SELECT
s.school_id,
s. NAME,
s.school_type,
(
CASE s.school_type
WHEN 3 THEN
'aa'
WHEN 2 THEN
'bb'
END
) 自定義
FROM
franchised_school_info s
SELECT
s.school_id,
s. NAME,
s.school_type,
(
CASE s.school_type
WHEN 3 THEN
'aa'
WHEN 2 THEN
'bb'
END
) 自定義
FROM
franchised_school_info s
01 背 景 播放鏈路是愛奇藝最重要的業務,鏈路穩定性極其重要,隨着愛奇藝用戶的不斷增長和熱播劇集的推廣,播放鏈路往往面臨着難以預估的用戶流量的突增,考