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<?php /** * Transaction statement. */ declare(strict_types=1); namespace PhpMyAdmin\SqlParser\Statements; use PhpMyAdmin\SqlParser\Components\OptionsArray; use PhpMyAdmin\SqlParser\Parser; use PhpMyAdmin\SqlParser\Statement; use PhpMyAdmin\SqlParser\TokensList; /** * Transaction statement. */ class TransactionStatement extends Statement { /** * START TRANSACTION and BEGIN. */ public const TYPE_BEGIN = 1; /** * COMMIT and ROLLBACK. */ public const TYPE_END = 2; /** * The type of this query. * * @var int */ public $type; /** * The list of statements in this transaction. * * @var Statement[] */ public $statements; /** * The ending transaction statement which may be a `COMMIT` or a `ROLLBACK`. * * @var TransactionStatement */ public $end; /** * Options for this query. * * @var array */ public static $OPTIONS = [ 'START TRANSACTION' => 1, 'BEGIN' => 1, 'COMMIT' => 1, 'ROLLBACK' => 1, 'WITH CONSISTENT SNAPSHOT' => 2, 'WORK' => 2, 'AND NO CHAIN' => 3, 'AND CHAIN' => 3, 'RELEASE' => 4, 'NO RELEASE' => 4, ]; /** * @param Parser $parser the instance that requests parsing * @param TokensList $list the list of tokens to be parsed */ public function parse(Parser $parser, TokensList $list) { parent::parse($parser, $list); // Checks the type of this query. if ($this->options->has('START TRANSACTION') || $this->options->has('BEGIN') ) { $this->type = self::TYPE_BEGIN; } elseif ($this->options->has('COMMIT') || $this->options->has('ROLLBACK') ) { $this->type = self::TYPE_END; } } /** * @return string */ public function build() { $ret = OptionsArray::build($this->options); if ($this->type === self::TYPE_BEGIN) { foreach ($this->statements as $statement) { /* * @var SelectStatement $statement */ $ret .= ';' . $statement->build(); } $ret .= ';' . $this->end->build(); } return $ret; } }