method

explain

Importance_0
Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: DatabaseStatements
explain(arel, binds = [], options = []) public

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# File activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb, line 27
        def explain(arel, binds = [], options = [])
          sql     = build_explain_clause(options) + " " + to_sql(arel, binds)
          start   = Process.clock_gettime(Process::CLOCK_MONOTONIC)
          result  = internal_exec_query(sql, "EXPLAIN", binds)
          elapsed = Process.clock_gettime(Process::CLOCK_MONOTONIC) - start

          MySQL::ExplainPrettyPrinter.new.pp(result, elapsed)
        end
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