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<?php |
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namespace Graze\Morphism\Command; |
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use Exception; |
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use Graze\Morphism\Parse\TokenStream; |
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use Graze\Morphism\Parse\MysqlDump; |
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use Graze\Morphism\Extractor; |
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use Graze\Morphism\Config; |
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use RuntimeException; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class Fastdump extends Command |
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{ |
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const COMMAND_NAME = 'dump'; |
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// Command line arguments |
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const ARGUMENT_CONFIG_FILE = 'config-file'; |
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const ARGUMENT_CONNECTIONS = 'connections'; |
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// Command line options |
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const OPTION_QUOTE_NAMES = 'quote-names'; |
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const OPTION_NO_QUOTE_NAMES = 'no-quote-names'; |
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const OPTION_WRITE = 'write'; |
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const OPTION_NO_WRITE = 'no-write'; |
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/** @var bool */ |
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private $quoteNames = true; |
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/** @var string|null */ |
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private $configFile = null; |
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/** @var bool */ |
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private $write = false; |
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/** @var array */ |
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private $connectionNames = []; |
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protected function configure() |
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{ |
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$this->setName(self::COMMAND_NAME); |
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$helpText = sprintf( |
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"Usage: %s [OPTIONS] CONFIG-FILE [CONN ...]\n" . |
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"Dumps database schemas for named connections. This tool is considerably faster\n" . |
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"than mysqldump, especially for large schemas. You might use this tool to\n" . |
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"(re-)initalise your project's schema directory from a local database.\n" . |
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"If no connections are specified, all connections\n" . |
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"in the config with 'morphism: enable: true' will be used.\n" . |
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"\n" . |
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"OPTIONS\n" . |
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" -h, -help, --help display this message, and exit\n" . |
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" --[no-]quote-names [do not] quote names with `...`; default: yes\n" . |
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" --[no-]write write schema files to schema path; default: no\n" . |
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"\n" . |
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"CONFIG-FILE\n" . |
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"A YAML file mapping connection names to parameters. See the morphism project's\n" . |
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"README.md file for detailed information.\n" . |
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"", |
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self::COMMAND_NAME |
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); |
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$this->setHelp($helpText); |
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$this->setDescription("Dump database schema for a named database connection"); |
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$this->addArgument( |
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self::ARGUMENT_CONFIG_FILE, |
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InputArgument::REQUIRED |
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); |
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$this->addArgument( |
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self::ARGUMENT_CONNECTIONS, |
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InputArgument::OPTIONAL | InputArgument::IS_ARRAY, |
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'', |
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[] |
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); |
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$this->addOption(self::OPTION_QUOTE_NAMES); |
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$this->addOption(self::OPTION_NO_QUOTE_NAMES); |
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$this->addOption(self::OPTION_WRITE); |
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$this->addOption(self::OPTION_NO_WRITE); |
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} |
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/** |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* @throws Exception |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$this->configFile = $input->getArgument(self::ARGUMENT_CONFIG_FILE); |
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$this->connectionNames = $input->getArgument(self::ARGUMENT_CONNECTIONS); |
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if ($input->getOption(self::OPTION_QUOTE_NAMES)) { |
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$this->quoteNames = false; |
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} |
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if ($input->getOption(self::OPTION_WRITE)) { |
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$this->write = true; |
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} |
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$config = new Config($this->configFile); |
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$config->parse(); |
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if (!$this->connectionNames) { |
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$this->connectionNames = $config->getConnectionNames(); |
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} |
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foreach ($this->connectionNames as $connectionName) { |
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$connection = $config->getConnection($connectionName); |
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$entry = $config->getEntry($connectionName); |
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$dbName = $entry['connection']['dbname']; |
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$matchTables = $entry['morphism']['matchTables']; |
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$schemaDefinitionPaths = $entry['morphism']['schemaDefinitionPath']; |
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if (!$this->write) { |
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$output->writeln('<info>'); |
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$output->writeln("/********* Connection: $connectionName Database: $dbName *********/"); |
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$output->writeln('</info>'); |
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} |
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$extractor = new Extractor($connection); |
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$extractor->setDatabases([$dbName]); |
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$extractor->setCreateDatabases(false); |
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$extractor->setQuoteNames($this->quoteNames); |
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$text = ''; |
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foreach ($extractor->extract() as $query) { |
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$text .= "$query;\n"; |
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} |
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$stream = TokenStream::newFromText($text, ''); |
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$dump = new MysqlDump(); |
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try { |
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$dump->parse($stream, ['matchTables' => $matchTables]); |
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} catch (RuntimeException $e) { |
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throw new RuntimeException($stream->contextualise($e->getMessage())); |
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} catch (Exception $e) { |
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throw new Exception($e->getMessage() . "\n\n" . $e->getTraceAsString()); |
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} |
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if ($this->write) { |
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// Ensure the schema directories to write to exist |
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foreach ($schemaDefinitionPaths as $schemaPath) { |
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if (!is_dir($schemaPath)) { |
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if (!@mkdir($schemaPath, 0755, true)) { |
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throw new RuntimeException("Could not make directory $schemaPath"); |
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} |
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} |
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} |
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$database = reset($dump->databases); |
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foreach ($database->tables as $table) { |
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// Find any existing schema file. If it doesn't exist, use the first schema path. |
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$path = null; |
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foreach ($schemaDefinitionPaths as $schemaPath) { |
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$possiblePath = sprintf('%s/%s.sql', $schemaPath, $table->getName()); |
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if (file_exists($possiblePath)) { |
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$path = $possiblePath; |
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break; |
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} |
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} |
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if (!$path) { |
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$path = sprintf('%s/%s.sql', $schemaDefinitionPaths[0], $table->getName()); |
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} |
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$text = ''; |
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foreach ($table->getDDL() as $query) { |
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$text .= "$query;\n\n"; |
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} |
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if (false === @file_put_contents($path, $text)) { |
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throw new RuntimeException("Could not write $path"); |
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} |
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fprintf(STDERR, "wrote $path\n"); |
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} |
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} else { |
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foreach ($dump->getDDL() as $query) { |
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$output->writeln("$query;\n"); |
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} |
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} |
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} |
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} |
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} |
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graze /
morphism
