Class: RailsAiContext::Introspectors::DatabaseStatsIntrospector

Inherits:
Object
  • Object
show all
Extended by:
StaticTier
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

Constants included from StaticTier

StaticTier::ALTERNATE_SOURCE, StaticTier::FILES_ONLY, StaticTier::KINDS, StaticTier::RUNTIME_ONLY

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from StaticTier

answers_statically?, static_tier, static_tier_declared?, unavailable_reason, validate_static_tier!

Constructor Details

#initialize(app) ⇒ DatabaseStatsIntrospector

Returns a new instance of DatabaseStatsIntrospector.



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# File 'lib/rails_ai_context/introspectors/database_stats_introspector.rb', line 18

def initialize(app)
  @app = app
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/rails_ai_context/introspectors/database_stats_introspector.rb', line 11

def app
  @app
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/rails_ai_context/introspectors/database_stats_introspector.rb', line 22

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