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<?php
namespace Doctrine\DBAL\Driver;
use PDO;
use Traversable;
/**
* Interface for the reading part of a prepare statement only.
*/
interface ResultStatement extends Traversable
{
/**
* Closes the cursor, enabling the statement to be executed again.
*
* @deprecated Use Result::free() instead.
*
* @return bool TRUE on success or FALSE on failure.
*/
public function closeCursor();
/**
* Returns the number of columns in the result set
*
* @return int The number of columns in the result set represented
* by the PDOStatement object. If there is no result set,
* this method should return 0.
*/
public function columnCount();
/**
* Sets the fetch mode to use while iterating this statement.
*
* @deprecated Use one of the fetch- or iterate-related methods.
*
* @param int $fetchMode The fetch mode must be one of the {@link FetchMode} constants.
* @param mixed $arg2
* @param mixed $arg3
*
* @return bool
*/
public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null);
/**
* Returns the next row of a result set.
*
* @deprecated Use fetchNumeric(), fetchAssociative() or fetchOne() instead.
*
* @param int|null $fetchMode Controls how the next row will be returned to the caller.
* The value must be one of the {@link FetchMode} constants,
* defaulting to {@link FetchMode::MIXED}.
* @param int $cursorOrientation For a ResultStatement object representing a scrollable cursor,
* this value determines which row will be returned to the caller.
* This value must be one of the \PDO::FETCH_ORI_* constants,
* defaulting to \PDO::FETCH_ORI_NEXT. To request a scrollable
* cursor for your ResultStatement object, you must set the \PDO::ATTR_CURSOR
* attribute to \PDO::CURSOR_SCROLL when you prepare the SQL statement with
* \PDO::prepare().
* @param int $cursorOffset For a ResultStatement object representing a scrollable cursor for which the
* cursorOrientation parameter is set to \PDO::FETCH_ORI_ABS, this value
* specifies the absolute number of the row in the result set that shall be
* fetched.
* For a ResultStatement object representing a scrollable cursor for which the
* cursorOrientation parameter is set to \PDO::FETCH_ORI_REL, this value
* specifies the row to fetch relative to the cursor position before
* ResultStatement::fetch() was called.
*
* @return mixed The return value of this method on success depends on the fetch mode. In all cases, FALSE is
* returned on failure.
*/
public function fetch($fetchMode = null, $cursorOrientation = PDO::FETCH_ORI_NEXT, $cursorOffset = 0);
/**
* Returns an array containing all of the result set rows.
*
* @deprecated Use fetchAllNumeric(), fetchAllAssociative() or fetchFirstColumn() instead.
*
* @param int|null $fetchMode Controls how the next row will be returned to the caller.
* The value must be one of the {@link FetchMode} constants,
* defaulting to {@link FetchMode::MIXED}.
* @param int|null $fetchArgument This argument has a different meaning depending on the value
* of the $fetchMode parameter:
* * {@link FetchMode::COLUMN}:
* Returns the indicated 0-indexed column.
* * {@link FetchMode::CUSTOM_OBJECT}:
* Returns instances of the specified class, mapping the columns of each row
* to named properties in the class.
* * {@link PDO::FETCH_FUNC}: Returns the results of calling
* the specified function, using each row's
* columns as parameters in the call.
* @param mixed[]|null $ctorArgs Controls how the next row will be returned to the caller.
* The value must be one of the {@link FetchMode} constants,
* defaulting to {@link FetchMode::MIXED}.
*
* @return mixed[]
*/
public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null);
/**
* Returns a single column from the next row of a result set or FALSE if there are no more rows.
*
* @deprecated Use fetchOne() instead.
*
* @param int $columnIndex 0-indexed number of the column you wish to retrieve from the row.
* If no value is supplied, fetches the first column.
*
* @return mixed|false A single column in the next row of a result set, or FALSE if there are no more rows.
*/
public function fetchColumn($columnIndex = 0);
}