337 lines
9.5 KiB
PHP
337 lines
9.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since 3.6.0
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Cake\Database;
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use Cake\Database\Schema\SchemaDialect;
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use Cake\Database\Schema\TableSchema;
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use Closure;
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/**
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* Interface for database driver.
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*
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* @method int|null getMaxAliasLength() Returns the maximum alias length allowed.
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* @method int getConnectRetries() Returns the number of connection retry attempts made.
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* @method bool supports(string $feature) Checks whether a feature is supported by the driver.
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* @method bool inTransaction() Returns whether a transaction is active.
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* @method array config() Get the configuration data used to create the driver.
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* @method string getRole() Returns the connection role this driver prforms.
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*/
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interface DriverInterface
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{
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/**
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* Common Table Expressions (with clause) support.
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*
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* @var string
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*/
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public const FEATURE_CTE = 'cte';
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/**
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* Disabling constraints without being in transaction support.
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*
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* @var string
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*/
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public const FEATURE_DISABLE_CONSTRAINT_WITHOUT_TRANSACTION = 'disable-constraint-without-transaction';
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/**
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* Native JSON data type support.
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*
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* @var string
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*/
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public const FEATURE_JSON = 'json';
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/**
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* PDO::quote() support.
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*
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* @var string
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*/
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public const FEATURE_QUOTE = 'quote';
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/**
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* Transaction savepoint support.
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*
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* @var string
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*/
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public const FEATURE_SAVEPOINT = 'savepoint';
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/**
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* Truncate with foreign keys attached support.
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*
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* @var string
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*/
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public const FEATURE_TRUNCATE_WITH_CONSTRAINTS = 'truncate-with-constraints';
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/**
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* Window function support (all or partial clauses).
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*
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* @var string
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*/
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public const FEATURE_WINDOW = 'window';
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/**
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* Establishes a connection to the database server.
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*
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* @throws \Cake\Database\Exception\MissingConnectionException If database connection could not be established.
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* @return bool True on success, false on failure.
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*/
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public function connect(): bool;
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/**
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* Disconnects from database server.
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*
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* @return void
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*/
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public function disconnect(): void;
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/**
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* Returns correct connection resource or object that is internally used.
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*
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* @return object Connection object used internally.
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*/
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public function getConnection();
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/**
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* Set the internal connection object.
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*
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* @param object $connection The connection instance.
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* @return $this
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*/
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public function setConnection($connection);
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/**
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* Returns whether php is able to use this driver for connecting to database.
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*
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* @return bool True if it is valid to use this driver.
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*/
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public function enabled(): bool;
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/**
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* Prepares a sql statement to be executed.
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*
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* @param \Cake\Database\Query|string $query The query to turn into a prepared statement.
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* @return \Cake\Database\StatementInterface
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*/
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public function prepare($query): StatementInterface;
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/**
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* Starts a transaction.
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*
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* @return bool True on success, false otherwise.
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*/
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public function beginTransaction(): bool;
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/**
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* Commits a transaction.
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*
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* @return bool True on success, false otherwise.
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*/
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public function commitTransaction(): bool;
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/**
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* Rollbacks a transaction.
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*
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* @return bool True on success, false otherwise.
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*/
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public function rollbackTransaction(): bool;
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/**
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* Get the SQL for releasing a save point.
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*
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* @param string|int $name Save point name or id
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* @return string
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*/
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public function releaseSavePointSQL($name): string;
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/**
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* Get the SQL for creating a save point.
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*
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* @param string|int $name Save point name or id
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* @return string
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*/
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public function savePointSQL($name): string;
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/**
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* Get the SQL for rollingback a save point.
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*
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* @param string|int $name Save point name or id
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* @return string
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*/
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public function rollbackSavePointSQL($name): string;
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/**
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* Get the SQL for disabling foreign keys.
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*
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* @return string
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*/
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public function disableForeignKeySQL(): string;
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/**
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* Get the SQL for enabling foreign keys.
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*
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* @return string
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*/
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public function enableForeignKeySQL(): string;
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/**
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* Returns whether the driver supports adding or dropping constraints
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* to already created tables.
