method

explain

v3.2.1 - Show latest stable - 0 notes - Class: Mysql2Adapter

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What's this?

explain(arel, binds = []) public

DATABASE STATEMENTS ======================================

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 100
      def explain(arel, binds = [])
        sql     = "EXPLAIN #{to_sql(arel)}"
        start   = Time.now
        result  = exec_query(sql, 'EXPLAIN', binds)
        elapsed = Time.now - start

        ExplainPrettyPrinter.new.pp(result, elapsed)
      end

explain

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