master
Thomas Rudin 2019-06-13 15:45:13 +02:00
parent 0e6d92bf13
commit 39dd83ad42
2 changed files with 0 additions and 20 deletions

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alter table blocks add column changecount bigint not null default 0;
create index CONCURRENTLY blocks_changecount_index on blocks(changecount);
create or replace function on_blocks_change_count() returns trigger as
$BODY$
BEGIN
NEW.changecount = OLD.changecount + 1;
return NEW;
END;
$BODY$
LANGUAGE plpgsql;
create trigger blocks_update_changecount
before update
on blocks
for each row
execute procedure on_blocks_change_count();

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#!/bin/sh
cat changecount_column.sql | sudo docker-compose exec postgres psql -U postgres