/**
* @return void
*/
public function rollBack()
{
if ($this->transactions == 1) {
$this->pdo->rollBack();
} elseif ($this->transactions > 1 && $this->queryGrammar->supportsSavepoints()) {
$this->pdo->exec($this->queryGrammar->compileSavepointRollBack('trans' . $this->transactions));
}
$this->transactions = max(0, $this->transactions - 1);
$this->fireConnectionEvent('rollingBack');
}
/**
* @param \Notadd\Foundation\Database\Query\Builder $query
* @param string $table
* @return string
*/
protected function compileFrom(Builder $query, $table)
{
$from = parent::compileFrom($query, $table);
if (is_string($query->lock)) {
return $from . ' ' . $query->lock;
}
if (!is_null($query->lock)) {
return $from . ' with(rowlock,' . ($query->lock ? 'updlock,' : '') . 'holdlock)';
}
return $from;
}
/**
* @param \Notadd\Foundation\Database\Query\Builder $query
* @param array $values
* @return string
*/
public function compileInsert(Builder $query, array $values)
{
$table = $this->wrapTable($query->from);
if (!is_array(reset($values))) {
$values = [$values];
}
if (count($values) == 1) {
return parent::compileInsert($query, reset($values));
}
$names = $this->columnize(array_keys(reset($values)));
$columns = [];
foreach (array_keys(reset($values)) as $column) {
$columns[] = '? as ' . $this->wrap($column);
}
$columns = array_fill(0, count($values), implode(', ', $columns));
return "insert into {$table} ({$names}) select " . implode(' union all select ', $columns);
}
/**
* @return void
*/
public function truncate()
{
foreach ($this->grammar->compileTruncate($this) as $sql => $bindings) {
$this->connection->statement($sql, $bindings);
}
}
