Error202
/
yii2-swiftmailer
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

polished Query API

tags/2.0.0-beta
Carsten Brandt 11 years ago
parent
c6347d6d01
commit
679da53390
6 changed files with 125 additions and 81 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      framework/yii/db/Query.php
  2. 33
      framework/yii/elasticsearch/ActiveQuery.php
  3. 1
      framework/yii/elasticsearch/ActiveRecord.php
  4. 6
      framework/yii/elasticsearch/Command.php
  5. 158
      framework/yii/elasticsearch/Query.php
  6. 6
      framework/yii/elasticsearch/QueryBuilder.php

2
framework/yii/db/Query.php
Unescape View File

@ -42,7 +42,7 @@ class Query extends Component implements QueryInterface
/**
* @var array the columns being selected. For example, `['id', 'name']`.
* This is used to construct the SELECT clause in a SQL statement. If not set, if means selecting all columns.
* This is used to construct the SELECT clause in a SQL statement. If not set, it means selecting all columns.
* @see select()
*/
public $select;

33
framework/yii/elasticsearch/ActiveQuery.php
Unescape View File

@ -85,7 +85,7 @@ class ActiveQuery extends Query implements ActiveQueryInterface
{
$command = $this->createCommand($db);
$result = $command->queryAll();
if ($result['total'] == 0) {
if (empty($result['hits'])) {
return [];
}
$models = $this->createModels($result['hits']);
@ -111,19 +111,16 @@ class ActiveQuery extends Query implements ActiveQueryInterface
*/
public function one($db = null)
{
$command = $this->createCommand($db);
$result = $command->queryOne();
if ($result['total'] == 0 || empty($result['hits'])) {
if (($result = parent::one($db)) === false) {
return null;
}
if ($this->asArray) {
$first = reset($result['hits']);
$model = $first['_source'];
$model['primaryKey'] = $first['_id'];
$model = $result['_source'];
$model['primaryKey'] = $result['_id'];
} else {
/** @var ActiveRecord $class */
$class = $this->modelClass;
$model = $class::create(reset($result['hits']));
$model = $class::create($result);
}
if (!empty($this->with)) {
$models = [$model];
@ -132,24 +129,4 @@ class ActiveQuery extends Query implements ActiveQueryInterface
}
return $model;
}
/**
* Returns the query result as a scalar value.
* The value returned will be the specified attribute in the first record of the query results.
* @param string $attribute name of the attribute to select
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `db` application component will be used.
* @return string the value of the specified attribute in the first record of the query result.
* Null is returned if the query result is empty.
*/
public function scalar($attribute, $db = null)
{
$record = $this->one($db);
if ($record !== null) {
return $record->$attribute;
} else {
return null;
}
}
}

1
framework/yii/elasticsearch/ActiveRecord.php
Unescape View File

@ -64,7 +64,6 @@ class ActiveRecord extends \yii\db\ActiveRecord
* @param mixed $primaryKey the primaryKey value
* @param array $options options given in this parameter are passed to elasticsearch
* as request URI parameters.
*
* Please refer to the [elasticsearch documentation](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-get.html)
* for more details on these options.
* @return static|null The record instance or null if it was not found.

6
framework/yii/elasticsearch/Command.php
Unescape View File

@ -59,12 +59,6 @@ class Command extends Component
return Json::decode($response->getBody(true))['hits'];
}
public function queryOne($options = [])
{
$options['size'] = 1;
return $this->queryAll($options);
}
public function queryCount($options = [])
{
$options['search_type'] = 'count';

