# 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/pz4v7ma
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POSTGRESQL 哈希索引性能**
作者簡介Laurenz Albecybertec 公司工程師譯者簡介 王志斌PostgreSQL 愛好者校對者簡介 崔鵬PostgreSQL 愛好者在 PostgreSQL 中有很多種索引類型，其中哈希索引是最廣泛被忽視的。最近有人問我一個關於哈希索引性能的問題，這讓我意識到了這一點。是時候探索一下這個鮮爲人知的 PostgreSQL 角落並進行一些基準測試了！ 哈希索引的歷史------- ⌘ Read more