Merge pull request #47 from kamermans/mysql_enhanced
MySQL import file feature
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commit
78ff184d54
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@ -14,11 +14,16 @@ use PDO;
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/**
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* MySQL Plugin - Provides access to a MySQL database.
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* @author Dan Cryer <dan@block8.co.uk>
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* @author Steve Kamerman <stevekamerman@gmail.com>
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* @package PHPCI
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* @subpackage Plugins
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*/
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class Mysql implements \PHPCI\Plugin
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{
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/**
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* @var \PHPCI\Builder
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*/
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protected $phpci;
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protected $queries = array();
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@ -26,6 +31,12 @@ class Mysql implements \PHPCI\Plugin
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protected $user;
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protected $pass;
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/**
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* Database Connection
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* @var PDO
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*/
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protected $pdo;
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public function __construct(\PHPCI\Builder $phpci, array $options = array())
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{
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$this->phpci = $phpci;
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@ -51,18 +62,75 @@ class Mysql implements \PHPCI\Plugin
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*/
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public function execute()
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{
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$success = true;
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try {
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$opts = array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION);
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$pdo = new PDO('mysql:host=' . $this->host, $this->user, $this->pass, $opts);
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$this->pdo = new PDO('mysql:host=' . $this->host, $this->user, $this->pass, $opts);
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foreach ($this->queries as $query) {
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$pdo->query($query);
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if (!is_array($query)) {
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// Simple query
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$this->pdo->query($query);
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} else if (isset($query['import'])) {
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// SQL file execution
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$this->executeFile($query['import']);
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}
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}
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} catch (\Exception $ex) {
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$this->phpci->logFailure($ex->getMessage());
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return false;
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}
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return $success;
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}
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protected function executeFile($query)
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{
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if (!isset($query['file'])) {
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throw new \Exception("Import statement must contiain an 'file' key");
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}
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$import_file = $this->phpci->buildPath . $query['file'];
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if (!is_readable($import_file)) {
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throw new \Exception("Cannot open SQL import file: $import_file");
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}
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$database = isset($query['database'])? $query['database']: null;
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$import_command = $this->getImportCommand($import_file, $database);
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if (!$this->phpci->executeCommand($import_command)) {
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throw new \Exception("Unable to execute SQL file");
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}
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return true;
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}
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/**
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* Builds the MySQL import command required to import/execute the specified file
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* @param string $import_file Path to file, relative to the build root
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* @param string $database If specified, this database is selected before execution
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* @return string
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*/
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protected function getImportCommand($import_file, $database=null) {
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$decompression = array(
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'bz2' => '| bzip2 --decompress',
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'gz' => '| gzip --decompress',
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);
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$extension = strtolower(pathinfo($import_file, PATHINFO_EXTENSION));
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$decomp_cmd = '';
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if (array_key_exists($extension, $decompression)) {
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$decomp_cmd = $decompression[$extension];
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}
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$args = array(
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':import_file' => escapeshellarg($import_file),
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':decomp_cmd' => $decomp_cmd,
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':user' => escapeshellarg($this->user),
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':pass' => escapeshellarg($this->pass),
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':database' => ($database === null)? '': escapeshellarg($database),
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);
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return strtr('cat :import_file :decomp_cmd | mysql -u:user -p:pass :database', $args);
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}
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}
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