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619
libraries/vendor/joomla/database/src/DatabaseInterface.php
vendored
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619
libraries/vendor/joomla/database/src/DatabaseInterface.php
vendored
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<?php
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/**
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* Part of the Joomla Framework Database Package
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*
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* @copyright Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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namespace Joomla\Database;
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/**
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* Joomla Framework Database Interface
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*
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* @since 1.0
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*/
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interface DatabaseInterface
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{
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/**
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* Connects to the database if needed.
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*
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* @return void
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function connect();
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/**
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* Determines if the connection to the server is active.
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*
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* @return boolean
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*
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* @since 2.0.0
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*/
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public function connected();
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/**
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* Create a new database using information from $options object.
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*
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* @param \stdClass $options Object used to pass user and database name to database driver. This object must have "db_name" and "db_user" set.
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* @param boolean $utf True if the database supports the UTF-8 character set.
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*
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* @return boolean|resource
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function createDatabase($options, $utf = true);
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/**
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* Replace special placeholder representing binary field with the original string.
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*
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* @param string|resource $data Encoded string or resource.
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*
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* @return string The original string.
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*
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* @since 1.7.0
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*/
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public function decodeBinary($data);
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/**
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* Disconnects the database.
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*
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* @return void
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*
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* @since 2.0.0
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*/
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public function disconnect();
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/**
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* Drops a table from the database.
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*
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* @param string $table The name of the database table to drop.
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* @param boolean $ifExists Optionally specify that the table must exist before it is dropped.
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*
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* @return $this
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function dropTable($table, $ifExists = true);
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/**
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* Escapes a string for usage in an SQL statement.
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*
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* @param string $text The string to be escaped.
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* @param boolean $extra Optional parameter to provide extra escaping.
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*
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* @return string The escaped string.
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*
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* @since 2.0.0
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*/
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public function escape($text, $extra = false);
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/**
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* Execute the SQL statement.
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*
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* @return boolean
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function execute();
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/**
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* Get the number of affected rows for the previous executed SQL statement.
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*
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* @return integer
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*
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* @since 2.0.0
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*/
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public function getAffectedRows();
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/**
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* Method to get the database collation in use by sampling a text field of a table in the database.
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*
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* @return string|boolean The collation in use by the database or boolean false if not supported.
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*
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* @since 2.0.0
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*/
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public function getCollation();
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/**
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* Method that provides access to the underlying database connection.
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*
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* @return resource The underlying database connection resource.
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*
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* @since 2.0.0
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*/
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public function getConnection();
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/**
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* Method to get the database connection collation, as reported by the driver.
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*
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* If the connector doesn't support reporting this value please return an empty string.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getConnectionCollation();
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/**
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* Method to get the database encryption details (cipher and protocol) in use.
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*
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* @return string The database encryption details.
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*
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* @since 2.0.0
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*/
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public function getConnectionEncryption(): string;
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/**
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* Method to test if the database TLS connections encryption are supported.
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*
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* @return boolean Whether the database supports TLS connections encryption.
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*
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* @since 2.0.0
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*/
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public function isConnectionEncryptionSupported(): bool;
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/**
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* Method to check whether the installed database version is supported by the database driver
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*
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* @return boolean True if the database version is supported
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*
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* @since 2.0.0
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*/
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public function isMinimumVersion();
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/**
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* Get the total number of SQL statements executed by the database driver.
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*
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* @return integer
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*
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* @since 2.0.0
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*/
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public function getCount();
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/**
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* Returns a PHP date() function compliant date format for the database driver.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getDateFormat();
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/**
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* Get the minimum supported database version.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getMinimum();
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/**
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* Get the name of the database driver.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getName();
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/**
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* Get the null or zero representation of a timestamp for the database driver.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getNullDate();
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/**
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* Get the common table prefix for the database driver.
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*
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* @return string The common database table prefix.
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*
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* @since 3.0
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*/
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public function getPrefix();
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/**
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* Get the number of returned rows for the previous executed SQL statement.
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*
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* @return integer
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*
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* @since 2.0.0
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*/
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public function getNumRows();
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/**
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* Get the current query object or a new QueryInterface object.
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*
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* @param boolean $new False to return the current query object, True to return a new QueryInterface object.
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*
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* @return QueryInterface
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function getQuery($new = false);
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/**
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* Get the server family type.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getServerType();
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/**
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* Retrieves field information about the given tables.
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*
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* @param string $table The name of the database table.
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* @param boolean $typeOnly True (default) to only return field types.
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*
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* @return array
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function getTableColumns($table, $typeOnly = true);
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/**
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* Retrieves field information about the given tables.
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*
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* @param mixed $tables A table name or a list of table names.
