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• Mongo.getReadPrefMode()

Mongo.getReadPrefMode()

Mongo.getReadPrefMode()

返回:The current read preference mode for the Mongo() connection object.

See 复制集读选项 for an introduction to read preferences in MongoDB. Use getReadPrefMode() to return the current read preference mode, as in the following example:

db.getMongo().getReadPrefMode()

Use the following operation to return and print the current read preference mode:

print(db.getMongo().getReadPrefMode());

This operation will return one of the following read preference modes:

• primary
• primaryPreferred
• secondary
• secondaryPreferred
• nearest

参见

复制集读选项, readPref(), setReadPref(), and getReadPrefTagSet().

←   Mongo.getDB() Mongo.getReadPrefTagSet()  →

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