У меня есть существующая схема для вариантов продуктов.
Я хочу создать комбинацию каждого времени производства, количества и вариантов вариации.
Я создам форму выбора, получая доступ к количествам, срокам производства, вариациям и вариантам вариаций продукта.
группы_таблиц
+------------+
| id | title |
+----+-------+
| 1 | rug |
+----+-------+
стол_дней
+----+----------+------+
| id | group_id | day |
+----+----------+------+
| 1 | 1 | 1 |
| 2 | 1 | 2 |
| 3 | 1 | 3 |
+----+----------+------+
table_quantities
+----+----------+-----------+
| id | group_id | quantity |
+----+----------+-----------+
| 1 | 1 | 100 |
| 2 | 1 | 200 |
| 3 | 1 | 300 |
| 4 | 1 | 400 |
+----+----------+-----------+
table_attributes
+----+----------+-----------+
| id | group_id | title |
+----+----------+-----------+
| 1 | 1 | Color |
| 2 | 1 | Size |
+----+----------+-----------+
table_attribute_values
+----+----------+--------------+--------+
| id | group_id | attribute_id | title |
+----+----------+--------------+--------+
| 1 | 1 | 1 | Red |
| 2 | 1 | 1 | Yellow |
| 3 | 1 | 1 | Black |
| 4 | 1 | 2 | Small |
| 5 | 1 | 2 | Medium |
+----+----------+--------------+--------+
Я подготовил примерную схему. Однако я не получаю желаемого результата.
Вот что я сделал:
SELECT
GROUP_CONCAT(DISTINCT days_group) as days_list,
GROUP_CONCAT(DISTINCT quantities_group SEPARATOR ',') as quantities_list,
GROUP_CONCAT(DISTINCT attribute_values_group SEPARATOR ',') as attribute_values_list
FROM
table_groups
LEFT JOIN (
SELECT days.day, days.group_id,
GROUP_CONCAT(days.day) as days_group
FROM table_days days GROUP BY days.id
) joindays ON joindays.group_id = table_groups.id
LEFT JOIN (
SELECT quantities.quantity, quantities.group_id,
GROUP_CONCAT(quantities.quantity) as quantities_group
FROM table_quantities quantities GROUP BY quantities.id
) joinquantities ON joinquantities.group_id = table_groups.id
LEFT JOIN table_attributes attributes ON attributes.group_id = table_groups.id
LEFT JOIN (
SELECT attribute_id, group_id,
GROUP_CONCAT(attribute_values.title) as attribute_values_group
FROM table_attribute_values attribute_values
GROUP BY attribute_values.attribute_id, attribute_values.id
) joinattributevalues ON joinattributevalues.attribute_id = attributes.id
GROUP BY joinattributevalues.attribute_id;
Результаты запроса:
+---------------+-----------+-----------------+-----------------------+
| group_id | days_list | quantities_list | attribute_values_list |
+---------------+-----------+-----------------+-----------------------+
| 1 | 1,2,3 | 100,200,300,400 | Red,Yellow,Black |
| 2 | 1,2,3 | 100,200,300,400 | Small,Medium |
+---------------+-----------+-----------------+-----------------------+
Правильный результат, который я хочу, должен быть следующим. Вы можете помочь с этим?
+-----------+---------------------+--------+
| group_id | combinations | price |
+-----------+---------------------+--------+
| 1 | 1-100-Red-Small | |
+-----------+---------------------+--------+
| 1 | 1-100-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 1-100-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 1-100-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 1-100-Black-Small | |
+-----------+---------------------+--------+
| 1 | 1-100-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 1-200-Red-Small | |
+-----------+---------------------+--------+
| 1 | 1-200-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 1-200-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 1-200-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 1-200-Black-Small | |
+-----------+---------------------+--------+
| 1 | 1-200-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 1-300-Red-Small | |
+-----------+---------------------+--------+
| 1 | 1-300-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 1-300-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 1-300-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 1-300-Black-Small | |
+-----------+---------------------+--------+
| 1 | 1-300-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 1-400-Red-Small | |
+-----------+---------------------+--------+
| 1 | 1-400-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 1-400-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 1-400-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 1-400-Black-Small | |
+-----------+---------------------+--------+
| 1 | 1-400-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 2-100-Red-Small | |
+-----------+---------------------+--------+
| 1 | 2-100-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 2-100-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 2-100-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 2-100-Black-Small | |
+-----------+---------------------+--------+
| 1 | 2-100-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 2-200-Red-Small | |
+-----------+---------------------+--------+
| 1 | 2-200-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 2-200-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 2-200-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 2-200-Black-Small | |
+-----------+---------------------+--------+
| 1 | 2-200-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 2-300-Red-Small | |
+-----------+---------------------+--------+
| 1 | 2-300-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 2-300-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 2-300-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 2-300-Black-Small | |
+-----------+---------------------+--------+
| 1 | 2-300-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 2-400-Red-Small | |
+-----------+---------------------+--------+
| 1 | 2-400-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 2-400-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 2-400-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 2-400-Black-Small | |
+-----------+---------------------+--------+
| 1 | 2-400-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 3-100-Red-Small | |
+-----------+---------------------+--------+
| 1 | 3-100-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 3-100-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 3-100-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 3-100-Black-Small | |
+-----------+---------------------+--------+
| 1 | 3-100-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 3-200-Red-Small | |
+-----------+---------------------+--------+
| 1 | 3-200-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 3-200-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 3-200-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 3-200-Black-Small | |
+-----------+---------------------+--------+
| 1 | 3-200-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 3-300-Red-Small | |
+-----------+---------------------+--------+
| 1 | 3-300-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 3-300-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 3-300-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 3-300-Black-Small | |
+-----------+---------------------+--------+
| 1 | 3-300-Black-Medium | |
+-----------+---------------------+--------+
| 1 | 3-400-Red-Small | |
+-----------+---------------------+--------+
| 1 | 3-400-Red-Medium | |
+-----------+---------------------+--------+
| 1 | 3-400-Yellow-Small | |
+-----------+---------------------+--------+
| 1 | 3-400-Yellow-Medium | |
+-----------+---------------------+--------+
| 1 | 3-400-Black-Small | |
+-----------+---------------------+--------+
| 1 | 3-400-Black-Medium | |
+-----------+---------------------+--------+
Примечание. Количество групп, атрибутов и значений атрибутов не ограничено. Результат примера может быть примерно таким:
Attributes:
+-------+------+-------+--------+
| Color | Size | Model | Gender |
+-------+------+-------+--------+
Combinations:
+------------------------------+
| 1-100-Red-Small-Model 1-Male |
+------------------------------+
| 1-100-Red-Small-Model 2-Male |
+------------------------------+
Не обязательно делать это с SQL-запросом. Мы также можем сделать это с помощью метода Laravel Query Builder.
Заранее спасибо за помощь.