Source of file Util.php
Size: 2,077 Bytes - Last Modified: 2018-01-25T14:51:55+00:00
src/Drivers/Pgsql/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\Pgsql; use Query\Drivers\AbstractUtil; /** * Postgres-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 { // @TODO Implement Backup function return ''; } /** * Create an SQL backup file for the current database's data * * @param array $exclude * @return string */ public function backupData(array $exclude=[]): string { $tables = $this->getDriver()->getTables(); // Filter out the tables you don't want if( ! empty($exclude)) { $tables = array_diff($tables, $exclude); } $outputSql = ''; // Get the data for each object foreach($tables as $t) { $sql = 'SELECT * FROM "'.trim($t).'"'; $res = $this->getDriver()->query($sql); $objRes = $res->fetchAll(\PDO::FETCH_ASSOC); // Don't add to the file if the table is empty if (count($objRes) < 1) { continue; } $res = NULL; // Nab the column names by getting the keys of the first row $columns = @array_keys($objRes[0]); $insertRows = []; // Create the insert statements foreach($objRes as $row) { $row = array_values($row); // Quote values as needed by type $row = array_map([$this->getDriver(), 'quote'], $row); $row = array_map('trim', $row); $rowString = 'INSERT INTO "'.trim($t).'" ("'.implode('","', $columns).'") VALUES ('.implode(',', $row).');'; $row = NULL; $insertRows[] = $rowString; } $objRes = NULL; $outputSql .= "\n\n".implode("\n", $insertRows)."\n"; } return $outputSql; } } |