On 07/28/2015 04:43 AM, Marc Mamin wrote:
>
>
>2015-07-28 5:24 GMT+02:00 Pavel Stehule <pavel.steh...@gmail.com>:
>
> 2015-07-27 21:57 GMT+02:00 Andrew Dunstan <and...@dunslane.net>:
>
> On 07/27/2015 02:53 PM, Pavel Stehule wrote:
>
> I am trying to run parallel execution
>
> psql -At -c "select datname from pg_database" postgres |
xargs -n 1 -P 3 psql -c "select current_database()"
>
>
>
> I don't think it's going to be a hugely important feature,
but I don't see a problem with creating a new option (-C seems fine)
which would have the same effect as if the arguments were contatenated
into a file which is then used with -f. IIRC -c has some special
characteristics which means it's probably best not to try to extend it
for this feature.
>
>
> ok, I'll try to write patch.
>
>
>I have a question. Can be -C option multiple?
hello,
Have you thought of how to support -1 along with -C ?
> handle the input as with -f
that is, -1 -C would be equivalent to -c
and
psql -1 -C "sql_1; sql_2;" -C "sql_3; sql_4;"
=> ?
BEGIN;
sql_1;
sql_2;
END;
BEGIN;
sql_3;
sql_4;
END;
thoughts ?
The same logic could be added to -f
although I see less advantages as with adding -C
psql -1 -f "file1, file2" -f "file3, file4"
This is way too complex and baroque. -1 should be global. Multiple -C
options should be concatenated. -f should not be touched.
cheers
andrew
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