Query/src/Drivers/Firebird/Util.php

127 lines
2.9 KiB
PHP

<?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\Firebird;
use PDO;
use Query\Drivers\AbstractUtil;
/**
* Firebird-specific backup, import and creation methods
*/
class Util extends AbstractUtil {
/**
* Convenience public function to generate sql for creating a db table
*
* @param string $name
* @param array $fields
* @param array $constraints
* @param bool $ifNotExists
* @return string
*/
public function createTable($name, $fields, array $constraints=[], $ifNotExists=FALSE)
{
return parent::createTable($name, $fields, $constraints, FALSE);
}
/**
* Drop the selected table
*
* @param string $name
* @return string
*/
public function deleteTable($name)
{
return 'DROP TABLE '.$this->getDriver()->quoteTable($name);
}
/**
* Create an SQL backup file for the current database's structure
*
* @return string
*/
public function backupStructure(/* @param string $dbPath, @param string $newFile */)
{
list($dbPath, $newFile) = func_get_args();
return ibase_backup($this->getDriver()->getService(), $dbPath, $newFile, \IBASE_BKP_METADATA_ONLY);
}
/**
* Create an SQL backup file for the current database's data
*
* @param array $exclude
* @param bool $systemTables
* @return string
*/
public function backupData($exclude=[], $systemTables=FALSE)
{
// Determine which tables to use
$tables = $this->getDriver()->getTables();
if($systemTables == TRUE)
{
$tables = array_merge($tables, $this->getDriver()->getSystemTables());
}
// Filter out the tables you don't want
if( ! empty($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;
}
// 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
if(stripos($t, 'RDB$') === FALSE)
{
$row = array_map([$this->getDriver(), 'quote'], $row);
$row = array_map('trim', $row);
}
$rowString = 'INSERT INTO "'.trim($t).'" ("'.implode('","', $columns).'") VALUES ('.implode(',', $row).');';
$row = NULL;
$insertRows[] = $rowString;
}
$outputSql .= "\n\nSET TRANSACTION;\n".implode("\n", $insertRows)."\nCOMMIT;";
}
return $outputSql;
}
}