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* How do Exception, do nothing and carry on
@ 2023-07-06 21:47 Shaozhong SHI <[email protected]>
2023-07-06 21:54 ` Re: How do Exception, do nothing and carry on David G. Johnston <[email protected]>
0 siblings, 1 reply; 2+ messages in thread
From: Shaozhong SHI @ 2023-07-06 21:47 UTC (permalink / raw)
To: pgsql-sql <[email protected]>
The function in the following block code may fail.
How to make it to carry on by ignoring exception?
Something like Python's try catch.
for i in (select distinct id from id_table)
loop
raise notice '%', i;
insert into my_table(id, last, arr, count) SELECT i, * from
my_function(i) f(last int, arr int[], count int);
commit;
end loop;
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: How do Exception, do nothing and carry on
2023-07-06 21:47 How do Exception, do nothing and carry on Shaozhong SHI <[email protected]>
@ 2023-07-06 21:54 ` David G. Johnston <[email protected]>
0 siblings, 0 replies; 2+ messages in thread
From: David G. Johnston @ 2023-07-06 21:54 UTC (permalink / raw)
To: Shaozhong SHI <[email protected]>; +Cc: pgsql-sql <[email protected]>
On Thursday, July 6, 2023, Shaozhong SHI <[email protected]> wrote:
> The function in the following block code may fail.
>
> How to make it to carry on by ignoring exception?
>
> Something like Python's try catch.
>
> for i in (select distinct id from id_table)
> loop
> raise notice '%', i;
> insert into my_table(id, last, arr, count) SELECT i, * from
> my_function(i) f(last int, arr int[], count int);
> commit;
>
> end loop;
>
Create a new function that traps [1] the failure and throws it away, then
call that function instead.
[1]
https://www.postgresql.org/docs/current/plpgsql-control-structures.html#PLPGSQL-ERROR-TRAPPING
David J.
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2023-07-06 21:47 How do Exception, do nothing and carry on Shaozhong SHI <[email protected]>
2023-07-06 21:54 ` David G. Johnston <[email protected]>
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