95 lines
2.0 KiB
Plaintext
95 lines
2.0 KiB
Plaintext
<?php declare(strict_types=1);
|
|
/**
|
|
* Query
|
|
*
|
|
* SQL Query Builder / Database Abstraction Layer
|
|
*
|
|
* PHP version 8.1
|
|
*
|
|
* @package Query
|
|
* @author Timothy J. Warren <tim@timshome.page>
|
|
* @copyright 2012 - 2023 Timothy J. Warren
|
|
* @license http://www.opensource.org/licenses/mit-license.html MIT License
|
|
* @link https://git.timshomepage.net/aviat/Query
|
|
* @version 4.1.0
|
|
*/
|
|
|
|
namespace Query\Drivers\Pgsql;
|
|
|
|
use PDO;
|
|
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
|
|
*/
|
|
public function backupStructure(): string
|
|
{
|
|
// @TODO Implement Backup function
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Create an SQL backup file for the current database's data
|
|
*/
|
|
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((string) $t) . '"';
|
|
$res = $this->getDriver()->query($sql);
|
|
$objRes = $res->fetchAll(PDO::FETCH_ASSOC);
|
|
|
|
// Don't add to the file if the table is empty
|
|
if ((is_countable($objRes) ? count($objRes) : 0) < 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((string) $t) . '" ("' . implode('","', $columns) . '") VALUES (' . implode(',', $row) . ');';
|
|
|
|
$row = NULL;
|
|
|
|
$insertRows[] = $rowString;
|
|
}
|
|
|
|
$objRes = NULL;
|
|
|
|
$outputSql .= "\n\n" . implode("\n", $insertRows) . "\n";
|
|
}
|
|
|
|
return $outputSql;
|
|
}
|
|
}
|