/tr>
									<tr>
										<th><kbd>$columns</kbd></th>
										<td><em>array</em></td>
										<td><em>required</em></td>
										<td>an array of column names</td>
									</tr>
								</table>
							</td>
						</tr>
						<tr>
							<th>Returns</th>
							<td>Returns the current instance.</td>
						</tr>
						<tr>
							<th>Example</th>
							<td>
								<pre class="php"><code>// prepare an insert statement
$query = DB::insert('users');

// Set the columns
$query->columns(array(
	'name'