<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Statements;
use PhpMyAdmin\SqlParser\Components\Expression;
use PhpMyAdmin\SqlParser\Statement;
/**
* `DROP` statement.
*/
class DropStatement extends Statement
{
/**
* Options of this statement.
*
* @var array<string, int|array<int, int|string>>
* @psalm-var array<string, (positive-int|array{positive-int, ('var'|'var='|'expr'|'expr=')})>
*/
public static $OPTIONS = [
'DATABASE' => 1,
'EVENT' => 1,
'FUNCTION' => 1,
'INDEX' => 1,
'LOGFILE' => 1,
'PROCEDURE' => 1,
'SCHEMA' => 1,
'SERVER' => 1,
'TABLE' => 1,
'VIEW' => 1,
'TABLESPACE' => 1,
'TRIGGER' => 1,
'USER' => 1,
'TEMPORARY' => 2,
'IF EXISTS' => 3,
];
/**
* The clauses of this statement, in order.
*
* @see Statement::$CLAUSES
*
* @var array<string, array<int, int|string>>
* @psalm-var array<string, array{non-empty-string, (1|2|3)}>
*/
public static $CLAUSES = [
'DROP' => [
'DROP',
2,
],
// Used for options.
'_OPTIONS' => [
'_OPTIONS',
1,
],
// Used for select expressions.
'DROP_' => [
'DROP',
1,
],
'ON' => [
'ON',
3,
],
];
/**
* Dropped elements.
*
* @var Expression[]|null
*/
public $fields;
/**
* Table of the dropped index.
*
* @var Expression|null
*/
public $table;
}