> On Nov 12, 2019, at 3:47 PM, DrakoRod <drakofla...@hotmail.com> wrote:
> 
> Hi folks! 
> 
> I Have a question, in a database are a table with many files (bytea) stored
> (I support this database a don't design it), but we need delete many rows
> (38000 rows approx),  but I when execute query: 
> 
> BEGIN;
> ALTER TABLE my_file_table DISABLE TRIGGER ALL;
> DELETE FROM my_file_table WHERE id_table <> 230;
> 
> This query hang... 50 minutes and the query do not finish. 
> 
> Any suggestion? 
> 
> 


You don’t mention which version you’re using be I had this trouble long ago on 
version 9 when deleting blobs (toast data).  You can only wait.  Or kill it and 
do smaller batches.




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