module Sequel::ThreadedServerBlock
Adds with_server
support for the sharded threaded connection pool.
Public Instance Methods
with_server(default_server, read_only_server=default_server) { || ... }
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Set a default server/shard to use inside the block for the current thread.
# File lib/sequel/extensions/server_block.rb 132 def with_server(default_server, read_only_server=default_server) 133 set_default_server(default_server, read_only_server) 134 yield 135 ensure 136 clear_default_server 137 end
Private Instance Methods
clear_default_server()
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Remove the current default server for the current thread, restoring the previous default server.
# File lib/sequel/extensions/server_block.rb 148 def clear_default_server 149 t = Sequel.current 150 a = sync{@default_servers[t]} 151 a.pop 152 sync{@default_servers.delete(t)} if a.empty? 153 end
pick_server(server)
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Use the server given to with_server
for the given thread, if appropriate.
Calls superclass method
# File lib/sequel/extensions/server_block.rb 156 def pick_server(server) 157 a = sync{@default_servers[Sequel.current]} 158 if !a || a.empty? 159 super 160 else 161 # Hash handling required to work when loaded after arbitrary servers plugin. 162 case server 163 when :default, nil 164 v = a[-1][0] 165 v = @servers[v] unless v.is_a?(Hash) 166 v 167 when :read_only 168 v = a[-1][1] 169 v = @servers[v] unless v.is_a?(Hash) 170 v 171 else 172 super 173 end 174 end 175 end
set_default_server(default_server, read_only_server=default_server)
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Make the given server the new default server for the current thread.
# File lib/sequel/extensions/server_block.rb 142 def set_default_server(default_server, read_only_server=default_server) 143 sync{(@default_servers[Sequel.current] ||= [])} << [default_server, read_only_server] 144 end