silverstripe-framework/tests/php/ORM/PDODatabaseTest.php

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<?php
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namespace SilverStripe\ORM\Tests;
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use SilverStripe\ORM\Connect\PDOQuery;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\Connect\PDOConnector;
use SilverStripe\ORM\Queries\SQLUpdate;
use SilverStripe\Dev\SapphireTest;
class PDODatabaseTest extends SapphireTest {
protected static $fixture_file = 'MySQLDatabaseTest.yml';
protected $extraDataObjects = array(
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MySQLDatabaseTest\Data::class
);
public function testPreparedStatements() {
if(!(DB::get_connector() instanceof PDOConnector)) {
$this->markTestSkipped('This test requires the current DB connector is PDO');
}
// Test preparation of equivalent statemetns
$result1 = DB::get_connector()->preparedQuery(
'SELECT "Sort", "Title" FROM "MySQLDatabaseTest_Data" WHERE "Sort" > ? ORDER BY "Sort"',
array(0)
);
$result2 = DB::get_connector()->preparedQuery(
'SELECT "Sort", "Title" FROM "MySQLDatabaseTest_Data" WHERE "Sort" > ? ORDER BY "Sort"',
array(2)
);
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$this->assertInstanceOf(PDOQuery::class, $result1);
$this->assertInstanceOf(PDOQuery::class, $result2);
// Also select non-prepared statement
$result3 = DB::get_connector()->query('SELECT "Sort", "Title" FROM "MySQLDatabaseTest_Data" ORDER BY "Sort"');
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$this->assertInstanceOf(PDOQuery::class, $result3);
// Iterating one level should not buffer, but return the right result
$this->assertEquals(
array(
'Sort' => 1,
'Title' => 'First Item'
),
$result1->next()
);
$this->assertEquals(
array(
'Sort' => 2,
'Title' => 'Second Item'
),
$result1->next()
);
// Test first
$this->assertEquals(
array(
'Sort' => 1,
'Title' => 'First Item'
),
$result1->first()
);
// Test seek
$this->assertEquals(
array(
'Sort' => 2,
'Title' => 'Second Item'
),
$result1->seek(1)
);
// Test count
$this->assertEquals(4, $result1->numRecords());
// Test second statement
$this->assertEquals(
array(
'Sort' => 3,
'Title' => 'Third Item'
),
$result2->next()
);
// Test non-prepared query
$this->assertEquals(
array(
'Sort' => 1,
'Title' => 'First Item'
),
$result3->next()
);
}
public function testAffectedRows() {
if(!(DB::get_connector() instanceof PDOConnector)) {
$this->markTestSkipped('This test requires the current DB connector is PDO');
}
$query = new SQLUpdate('MySQLDatabaseTest_Data');
$query->setAssignments(array('Title' => 'New Title'));
// Test update which affects no rows
$query->setWhere(array('Title' => 'Bob'));
$result = $query->execute();
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$this->assertInstanceOf(PDOQuery::class, $result);
$this->assertEquals(0, DB::affected_rows());
// Test update which affects some rows
$query->setWhere(array('Title' => 'First Item'));
$result = $query->execute();
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$this->assertInstanceOf(PDOQuery::class, $result);
$this->assertEquals(1, DB::affected_rows());
}
}