protected function expireValue($key)
{
unset($this->cache[$key]);
$cf = new ColumnFamily($this->cassandra, $this->config['column_family']);
try {
// __data key set as C* requires a field
$cf->remove($key, array('__data'));
} catch (\Exception $e) {
return false;
}
return true;
}
$sys->create_keyspace('Keyspace1', array("strategy_class" => StrategyClass::SIMPLE_STRATEGY, "strategy_options" => array('replication_factor' => '1')));
$sys->create_column_family('Keyspace1', 'Users');
// Start a connection pool, create our ColumnFamily instance
$pool = new ConnectionPool('Keyspace1', array('127.0.0.1'));
$users = new ColumnFamily($pool, 'Users');
// Insert a few records
$users->insert('user0', array("name" => "joe", "state" => "TX"));
$users->insert('user1', array("name" => "bob", "state" => "CA"));
// Fetch a user record
$user = $users->get('user0');
$name = $user["name"];
echo "Fetched user {$name}\n";
// Fetch both at once
$both = $users->multiget(array('user0', 'user1'));
foreach ($both as $user_id => $columns) {
echo "{$user_id} state: " . $columns["state"] . "\n";
}
// Only fetch the name of user1
$columns = $users->get('user1', $column_slice = null, $column_names = array("name"));
echo "Name is " . $columns["name"] . "\n";
// Insert two more records at once
$users->batch_insert(array("user3" => array("name" => "kat"), "user4" => array("name" => "tom")));
// Remove the last row
$users->remove("user4");
// Clear out the column family
$users->truncate();
// Destroy our schema
$sys->drop_keyspace("Keyspace1");
// Close our connections
$pool->close();
$sys->close();
public function test_get_indexed_slices()
{
$this->require_opp();
$indexed_cf = new ColumnFamily($this->pool, 'Indexed1');
$indexed_cf->truncate();
$columns = array('birthdate' => 1);
foreach (range(1, 3) as $i) {
$indexed_cf->insert('key' . $i, $columns);
}
$expr = new IndexExpression($column_name = 'birthdate', $value = 1);
$clause = new IndexClause(array($expr), 10000);
$result = $indexed_cf->get_indexed_slices($clause);
$count = 0;
foreach ($result as $key => $cols) {
$count++;
$this->assertEquals($columns, $cols);
$this->assertEquals($key, "key{$count}");
}
$this->assertEquals($count, 3);
# Insert and remove a matching row at the beginning
$indexed_cf->insert('key0', $columns);
$indexed_cf->remove('key0');
# Insert and remove a matching row at the end
$indexed_cf->insert('key4', $columns);
$indexed_cf->remove('key4');
# Remove a matching row from the middle
$indexed_cf->remove('key2');
$result = $indexed_cf->get_indexed_slices($clause);
$count = 0;
foreach ($result as $key => $cols) {
$count++;
$this->assertContains($key, array("key1", "key3"));
}
$this->assertEquals($count, 2);
$indexed_cf->truncate();
$keys = array();
foreach (range(1, 1000) as $i) {
$indexed_cf->insert("key{$i}", $columns);
if ($i % 50 != 0) {
$indexed_cf->remove("key{$i}");
} else {
$keys[] = "key{$i}";
}
}
$count = 0;
foreach ($result as $key => $cols) {
$count++;
$this->assertContains($key, $keys);
unset($keys[$key]);
}
$this->assertEquals($count, 20);
$indexed_cf->truncate();
}
/**
* Remove an item from the cache.
*
* @param string $key
* @return void
*/
public function forget($key)
{
$this->columnFamily->remove($this->prefix . $key);
// removes whole row
}
$key = $_GET['key'];
}
$super_column_key = null;
if (isset($_GET['super_column_key'])) {
$super_column_key = $_GET['super_column_key'];
}
try {
$pool = new ConnectionPool($keyspace_name, $cluster_helper->getArrayOfNodesForCurrentCluster(), null, 5, 5000, 5000, 10000, $cluster_helper->getCredentialsForCurrentCluster());
$cf_def = ColumnFamilyHelper::getCFInKeyspace($keyspace_name, $columnfamily_name);
$is_super_cf = $cf_def->column_type == 'Super';
if ($is_super_cf) {
$column_family = new SuperColumnFamily($pool, $columnfamily_name);
} else {
$column_family = new ColumnFamily($pool, $columnfamily_name);
}
$column_family->remove($key, null, $super_column_key);
redirect('columnfamily_action.php?action=browse_data&keyspace_name=' . $keyspace_name . '&columnfamily_name=' . $columnfamily_name);
} catch (cassandra\NotFoundException $e) {
$included_header = true;
echo getHTML('header.php');
echo displayErrorMessage('columnfamily_doesnt_exists', array('column_name' => $columnfamily_name));
} catch (Exception $e) {
$included_header = true;
echo getHTML('header.php');
echo displayErrorMessage('something_wrong_happened', array('message' => $e->getMessage()));
}
}
/*
Modify counter
*/
if (isset($_POST['btn_modify_counter'])) {
