MongoCursorInterface::setReadPreference
(PECL mongo >=1.6.0)
MongoCursorInterface::setReadPreference — Set the read preference for this query
설명
abstract public MongoCursorInterface MongoCursorInterface::setReadPreference
( string
$read_preference
[, array $tags
] )인수
-
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.
반환값
Returns this cursor.
오류/예외
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.
참고
- The read preferences documentation.
- MongoCursorInterface::getReadPreference() - Get the read preference for this query
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