Class: ActiveRecord::LogSubscriber

### Home Classes Methods

### In Files

- lib/active_record/log_subscriber.rb

### Parent

ActiveSupport::LogSubscriber

### Methods

- ::new
- ::reset_runtime
- ::runtime
- ::runtime=
- #identity
- #logger
- #odd?
- #sql

### Files

- README.rdoc

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Quicksearch

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No matching classes.

# ActiveRecord::LogSubscriber

### Public Class Methods

new() click to toggle source

    # File lib/active_record/log_subscriber.rb, line 16
    def initialize
      super
      @odd_or_even = false
    end

reset_runtime() click to toggle source

    # File lib/active_record/log_subscriber.rb, line 11
    def self.reset_runtime
      rt, self.runtime = runtime, 0
      rt
    end

runtime() click to toggle source

    # File lib/active_record/log_subscriber.rb, line 7
    def self.runtime
      Thread.current["active_record_sql_runtime"] ||= 0
    end

runtime=(value) click to toggle source

    # File lib/active_record/log_subscriber.rb, line 3
    def self.runtime=(value)
      Thread.current["active_record_sql_runtime"] = value
    end

### Public Instance Methods

identity(event) click to toggle source

    # File lib/active_record/log_subscriber.rb, line 53
    def identity(event)
      return unless logger.debug?

      name = color(event.payload[:name], odd? ? CYAN : MAGENTA, true)
      line = odd? ? color(event.payload[:line], nil, true) : event.payload[:line]

      debug "  #{name}  #{line}"
    end

logger() click to toggle source

    # File lib/active_record/log_subscriber.rb, line 66
    def logger
      ActiveRecord::Base.logger
    end

odd?() click to toggle source

    # File lib/active_record/log_subscriber.rb, line 62
    def odd?
      @odd_or_even = !@odd_or_even
    end

sql(event) click to toggle source

    # File lib/active_record/log_subscriber.rb, line 21
    def sql(event)
      self.class.runtime += event.duration
      return unless logger.debug?

      payload = event.payload

      return if 'SCHEMA' == payload[:name]

      name  = '%s (%.1fms)' % [payload[:name], event.duration]
      sql   = payload[:sql].squeeze(' ')
      binds = nil

      unless (payload[:binds] || []).empty?
        binds = "  " + payload[:binds].map { |col,v|
          if col
            [col.name, v]
          else
            [nil, v]
          end
        }.inspect
      end

      if odd?
        name = color(name, CYAN, true)
        sql  = color(sql, nil, true)
      else
        name = color(name, MAGENTA, true)
      end

      debug "  #{name}  #{sql}#{binds}"
    end

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