Module: DynamicMigrations::Postgres::Server::Database::LoadedExtensions

Included in:
DynamicMigrations::Postgres::Server::Database
Defined in:
lib/dynamic_migrations/postgres/server/database/loaded_extensions.rb

Defined Under Namespace

Classes: LoadedExtensionAlreadyExistsError

Instance Method Summary collapse

Instance Method Details

#add_loaded_extension(extension_name) ⇒ Object

adds a new loaded extension for this database

Raises:



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# File 'lib/dynamic_migrations/postgres/server/database/loaded_extensions.rb', line 12

def add_loaded_extension extension_name
  raise ExpectedSymbolError, extension_name unless extension_name.is_a? Symbol
  if has_loaded_extension? extension_name
    raise(LoadedExtensionAlreadyExistsError, "Loaded extension #{extension_name} already exists")
  end
  # sort the hash so that the extensions are in alphabetical order by name
  @loaded_extensions[extension_name] = true
  sorted_extensions = {}
  @loaded_extensions.keys.sort.each do |extension_name|
    sorted_extensions[extension_name] = true
  end
  @loaded_extensions = sorted_extensions
end

#has_loaded_extension?(extension_name) ⇒ Boolean

returns true if this table has a loaded extension with the provided name, otherwise false

Returns:

  • (Boolean)

Raises:



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# File 'lib/dynamic_migrations/postgres/server/database/loaded_extensions.rb', line 27

def has_loaded_extension? extension_name
  raise ExpectedSymbolError, extension_name unless extension_name.is_a? Symbol
  @loaded_extensions.key? extension_name
end

#loaded_extensions ⇒ Object

returns an array of this tables loaded extensions



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# File 'lib/dynamic_migrations/postgres/server/database/loaded_extensions.rb', line 33

def loaded_extensions
  @loaded_extensions.keys
end