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https://github.com/grinat/yii2-union-data-provider
Data provider which joins different tables via union
https://github.com/grinat/yii2-union-data-provider
Last synced: about 1 month ago
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Data provider which joins different tables via union
- Host: GitHub
- URL: https://github.com/grinat/yii2-union-data-provider
- Owner: grinat
- License: mit
- Created: 2018-04-25T18:11:09.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2018-11-09T10:56:56.000Z (about 6 years ago)
- Last Synced: 2024-04-17T06:48:50.840Z (8 months ago)
- Language: PHP
- Size: 6.84 KB
- Stars: 2
- Watchers: 2
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
Installation
------------
The preferred way to install this extension is through [composer](http://getcomposer.org/download/).
Either run
```
php composer.phar require --prefer-dist grinat/yii2-union-data-provider
```
or add
```
"grinat/yii2-union-data-provider": "^0.1.0"
```
to the require section of your `composer.json` file.
or
```
php /usr/bin/composer require --prefer-dist grinat/yii2-union-data-provider
```
or
```
php your_composer_path require --prefer-dist grinat/yii2-union-data-provider
```
Usage
------------
```
use grinat\uniondataprovider\UnionDataProvider;
use yii\base\Model;
class ListOfActivityUnionModel extends Model{
public function search()
{
$dataProvider = new UnionDataProvider([
// model which attributes use for sort data
'searchModel' => $this,
'options' => [
// needed fields
'select' => 'id,comment,created_at,user_id',
'union' => [
[
// set in class path to model
'class' => 'app\modules\recipe\models\RecipeComment',
// aliases for fields which have diiferent name
// was return in that example as relationColumn
// if the names are the same, specify them in select
'selectAs' => ['recipe_id' => 'relationColumn'],
// set relation of you need corresponds to $query->width('createdUser')
// if in relation used column with alias, set it as [alias => relationName]
'withRel' => ['createdUser', 'relationColumn' => 'recipe']
],
[
'class' => 'app\modules\coach\models\CoachDietReview',
'selectAs' => ['diet_id' => 'relationColumn'],
'withRel' => ['createdUser', 'relationColumn' => 'diet']
],
[
'class' => 'app\modules\coach\models\CoachReview',
'selectAs' => ['coach_id' => 'relationColumn'],
'withRel' => ['createdUser', 'relationColumn' => 'coach.createdUser']
]
]
],
'sort' => [
'defaultOrder' => ['created_at' => SORT_DESC],
],
// string Set null if need primaryKey for relWith from data scheme
// 'unionRelsPk' => 'id',
// Return data from provider As array or not
// 'asArray' => false,
// Set false if dont need duplicates
// 'unionAll' => false,
// if needed correct data-key in GrigView and etc
// 'key' => 'id'
]);
return $dataProvider;
}
}
```
The execute query is:
```
SELECT *
FROM ((SELECT "id",
"comment",
"created_at",
"user_id",
Concat('0') AS union_index,
"recipe_id" AS "relationColumn"
FROM "recipe_comment")
UNION ALL
(SELECT "id",
"comment",
"created_at",
"user_id",
Concat('1') AS union_index,
"diet_id" AS "relationColumn"
FROM "coach_diet_review")
UNION ALL
(SELECT "id",
"comment",
"created_at",
"user_id",
Concat('2') AS union_index,
"coach_id" AS "relationColumn"
FROM "coach_review")) "dummy_table"
ORDER BY "created_at" DESC
LIMIT 10
```
With queries
```sql
SELECT * FROM "user" WHERE "id" IN (5, 13, 3)
SELECT * FROM "recipe_recipe" WHERE "id" IN (1, 2, 18, 9)
...etc
```