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<?php |
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namespace ClickHouseDB; |
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/** |
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* @see https://clickhouse.yandex/docs/en/operations/settings/ |
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*/ |
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class Settings |
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{ |
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/** @var mixed[] */ |
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private $settings = []; |
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/** @var bool */ |
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private $httpCompressionEnabled = false; |
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/** |
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* @return mixed|null |
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*/ |
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public function get(string $key) |
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{ |
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if (! $this->isSet($key)) { |
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return null; |
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} |
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return $this->settings[$key]; |
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} |
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public function isSet(string $key) : bool |
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{ |
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return isset($this->settings[$key]); |
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} |
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/** |
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* @param mixed $value |
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*/ |
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public function set(string $key, $value) : void |
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{ |
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$this->settings[$key] = $value; |
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} |
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/** |
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* @return mixed|null |
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*/ |
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public function isHttpCompressionEnabled() |
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{ |
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return $this->httpCompressionEnabled; |
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} |
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public function setHttpCompression(bool $enable) : self |
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{ |
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$this->httpCompressionEnabled = $enable; |
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return $this; |
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} |
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public function readonly(int $flag) : self |
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{ |
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$this->set('readonly', $flag); |
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return $this; |
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} |
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/** |
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* @param string $session_id |
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* @return $this |
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*/ |
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public function session_id($session_id) |
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{ |
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$this->set('session_id', $session_id); |
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return $this; |
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} |
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/** |
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* @return mixed|bool |
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*/ |
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public function getSessionId() |
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{ |
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if (empty($this->settings['session_id'])) { |
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return false; |
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} |
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return $this->get('session_id'); |
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} |
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/** |
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* @return string|bool |
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*/ |
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public function makeSessionId() |
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{ |
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$this->session_id(sha1(uniqid('', true))); |
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return $this->getSessionId(); |
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} |
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/** |
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* @param mixed[] $forcedSettings |
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* @return mixed[] |
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*/ |
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public function getQueryableSettings(array $forcedSettings) : array |
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{ |
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$settings = $this->settings; |
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if (! empty($forcedSettings)) { |
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$settings = $forcedSettings + $this->settings; |
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} |
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return $settings; |
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} |
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/** |
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* @param array $settings_array |
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* @return $this |
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*/ |
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public function apply($settings_array) |
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{ |
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foreach ($settings_array as $key => $value) { |
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$this->set($key, $value); |
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} |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @return mixed|null |
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*/ |
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public function getSetting($name) |
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{ |
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if (! isset($this->settings[$name])) { |
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return null; |
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} |
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return $this->get($name); |
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} |
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} |
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