Re: PG94RC1- plv8 functions - problem with input parameter length

On Friday, November 28, 2014, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 11/28/2014 07:56 AM, Misa Simic wrote:
>
>> Hi all,
>>
>> We have found a strange problem with plv8 functions in PG94RC1
>>
>> PG 9.3 works fine.
>>
>> in PG94RC1 in plv8 functions regardless what function does i.e.nothing
>>
>> CREATE OR REPLACE FUNCTION test.test_text_length_plv8(in_param1 text)
>> RETURNS text
>> AS
>> $BODY$
>> return 'OK'
>> $BODY$ LANGUAGE plv8;
>>
>> if length of in_param1 is higher then (or equal to) 200 characters
>> connection just brake... current connection and it brakes - other
>> connections as well... Not sure what it does - but all sessions just
>> says server disconnected and we need and can reconect again....
>>
>> ie.
>> SELECT test.test_text_length_plv8('aaaa') works fine
>>
>> SELECT
>> test.test_text_length_plv8('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
>> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
>> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
>> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')
>>
>> exactly 200 chars - just brake conncetion witout any message...but in
>> separate session when we run next command it says:
>>
>> WARNING: terminating connection because of crash of another server
>> process
>> DETAIL: The postmaster has commanded this server process to roll back
>> the current transaction and exit, because another server process exited
>> abnormally and possibly corrupted shared memory.
>> HINT: In a moment you should be able to reconnect to the database and
>> repeat your command.
>>
>> We have tested using pgadmin and psql...
>>
>> Versions:
>> PostgreSQL 9.4rc1 on x86_64-unknown-linux-gnu, compiled by gcc (Ubuntu
>> 4.9.1-16ubuntu6) 4.9.1, 64-bit
>> plv8: 1.5.0-dev1
>>
>> The same version of plv8 on PG9.3 - works fine without problems...
>>
>> Any suggestions?
>>
>
> Have you tried this with another language, say plpgsql, to see if this a
> generic problem or specific to plV8?

Yes, plv8 specific..

Sql, plpgsql, plr, plpythonu work fine...

Though plv8 just produce problems in rc1.. Beta1 no probs....

>
>
>> Thanks,
>>
>> Misa
>>
>>
>>
>>
>>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>