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98 lines
1.8 KiB
Markdown
98 lines
1.8 KiB
Markdown
# SQL Query Builder
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###### Verwendete Libraries
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* **Aura.SqlQuery**:
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* Composer: `aura/sqlquery:2.7.*`
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* Packagist: https://packagist.org/packages/aura/sqlquery
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* GitHub: https://github.com/auraphp/Aura.SqlQuery
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* Docs: https://github.com/auraphp/Aura.SqlQuery/tree/2.x
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## Query Builder erzeugen
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```php
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$select = $db->select();
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$update = $db->update();
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$insert = $db->insert();
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$delete = $db->delete();
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```
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## SELECT-Query
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https://github.com/auraphp/Aura.SqlQuery/tree/2.x#select
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###### Beispiel mit Named-Placeholder
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```php
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$select = $db->select();
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$select
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->cols(['u.id', 'u.description'])
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->from('user AS u')
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->where('u.id = :user_id')
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->bindValue('user_id', 1);
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$result = $db->fetchAll(
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$select->getStatement(),
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$select->getBindValues()
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);
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var_export($result);
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// array(
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// 0 => array(
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// 'id' => 1,
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// 'description' => 'Administrator',
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// ),
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// )
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```
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###### Alternative mit ?-Placeholder
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```php
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$select = $db->select();
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$select
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->cols(['u.id', 'u.description'])
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->from('user AS u')
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->where('u.id = ?', 1);
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```
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###### Beispiel mit Verschachtelung im WHERE
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```php
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$select = $db->select();
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$select
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->cols(['u.id', 'u.description'])
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->from('user AS u')
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->where('u.activ = ?', 1)
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->where(function (SelectQuery $query) {
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$query->where('u.type = ?', 'admin')
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->orWhere('u.type = ?', 'standard');
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});
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echo $select->getStatement();
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```
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```sql
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SELECT
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`u`.`id`,
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`u`.`description`
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FROM
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`user` AS `u`
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WHERE
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`u`.`activ` = :_1_1_
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AND (
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`u`.`type` = :_1_2_
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OR `u`.`type` = :_1_3_
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)
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```
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## INSERT-Query
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https://github.com/auraphp/Aura.SqlQuery/tree/2.x#insert
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## UPDATE-Query
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https://github.com/auraphp/Aura.SqlQuery/tree/2.x#update
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## DELETE-Query
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https://github.com/auraphp/Aura.SqlQuery/tree/2.x#delete
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