MongoCursorInterface::setReadPreference
(PECL mongo >=1.6.0)
MongoCursorInterface::setReadPreference — Set the read preference for this query
Descrição
abstract public MongoCursorInterface MongoCursorInterface::setReadPreference
( string
$read_preference
[, array $tags
] )Parâmetros
-
read_preference -
The read preference mode:
MongoClient::RP_PRIMARY,MongoClient::RP_PRIMARY_PREFERRED,MongoClient::RP_SECONDARY,MongoClient::RP_SECONDARY_PREFERRED, orMongoClient::RP_NEAREST. -
tags -
An array of zero or more tag sets, where each tag set is itself an array of criteria used to match tags on replica set members.
Valor Retornado
Returns this cursor.
Erros
Emits E_WARNING if either parameter is invalid, or if one or more tag sets are provided with the MongoClient::RP_PRIMARY read preference mode.
Veja Também
- The read preferences documentation.
- MongoCursorInterface::getReadPreference() - Get the read preference for this query