1 files changed, 0 insertions, 112 deletions
diff --git a/lib/gitlab/sherlock/query.rb b/lib/gitlab/sherlock/query.rb
deleted file mode 100644
index 6f1d2ad23c1..00000000000
--- a/lib/gitlab/sherlock/query.rb
+++ /dev/null
@@ -1,112 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  module Sherlock
-    class Query
-      attr_reader :id, :query, :started_at, :finished_at, :backtrace
-
-      # SQL identifiers that should be prefixed with newlines.
-      PREFIX_NEWLINE = %r{
-        \s+(FROM
-          |(LEFT|RIGHT)?INNER\s+JOIN
-          |(LEFT|RIGHT)?OUTER\s+JOIN
-          |WHERE
-          |AND
-          |GROUP\s+BY
-          |ORDER\s+BY
-          |LIMIT
-          |OFFSET)\s+}ix.freeze # Vim indent breaks when this is on a newline :<
-
-      # Creates a new Query using a String and a separate Array of bindings.
-      #
-      # query - A String containing a SQL query, optionally with numeric
-      #         placeholders (`$1`, `$2`, etc).
-      #
-      # bindings - An Array of ActiveRecord columns and their values.
-      # started_at - The start time of the query as a Time-like object.
-      # finished_at - The completion time of the query as a Time-like object.
-      #
-      # Returns a new Query object.
-      def self.new_with_bindings(query, bindings, started_at, finished_at)
-        bindings.each_with_index do |(_, value), index|
-          quoted_value = ActiveRecord::Base.connection.quote(value)
-
-          query = query.gsub("$#{index + 1}", quoted_value)
-        end
-
-        new(query, started_at, finished_at)
-      end
-
-      # query - The SQL query as a String (without placeholders).
-      # started_at - The start time of the query as a Time-like object.
-      # finished_at - The completion time of the query as a Time-like object.
-      def initialize(query, started_at, finished_at)
-        @id = SecureRandom.uuid
-        @query = query
-        @started_at = started_at
-        @finished_at = finished_at
-        @backtrace = caller_locations.map do |loc|
-          Location.from_ruby_location(loc)
-        end
-
-        unless @query.end_with?(';')
-          @query = "#{@query};"
-        end
-      end
-
-      # Returns the query duration in milliseconds.
-      def duration
-        @duration ||= (@finished_at - @started_at) * 1000.0
-      end
-
-      def to_param
-        @id
-      end
-
-      # Returns a human readable version of the query.
-      def formatted_query
-        @formatted_query ||= format_sql(@query)
-      end
-
-      # Returns the last application frame of the backtrace.
-      def last_application_frame
-        @last_application_frame ||= @backtrace.find(&:application?)
-      end
-
-      # Returns an Array of application frames (excluding Gems and the likes).
-      def application_backtrace
-        @application_backtrace ||= @backtrace.select(&:application?)
-      end
-
-      # Returns the query plan as a String.
-      def explain
-        unless @explain
-          ActiveRecord::Base.connection.transaction do
-            @explain = raw_explain(@query).values.flatten.join("\n")
-
-            # Roll back any queries that mutate data so we don't mess up
-            # anything when running explain on an INSERT, UPDATE, DELETE, etc.
-            raise ActiveRecord::Rollback
-          end
-        end
-
-        @explain
-      end
-
-      private
-
-      def raw_explain(query)
-        explain = "EXPLAIN ANALYZE #{query};"
-
-        ActiveRecord::Base.connection.execute(explain)
-      end
-
-      def format_sql(query)
-        query.each_line
-          .map { |line| line.strip }
-          .join("\n")
-          .gsub(PREFIX_NEWLINE) { "\n#{Regexp.last_match(1)} " }
-      end
-    end
-  end
-end