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Sphinx documentation updated.

tags/2.0.0-beta
Klimov Paul 11 years ago
parent
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6 changed files with 109 additions and 49 deletions
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  1. 42
      extensions/sphinx/ActiveQuery.php
  2. 88
      extensions/sphinx/ActiveRecord.php
  3. 2
      extensions/sphinx/ActiveRelation.php
  4. 4
      extensions/sphinx/Connection.php
  5. 4
      extensions/sphinx/Query.php
  6. 18
      extensions/sphinx/README.md

42
extensions/sphinx/ActiveQuery.php
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@ -11,7 +11,47 @@ use yii\db\ActiveQueryInterface;
use yii\db\ActiveQueryTrait;
/**
* Class ActiveQuery
* ActiveQuery represents a Sphinx query associated with an Active Record class.
*
* ActiveQuery instances are usually created by [[ActiveRecord::find()]] and [[ActiveRecord::findBySql()]].
*
* Because ActiveQuery extends from [[Query]], one can use query methods, such as [[where()]],
* [[orderBy()]] to customize the query options.
*
* ActiveQuery also provides the following additional query options:
*
* - [[with()]]: list of relations that this query should be performed with.
* - [[indexBy()]]: the name of the column by which the query result should be indexed.
* - [[asArray()]]: whether to return each record as an array.
*
* These options can be configured using methods of the same name. For example:
*
* ~~~
* $articles = Article::find()->with('source')->asArray()->all();
* ~~~
*
* ActiveQuery allows to build the snippets using sources provided by ActiveRecord.
* You can use [[snippetByModel()]] method to enable this.
* For example:
*
* ~~~
* class Article extends ActiveRecord
* {
* public function getSource()
* {
* return $this->hasOne('db', ArticleDb::className(), ['id' => 'id']);
* }
*
* public function getSnippetSource()
* {
* return $this->source->content;
* }
*
* ...
* }
*
* $articles = Article::find()->with('source')->snippetByModel()->all();
* ~~~
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0

