| Column | Data Type | Description |
|---|---|---|
| id | uint | formal id in GitHub |
| ref | string | repository name |
| owner | string | repository owner |
| language | string | main programming language of the repository |
| default_branch | string | default branch of the repository |
| is_fork | bool | whether the repository is forked from another one |
| is_archive | bool | whether the repository is archived |
| is_template | bool | whether the repository is a template repository |
| org_proj | bool | whether the repository is maintained by a orgnization |
| size | uint | storage space size |
| star_count | uint | number of stars |
| fork_count | uint | number of repositories that is forked from this one |
| create_at | uint | create time (in UNIX timestamp) |
| update_at | uint | last update time (in UNIX timestamp) |