# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/5zrtuka
使用 OpenCensus 跟蹤 Gorm 查詢**
Gorm 作爲 Go 語言中很常用的一個 ORM 庫,功能非常強大。應用程序的大量時間都花在通過 gorm 與數據庫連接上面,所以我們想在鏈路跟蹤中獲得更好的視圖。幸運的是,Gorm 有完美的鉤子,我們可以通過 Callbacks API 將跟蹤功能注入到數據庫處理當中。Callbacks API 允許我們爲 Gorm 提供在查詢生命週期的特定部分中執行相應的函數,或者允許您在傳統的中間件方法中更 ⌘ Read more