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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
This command drops all the tables of the 'public' schema from the database.
First, it constructs a 'drop table' instruction for each table found in the schema, then it pipes the result to the psql interactive command.
Useful when you have to recreate your schema from scratch in development for example.
I mainly use this command in conjunction with a similar command which drop all sequences as well.
psql -h <pg_host> -p <pg_port> -U <pg_user> <pg_db> -t -c "select 'drop table \"' || tablename || '\" cascade;' from pg_tables where schemaname='public'" | psql -h <pg_host> -p <pg_port> -U <pg_user> <pg_db>
psql -h <ph_host> -p <pg_port> -U <pg_user> <pg_db> -t -c "select 'drop sequence \"' || relname || '\" cascade;' from pg_class where relkind='S'" | psql -h <ph_host> -p <pg_port> -U <pg_user> <pg_db>
See it scripted here : https://gist.github.com/cuberri/6868774#file-postgresql-drop-create-sh
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