Class: RailsAiContext::Introspectors::DatabaseStatsIntrospector

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_ai_context/introspectors/database_stats_introspector.rb

Overview

Collects approximate row counts from PostgreSQL's pg_stat_user_tables. Only activates for PostgreSQL adapter; returns { skipped: true } otherwise.

Constant Summary collapse

MYSQL_ADAPTER =

Trilogy is Rails 8's default MySQL adapter (adapter_name reports "Trilogy", not "Mysql2") - matching only /mysql/ silently skips stats collection for every Trilogy app.

/mysql|trilogy/i

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ DatabaseStatsIntrospector

Returns a new instance of DatabaseStatsIntrospector.



15
16
17
 
# File 'lib/rails_ai_context/introspectors/database_stats_introspector.rb', line 15

def initialize(app)
  @app = app
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



8
9
10
 
# File 'lib/rails_ai_context/introspectors/database_stats_introspector.rb', line 8

def app
  @app
end

Instance Method Details

#call ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/rails_ai_context/introspectors/database_stats_introspector.rb', line 19

def call
  return { skipped: true, reason: "ActiveRecord not available" } unless defined?(ActiveRecord::Base)

  adapter = ActiveRecord::Base.connection.adapter_name.downcase
  case adapter
  when /postgresql/
    collect_postgresql_stats
  when MYSQL_ADAPTER
    collect_mysql_stats
  when /sqlite/
    collect_sqlite_stats
  else
    { skipped: true, reason: "Stats not available for adapter: #{adapter}" }
  end
rescue => e
  { error: e.message }
end