Code Coverage for /workspace/src/includes/libs/Rdbms/Database/Utils/GeneralizedSql.php

1	<?php
2	/**
3	* @license GPL-2.0-or-later
4	* @file
5	*/
6	namespace Wikimedia\Rdbms;
7
8	/**
9	* Lazy-loaded wrapper for simplification and scrubbing of SQL queries for profiling
10	*
11	* @since 1.34
12	* @ingroup Profiler
13	* @ingroup Database
14	*/
15	class GeneralizedSql {
16	/** @var string */
17	private $rawSql;
18	/** @var string */
19	private $prefix;
20
21	/** @var string\|null */
22	private $genericSql;
23
24	/**
25	* @param string $rawSql
26	* @param string $prefix
27	*/
28	public function __construct( $rawSql, $prefix ) {
29	$this->rawSql = $rawSql;
30	$this->prefix = $prefix;
31	}
32
33	/**
34	* @return string
35	*/
36	public function stringify() {
37	if ( $this->genericSql !== null ) {
38	return $this->genericSql;
39	}
40
41	$this->genericSql = $this->prefix .
42	substr( QueryBuilderFromRawSql::generalizeSQL( $this->rawSql ), 0, 255 );
43
44	return $this->genericSql;
45	}
46
47	/**
48	* @return string
49	*/
50	public function getRawSql() {
51	return $this->rawSql;
52	}
53
54	/**
55	* @param Query $query
56	* @param string $prefix
57	* @return self
58	*/
59	public static function newFromQuery( Query $query, $prefix ) {
60	$generalizedSql = new self( $query->getSQL(), $prefix );
61
62	$cleanedSql = $query->getCleanedSql();
63	if ( $cleanedSql != '' ) {
64	// Generalized SQL already provided; no need to use regexes
65	$generalizedSql->genericSql = $prefix . $cleanedSql;
66	}
67
68	return $generalizedSql;
69	}
70	}