Source of file Util.php
Size: 2,612 Bytes - Last Modified: 2018-01-24T17:33:43+00:00
src/Drivers/Mysql/Util.php
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| <?php declare(strict_types=1); /** * Query * * SQL Query Builder / Database Abstraction Layer * * PHP version 7.1 * * @package Query * @author Timothy J. Warren <tim@timshomepage.net> * @copyright 2012 - 2018 Timothy J. Warren * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link https://git.timshomepage.net/aviat4ion/Query */namespace Query\Drivers\Mysql; use PDO; use Query\Drivers\AbstractUtil; /** * MySQL-specific backup, import and creation methods */class Util extends AbstractUtil { /** * Create an SQL backup file for the current database's structure * * @return string */public function backupStructure(): string { $string = []; // Get databases $dbs = $this->getDriver()->getDbs(); foreach($dbs as &$d) { // Skip built-in dbs // @codeCoverageIgnoreStart if ($d === 'mysql') { continue; } // @codeCoverageIgnoreEnd // Get the list of tables $tables = $this->getDriver()->driverQuery("SHOW TABLES FROM `{$d}`", TRUE); foreach($tables as $table) { $array = $this->getDriver()->driverQuery("SHOW CREATE TABLE `{$d}`.`{$table}`", FALSE); $row = current($array); if ( ! isset($row['Create Table'])) { continue; } $string[] = $row['Create Table']; } } return implode("\n\n", $string); } /** * Create an SQL backup file for the current database's data * * @param array $exclude * @return string */public function backupData($exclude=[]): string { $tables = $this->getDriver()->getTables(); // Filter out the tables you don't want if( ! empty($exclude)) { $tables = array_diff($tables, $exclude); } $outputSql = ''; // Select the rows from each Table foreach($tables as $t) { $sql = "SELECT * FROM `{$t}`"; $res = $this->getDriver()->query($sql); $rows = $res->fetchAll(PDO::FETCH_ASSOC); // Skip empty tables if (count($rows) < 1) { continue; } // Nab the column names by getting the keys of the first row $columns = @array_keys($rows[0]); $insertRows = []; // Create the insert statements foreach($rows as $row) { $row = array_values($row); // Workaround for Quercus foreach($row as &$r) { $r = $this->getDriver()->quote($r); } $row = array_map('trim', $row); $rowString = 'INSERT INTO `'.trim($t).'` (`'.implode('`,`', $columns).'`) VALUES ('.implode(',', $row).');'; $row = NULL; $insertRows[] = $rowString; } $outputSql .= "\n\n".implode("\n", $insertRows)."\n"; } return $outputSql; } } |