| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Herouth Maoz <herouth(at)oumail(dot)openu(dot)ac(dot)il> |
| Cc: | Dirk Drechsel <drechsel(at)glamus(dot)de>, pgsql-sql(at)postgreSQL(dot)org |
| Subject: | Re: [SQL] unknown error |
| Date: | 1999-10-20 14:25:42 |
| Message-ID: | 12527.940429542@sss.pgh.pa.us |
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| Lists: | pgsql-sql |
Herouth Maoz <herouth(at)oumail(dot)openu(dot)ac(dot)il> writes:
>> The problem is - I cannot start the frontend psql and have following
>> error messages:
>> Connection to database 'postgres' failed.
>> Unsupported frontend protocol.
> The protocol that frontend applications (relying on libraries) use has
> changed some time around 6.4. The message probably means that the frontend
> applications are linked with the newer libraries, and your old 6.3.2
> database can't understand them.
Yes, exactly. You'll need to use a 6.3.2 psql (or at least a 6.3.2
libpq) to talk to your old server. The newer servers still talk to
old clients, but not vice versa...
regards, tom lane
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