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<?php
/*
* $Id: Interface.php 7490 2010-03-29 19:53:27Z jwage $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
/**
* Interface for Doctrine adapter statements
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @package Doctrine
* @subpackage Adapter
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 7490 $
*/
interface Doctrine_Adapter_Statement_Interface
{
/**
* Bind a column to a PHP variable
*
* @param mixed $column Number of the column (1-indexed) or name of the column in the result set.
* If using the column name, be aware that the name should match
* the case of the column, as returned by the driver.
* @param string $param Name of the PHP variable to which the column will be bound.
* @param integer $type Data type of the parameter, specified by the Doctrine_Core::PARAM_* constants.
* @return boolean Returns TRUE on success or FALSE on failure
*/
public function bindColumn($column, $param, $type = null);
/**
* Binds a value to a corresponding named or question mark
* placeholder in the SQL statement that was use to prepare the statement.
*
* @param mixed $param Parameter identifier. For a prepared statement using named placeholders,
* this will be a parameter name of the form :name. For a prepared statement
* using question mark placeholders, this will be the 1-indexed position of the parameter
*
* @param mixed $value The value to bind to the parameter.
* @param integer $type Explicit data type for the parameter using the Doctrine_Core::PARAM_* constants.
*
* @return boolean Returns TRUE on success or FALSE on failure.
*/
public function bindValue($param, $value, $type = null);
/**
* Binds a PHP variable to a corresponding named or question mark placeholder in the
* SQL statement that was use to prepare the statement. Unlike Doctrine_Adapter_Statement_Interface->bindValue(),
* the variable is bound as a reference and will only be evaluated at the time
* that Doctrine_Adapter_Statement_Interface->execute() is called.
*
* Most parameters are input parameters, that is, parameters that are
* used in a read-only fashion to build up the query. Some drivers support the invocation
* of stored procedures that return data as output parameters, and some also as input/output
* parameters that both send in data and are updated to receive it.
*
* @param mixed $param Parameter identifier. For a prepared statement using named placeholders,
* this will be a parameter name of the form :name. For a prepared statement
* using question mark placeholders, this will be the 1-indexed position of the parameter
*
* @param mixed $variable Name of the PHP variable to bind to the SQL statement parameter.
*
* @param integer $type Explicit data type for the parameter using the Doctrine_Core::PARAM_* constants. To return
* an INOUT parameter from a stored procedure, use the bitwise OR operator to set the
* Doctrine_Core::PARAM_INPUT_OUTPUT bits for the data_type parameter.
*
* @param integer $length Length of the data type. To indicate that a parameter is an OUT parameter
* from a stored procedure, you must explicitly set the length.
* @param mixed $driverOptions
* @return boolean Returns TRUE on success or FALSE on failure.
*/
public function bindParam($column, &$variable, $type = null, $length = null, $driverOptions = array());
/**
* Closes the cursor, enabling the statement to be executed again.
*
* @return boolean Returns TRUE on success or FALSE on failure.
*/
public function closeCursor();
/**
* Returns the number of columns in the result set
*
* @return integer Returns the number of columns in the result set represented
* by the Doctrine_Adapter_Statement_Interface object. If there is no result set,
* this method should return 0.
*/
public function columnCount();
/**
* Fetch the SQLSTATE associated with the last operation on the statement handle
*
* @see Doctrine_Adapter_Interface::errorCode()
* @return string error code string
*/
public function errorCode();
/**
* Fetch extended error information associated with the last operation on the statement handle
*
* @see Doctrine_Adapter_Interface::errorInfo()
* @return array error info array
*/
public function errorInfo();
/**
* Executes a prepared statement
*
* If the prepared statement included parameter markers, you must either:
* call PDOStatement->bindParam() to bind PHP variables to the parameter markers:
* bound variables pass their value as input and receive the output value,
* if any, of their associated parameter markers or pass an array of input-only
* parameter values
*
*
* @param array $params An array of values with as many elements as there are
* bound parameters in the SQL statement being executed.
* @return boolean Returns TRUE on success or FALSE on failure.
*/
public function execute($params = null);
/**
* fetch
*
* @see Doctrine_Core::FETCH_* constants
* @param integer $fetchStyle Controls how the next row will be returned to the caller.
* This value must be one of the Doctrine_Core::FETCH_* constants,
* defaulting to Doctrine_Core::FETCH_BOTH
*
* @param integer $cursorOrientation For a PDOStatement object representing a scrollable cursor,
* this value determines which row will be returned to the caller.
* This value must be one of the Doctrine_Core::FETCH_ORI_* constants, defaulting to
* Doctrine_Core::FETCH_ORI_NEXT. To request a scrollable cursor for your
* Doctrine_Adapter_Statement_Interface object,
* you must set the Doctrine_Core::ATTR_CURSOR attribute to Doctrine_Core::CURSOR_SCROLL when you
* prepare the SQL statement with Doctrine_Adapter_Interface->prepare().
