MongoDB\Driver\Server::executeQuery
(mongodb >=1.0.0)
MongoDB\Driver\Server::executeQuery — Execute a database query on this server
Описание
$namespace
, MongoDB\Driver\Query $query
[, MongoDB\Driver\ReadPreference $readPreference
] )
Executes query on this server.
Замечание:
The
readPreferenceparameter does not control the server to which the driver issues the query; the query will always be executed on this server object. Instead, it may be used when issuing the command to a secondary (from a replica set connection, not standalone) or mongos node to ensure that the driver sets the wire protocol accordingly or adds the read preference to the query document, respectively.
Список параметров
-
namespace(string) -
A fully qualified namespace (e.g. "databaseName.collectionName").
-
query(MongoDB\Driver\Query) -
The MongoDB\Driver\Query to execute.
-
readPreference(MongoDB\Driver\ReadPreference) -
Optionally, a MongoDB\Driver\ReadPreference to select the server for this operation. If none is given, the read preference from the MongoDB Connection URI will be used.
Возвращаемые значения
Returns MongoDB\Driver\Cursor on success.
Ошибки
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
- Throws MongoDB\Driver\Exception\ConnectionException if connection to the server fails (for reasons other than authentication).
- Throws MongoDB\Driver\Exception\AuthenticationException if authentication is needed and fails.
- Throws MongoDB\Driver\Exception\RuntimeException on other errors (e.g. invalid query operators).
Смотрите также
- MongoDB\Driver\Cursor
- MongoDB\Driver\Query
- MongoDB\Driver\ReadPreference
- MongoDB\Driver\Manager::executeQuery() - Execute a database query
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- MongoDB\Driver\Server::executeQuery
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- MongoDB\Driver\Server::isArbiter
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- MongoDB\Driver\Server::isPassive
- MongoDB\Driver\Server::isPrimary
- MongoDB\Driver\Server::isSecondary
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