Обсуждение: Issue with delete

Good day everyone,

I have few tables where i need to delete above 50 million rows each. Since i dont want to delete them all in one shot and block my table for extended time, i am trying to use limit with delete but its giving me error every time. May i please get some assistance here? Thanks

Here is what i am running:

delete from mytable where id in (select id from mytable where condition=true limit 1000);

where i run this, i get following error:

    Error: current transaction is aborted, commands ignored until end of transaction block.

SQL state: 25P02.

I am running it in RDS.

TIA, Best,

Rohit

This message stems from a previous error within the same transaction. Unlike Oracle, PostgreSQL cannot execute commands within a transaction after an error has occurred.

Make sure that this statement is the first in your transaction or use it in autocommit mode.

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Am 24.06.21 um 11:08 schrieb Rohit Rajput:

Good day everyone,

I have few tables where i need to delete above 50 million rows each. Since i dont want to delete them all in one shot and block my table for extended time, i am trying to use limit with delete but its giving me error every time. May i please get some assistance here? Thanks

Here is what i am running:

delete from mytable where id in (select id from mytable where condition=true limit 1000);

Wouldn't "delete from mytable where condition=true limit 1000" be sufficient?

Regards
Dimitre

Le jeu. 24 juin 2021 à 16:02, Radoulov, Dimitre <cichomitiko@gmail.com> a écrit :

Am 24.06.21 um 11:08 schrieb Rohit Rajput:

Good day everyone,

I have few tables where i need to delete above 50 million rows each. Since i dont want to delete them all in one shot and block my table for extended time, i am trying to use limit with delete but its giving me error every time. May i please get some assistance here? Thanks

Here is what i am running:

delete from mytable where id in (select id from mytable where condition=true limit 1000);

Wouldn't "delete from mytable where condition=true limit 1000" be sufficient?

That syntax doesn't exist.

I should have tried the statement before asking, thanks!
I got confused by other databases (used it on Db2).

Best regards
Dimitre