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Active Record 儲存點連線介面

方法
C
E
R

執行個體公用方法

建立_儲存點(name = 目前的_儲存點_名稱)

來源：顯示 | 在 GitHub 上

# File activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb, line 11
def create_savepoint(name = current_savepoint_name)
  internal_execute("SAVEPOINT #{name}", "TRANSACTION")
end

目前的_儲存點_名稱()

來源：顯示 | 在 GitHub 上

# File activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb, line 7
def current_savepoint_name
  current_transaction.savepoint_name
end

執行_復原_到_儲存點(name = 目前的_儲存點_名稱)

來源：顯示 | 在 GitHub 上

# File activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb, line 15
def exec_rollback_to_savepoint(name = current_savepoint_name)
  internal_execute("ROLLBACK TO SAVEPOINT #{name}", "TRANSACTION")
end

釋放_儲存點(name = 目前的_儲存點_名稱)

來源：顯示 | 在 GitHub 上

# File activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb, line 19
def release_savepoint(name = current_savepoint_name)
  internal_execute("RELEASE SAVEPOINT #{name}", "TRANSACTION")
end