88
extensions/sphinx/ActiveRecord.php
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@ -30,6 +30,7 @@ use Yii;
* @property array $populatedRelations An array of relation data indexed by relation names. This property is
* read-only.
* @property integer $primaryKey The primary key value. This property is read-only.
* @property string $snippet current snippet value for this Active Record instance..
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0
@ -103,7 +104,9 @@ class ActiveRecord extends Model
*/
private $_related = [];
/**
* @var string snippet value for this Active Record instance.
* @var string current snippet value for this Active Record instance.
* It will be filled up automatically when instance found using [[Query::snippetCallback]]
* or [[ActiveQuery::snippetByModel()]].
*/
private $_snippet;
@ -302,27 +305,28 @@ class ActiveRecord extends Model
}
/**
* @param string $query snippet source query
* Returns current snippet value or generates new one from given match.
* @param string $match snippet source query
* @param array $options list of options in format: optionName => optionValue
* @return string snippet value
*/
public function getSnippet($query = null, $options = [])
public function getSnippet($match = null, $options = [])
{
if ($query !== null) {
$this->_snippet = $this->fetchSnippet($query, $options);
if ($match !== null) {
$this->_snippet = $this->fetchSnippet($match, $options);
}
return $this->_snippet;
}
/**
* Builds up the snippet value from the given query.
* @param string $query the full-text query to build snippets for.
* @param string $match the full-text query to build snippets for.
* @param array $options list of options in format: optionName => optionValue
* @return string snippet value.
*/
protected function fetchSnippet($query, $options = [])
protected function fetchSnippet($match, $options = [])
{
return static::callSnippets($this->getSnippetSource(), $query, $options);
return static::callSnippets($this->getSnippetSource(), $match, $options);
}
/**
@ -330,12 +334,12 @@ class ActiveRecord extends Model
* Active Record instance.
* Child classes must implement this method to return the actual snippet source text.
* For example:
* ```php
* ~~~
* public function getSnippetSource()
* {
* return $this->snippetSourceRelation->content;
* }
* ```
* ~~~
* @return string snippet source string.
* @throws \yii\base\NotSupportedException if this is not supported by the Active Record class
*/
@ -364,6 +368,9 @@ class ActiveRecord extends Model
* and implement necessary business logic (e.g. merging the changes, prompting stated data)
* to resolve the conflict.
*
* Warning: optimistic lock will NOT work in case of updating fields (not attributes) for the
* runtime indexes!
*
* @return string the column name that stores the lock version of a table row.
* If null is returned (default implemented), optimistic locking will not be supported.
*/
@ -373,10 +380,10 @@ class ActiveRecord extends Model
}
/**
* Declares which DB operations should be performed within a transaction in different scenarios.
* Declares which operations should be performed within a transaction in different scenarios.
* The supported DB operations are: [[OP_INSERT]], [[OP_UPDATE]] and [[OP_DELETE]],
* which correspond to the [[insert()]], [[update()]] and [[delete()]] methods, respectively.
* By default, these methods are NOT enclosed in a DB transaction.
* By default, these methods are NOT enclosed in a transaction.
*
* In some scenarios, to ensure data consistency, you may want to enclose some or all of them
* in transactions. You can do so by overriding this method and returning the operations
@ -763,20 +770,21 @@ class ActiveRecord extends Model
* This method will call [[insert()]] when [[isNewRecord]] is true, or [[update()]]
* when [[isNewRecord]] is false.
*
* For example, to save a customer record:
* For example, to save an article record:
*
* ~~~
* $customer = new Customer; // or $customer = Customer::find($id);
* $customer->name = $name;
* $customer->email = $email;
* $customer = new Article; // or $customer = Article::find(['id' => $id]);
* $customer->id = $id;
* $customer->genre_id = $genreId;
* $customer->content = $email;
* $customer->save();
* ~~~
*
*
* @param boolean $runValidation whether to perform validation before saving the record.
* If the validation fails, the record will not be saved to database.
* If the validation fails, the record will not be saved.
* @param array $attributes list of attributes that need to be saved. Defaults to null,
* meaning all attributes that are loaded from DB will be saved.
* meaning all attributes that are loaded from index will be saved.
* @return boolean whether the saving succeeds
*/
public function save($runValidation = true, $attributes = null)
@ -789,7 +797,7 @@ class ActiveRecord extends Model
}
/**
* Inserts a row into the associated database table using the attribute values of this record.
* Inserts a row into the associated Sphinx index using the attribute values of this record.
*
* This method performs the following steps in order:
*
@ -798,31 +806,29 @@ class ActiveRecord extends Model
* 2. call [[afterValidate()]] when `$runValidation` is true.
* 3. call [[beforeSave()]]. If the method returns false, it will skip the
* rest of the steps;
* 4. insert the record into database. If this fails, it will skip the rest of the steps;
* 4. insert the record into index. If this fails, it will skip the rest of the steps;
* 5. call [[afterSave()]];
*
* In the above step 1, 2, 3 and 5, events [[EVENT_BEFORE_VALIDATE]],
* [[EVENT_BEFORE_INSERT]], [[EVENT_AFTER_INSERT]] and [[EVENT_AFTER_VALIDATE]]
* will be raised by the corresponding methods.
*
* Only the [[changedAttributes|changed attribute values]] will be inserted into database.
*
* If the table's primary key is auto-incremental and is null during insertion,
* it will be populated with the actual value after insertion.
* Only the [[changedAttributes|changed attribute values]] will be inserted.
*
* For example, to insert a customer record:
* For example, to insert an article record:
*
* ~~~
* $customer = new Customer;
* $customer->name = $name;
* $customer->email = $email;
* $customer->insert();
* $article = new Article;
* $article->id = $id;
* $article->genre_id = $genreId;
* $article->content = $content;
* $article->insert();
* ~~~
*
* @param boolean $runValidation whether to perform validation before saving the record.
* If the validation fails, the record will not be inserted into the database.
* If the validation fails, the record will not be inserted.
* @param array $attributes list of attributes that need to be saved. Defaults to null,
* meaning all attributes that are loaded from DB will be saved.
* meaning all attributes that are loaded from index will be saved.
* @return boolean whether the attributes are valid and the record is inserted successfully.
* @throws \Exception in case insert failed.
*/
@ -877,7 +883,7 @@ class ActiveRecord extends Model
}
/**
* Saves the changes to this active record into the associated database table.
* Saves the changes to this active record into the associated Sphinx index.
*
* This method performs the following steps in order:
*
@ -886,7 +892,7 @@ class ActiveRecord extends Model
* 2. call [[afterValidate()]] when `$runValidation` is true.
* 3. call [[beforeSave()]]. If the method returns false, it will skip the
* rest of the steps;
* 4. save the record into database. If this fails, it will skip the rest of the steps;
* 4. save the record into index. If this fails, it will skip the rest of the steps;
* 5. call [[afterSave()]];
*
* In the above step 1, 2, 3 and 5, events [[EVENT_BEFORE_VALIDATE]],
@ -895,13 +901,13 @@ class ActiveRecord extends Model
*
* Only the [[changedAttributes|changed attribute values]] will be saved into database.
*
* For example, to update a customer record:
* For example, to update an article record:
*
* ~~~
* $customer = Customer::find($id);
* $customer->name = $name;
* $customer->email = $email;
* $customer->update();
* $article = Article::find(['id' => $id]);
* $article->genre_id = $genreId;
* $article->group_id = $groupId;
* $article->update();
* ~~~
*
* Note that it is possible the update does not affect any row in the table.
@ -1012,13 +1018,13 @@ class ActiveRecord extends Model
}
/**
* Deletes the table row corresponding to this active record.
* Deletes the index entry corresponding to this active record.
*
* This method performs the following steps in order:
*
* 1. call [[beforeDelete()]]. If the method returns false, it will skip the
* rest of the steps;
* 2. delete the record from the database;
* 2. delete the record from the index;
* 3. call [[afterDelete()]].
*
* In the above step 1 and 3, events named [[EVENT_BEFORE_DELETE]] and [[EVENT_AFTER_DELETE]]
@ -1298,8 +1304,6 @@ class ActiveRecord extends Model
* This method is called by [[create()]].
* You may override this method if the instance being created
* depends on the row data to be populated into the record.
* For example, by creating a record based on the value of a column,
* you may implement the so-called single-table inheritance mapping.
* @param array $row row data to be populated into the record.
* @return ActiveRecord the newly created active record
*/

