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Methods
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Constants
IGNORE_PAYLOAD_NAMES = ["SCHEMA", "EXPLAIN"]
 
Class Public methods
reset_runtime()
# File activerecord/lib/active_record/log_subscriber.rb, line 17
def self.reset_runtime
  rt, self.runtime = runtime, 0
  rt
end
runtime()
# File activerecord/lib/active_record/log_subscriber.rb, line 13
def self.runtime
  ActiveRecord::RuntimeRegistry.sql_runtime ||= 0
end
runtime=(value)
# File activerecord/lib/active_record/log_subscriber.rb, line 9
def self.runtime=(value)
  ActiveRecord::RuntimeRegistry.sql_runtime = value
end
Instance Public methods
colorize_payload_name(name, payload_name)
# File activerecord/lib/active_record/log_subscriber.rb, line 63
def colorize_payload_name(name, payload_name)
  if payload_name.blank? || payload_name == "SQL" # SQL vs Model Load/Exists
    color(name, MAGENTA, true)
  else
    color(name, CYAN, true)
  end
end
debug(progname = nil, &block)
# File activerecord/lib/active_record/log_subscriber.rb, line 96
    def debug(progname = nil, &block)
      return unless super

      if ActiveRecord::Base.verbose_query_logs
        log_query_source
      end
    end

    def log_query_source
      source = extract_query_source_location(caller)

      if source
        logger.debug("  ↳ #{source}")
      end
    end

    def extract_query_source_location(locations)
      backtrace_cleaner.clean(locations).first
    end
end
extract_query_source_location(locations)
# File activerecord/lib/active_record/log_subscriber.rb, line 112
def extract_query_source_location(locations)
  backtrace_cleaner.clean(locations).first
end
log_query_source()
# File activerecord/lib/active_record/log_subscriber.rb, line 104
def log_query_source
  source = extract_query_source_location(caller)

  if source
    logger.debug("  ↳ #{source}")
  end
end
logger()
# File activerecord/lib/active_record/log_subscriber.rb, line 92
def logger
  ActiveRecord::Base.logger
end
render_bind(attr, value)
# File activerecord/lib/active_record/log_subscriber.rb, line 53
def render_bind(attr, value)
  if attr.is_a?(Array)
    attr = attr.first
  elsif attr.type.binary? && attr.value
    value = "<#{attr.value_for_database.to_s.bytesize} bytes of binary data>"
  end

  [attr && attr.name, value]
end
sql(event)
# File activerecord/lib/active_record/log_subscriber.rb, line 22
    def sql(event)
      self.class.runtime += event.duration
      return unless logger.debug?

      payload = event.payload

      return if IGNORE_PAYLOAD_NAMES.include?(payload[:name])

      name  = "#{payload[:name]} (#{event.duration.round(1)}ms)"
      name  = "CACHE #{name}" if payload[:cached]
      sql   = payload[:sql]
      binds = nil

      unless (payload[:binds] || []).empty?
        casted_params = type_casted_binds(payload[:type_casted_binds])
        binds = "  " + payload[:binds].zip(casted_params).map { |attr, value|
          render_bind(attr, value)
        }.inspect
      end

      name = colorize_payload_name(name, payload[:name])
      sql  = color(sql, sql_color(sql), true)

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

    private
      def type_casted_binds(casted_binds)
        casted_binds.respond_to?(:call) ? casted_binds.call : casted_binds
      end

      def render_bind(attr, value)
        if attr.is_a?(Array)
          attr = attr.first
        elsif attr.type.binary? && attr.value
          value = "<#{attr.value_for_database.to_s.bytesize} bytes of binary data>"
        end

        [attr && attr.name, value]
      end

      def colorize_payload_name(name, payload_name)
        if payload_name.blank? || payload_name == "SQL" # SQL vs Model Load/Exists
          color(name, MAGENTA, true)
        else
          color(name, CYAN, true)
        end
      end

      def sql_color(sql)
        case sql
        when /\A\s*rollback/mi
          RED
        when /select .*for update/mi, /\A\s*lock/mi
          WHITE
        when /\A\s*select/i
          BLUE
        when /\A\s*insert/i
          GREEN
        when /\A\s*update/i
          YELLOW
        when /\A\s*delete/i
          RED
        when /transaction\s*\Z/i
          CYAN
        else
          MAGENTA
        end
      end

      def logger
        ActiveRecord::Base.logger
      end

      def debug(progname = nil, &block)
        return unless super

        if ActiveRecord::Base.verbose_query_logs
          log_query_source
        end
      end

      def log_query_source
        source = extract_query_source_location(caller)

        if source
          logger.debug("  ↳ #{source}")
        end
      end

      def extract_query_source_location(locations)
        backtrace_cleaner.clean(locations).first
      end
  end
end

ActiveRecord::LogSubscriber.attach_to
sql_color(sql)
# File activerecord/lib/active_record/log_subscriber.rb, line 71
def sql_color(sql)
  case sql
  when /\A\s*rollback/mi
    RED
  when /select .*for update/mi, /\A\s*lock/mi
    WHITE
  when /\A\s*select/i
    BLUE
  when /\A\s*insert/i
    GREEN
  when /\A\s*update/i
    YELLOW
  when /\A\s*delete/i
    RED
  when /transaction\s*\Z/i
    CYAN
  else
    MAGENTA
  end
end
type_casted_binds(casted_binds)
# File activerecord/lib/active_record/log_subscriber.rb, line 49
def type_casted_binds(casted_binds)
  casted_binds.respond_to?(:call) ? casted_binds.call : casted_binds
end