sequence.php

<?php
namespace Bitrix\Perfmon\Sql;
 
class Sequence extends BaseObject
{
    public static function create(Tokenizer $tokenizer)
    {
        $name = $tokenizer->getCurrentToken()->text;
        $sequence = new self($name);
 
        $tokenizer->resetState();
        $definition = '';
        while (!$tokenizer->endOfInput())
        {
            $definition .= $tokenizer->getCurrentToken()->text;
            $tokenizer->nextToken();
        }
 
        $sequence->setBody($definition);
 
        return $sequence;
    }
 
    public function getCreateDdl($dbType = '')
    {
        if ($dbType === 'ORACLE')
        {
            return $this->body;
        }
        else
        {
            return '// ' . get_class($this) . ':getDropDdl for database type [' . $dbType . '] not implemented';
        }
    }
 
    public function getDropDdl($dbType = '')
    {
        if ($dbType === 'ORACLE')
        {
            return 'DROP SEQUENCE ' . $this->name;
        }
        else
        {
            return '// ' . get_class($this) . ':getDropDdl for database type [' . $dbType . '] not implemented';
        }
    }
 
    public function getModifyDdl(BaseObject $target, $dbType = '')
    {
        if ($dbType === 'ORACLE')
        {
            return [
                $this->getDropDdl($dbType),
                $target->getCreateDdl($dbType),
            ];
        }
        else
        {
            return '// ' . get_class($this) . ':getDropDdl for database type [' . $dbType . '] not implemented';
        }
    }
}