Trade combinationsTable
| field | type | foreign key | description | 
|---|---|---|---|
| id | integer | ||
| pattern_id | integer | ||
| result_id | integer | ||
| result_qty | integer | ||
| item_id | integer | ||
| min_qty | integer | ||
| max_qty | integer | ||
| description | varchar | 
| field | type | foreign key | description | 
|---|---|---|---|
| id | integer | ||
| pattern_id | integer | ||
| result_id | integer | ||
| result_qty | integer | ||
| item_id | integer | ||
| min_qty | integer | ||
| max_qty | integer | ||
| description | varchar |