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Class: ActiveRecord::ConnectionAdapters::SchemaReflection

Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/connection_adapters/schema_cache.rb

Class Attribute Summary

Class Method Summary

Instance Method Summary

Constructor Details

.new(cache_path, cache = nil) ⇒ SchemaReflection

[ GitHub ] 

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 16



def initialize(cache_path, cache = nil)
  @cache = cache
  @cache_path = cache_path
end


  







Class Attribute Details



  

    .check_schema_cache_dump_version   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 10



attr_accessor :check_schema_cache_dump_version


  








  

    .use_schema_cache_dump   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 9



attr_accessor :use_schema_cache_dump


  







Instance Method Details



  

    #add(pool, name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 41



def add(pool, name)
  cache(pool).add(pool, name)
end


  








  

    #cached?(table_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 79



def cached?(table_name)
  if @cache.nil?
    # If `check_schema_cache_dump_version` is enabled we can't load
    # the schema cache dump without connecting to the database.
    unless self.class.check_schema_cache_dump_version
      @cache = load_cache(nil)
    end
  end

  @cache&.cached?(table_name)
end


  








  

    #clear!  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 21



def clear!
  @cache = empty_cache

  nil
end


  








  

    #clear_data_source_cache!(pool, name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 73



def clear_data_source_cache!(pool, name)
  return if @cache.nil? && !possible_cache_available?

  cache(pool).clear_data_source_cache!(pool, name)
end


  








  

    #columns(pool, table_name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 49



def columns(pool, table_name)
  cache(pool).columns(pool, table_name)
end


  








  

    #columns_hash(pool, table_name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 53



def columns_hash(pool, table_name)
  cache(pool).columns_hash(pool, table_name)
end


  








  

    #columns_hash?(pool, table_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 57



def columns_hash?(pool, table_name)
  cache(pool).columns_hash?(pool, table_name)
end


  








  

    #data_source_exists?(pool, name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 37



def data_source_exists?(pool, name)
  cache(pool).data_source_exists?(pool, name)
end


  








  

    #data_sources(pool, name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 45



def data_sources(pool, name)
  cache(pool).data_source_exists?(pool, name)
end


  








  

    #dump_to(pool, filename)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 91



def dump_to(pool, filename)
  fresh_cache = empty_cache
  fresh_cache.add_all(pool)
  fresh_cache.dump_to(filename)

  @cache = fresh_cache
end


  








  

    #indexes(pool, table_name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 61



def indexes(pool, table_name)
  cache(pool).indexes(pool, table_name)
end


  








  

    #load!(pool)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 27



def load!(pool)
  cache(pool)

  self
end


  








  

    #primary_keys(pool, table_name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 33



def primary_keys(pool, table_name)
  cache(pool).primary_keys(pool, table_name)
end


  








  

    #size(pool)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 69



def size(pool)
  cache(pool).size
end


  








  

    #version(pool)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 65



def version(pool)
  cache(pool).version(pool)
end