Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments |
|---|---|---|---|---|---|---|---|---|
| id | bigserial | 19 | √ | nextval('school_districts_id_seq'::regclass) |
|
|
||
| school_code | varchar | 16 | null |
|
|
学校コード |
||
| year | int2 | 5 | null |
|
|
年度 |
||
| area | float8 | 17,17 | null |
|
|
面積(㎡) |
||
| polygon | geometry | 2147483647 | null |
|
|
学区ポリゴン |
||
| created_at | timestamp | 29,6 | CURRENT_TIMESTAMP |
|
|
|||
| updated_at | timestamp | 29,6 | CURRENT_TIMESTAMP |
|
|
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| school_districts_pkey | Primary key | Asc | id |
| idx_school_districts_polygon | Performance | Asc | polygon |
| idx_school_districts_school_code | Must be unique | Asc | school_code |