class Sequel::SingleConnectionPool
This is the fastest connection pool, since it isn't a connection pool at all. It is just a wrapper around a single connection that uses the connection pool API.
Public Instance Methods
all_connections() { |conn| ... }
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Yield the connection if one has been made.
# File lib/sequel/connection_pool/single.rb, line 6 def all_connections yield @conn if @conn end
disconnect(opts=nil)
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Disconnect the connection from the database.
# File lib/sequel/connection_pool/single.rb, line 11 def disconnect(opts=nil) return unless @conn db.disconnect_connection(@conn) @conn = nil end
hold(server=nil) { |conn ||= make_new(DEFAULT_SERVER)| ... }
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Yield the connection to the block.
# File lib/sequel/connection_pool/single.rb, line 18 def hold(server=nil) begin yield(@conn ||= make_new(DEFAULT_SERVER)) rescue Sequel::DatabaseDisconnectError disconnect raise end end
max_size()
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The SingleConnectionPool always has a maximum size of 1.
# File lib/sequel/connection_pool/single.rb, line 28 def max_size 1 end
pool_type()
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# File lib/sequel/connection_pool/single.rb, line 32 def pool_type :single end
size()
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The SingleConnectionPool always has a size of 1 if connected and 0 if not.
# File lib/sequel/connection_pool/single.rb, line 38 def size @conn ? 1 : 0 end
Private Instance Methods
preconnect()
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Make sure there is a valid connection.
# File lib/sequel/connection_pool/single.rb, line 45 def preconnect hold{} end