Code Coverage for /workspace/src/includes/libs/Rdbms/Database/ResultWrapper/SqliteResultWrapper.php

1	<?php
2
3	namespace Wikimedia\Rdbms;
4
5	use PDO;
6	use PDOStatement;
7
8	class SqliteResultWrapper extends ResultWrapper {
9	/** @var PDOStatement\|null */
10	private $result;
11	/** @var array\|null */
12	private $rows;
13
14	/**
15	* @internal
16	* @param PDOStatement $result
17	*/
18	public function __construct( PDOStatement $result ) {
19	$this->result = $result;
20	// SQLite doesn't allow buffered results or data seeking etc, so we'll
21	// use fetchAll. PDO has PDO::CURSOR_SCROLL but the SQLite C API doesn't
22	// support it, so the driver raises an error if it is used.
23	$this->rows = $result->fetchAll( PDO::FETCH_OBJ );
24	}
25
26	/** @inheritDoc */
27	protected function doNumRows() {
28	return count( $this->rows );
29	}
30
31	/** @inheritDoc */
32	protected function doFetchObject() {
33	return $this->rows[$this->currentPos] ?? false;
34	}
35
36	/** @inheritDoc */
37	protected function doFetchRow() {
38	$obj = $this->doFetchObject();
39	if ( is_object( $obj ) ) {
40	$i = 0;
41	$row = get_object_vars( $obj );
42	foreach ( $row as $value ) {
43	$row[$i++] = $value;
44	}
45	return $row;
46	} else {
47	return $obj;
48	}
49	}
50
51	/** @inheritDoc */
52	protected function doSeek( $pos ) {
53	// Nothing to do -- parent updates $this->currentPos
54	}
55
56	/** @inheritDoc */
57	protected function doFree() {
58	$this->rows = null;
59	$this->result = null;
60	}
61
62	/** @inheritDoc */
63	protected function doGetFieldNames() {
64	if ( $this->rows ) {
65	return array_keys( get_object_vars( $this->rows[0] ) );
66	} else {
67	return [];
68	}
69	}
70	}