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TNS:packet writer failure
see ORA-12699
missing right parenthesis
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quoted string not properly terminated

RE: query slow in 9i, but not slow in 8i

Jamadagni, Rajendra

2004-03-02

Replies:
removing redundant "distinct" might help in this query too ...

Raj
--------------------------------------------------------------------------------
Rajendra dot Jamadagni at nospamespn dot com
All Views expressed in this email are strictly personal.
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QOTD: Any clod can have facts, having an opinion is an art !


-----Original Message-----
Guang Mei wrote:

> I understand that the cost value does not mean anything. But from my
> experience, when I see a query's cost from explain plan reaches six
> digits, usually something is not right.
>
> Anyway the actual query has much more stuff in it. The sql I showed in my
> orginal post was only part of it and that was the part that slowed the thing down.
> I can not run the sql on 9i now since they are other stuff running. But
> the orgianl complex query took 20 minutes to finish on 8i, and the
> exact query produced this in 9i's alert log file:
>
> ORA-01555 caused by SQL statement below (Query Duration=199335 sec, SCN:
> 0x0000.01db218e):
> Sun Feb 29 23:20:46 2004
> select distinct accession, id
> from   (
> select distinct to_char(PID) accession, identifier.ID
> from   mt.genbankinfo, mt.seqtable, mt.identifier
> where  seqtable.ID = genbankinfo.SeqtabID
>      and   seqtable.GeneID = identifier.GeneID
>      and   PID is not null
>      and   identifier.type != 'A'
>      and   identifier.speciesid in
> (24,31,2,19,18,17,23,21,27,32,20,34,30,22,25,26,28,29)
>      and   nvl(seqtable.valid, 'Y') != 'N'
> union all
> select distinct upper(strings.strtok(protein_id, '.')) accession,
>      identifier.id
> from   mt.genbankinfo, mt.seqtable, mt.identifier
> where  seqtable.ID = genbankinfo.SeqtabID
>      and   seqtable.GeneID = identifier.GeneID
>      and   protein_id is not null
>      and   identifier.t
> .....
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