Re: autovacuum and TOAST tables

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От Tom Lane
Тема Re: autovacuum and TOAST tables
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Msg-id 10824.1218495517@sss.pgh.pa.us
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Ответ на Re: autovacuum and TOAST tables  (Alvaro Herrera <alvherre@commandprompt.com>)
Ответы Re: autovacuum and TOAST tables  (Tom Lane <tgl@sss.pgh.pa.us>)
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Alvaro Herrera <alvherre@commandprompt.com> writes:
> BTW only now I notice that CLUSTER leaves the toast table name in bad
> shape: if you create a table with OID X its TOAST table is named
> pg_toast_X.  If you then cluster this table, a new transient table gets
> created with OID Y; the TOAST table for Y is named pg_toast_Y, and then
> this new TOAST table is used as the new TOAST table for the original
> table X.  So you end up with table OID X having TOAST table pg_toast_Y.

Hmm, we could probably fix that if we made the cluster operation swap
the physical storage of the two toast tables, rather than swapping the
tables altogether.  I agree it's not critical but it could be confusing.
        regards, tom lane


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