Module: ActiveRecord::ConnectionAdapters::Rails81AdapterBehavior

Included in:
Rails81Mysql2Adapter, Rails81TrilogyAdapter
Defined in:
lib/active_record/connection_adapters/rails_8_1_adapter_behavior.rb

Defined Under Namespace

Modules: ClassMethods Classes: SchemaCreation

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(adapter_class) ⇒ Object 



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# File 'lib/active_record/connection_adapters/rails_8_1_adapter_behavior.rb', line 17

def self.included(adapter_class)
  adapter_class.const_set(:SchemaCreation, SchemaCreation)
  adapter_class.extend(ClassMethods)
  adapter_class.include ForAlterStatements unless adapter_class.method_defined?(:change_column_for_alter)
end

Instance Method Details

#add_index(table_name, column_name, options = {}) ⇒ Object

add_index is modified from the underlying mysql adapter implementation to ensure we add ALTER TABLE to it



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# File 'lib/active_record/connection_adapters/rails_8_1_adapter_behavior.rb', line 32

def add_index(table_name, column_name, options = {})
  index_definition, = add_index_options(table_name, column_name, **options)
  execute <<-SQL.squish
    ALTER TABLE #{quote_table_name(index_definition.table)}
      ADD #{schema_creation.accept(index_definition)}
  SQL
end

#remove_index(table_name, column_name = nil, **options) ⇒ Object

remove_index is modified from the underlying mysql adapter implementation to ensure we add ALTER TABLE to it



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# File 'lib/active_record/connection_adapters/rails_8_1_adapter_behavior.rb', line 41

def remove_index(table_name, column_name = nil, **options)
  return if options[:if_exists] && !index_exists?(table_name, column_name, **options)

  index_name = index_name_for_remove(table_name, column_name, options)

  execute "ALTER TABLE #{quote_table_name(table_name)} DROP INDEX #{quote_column_name(index_name)}"
end

#schema_creation ⇒ Object 



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# File 'lib/active_record/connection_adapters/rails_8_1_adapter_behavior.rb', line 49

def schema_creation
  self.class::SchemaCreation.new(self)
end