Re: [SQL] Duplicate tuples with unique index - Mailing list pgsql-sql

From Palle Girgensohn
Subject Re: [SQL] Duplicate tuples with unique index
Date
Msg-id 388F0DC6.49A8C61@partitur.se
Whole thread Raw
In response to Re: [SQL] Duplicate tuples with unique index  (Palle Girgensohn <girgen@partitur.se>)
List pgsql-sql
Tom Lane wrote:
> 

Thanks for the info. Very interesting reading!

> Bruce thinks that the pg_upgrade script will ensure that the system-
> table tuples are all in frozen states (by VACUUMing them).  I don't
> trust it worth a dime, myself.  Maybe it will work, but it hasn't been
> proven in the field.  So, if you'd like to try it, by all means do so
> --- but make a pg_dump backup first!  And let us know whether you have
> problems or not!

I never tried it; I did an old fashion dump+initdb+restore. So, we will not know whether pg_upgrade is OK or not, at
leastfor now. :(
 

Regards,
Palle


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