nextcloud/lib/private/AppFramework/Db/Db.php

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<?php
/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Bernhard Posselt <dev@bernhard-posselt.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
*
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* @license AGPL-3.0
*
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* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
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* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
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* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\AppFramework\Db;
use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDb;
use OCP\IDBConnection;
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use OCP\PreConditionNotMetException;
/**
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* @deprecated use IDBConnection directly, will be removed in ownCloud 10
* Small Facade for being able to inject the database connection for tests
*/
class Db implements IDb {
/**
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* @var IDBConnection
*/
protected $connection;
/**
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* @param IDBConnection $connection
*/
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public function __construct(IDBConnection $connection) {
$this->connection = $connection;
}
/**
* Gets the ExpressionBuilder for the connection.
*
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* @return \OCP\DB\QueryBuilder\IQueryBuilder
*/
public function getQueryBuilder() {
return $this->connection->getQueryBuilder();
}
/**
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* Used to abstract the ownCloud database access away
*
* @param string $sql the sql query with ? placeholder for params
* @param int $limit the maximum number of rows
* @param int $offset from which row we want to start
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* @deprecated use prepare instead, will be removed in ownCloud 10
* @return \OC_DB_StatementWrapper prepared SQL query
*/
public function prepareQuery($sql, $limit = null, $offset = null) {
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$isManipulation = \OC_DB::isManipulation($sql);
$statement = $this->connection->prepare($sql, $limit, $offset);
return new \OC_DB_StatementWrapper($statement, $isManipulation);
}
/**
* Used to get the id of the just inserted element
*
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* @deprecated use lastInsertId instead, will be removed in ownCloud 10
* @param string $tableName the name of the table where we inserted the item
* @return int the id of the inserted element
*/
public function getInsertId($tableName) {
return $this->connection->lastInsertId($tableName);
}
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/**
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* Used to abstract the ownCloud database access away
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* @param string $sql the sql query with ? placeholder for params
* @param int $limit the maximum number of rows
* @param int $offset from which row we want to start
* @return \Doctrine\DBAL\Driver\Statement The prepared statement.
*/
public function prepare($sql, $limit=null, $offset=null) {
return $this->connection->prepare($sql, $limit, $offset);
}
/**
* Executes an, optionally parameterized, SQL query.
*
* If the query is parameterized, a prepared statement is used.
* If an SQLLogger is configured, the execution is logged.
*
* @param string $query The SQL query to execute.
* @param string[] $params The parameters to bind to the query, if any.
* @param array $types The types the previous parameters are in.
* @return \Doctrine\DBAL\Driver\Statement The executed statement.
*/
public function executeQuery($query, array $params = array(), $types = array()) {
return $this->connection->executeQuery($query, $params, $types);
}
/**
* Executes an SQL INSERT/UPDATE/DELETE query with the given parameters
* and returns the number of affected rows.
*
* This method supports PDO binding types as well as DBAL mapping types.
*
* @param string $query The SQL query.
* @param array $params The query parameters.
* @param array $types The parameter types.
* @return integer The number of affected rows.
*/
public function executeUpdate($query, array $params = array(), array $types = array()) {
return $this->connection->executeUpdate($query, $params, $types);
}
/**
* Used to get the id of the just inserted element
* @param string $table the name of the table where we inserted the item
* @return int the id of the inserted element
*/
public function lastInsertId($table = null) {
return $this->connection->lastInsertId($table);
}
/**
* Insert a row if the matching row does not exists.
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*
* @param string $table The table name (will replace *PREFIX* with the actual prefix)
* @param array $input data that should be inserted into the table (column name => value)
* @param array|null $compare List of values that should be checked for "if not exists"
* If this is null or an empty array, all keys of $input will be compared
* Please note: text fields (clob) must not be used in the compare array
* @return int number of inserted rows
* @throws \Doctrine\DBAL\DBALException
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*/
public function insertIfNotExist($table, $input, array $compare = null) {
return $this->connection->insertIfNotExist($table, $input, $compare);
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}
/**
* Insert or update a row value
*
* @param string $table
* @param array $keys (column name => value)
* @param array $values (column name => value)
* @param array $updatePreconditionValues ensure values match preconditions (column name => value)
* @return int number of new rows
* @throws \Doctrine\DBAL\DBALException
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* @throws PreConditionNotMetException
*/
public function setValues($table, array $keys, array $values, array $updatePreconditionValues = []) {
return $this->connection->setValues($table, $keys, $values, $updatePreconditionValues);
}
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/**
* @inheritdoc
*/
public function lockTable($tableName) {
$this->connection->lockTable($tableName);
}
/**
* @inheritdoc
*/
public function unlockTable() {
$this->connection->unlockTable();
}
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/**
* Start a transaction
*/
public function beginTransaction() {
$this->connection->beginTransaction();
}
/**
* Check if a transaction is active
*
* @return bool
*/
public function inTransaction() {
return $this->connection->inTransaction();
}
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/**
* Commit the database changes done during a transaction that is in progress
*/
public function commit() {
$this->connection->commit();
}
/**
* Rollback the database changes done during a transaction that is in progress
*/
public function rollBack() {
$this->connection->rollBack();
}
/**
* Gets the error code and message as a string for logging
* @return string
*/
public function getError() {
return $this->connection->getError();
}
/**
* Fetch the SQLSTATE associated with the last database operation.
*
* @return integer The last error code.
*/
public function errorCode() {
return $this->connection->errorCode();
}
/**
* Fetch extended error information associated with the last database operation.
*
* @return array The last error information.
*/
public function errorInfo() {
return $this->connection->errorInfo();
}
/**
* Establishes the connection with the database.
*
* @return bool
*/
public function connect() {
return $this->connection->connect();
}
/**
* Close the database connection
*/
public function close() {
$this->connection->close();
}
/**
* Quotes a given input parameter.
*
* @param mixed $input Parameter to be quoted.
* @param int $type Type of the parameter.
* @return string The quoted parameter.
*/
public function quote($input, $type = IQueryBuilder::PARAM_STR) {
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return $this->connection->quote($input, $type);
}
/**
* Gets the DatabasePlatform instance that provides all the metadata about
* the platform this driver connects to.
*
* @return \Doctrine\DBAL\Platforms\AbstractPlatform The database platform.
*/
public function getDatabasePlatform() {
return $this->connection->getDatabasePlatform();
}
/**
* Drop a table from the database if it exists
*
* @param string $table table name without the prefix
*/
public function dropTable($table) {
$this->connection->dropTable($table);
}
/**
* Check if a table exists
*
* @param string $table table name without the prefix
* @return bool
*/
public function tableExists($table) {
return $this->connection->tableExists($table);
}
/**
* Espace a parameter to be used in a LIKE query
*
* @param string $param
* @return string
*/
public function escapeLikeParameter($param) {
return $this->connection->escapeLikeParameter($param);
}
}