returnValues = [
'connect' => [false, 345],
];
};

$this->assertSame(345, $db->getConnection());
$this->assertSame('failover', $db->username);
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12 changes: 10 additions & 2 deletions tests/system/Database/Live/ConnectTest.php
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Expand Up @@ -95,14 +95,22 @@ public function testConnectWorksWithGroupName()
public function testConnectWithFailover()
{
$this->tests['failover'][] = $this->tests;

unset($this->tests['failover'][0]['failover']);

// Change main's DBPrefix
$this->tests['DBPrefix'] = 'main_';

if ($this->tests['DBDriver'] === 'SQLite3') {
// Change main's database path to fail to connect
$this->tests['database'] = '/does/not/exists/test.db';
}

$this->tests['username'] = 'wrong';

$db1 = Database::connect($this->tests);

$this->assertSame($this->tests['failover'][0]['DBDriver'], $this->getPrivateProperty($db1, 'DBDriver'));
$this->assertSame($this->tests['failover'][0]['DBPrefix'], $this->getPrivateProperty($db1, 'DBPrefix'));

$this->assertGreaterThanOrEqual(0, count($db1->listTables()));
}
}