2
extensions/sphinx/ActiveRelation.php
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@ -11,7 +11,7 @@ use yii\db\ActiveRelationInterface;
use yii\db\ActiveRelationTrait;
/**
* Class ActiveRelation
* ActiveRelation represents a relation to Sphinx Active Record class.
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0

4
extensions/sphinx/Connection.php
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@ -14,13 +14,13 @@ use yii\base\NotSupportedException;
* Note: although PDO supports numerous database drivers, this class supports only MySQL.
*
* In order to setup Sphinx "searchd" to support MySQL protocol following configuration should be added:
* ```
* ~~~
* searchd
* {
* listen = localhost:9306:mysql41
* ...
* }
* ```
* ~~~
*
* The following example shows how to create a Connection instance and establish
* the Sphinx connection:

4
extensions/sphinx/Query.php
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@ -101,7 +101,7 @@ class Query extends Component implements QueryInterface
* Such callback will receive array of query result rows as an argument and must return the
* array of snippet source strings in the order, which match one of incoming rows.
* For example:
* ```php
* ~~~
* $query = new Query;
* $query->from('idx_item')
* ->match('pencil')
@ -113,7 +113,7 @@ class Query extends Component implements QueryInterface
* return $result;
* })
* ->all();
* ```
* ~~~
*/
public $snippetCallback;
/**

18
extensions/sphinx/README.md
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@ -50,4 +50,20 @@ searchd
This extension supports all Sphinx features including [Runtime Indexes](http://sphinxsearch.com/docs/current.html#rt-indexes).
Since this extension uses MySQL protocol to access Sphinx, it shares base approach and much code from the
regular "yii\db" package.
regular "yii\db" package.
To use this extension, simply add the following code in your application configuration:
```php
return [
//....
'components' => [
'sphinx' => [
'class' => 'yii\sphinx\Connection',
'dsn' => 'mysql:host=127.0.0.1;port=9306;',
'username' => '',
'password' => '',
],
],
];
```
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