Re: Is ECPG's SET CONNECTION really not thread-aware?

From: Michael Meskes <meskes(at)postgresql(dot)org>
To: "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Is ECPG's SET CONNECTION really not thread-aware?
Date: 2017-06-06 10:20:19
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers

Dear Tsunakawa-san,

sorry for the late reply, I've been traveling all of last week and only
just came back.

>> What does this mean by "not thread-aware?" Does SET CONNECTION in one
>> thread change the current connection in another thread?
>> It doesn't look so, because the connection management and SQL execution
>> in ECPG uses thread-specific data (TSD) to get and set the current connection,
>> like this:

I'm pretty sure it is indeed thread-aware, although I didn't provide the
code for this feature myself.

> So the doc seems to need fix. The patch is attached.

Thanks, applied.


Michael Meskes
Michael at Fam-Meskes dot De, Michael at Meskes dot (De|Com|Net|Org)
Meskes at (Debian|Postgresql) dot Org
Jabber: michael at xmpp dot meskes dot org
VfL Borussia! Força Barça! Go SF 49ers! Use Debian GNU/Linux, PostgreSQL

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message Rafia Sabih 2017-06-06 10:29:30 Re: Proposal : For Auto-Prewarm.
Previous Message Neha Sharma 2017-06-06 10:18:02 Re: Proposal : For Auto-Prewarm.