MongoDB Capped collection equivalent in PostgreSQL -


the basics of mongodb capped collections let set maximum size of table , system clear old data when size limit reached.

has came similar setup in postgresql , used in production?

haven't heard of that. guess simulate capped table size or circular queue using:

especially interesting (from perspective) bovine's response (ie @ non-accepted answers).

with introduction of column table represent index "collection" , sequence column, each upsert can based on condition:

where index = (sequence.nextval % max collection size)

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