*
* @param integer $cursorOffset For a Doctrine_Adapter_Statement_Interface object representing a scrollable cursor for which the
* $cursorOrientation parameter is set to Doctrine_Core::FETCH_ORI_ABS, this value specifies
* the absolute number of the row in the result set that shall be fetched.
*
* For a Doctrine_Adapter_Statement_Interface object representing a scrollable cursor for
* which the $cursorOrientation parameter is set to Doctrine_Core::FETCH_ORI_REL, this value
* specifies the row to fetch relative to the cursor position before
* Doctrine_Adapter_Statement_Interface->fetch() was called.
*
* @return mixed
*/
public function fetch($fetchStyle = Doctrine_Core::FETCH_BOTH,
$cursorOrientation = Doctrine_Core::FETCH_ORI_NEXT,
$cursorOffset = null);
/**
* Returns an array containing all of the result set rows
*
* @param integer $fetchStyle Controls how the next row will be returned to the caller.
* This value must be one of the Doctrine_Core::FETCH_* constants,
* defaulting to Doctrine_Core::FETCH_BOTH
*
* @param integer $columnIndex Returns the indicated 0-indexed column when the value of $fetchStyle is
* Doctrine_Core::FETCH_COLUMN. Defaults to 0.
*
* @return array
*/
public function fetchAll($fetchStyle = Doctrine_Core::FETCH_BOTH);
/**
* Returns a single column from the next row of a
* result set or FALSE if there are no more rows.
*
* @param integer $columnIndex 0-indexed number of the column you wish to retrieve from the row. If no
* value is supplied, Doctrine_Adapter_Statement_Interface->fetchColumn()
* fetches the first column.
*
* @return string returns a single column in the next row of a result set.
*/
public function fetchColumn($columnIndex = 0);
/**
* Fetches the next row and returns it as an object.
*
* Fetches the next row and returns it as an object. This function is an alternative to
* Doctrine_Adapter_Statement_Interface->fetch() with Doctrine_Core::FETCH_CLASS or Doctrine_Core::FETCH_OBJ style.
*
* @param string $className Name of the created class, defaults to stdClass.
* @param array $args Elements of this array are passed to the constructor.
*
* @return mixed an instance of the required class with property names that correspond
* to the column names or FALSE in case of an error.
*/
public function fetchObject($className = 'stdClass', $args = array());
/**
* Retrieve a statement attribute
*
* @param integer $attribute
* @see Doctrine_Core::ATTR_* constants
* @return mixed the attribute value
*/
public function getAttribute($attribute);
/**
* Returns metadata for a column in a result set
*
* @param integer $column The 0-indexed column in the result set.
*
* @return array Associative meta data array with the following structure:
*
* native_type The PHP native type used to represent the column value.
* driver:decl_ type The SQL type used to represent the column value in the database. If the column in the result set is the result of a function, this value is not returned by PDOStatement->getColumnMeta().
* flags Any flags set for this column.
* name The name of this column as returned by the database.
* len The length of this column. Normally -1 for types other than floating point decimals.
* precision The numeric precision of this column. Normally 0 for types other than floating point decimals.
* pdo_type The type of this column as represented by the PDO::PARAM_* constants.
*/
public function getColumnMeta($column);
/**
* Advances to the next rowset in a multi-rowset statement handle
*
* Some database servers support stored procedures that return more than one rowset
* (also known as a result set). The nextRowset() method enables you to access the second
* and subsequent rowsets associated with a PDOStatement object. Each rowset can have a
* different set of columns from the preceding rowset.
*
* @return boolean Returns TRUE on success or FALSE on failure.
*/
public function nextRowset();
/**
* rowCount() returns the number of rows affected by the last DELETE, INSERT, or UPDATE statement
* executed by the corresponding object.
*
* If the last SQL statement executed by the associated Statement object was a SELECT statement,
* some databases may return the number of rows returned by that statement. However,
* this behaviour is not guaranteed for all databases and should not be
* relied on for portable applications.
*
* @return integer Returns the number of rows.
*/
public function rowCount();
/**
* Set a statement attribute
*
* @param integer $attribute
* @param mixed $value the value of given attribute
* @return boolean Returns TRUE on success or FALSE on failure.
*/
public function setAttribute($attribute, $value);
/**
* Set the default fetch mode for this statement
*
* @param integer $mode The fetch mode must be one of the Doctrine_Core::FETCH_* constants.
* @return boolean Returns 1 on success or FALSE on failure.
*/
public function setFetchMode($mode, $arg1 = null, $arg2 = null);
}
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