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independent-analytics / vendor / illuminate / database / Connectors / MySqlConnector.php

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ConnectionFactory.php 1 month ago Connector.php 2 years ago ConnectorInterface.php 2 years ago MySqlConnector.php 2 years ago PostgresConnector.php 1 month ago SQLiteConnector.php 1 month ago SqlServerConnector.php 1 month ago

MySqlConnector.php

176 lines

1	<?php
2
3	namespace IAWPSCOPED\Illuminate\Database\Connectors;
4
5	use PDO;
6	/** @internal */
7	class MySqlConnector extends Connector implements ConnectorInterface
8	{
9	/**
10	* Establish a database connection.
11	*
12	* @param array $config
13	* @return \PDO
14	*/
15	public function connect(array $config)
16	{
17	$dsn = $this->getDsn($config);
18	$options = $this->getOptions($config);
19	// We need to grab the PDO options that should be used while making the brand
20	// new connection instance. The PDO options control various aspects of the
21	// connection's behavior, and some might be specified by the developers.
22	$connection = $this->createConnection($dsn, $config, $options);
23	if (!empty($config['database'])) {
24	$connection->exec("use `{$config['database']}`;");
25	}
26	$this->configureIsolationLevel($connection, $config);
27	$this->configureEncoding($connection, $config);
28	// Next, we will check to see if a timezone has been specified in this config
29	// and if it has we will issue a statement to modify the timezone with the
30	// database. Setting this DB timezone is an optional configuration item.
31	$this->configureTimezone($connection, $config);
32	$this->setModes($connection, $config);
33	return $connection;
34	}
35	/**
36	* Set the connection transaction isolation level.
37	*
38	* @param \PDO $connection
39	* @param array $config
40	* @return void
41	*/
42	protected function configureIsolationLevel($connection, array $config)
43	{
44	if (!isset($config['isolation_level'])) {
45	return;
46	}
47	$connection->prepare("SET SESSION TRANSACTION ISOLATION LEVEL {$config['isolation_level']}")->execute();
48	}
49	/**
50	* Set the connection character set and collation.
51	*
52	* @param \PDO $connection
53	* @param array $config
54	* @return void\|\PDO
55	*/
56	protected function configureEncoding($connection, array $config)
57	{
58	if (!isset($config['charset'])) {
59	return $connection;
60	}
61	$connection->prepare("set names '{$config['charset']}'" . $this->getCollation($config))->execute();
62	}
63	/**
64	* Get the collation for the configuration.
65	*
66	* @param array $config
67	* @return string
68	*/
69	protected function getCollation(array $config)
70	{
71	return isset($config['collation']) ? " collate '{$config['collation']}'" : '';
72	}
73	/**
74	* Set the timezone on the connection.
75	*
76	* @param \PDO $connection
77	* @param array $config
78	* @return void
79	*/
80	protected function configureTimezone($connection, array $config)
81	{
82	if (isset($config['timezone'])) {
83	$connection->prepare('set time_zone="' . $config['timezone'] . '"')->execute();
84	}
85	}
86	/**
87	* Create a DSN string from a configuration.
88	*
89	* Chooses socket or host/port based on the 'unix_socket' config value.
90	*
91	* @param array $config
92	* @return string
93	*/
94	protected function getDsn(array $config)
95	{
96	return $this->hasSocket($config) ? $this->getSocketDsn($config) : $this->getHostDsn($config);
97	}
98	/**
99	* Determine if the given configuration array has a UNIX socket value.
100	*
101	* @param array $config
102	* @return bool
103	*/
104	protected function hasSocket(array $config)
105	{
106	return isset($config['unix_socket']) && !empty($config['unix_socket']);
107	}
108	/**
109	* Get the DSN string for a socket configuration.
110	*
111	* @param array $config
112	* @return string
113	*/
114	protected function getSocketDsn(array $config)
115	{
116	return "mysql:unix_socket={$config['unix_socket']};dbname={$config['database']}";
117	}
118	/**
119	* Get the DSN string for a host / port configuration.
120	*
121	* @param array $config
122	* @return string
123	*/
124	protected function getHostDsn(array $config)
125	{
126	\extract($config, \EXTR_SKIP);
127	return isset($port) ? "mysql:host={$host};port={$port};dbname={$database}" : "mysql:host={$host};dbname={$database}";
128	}
129	/**
130	* Set the modes for the connection.
131	*
132	* @param \PDO $connection
133	* @param array $config
134	* @return void
135	*/
136	protected function setModes(PDO $connection, array $config)
137	{
138	if (isset($config['modes'])) {
139	$this->setCustomModes($connection, $config);
140	} elseif (isset($config['strict'])) {
141	if ($config['strict']) {
142	$connection->prepare($this->strictMode($connection, $config))->execute();
143	} else {
144	$connection->prepare("set session sql_mode='NO_ENGINE_SUBSTITUTION'")->execute();
145	}
146	}
147	}
148	/**
149	* Set the custom modes on the connection.
150	*
151	* @param \PDO $connection
152	* @param array $config
153	* @return void
154	*/
155	protected function setCustomModes(PDO $connection, array $config)
156	{
157	$modes = \implode(',', $config['modes']);
158	$connection->prepare("set session sql_mode='{$modes}'")->execute();
159	}
160	/**
161	* Get the query to enable strict mode.
162	*
163	* @param \PDO $connection
164	* @param array $config
165	* @return string
166	*/
167	protected function strictMode(PDO $connection, $config)
168	{
169	$version = $config['version'] ?? $connection->getAttribute(PDO::ATTR_SERVER_VERSION);
170	if (\version_compare($version, '8.0.11') >= 0) {
171	return "set session sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION'";
172	}
173	return "set session sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'";
174	}
175	}
176