Re: psycopg2 conn.poll() hangs when used with sshtunnel

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От Akshay Joshi
Тема Re: psycopg2 conn.poll() hangs when used with sshtunnel
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Msg-id CANxoLDf3ra5UaqFw_6A824_hAi5XPykySr+DJre2ZbprbxTCVA@mail.gmail.com
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Ответ на psycopg2 conn.poll() hangs when used with sshtunnel  (Akshay Joshi <akshay.joshi@enterprisedb.com>)
Ответы Re: psycopg2 conn.poll() hangs when used with sshtunnel  (Akshay Joshi <akshay.joshi@enterprisedb.com>)
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Hi Team 

As one issue(https://github.com/psycopg/psycopg2/issues/781) has already been created for conn.poll() function hangs when executes COPY command in async mode. Similarly conn.poll() functions hangs when we run wrong query in async mode using sshtunnel v0.1.3.

Can someone please suggest what went wrong when used sshtunnel, or the pointers/reason where poll() method hangs.    

On Fri, Sep 28, 2018 at 5:43 PM Akshay Joshi <akshay.joshi@enterprisedb.com> wrote:

Hello

I am using psycopg2 2.7.4 to connect to the PostgreSQL database server using asynchronoussupport. It is working absolutely fine. I have used sshtunnel v0.1.3 in pgAdmin4. When I connect the PostgreSQL database server using ssh tunnel and run the valid/correct query it works fine, but when I run any wrong query(invalid column of table) my application gets hang on conn.poll() function.

Please refer the code how we use conn.poll() with timeouts https://git.postgresql.org/gitweb/?p=pgadmin4.git;a=blob;f=web/pgadmin/utils/driver/psycopg2/connection.py;h=4f11c12b30882209c308cb3558e67189c97ea31e;hb=15fe26a7106610b710f3de5b604cd038302c926a#l1363

Can anyone please provide some pointers, suggestions?


--
Akshay Joshi
Sr. Software Architect


Phone: +91 20-3058-9517
Mobile: +91 976-788-8246


--
Akshay Joshi
Sr. Software Architect


Phone: +91 20-3058-9517
Mobile: +91 976-788-8246

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