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*
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* @return array
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function getTableKeys($tables);
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/**
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* Method to get an array of all tables in the database.
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*
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* @return array
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*
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* @since 2.0.0
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* @throws \RuntimeException
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*/
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public function getTableList();
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/**
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* Get the version of the database connector.
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*
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* @return string
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*
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* @since 2.0.0
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*/
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public function getVersion();
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/**
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* Determine whether or not the database engine supports UTF-8 character encoding.
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*
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* @return boolean True if the database engine supports UTF-8 character encoding.
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*
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* @since 2.0.0
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*/
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public function hasUtfSupport();
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/**
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* Method to get the auto-incremented value from the last INSERT statement.
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*
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* @return mixed The value of the auto-increment field from the last inserted row.
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*
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* @since 2.0.0
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*/
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public function insertid();
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/**
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* Inserts a row into a table based on an object's properties.
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*
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* @param string $table The name of the database table to insert into.
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* @param object $object A reference to an object whose public properties match the table fields.
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* @param string $key The name of the primary key. If provided the object property is updated.
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*
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* @return boolean
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*
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||||
* @since 2.0.0
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||||
* @throws \RuntimeException
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*/
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public function insertObject($table, &$object, $key = null);
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/**
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* Test to see if the connector is available.
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*
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* @return boolean
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*
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* @since 1.0
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*/
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public static function isSupported();
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/**
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* Method to get the first row of the result set from the database query as an associative array of ['field_name' => 'row_value'].
|
||||
*
|
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* @return mixed The return value or null if the query failed.
|
||||
*
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||||
* @since 2.0.0
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||||
* @throws \RuntimeException
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*/
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public function loadAssoc();
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/**
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* Method to get an array of the result set rows from the database query where each row is an associative array
|
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* of ['field_name' => 'row_value']. The array of rows can optionally be keyed by a field name, but defaults to
|
||||
* a sequential numeric array.
|
||||
*
|
||||
* NOTE: Choosing to key the result array by a non-unique field name can result in unwanted
|
||||
* behavior and should be avoided.
|
||||
*
|
||||
* @param string $key The name of a field on which to key the result array.
|
||||
* @param string $column An optional column name. Instead of the whole row, only this column value will be in the result array.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadAssocList($key = null, $column = null);
|
||||
|
||||
/**
|
||||
* Method to get an array of values from the <var>$offset</var> field in each row of the result set from the database query.
|
||||
*
|
||||
* @param integer $offset The row offset to use to build the result array.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadColumn($offset = 0);
|
||||
|
||||
/**
|
||||
* Method to get the first row of the result set from the database query as an object.
|
||||
*
|
||||
* @param string $class The class name to use for the returned row object.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadObject($class = \stdClass::class);
|
||||
|
||||
/**
|
||||
* Method to get an array of the result set rows from the database query where each row is an object. The array
|
||||
* of objects can optionally be keyed by a field name, but defaults to a sequential numeric array.
|
||||
*
|
||||
* NOTE: Choosing to key the result array by a non-unique field name can result in unwanted behavior and should be avoided.
|
||||
*
|
||||
* @param string $key The name of a field on which to key the result array.
|
||||
* @param string $class The class name to use for the returned row objects.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadObjectList($key = '', $class = \stdClass::class);
|
||||
|
||||
/**
|
||||
* Method to get the first field of the first row of the result set from the database query.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadResult();
|
||||
|
||||
/**
|
||||
* Method to get the first row of the result set from the database query as an array.
|
||||
*
|
||||
* Columns are indexed numerically so the first column in the result set would be accessible via <var>$row[0]</var>, etc.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadRow();
|
||||
|
||||
/**
|
||||
* Method to get an array of the result set rows from the database query where each row is an array. The array
|
||||
* of objects can optionally be keyed by a field offset, but defaults to a sequential numeric array.
|
||||
*
|
||||
* NOTE: Choosing to key the result array by a non-unique field can result in unwanted behavior and should be avoided.
|
||||
*
|
||||
* @param string $key The name of a field on which to key the result array.
|
||||
*
|
||||
* @return mixed The return value or null if the query failed.
