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Informations about the package clickhouse-php-client

PHP Client for ClickHouse columnar DBMS

https://clickhouse.yandex

Документация

https://clickhouse.readme.io/

Создание клиента

$client = new \ClickHouse\Client('http://127.0.0.1', 8123);

Проверка сервера

$bool = $client->ping();

Выполнить SELECT запрос

$client->select($sql, $params);

$sql - строка с sql запросом $params - массив для биндинга параметров

Возвращает объект типа Statement

интерфейс Statement

getRawResult возвращает данные в сыром виде, так как их вернул сервер.

getResult возвращает данные в виде объекта stdClass

getMeta возвращает метаданные. типы столбцов и тд

getTotals - тотальные значения (при использовании WITH TOTALS в запросе).

getExtremes - экстремальные значения (при настройке extremes, выставленной в 1).

getRows - общее количество выведенных строчек.

getRowsBeforeLimitAtLeast - не менее скольких строчек получилось бы, если бы не было LIMIT-а. Выводится только если запрос содержит LIMIT.

fetchAll - возвращает массив со всеми строками

fetchOne - возвращает первую строку

fetchColumn - возвращает значение указанного столбца

Выполнить INSERT запрос

$client->insert($table, $columns = [], $values);

Выполнить BATCH INSERT запрос

Выполнить ALTER/CREATE/DROP запросы

$client->execute($sql);

Системные запросы

tables

Информация о таблицах, содержит столбцы database, name, engine типа String.

$client->system()->tables();

databases

Информация о базах

$client->system()->databases();

clusters

информация о доступных в конфигурационном файле кластерах и серверах, которые в них входят.

$client->system()->clusters();

остальное скоро будет здесь

Настройки

$client->settings()->max_memory_usage; //получить значение настроки

$client->settings()->max_memory_usage = 10G; //изменить настройку для текущий сессии

All versions of clickhouse-php-client with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4.0
guzzlehttp/guzzle Version ^7.2
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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