[Fuel] How to use postgres database in Fuel

For those who wants to check out the data in Fuel's Postgres database, this document can give a simple guide to do so for the reference.
Here it is:

Find out the postgres docker

[root@fuel /]# docker ps

[root@fuel /]dockerctl fuel-core-7.0-psotgres shell
[root@fuel /]# sudo su - postgres
-bash-4.1$ psql
psql (9.3.5)
Type "help" for help.


So, now we can use postgres sql database!

Use "nailgun" database

postgres=# \c nailgun
You are now connected to database "nailgun" as user "postgres".

List all tables in database

nailgun=# \dt

Look "tasks" table schema

nailgun=# \d tasks       

Use SQL to select the data in table

nailgun=# select * from information_schema.columns where table_name = tasks;


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