Class: N1Finder::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/n_1_finder/query.rb

Overview

Query representation

Constant Summary collapse

ID =

Regular expression to find numeric ids in queries and in params

/(?<==\s)\d+/
UUID =

Regular expression to find UUIDs in queries and in params

/(?<==\s)(['"])\h{8}-\h{4}-\h{4}-\h{4}-\h{12}\1/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(query, params, backtrace) ⇒ Query

Returns a new instance of Query.

Parameters:

  • query (String)
  • params (Hash)
  • backtrace (Array<String>) 


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# File 'lib/n_1_finder/query.rb', line 20

def initialize(query, params, backtrace)
  @query = self.class.query_with_params(query, params)
  @backtrace = backtrace
end

Instance Attribute Details

#backtrace ⇒ Object (readonly)

Returns the value of attribute backtrace.



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# File 'lib/n_1_finder/query.rb', line 15

def backtrace
  @backtrace
end

#line ⇒ Object (readonly)

Backtrace up to function where we cought this query



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# File 'lib/n_1_finder/query.rb', line 15

attr_reader :query, :backtrace

#query ⇒ Object (readonly)

Original query string combined with params



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# File 'lib/n_1_finder/query.rb', line 15

def query
  @query
end

Class Method Details

.query_with_params(query, params) ⇒ String

Combines query and its params to readable format

Parameters:

  • query (String)
  • params (Hash)

Returns:

  • (String) 


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# File 'lib/n_1_finder/query.rb', line 41

def self.query_with_params(query, params)
  params.map do |key, value|
    value = "'#{value}'" if value.is_a?(String)
    "#{key} = #{value}"
  end.unshift(query).join(', ')
end

Instance Method Details

#footprint ⇒ {query, line} => String

Generates query footprint Footprint consists of

- query with masked ids
- line of code where this query was executed

Returns:



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# File 'lib/n_1_finder/query.rb', line 31

def footprint
  @footprint ||= { query: query_footprint, line: application_line }
end