Class: Rack::Insight::SQLPanel::QueryResult

Inherits:
Object
  • Object
show all
Includes:
FilteredBacktrace
Defined in:
lib/rack/insight/panels/sql_panel/query.rb

Direct Known Subclasses

ExplainResult, ProfileResult

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from FilteredBacktrace

#backtrace, backtrace_regexp, #filtered_backtrace, #has_backtrace?, root_for_backtrace_filtering

Constructor Details

#initialize(sql, time, backtrace = [], result = nil) ⇒ QueryResult

Returns a new instance of QueryResult.



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 10

def initialize(sql, time, backtrace = [], result=nil)
  @sql = sql
  @time = time
  @backtrace = backtrace
  @result = result
  @results = nil
end

Instance Attribute Details

#sql ⇒ Object (readonly)

Returns the value of attribute sql.



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 7

def sql
  @sql
end

#time ⇒ Object (readonly)

Returns the value of attribute time.



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 8

def time
  @time
end

Class Method Details

.execute(sql) ⇒ Object

Downside is: we re-execute the SQL…



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 50

def self.execute(sql)
  ActiveRecord::Base.connection.execute(sql)
end

Instance Method Details

#column_names ⇒ Object 



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 23

def column_names
  if result.respond_to?(:fields)
    return result.fields
  else
    return result.fetch_fields.map{|col| col.name}
  end
end

#execute ⇒ Object 



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 54

def execute
  self.class.execute(@sql)
end

#human_time ⇒ Object 



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 41

def human_time
  "%.2fms" % (@time)
end

#inspectable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 45

def inspectable?
  sql.strip =~ /^SELECT /i
end

#result ⇒ Object 



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 18

def result
  @results ||= execute
  return @results
end

#rows ⇒ Object 



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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 31

def rows
  if result.respond_to?(:values)
    result.values
  else
    result.map do |row|
      row
    end
  end
end

#valid_hash?(secret_key, possible_hash) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/insight/panels/sql_panel/query.rb', line 58

def valid_hash?(secret_key, possible_hash)
  hash = Digest::SHA1.hexdigest [secret_key, @sql].join(":")
  possible_hash == hash
end