Re: [psycopg] speed concerns with executemany()

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От Adrian Klaver
Тема Re: [psycopg] speed concerns with executemany()
Дата
Msg-id 62236782-f14e-f035-cb48-671a1a6c3090@aklaver.com
обсуждение исходный текст
Ответ на Re: [psycopg] speed concerns with executemany()  (Christophe Pettus <xof@thebuild.com>)
Список psycopg
On 12/23/2016 04:59 PM, Christophe Pettus wrote:
>
>> On Dec 23, 2016, at 16:58, Adrian Klaver <adrian.klaver@aklaver.com> wrote:
>> I understood it did:
>>
>> http://initd.org/psycopg/docs/usage.html#transactions-control
>>
>> "It is possible to set the connection in autocommit mode: this way all the commands executed will be immediately
committedand no rollback is possible. A few commands (e.g. CREATE DATABASE, VACUUM...) require to be run outside any
transaction:in order to be able to run these commands from Psycopg, the connection must be in autocommit mode: you can
usethe autocommit property (set_isolation_level() in older versions)." 
>
> My somewhat garbled thought was that each of the component INSERTs in the .executemany would be getting its own
transactionunless the connection was set to autocommit... but I'll admit I haven't tested it. 

Don't you mean?:
My somewhat garbled thought was that each of the component INSERTs in
the .executemany would be getting its own transaction if the connection
was set to autocommit... but I'll admit I haven't tested it.

>
> --
> -- Christophe Pettus
>    xof@thebuild.com
>


--
Adrian Klaver
adrian.klaver@aklaver.com


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