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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(connection, name)  
  

  [ GitHub ]


  

  


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



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


  








  

    #cached?(table_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 87



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 25



def clear!
  @cache = empty_cache

  nil
end


  








  

    #clear_data_source_cache!(connection, name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 81



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

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


  








  

    #columns(connection, table_name)  
  

  [ GitHub ]


  

  


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



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


  








  

    #columns_hash(connection, table_name)  
  

  [ GitHub ]


  

  


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



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


  








  

    #columns_hash?(connection, table_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


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



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


  








  

    #data_source_exists?(connection, name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


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



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


  








  

    #data_sources(connection, name)  
  

  [ GitHub ]


  

  


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



def data_sources(connection, name)
  cache(connection).data_sources(connection, name)
end


  








  

    #dump_to(connection, filename)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 99



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

  @cache = fresh_cache
end


  








  

    #indexes(connection, table_name)  
  

  [ GitHub ]


  

  


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



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


  








  

    #load!(connection)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 31



def load!(connection)
  cache(connection)

  self
end


  








  

    #primary_keys(connection, table_name)  
  

  [ GitHub ]


  

  


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



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


  








  

    #set_schema_cache(cache)  
  

  [ GitHub ]


  

  


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



def set_schema_cache(cache)
  @cache = cache
end


  








  

    #size(connection)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/schema_cache.rb', line 77



def size(connection)
  cache(connection).size
end


  








  

    #version(connection)  
  

  [ GitHub ]


  

  


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



def version(connection)
  cache(connection).version(connection)
end