class Mongo::Operation::Commands::CollectionsInfo
A MongoDB operation to get a list of collection names in a database.
@example Create the collection names operation.
Read::CollectionNames.new(:db_name => 'test-db')
Initialization:
param [ Hash ] spec The specifications for the collection names operation. option spec :db_name [ String ] The name of the database whose collection names is requested. option spec :options [ Hash ] Options for the operation.
@since 2.0.0
Public Instance Methods
execute(context)
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Execute the operation. The context gets a connection on which the operation is sent in the block.
@param [ Mongo::Server::Context ] context The context for this operation.
@return [ Result ] The operation response, if there is one.
@since 2.0.0
# File lib/mongo/operation/commands/collections_info.rb, line 48 def execute(context) if context.features.list_collections_enabled? ListCollections.new(spec).execute(context) else context.with_connection do |connection| Result.new(connection.dispatch([ message(context) ])).validate! end end end
Private Instance Methods
query_coll()
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# File lib/mongo/operation/commands/collections_info.rb, line 64 def query_coll Database::NAMESPACES end
selector()
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# File lib/mongo/operation/commands/collections_info.rb, line 60 def selector { :name => { '$not' => /system\.|\$/ } } end