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https://levy5307.github.io/blog/
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postgres varlena和toast机制 #78

Open levy5307 opened 7 months ago

levy5307 commented 7 months ago

https://levy5307.github.io/blog/postgres-varlena-toast/?

varlena

通用结构

varattrib_1b

varattrib_4b

varattrib_1b_e

toast

写入

切片策略

PLAIN(p)

EXTENDED(x)

EXTERNAL(e)

MAIN(m)