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*
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* @return bool True if driver supports dynamic constraints.
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* @deprecated 4.3.0 Fixtures no longer dynamically drop and create constraints.
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*/
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public function supportsDynamicConstraints(): bool;
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/**
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* Returns whether this driver supports save points for nested transactions.
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*
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* @return bool True if save points are supported, false otherwise.
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* @deprecated 4.3.0 Use `supports(DriverInterface::FEATURE_SAVEPOINT)` instead
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*/
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public function supportsSavePoints(): bool;
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/**
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* Returns a value in a safe representation to be used in a query string
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*
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* @param mixed $value The value to quote.
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* @param int $type Must be one of the \PDO::PARAM_* constants
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* @return string
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*/
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public function quote($value, $type): string;
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/**
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* Checks if the driver supports quoting.
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*
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* @return bool
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* @deprecated 4.3.0 Use `supports(DriverInterface::FEATURE_QUOTE)` instead
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*/
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public function supportsQuoting(): bool;
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/**
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* Returns a callable function that will be used to transform a passed Query object.
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* This function, in turn, will return an instance of a Query object that has been
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* transformed to accommodate any specificities of the SQL dialect in use.
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*
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* @param string $type The type of query to be transformed
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* (select, insert, update, delete).
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* @return \Closure
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*/
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public function queryTranslator(string $type): Closure;
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/**
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* Get the schema dialect.
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*
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* Used by {@link \Cake\Database\Schema} package to reflect schema and
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* generate schema.
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*
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* If all the tables that use this Driver specify their
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* own schemas, then this may return null.
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*
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* @return \Cake\Database\Schema\SchemaDialect
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*/
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public function schemaDialect(): SchemaDialect;
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/**
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* Quotes a database identifier (a column name, table name, etc..) to
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* be used safely in queries without the risk of using reserved words.
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*
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* @param string $identifier The identifier expression to quote.
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* @return string
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*/
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public function quoteIdentifier(string $identifier): string;
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/**
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* Escapes values for use in schema definitions.
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*
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* @param mixed $value The value to escape.
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* @return string String for use in schema definitions.
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*/
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public function schemaValue($value): string;
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/**
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* Returns the schema name that's being used.
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*
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* @return string
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*/
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public function schema(): string;
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/**
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* Returns last id generated for a table or sequence in database.
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*
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* @param string|null $table table name or sequence to get last insert value from.
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* @param string|null $column the name of the column representing the primary key.
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* @return string|int
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*/
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public function lastInsertId(?string $table = null, ?string $column = null);
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/**
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* Checks whether the driver is connected.
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*
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* @return bool
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*/
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public function isConnected(): bool;
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/**
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* Sets whether this driver should automatically quote identifiers
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* in queries.
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*
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* @param bool $enable Whether to enable auto quoting
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* @return $this
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*/
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public function enableAutoQuoting(bool $enable = true);
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/**
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* Disable auto quoting of identifiers in queries.
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*
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* @return $this
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*/
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public function disableAutoQuoting();
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/**
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* Returns whether this driver should automatically quote identifiers
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* in queries.
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*
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* @return bool
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*/
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public function isAutoQuotingEnabled(): bool;
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/**
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* Transforms the passed query to this Driver's dialect and returns an instance
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* of the transformed query and the full compiled SQL string.
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*
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* @param \Cake\Database\Query $query The query to compile.
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* @param \Cake\Database\ValueBinder $binder The value binder to use.
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* @return array containing 2 entries. The first entity is the transformed query
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* and the second one the compiled SQL.
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*/
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public function compileQuery(Query $query, ValueBinder $binder): array;
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/**
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* Returns an instance of a QueryCompiler.
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*
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* @return \Cake\Database\QueryCompiler
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*/
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public function newCompiler(): QueryCompiler;
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/**
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* Constructs new TableSchema.
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*
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* @param string $table The table name.
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* @param array $columns The list of columns for the schema.
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* @return \Cake\Database\Schema\TableSchema
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*/
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public function newTableSchema(string $table, array $columns = []): TableSchema;
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}
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