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Type:
Bug
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Resolution: Done
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Priority:
Minor - P4
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Affects Version/s: 2.4.3
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Component/s: Public API
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None
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Environment:MRI 2.3
The rdoc for Collection#find has
@option opts [:primary, :secondary] :read The default read preference for queries
# initiates from this connection object. If +:secondary+ is chosen, reads will be sent
# to one of the closest available secondary nodes. If a secondary node cannot be located, the
# read will be sent to the primary. If this option is left unspecified, the value of the read
# preference for this Collection object will be used.
However the code seems to expect that a server selector is passed, as snippets like
database['some_collection'].find({},{read: {mode: :secondary}}).first
raises the following error
NoMethodError: undefined method `select_server' for {"mode"=>:secondary}:BSON::Document