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function loadRowList($key = null);
|
||||
|
||||
/**
|
||||
* Locks a table in the database.
|
||||
*
|
||||
* @param string $tableName The name of the table to unlock.
|
||||
*
|
||||
* @return $this
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function lockTable($tableName);
|
||||
|
||||
/**
|
||||
* Quotes and optionally escapes a string to database requirements for use in database queries.
|
||||
*
|
||||
* @param array|string $text A string or an array of strings to quote.
|
||||
* @param boolean $escape True (default) to escape the string, false to leave it unchanged.
|
||||
*
|
||||
* @return string
|
||||
*
|
||||
* @since 2.0.0
|
||||
*/
|
||||
public function quote($text, $escape = true);
|
||||
|
||||
/**
|
||||
* Quotes a binary string to database requirements for use in database queries.
|
||||
*
|
||||
* @param string $data A binary string to quote.
|
||||
*
|
||||
* @return string The binary quoted input string.
|
||||
*
|
||||
* @since 1.7.0
|
||||
*/
|
||||
public function quoteBinary($data);
|
||||
|
||||
/**
|
||||
* Wrap an SQL statement identifier name such as column, table or database names in quotes to prevent injection
|
||||
* risks and reserved word conflicts.
|
||||
*
|
||||
* @param array|string $name The identifier name to wrap in quotes, or an array of identifier names to wrap in quotes.
|
||||
* Each type supports dot-notation name.
|
||||
* @param array|string $as The AS query part associated to $name. It can be string or array, in latter case it has to be
|
||||
* same length of $name; if is null there will not be any AS part for string or array element.
|
||||
*
|
||||
* @return array|string The quote wrapped name, same type of $name.
|
||||
*
|
||||
* @since 2.0.0
|
||||
*/
|
||||
public function quoteName($name, $as = null);
|
||||
|
||||
/**
|
||||
* Renames a table in the database.
|
||||
*
|
||||
* @param string $oldTable The name of the table to be renamed
|
||||
* @param string $newTable The new name for the table.
|
||||
* @param string $backup Table prefix
|
||||
* @param string $prefix For the table - used to rename constraints in non-mysql databases
|
||||
*
|
||||
* @return $this
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function renameTable($oldTable, $newTable, $backup = null, $prefix = null);
|
||||
|
||||
/**
|
||||
* This function replaces a string identifier with the configured table prefix.
|
||||
*
|
||||
* @param string $sql The SQL statement to prepare.
|
||||
* @param string $prefix The table prefix.
|
||||
*
|
||||
* @return string The processed SQL statement.
|
||||
*
|
||||
* @since 2.0.0
|
||||
*/
|
||||
public function replacePrefix($sql, $prefix = '#__');
|
||||
|
||||
/**
|
||||
* Select a database for use.
|
||||
*
|
||||
* @param string $database The name of the database to select for use.
|
||||
*
|
||||
* @return boolean
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function select($database);
|
||||
|
||||
/**
|
||||
* Sets the SQL statement string for later execution.
|
||||
*
|
||||
* @param mixed $query The SQL statement to set either as a Query object or a string.
|
||||
* @param integer $offset The affected row offset to set. {@deprecated 3.0 Use LimitableInterface::setLimit() instead}
|
||||
* @param integer $limit The maximum affected rows to set. {@deprecated 3.0 Use LimitableInterface::setLimit() instead}
|
||||
*
|
||||
* @return $this
|
||||
*
|
||||
* @since 2.0.0
|
||||
*/
|
||||
public function setQuery($query, $offset = 0, $limit = 0);
|
||||
|
||||
/**
|
||||
* Method to commit a transaction.
|
||||
*
|
||||
* @param boolean $toSavepoint If true, commit to the last savepoint.
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function transactionCommit($toSavepoint = false);
|
||||
|
||||
/**
|
||||
* Method to roll back a transaction.
|
||||
*
|
||||
* @param boolean $toSavepoint If true, rollback to the last savepoint.
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function transactionRollback($toSavepoint = false);
|
||||
|
||||
/**
|
||||
* Method to initialize a transaction.
|
||||
*
|
||||
* @param boolean $asSavepoint If true and a transaction is already active, a savepoint will be created.
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function transactionStart($asSavepoint = false);
|
||||
|
||||
/**
|
||||
* Method to truncate a table.
|
||||
*
|
||||
* @param string $table The table to truncate
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function truncateTable($table);
|
||||
|
||||
/**
|
||||
* Unlocks tables in the database.
|
||||
*
|
||||
* @return $this
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function unlockTables();
|
||||
|
||||
/**
|
||||
* Updates a row in a table based on an object's properties.
|
||||
*
|
||||
* @param string $table The name of the database table to update.
|
||||
* @param object $object A reference to an object whose public properties match the table fields.
|
||||
* @param array|string $key The name of the primary key.
|
||||
* @param boolean $nulls True to update null fields or false to ignore them.
|
||||
*
|
||||
* @return boolean
|
||||
*
|
||||
* @since 2.0.0
|
||||
* @throws \RuntimeException
|
||||
*/
|
||||
public function updateObject($table, &$object, $key, $nulls = false);
|
||||
}
|
||||
Reference in New Issue
Block a user