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Re: dump/restore with a hidden dependency?

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On 08/07/2014 10:00 AM, Chris Curvey wrote:

I’ve done some searching and am coming up empty.  Is there a way to get
pg_restore to apply constraints AFTER loading all the tables

Kinda. PostgreSQL applies constraints with hidden system-level triggers. An easy way to turn them off is to use this syntax:

ALTER TABLE foo DISABLE TRIGGER ALL;

Then you just need to generate one of these for each of your tables, and run it between your table schema restore, and the data import. You can generate a script that does it all with something like this:

COPY (
  SELECT 'ALTER TABLE ' || schemaname || '.' || quote_ident(tablename)
         || ' DISABLE TRIGGER ALL;'
    FROM pg_tables
) TO '/tmp/stop_triggers.sql'

After your data is loaded, just change DISABLE to ENABLE, and run the script again.

--
Shaun Thomas
OptionsHouse, LLC | 141 W. Jackson Blvd. | Suite 800 | Chicago IL, 60604
312-676-8870
sthomas@xxxxxxxxxxxxxxxx

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