Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| id | INT UNSIGNED | 10 | √ | null |
|
|
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| map_version_id | MEDIUMINT UNSIGNED | 8 | null |
|
|
||||||
| positive | FLOAT | 12 | null |
|
|
The ‘positive’ share of the rating |
|||||
| negative | FLOAT | 12 | null |
|
|
The ‘negative’ share of the rating |
|||||
| score | FLOAT | 12 | null |
|
|
The sum of all scores |
|||||
| reviews | INT | 10 | null |
|
|
The sum of all ‘negative’ and ‘positive’ shares. Equals to the number of reviews. |
|||||
| lower_bound | FLOAT | 12 | null |
|
|
Lower bound of Wilson score confidence interval for a Bernoulli parameter |
|||||
| average_score | FLOAT | 12 | √ | null |
|
|
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| map_version_id | Must be unique | Asc | map_version_id |
| map_version_rev_sum_avg_score_ix | Performance | Asc | average_score |
Relationships
Close relationships within degrees of separation
