Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |
|
|
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| course | BIGINT | 19 | 0 |
|
|
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| criteriatype | BIGINT | 19 | √ | null |
|
|
The criteria type we are aggregating, or NULL if complete course aggregation |
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| method | BIT | 1 | 0 |
|
|
1 = all, 2 = any, 3 = fraction, 4 = unit |
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| value | DECIMAL | 10,5 | √ | null |
|
|
NULL = all/any, 0..1 for method ‘fraction’, > 0 for method ‘unit’ |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| courcompaggrmeth_cou_ix | Performance | Asc | course |
| courcompaggrmeth_coucri_uix | Must be unique | Asc/Asc | course + criteriatype |
| courcompaggrmeth_cri_ix | Performance | Asc | criteriatype |