Class: NewRelic::Agent::SlowSql

Inherits:
Object
  • Object
show all
Defined in:
lib/new_relic/agent/sql_sampler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sql, metric_name, config, duration, backtrace = nil, &explainer) ⇒ SlowSql

Returns a new instance of SlowSql.



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# File 'lib/new_relic/agent/sql_sampler.rb', line 166

def initialize(sql, metric_name, config, duration, backtrace=nil,
               &explainer)
  @sql = sql
  @metric_name = metric_name
  @config = config
  @duration = duration
  @backtrace = backtrace
  @explainer = explainer
end

Instance Attribute Details

#backtrace ⇒ Object (readonly)

Returns the value of attribute backtrace.



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# File 'lib/new_relic/agent/sql_sampler.rb', line 164

def backtrace
  @backtrace
end

#duration ⇒ Object (readonly)

Returns the value of attribute duration.



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# File 'lib/new_relic/agent/sql_sampler.rb', line 163

def duration
  @duration
end

#metric_name ⇒ Object (readonly)

Returns the value of attribute metric_name.



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# File 'lib/new_relic/agent/sql_sampler.rb', line 162

def metric_name
  @metric_name
end

#sql ⇒ Object (readonly)

Returns the value of attribute sql.



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# File 'lib/new_relic/agent/sql_sampler.rb', line 161

def sql
  @sql
end

Instance Method Details

#explain ⇒ Object 



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# File 'lib/new_relic/agent/sql_sampler.rb', line 185

def explain
  if @config && @explainer
    NewRelic::Agent::Database.explain_sql(@sql, @config, &@explainer)
  end
end

#normalize ⇒ Object 



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# File 'lib/new_relic/agent/sql_sampler.rb', line 180

def normalize
  NewRelic::Agent::Database::Obfuscator.instance \
    .default_sql_obfuscator(@sql).gsub(/\?\s*\,\s*/, '').gsub(/\s/, '')
end

#obfuscate ⇒ Object 



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# File 'lib/new_relic/agent/sql_sampler.rb', line 176

def obfuscate
  NewRelic::Agent::Database.obfuscate_sql(@sql)
end

#prepare_to_send ⇒ Object

We can’t serialize the explainer, so clear it before we transmit



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# File 'lib/new_relic/agent/sql_sampler.rb', line 192

def prepare_to_send
  @explainer = nil
end