Re: ERROR: cache lookup failed for type

Adrian,

Doing upgrade from source.

Thanks,

Stuart
On Aug 17, 2015 6:11 PM, "Adrian Klaver" <adrian(dot)klaver(at)aklaver(dot)com> wrote:

> On 08/16/2015 09:46 PM, Stuart wrote:
>
>> On 08/17/2015 08:08 AM, Adrian Klaver wrote:
>>
>>> So this is what you did when you started with the Alpha 1 database,
>>> correct?
>>>
>>> When you went to Alpha 2 you just installed the new program over the
>>> existing Alpha 1, but left the data directory as is and then ran into
>>> the error, correct?
>>>
>>> You then did a dump of the Alpha 1 or other(?) existing database and
>>> then a restore into the Alpha 2(the reload above) at which point the
>>> error went away, correct?
>>>
>>
>> Adrian, that is correct. More precisely, the steps taken were the
>> following which I now see where I may have potentially introduced the
>> error:
>>
>> upgrade from prostgres 9.4.4 to 9.5alpha1
>>
>> pg_dumpall > file.sql
>> pg_ctl stop
>> upgrade postgres 9.5alpha1
>> rm -r /pgdir/*
>> initdb -D /pgdir/
>> pg_ctl start -D /pgdir/
>> psql template1 -f file.sql
>>
>>
>> upgrade from postgres 9.5alpha1 to 9.5alpha2
>>
>> upgrade postgres 9.5alpha1
>> pg_ctl stop
>> pg_ctl start -D /pgdir/
>>
>>
>> Now I see that not stopping the database prior to the upgrade may have
>> introduced the problem eventhough I don't understand the internals. I
>> did do another pg_ctl stop/start after upgrade just to see if that would
>> fix but it didn't.
>>
>
> Yeah, I would say all bets are off when overwriting a running database.
>
> How are you doing the upgrade, from a package or source?
>
> I now the .deb packages allow for running multiple versions concurrently
> and I believe that yum can work that way also. If building from source you
> can do something like --prefix=/usr/local/pgsql94 in configure to separate
> versions. Then you just have to change the port in postgresql.conf to have
> multiple versions on a machine. Somewhat less dangerous then deleting $DATA.
>
>
>
>> I just did the following steps, and now no error:
>>
>> pg_dumpall > file.sql
>> pg_ctl stop
>> rm -r /pgdir/*
>> initdb -D /pgdir/
>> pg_ctl start -D /pgdir/
>> psql template1 -f file.sql
>>
>> logged into db and recreated the function
>>
>> psql db
>> create function ds_stats...
>>
>>
>>
>>
>> Thanks,
>>
>> Stuart
>>
>>
>>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>