method

exec_explain

v3.2.1 - Show latest stable - 0 notes - Class: Explain

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What's this?

exec_explain(queries) public

Makes the adapter execute EXPLAIN for the tuples of queries and bindings. Returns a formatted string ready to be logged.

Show source

# File activerecord/lib/active_record/explain.rb, line 57
    def exec_explain(queries) # :nodoc:
      queries && queries.map do |sql, bind|
        [].tap do |msg|
          msg << "EXPLAIN for: #{sql}"
          unless bind.empty?
            bind_msg = bind.map {|col, val| [col.name, val]}.inspect
            msg.last << " #{bind_msg}"
          end
          msg << connection.explain(sql, bind)
        end.join("\n")
      end.join("\n")
    end

exec_explain

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