method

retrieve_connection_pool

rails latest stable - Class: ActiveRecord::ConnectionAdapters::ConnectionHandler

retrieve_connection_pool(connection_name, role: ActiveRecord::Base.current_role, shard: ActiveRecord::Base.current_shard)

public

Retrieving the connection pool happens a lot, so we cache it in @connection_name_to_pool_manager. This makes retrieving the connection pool O(1) once the process is warm. When a connection is established or removed, we invalidate the cache.

# File activerecord/lib/active_record/connection_adapters/abstract/connection_handler.rb, line 265
      def retrieve_connection_pool(connection_name, role: ActiveRecord::Base.current_role, shard: ActiveRecord::Base.current_shard)
        pool_config = get_pool_manager(connection_name)&.get_pool_config(role, shard)
        pool_config&.pool
      end

retrieve_connection_pool

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