> * @psalm-var array 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> * @psalm-var array */ 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; }