> Because a dropped column is ... still present to the system and it will still affect the 1600 limit.
うんうん。
> Dropping the table and restoring from a backup would bring it to sanity
えー……。
https://www.postgresql.org/message-id/20040627194352.GA2910@dcc.uchile.cl
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VACUUM FULLは it writes a new copy of the table っていってるじゃんかー。(ダメだった)
