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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\DB;
class OracleConnection extends Connection {
/**
* Quote the keys of the array
* @param array<string, string> $data
* @return array<string, string>
*/
private function quoteKeys(array $data) {
$return = [];
$c = $this->getDatabasePlatform()->getIdentifierQuoteCharacter();
foreach ($data as $key => $value) {
if ($key[0] !== $c) {
$return[$this->quoteIdentifier($key)] = $value;
} else {
$return[$key] = $value;
}
}
return $return;
}
/**
* {@inheritDoc}
*/
public function insert($table, array $data, array $types = []) {
if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
$table = $this->quoteIdentifier($table);
}
$data = $this->quoteKeys($data);
return parent::insert($table, $data, $types);
}
/**
* {@inheritDoc}
*/
public function update($table, array $data, array $criteria, array $types = []) {
if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
$table = $this->quoteIdentifier($table);
}
$data = $this->quoteKeys($data);
$criteria = $this->quoteKeys($criteria);
return parent::update($table, $data, $criteria, $types);
}
/**
* {@inheritDoc}
*/
public function delete($table, array $criteria, array $types = []) {
if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
$table = $this->quoteIdentifier($table);
}
$criteria = $this->quoteKeys($criteria);
return parent::delete($table, $criteria);
}
/**
* Drop a table from the database if it exists
*
* @param string $table table name without the prefix
*/
public function dropTable($table) {
$table = $this->tablePrefix . trim($table);
$table = $this->quoteIdentifier($table);
$schema = $this->createSchemaManager();
if ($schema->tablesExist([$table])) {
$schema->dropTable($table);
}
}
/**
* Check if a table exists
*
* @param string $table table name without the prefix
* @return bool
*/
public function tableExists($table) {
$table = $this->tablePrefix . trim($table);
$table = $this->quoteIdentifier($table);
$schema = $this->createSchemaManager();
return $schema->tablesExist([$table]);
}
}
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