Thanks for the reply. OK, let us take this forward on the first one 
(default behaviour). Since the default behaviour is to SET 
standard_conforming_strings=on, is there a need to do it again, for each 
connection/call? It will incur an ever-so-small overhead which can be 
avoided?

On Saturday, November 23, 2013 7:31:00 PM UTC+5:30, Massimo Di Pierro wrote:
>
> You raise two issues:
>
> 1) About
> SET standard_conforming_strings=on
> This is required and in fact as you say it is the default behavior since 
> 9.1. This has nothing to do which locking.
>
> 2) You see exclusive locks. Which locks? Can you say more?
>
>
>
> On Saturday, 23 November 2013 05:53:02 UTC-6, Jayadevan M wrote:
>>
>> I am testing our web2py application with a few concurrent users. While 
>> monitoring the database (PostgreSQL), I can see a number of exclusive 
>> locks. The SQL is 
>> SET standard_conforming_strings=on
>> Is this expected behaviour?
>>
>

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