ERROR:  column "coin" named in key does not exist
```
postgres@ubuntu:~$ psql miningcore < createdb.sql
SET
CREATE TABLE
CREATE INDEX
CREATE INDEX
CREATE INDEX
CREATE TABLE
CREATE INDEX
ERROR:  column "coin" named in key does not exist
LINE 8:  primary key(poolid, address, coin)
         ^
CREATE TABLE
CREATE INDEX
CREATE TABLE
CREATE INDEX
CREATE TABLE
CREATE INDEX
CREATE INDEX
CREATE TABLE
CREATE INDEX
CREATE INDEX
CREATE INDEX
CREATE INDEX

```