Class: RailsPulse::Dashboard::Tables::SlowQueries

Inherits:
Object
  • Object
show all
Includes:
FormattingHelper
Defined in:
app/models/rails_pulse/dashboard/tables/slow_queries.rb

Instance Method Summary collapse

Methods included from FormattingHelper

#human_readable_occurred_at, #human_readable_summary_period, #time_ago_in_words

Constructor Details

#initialize(disabled_tags: [], show_non_tagged: true) ⇒ SlowQueries

Returns a new instance of SlowQueries.



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# File 'app/models/rails_pulse/dashboard/tables/slow_queries.rb', line 7

def initialize(disabled_tags: [], show_non_tagged: true)
  @disabled_tags = disabled_tags
  @show_non_tagged = show_non_tagged
end

Instance Method Details

#to_table_data ⇒ Object 



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# File 'app/models/rails_pulse/dashboard/tables/slow_queries.rb', line 12

def to_table_data
  # Get data for this week
  this_week_start = 1.week.ago.beginning_of_week
  this_week_end = Time.current.end_of_week

  # Fetch query data from Summary records for this week
  query_data = RailsPulse::Summary
    .with_tag_filters(@disabled_tags, @show_non_tagged)
    .joins("INNER JOIN rails_pulse_queries ON rails_pulse_queries.id = rails_pulse_summaries.summarizable_id")
    .where(
      summarizable_type: "RailsPulse::Query",
      period_type: "day",
      period_start: this_week_start..this_week_end
    )
    .group("rails_pulse_summaries.summarizable_id, rails_pulse_queries.normalized_sql")
    .select(
      "rails_pulse_summaries.summarizable_id as query_id",
      "rails_pulse_queries.normalized_sql",
      "SUM(rails_pulse_summaries.avg_duration * rails_pulse_summaries.count) / SUM(rails_pulse_summaries.count) as avg_duration",
      "SUM(rails_pulse_summaries.count) as request_count",
      "MAX(rails_pulse_summaries.period_end) as last_seen"
    )
    .order("avg_duration DESC")
    .limit(5)

  # Build data rows
  data_rows = query_data.map do |record|
    {
      query_text: truncate_query(record.normalized_sql),
      query_id: record.query_id,
      query_link: RailsPulse::Engine.routes.url_helpers.query_path(record.query_id),
      average_time: record.avg_duration.to_f.round(0),
      request_count: record.request_count,
      last_request: time_ago_in_words(record.last_seen)
    }
  end

  # Return new structure with columns and data
  {
    columns: [
      { field: :query_text, label: "Query", link_to: :query_link, class: "w-auto" },
      { field: :average_time, label: "Average Time", class: "w-32" },
      { field: :request_count, label: "Requests", class: "w-24" },
      { field: :last_request, label: "Last Request", class: "w-32" }
    ],
    data: data_rows
  }
end