158
framework/yii/elasticsearch/Query.php
Unescape View File

@ -23,19 +23,36 @@ class Query extends Component implements QueryInterface
use QueryTrait;
/**
* @var array the columns being selected. For example, `array('id', 'name')`.
* This is used to construct the SELECT clause in a SQL statement. If not set, if means selecting all columns.
* @see select()
* @var array the fields being retrieved from the documents. For example, `['id', 'name']`.
* If not set, it means retrieving all fields. An empty array will result in no fields being
* retrieved. This means that only the primaryKey of a record will be available in the result.
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-fields.html#search-request-fields
* @see fields()
*/
public $fields;
/**
* @var string|array The index to retrieve data from. This can be a string representing a single index
* or a an array of multiple indexes. If this is not set, indexes are being queried.
* @see from()
*/
public $select; // TODO fields
public $index;
/**
* @var string|array The type to retrieve data from. This can be a string representing a single type
* or a an array of multiple types. If this is not set, all types are being queried.
* @see from()
*/
public $type;
/**
* @var integer A search timeout, bounding the search request to be executed within the specified time value
* and bail with the hits accumulated up to that point when expired. Defaults to no timeout.
* @see timeout()
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-body.html#_parameters_3
*/
public $timeout;
/**
* Creates a DB command that can be used to execute this query.
* @param Connection $db the database connection used to generate the SQL statement.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return Command the created DB command instance.
*/
@ -51,22 +68,28 @@ class Query extends Component implements QueryInterface
/**
* Executes the query and returns all results as an array.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return array the query results. If the query results in nothing, an empty array will be returned.
*/
public function all($db = null)
{
$rows = $this->createCommand($db)->queryAll();
if ($this->indexBy === null) {
$rows = $this->createCommand($db)->queryAll()['hits'];
if ($this->indexBy === null && $this->fields === null) {
return $rows;
}
$result = [];
foreach ($rows as $row) {
if (is_string($this->indexBy)) {
$key = $row[$this->indexBy];
} else {
$key = call_user_func($this->indexBy, $row);
foreach ($rows as $key => $row) {
if ($this->fields !== null) {
$row['_source'] = isset($row['fields']) ? $row['fields'] : [];
unset($row['fields']);
}
if ($this->indexBy !== null) {
if (is_string($this->indexBy)) {
$key = $row['_source'][$this->indexBy];
} else {
$key = call_user_func($this->indexBy, $row);
}
}
$result[$key] = $row;
}
@ -75,30 +98,40 @@ class Query extends Component implements QueryInterface
/**
* Executes the query and returns a single row of result.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return array|boolean the first row (in terms of an array) of the query result. False is returned if the query
* results in nothing.
*/
public function one($db = null)
{
return $this->createCommand($db)->queryOne();
$options['size'] = 1;
$result = $this->createCommand($db)->queryAll($options);
if (empty($result['hits'])) {
return false;
}
$record = reset($result['hits']);
if ($this->fields !== null) {
$record['_source'] = isset($record['fields']) ? $record['fields'] : [];
unset($record['fields']);
}
return $record;
}
/**
* Returns the query result as a scalar value.
* The value returned will be the specified attribute in the first record of the query results.
* @param string $attribute name of the attribute to select
* The value returned will be the specified field in the first document of the query results.
* @param string $field name of the attribute to select
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `db` application component will be used.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return string the value of the specified attribute in the first record of the query result.
* Null is returned if the query result is empty.
* Null is returned if the query result is empty or the field does not exist.
*/
public function scalar($attribute, $db = null)
public function scalar($field, $db = null)
{
$record = $this->one($db);
if ($record !== null) {
return $record->$attribute;
$record = self::one($db);
if ($record !== false && isset($record['_source'][$field])) {
return $record['_source'][$field];
} else {
return null;
}
@ -106,20 +139,27 @@ class Query extends Component implements QueryInterface
/**
* Executes the query and returns the first column of the result.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param string $field the field to query over
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return array the first column of the query result. An empty array is returned if the query results in nothing.
*/
public function column($db = null)
public function column($field, $db = null)
{
return $this->createCommand($db)->queryColumn();
$query = clone $this;
$rows = $query->fields([$field])->createCommand($db)->queryAll()['hits'];
$result = [];
foreach ($rows as $row) {
$result[] = $row['fields'][$field];
}
return $result;
}
/**
* Returns the number of records.
* @param string $q the COUNT expression. This parameter is ignored by this implementation.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given (or null), the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return integer number of records
*/
public function count($q = '*', $db = null)
@ -138,8 +178,8 @@ class Query extends Component implements QueryInterface
* Returns the sum of the specified column values.
* @param string $q the column name or expression.
* Make sure you properly quote column names in the expression.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return integer the sum of the specified column values
*/
public function sum($q, $db = null)
@ -152,8 +192,8 @@ class Query extends Component implements QueryInterface
* Returns the average of the specified column values.
* @param string $q the column name or expression.
* Make sure you properly quote column names in the expression.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return integer the average of the specified column values.
*/
public function average($q, $db = null)
@ -166,8 +206,8 @@ class Query extends Component implements QueryInterface
* Returns the minimum of the specified column values.
* @param string $q the column name or expression.
* Make sure you properly quote column names in the expression.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return integer the minimum of the specified column values.
*/
public function min($q, $db = null)
@ -180,8 +220,8 @@ class Query extends Component implements QueryInterface
* Returns the maximum of the specified column values.
* @param string $q the column name or expression.
* Make sure you properly quote column names in the expression.
* @param Connection $db the database connection used to generate the SQL statement.
* If this parameter is not given, the `db` application component will be used.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return integer the maximum of the specified column values.
*/
public function max($q, $db = null)
@ -193,7 +233,7 @@ class Query extends Component implements QueryInterface
/**
* Returns a value indicating whether the query result contains any row of data.
* @param Connection $db the database connection used to execute the query.
* If this parameter is not given, the `db` application component will be used.
* If this parameter is not given, the `elasticsearch` application component will be used.
* @return boolean whether the query result contains any row of data.
*/
public function exists($db = null)
@ -213,9 +253,43 @@ class Query extends Component implements QueryInterface
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-delete-by-query.html
}
/**
* Sets the index and type to retrieve documents from.
* @param string|array $index The index to retrieve data from. This can be a string representing a single index
* or a an array of multiple indexes. If this is `null` it means that all indexes are being queried.
* @param string|array $type The type to retrieve data from. This can be a string representing a single type
* or a an array of multiple types. If this is `null` it means that all types are being queried.
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-search.html#search-multi-index-type
*/
public function from($index, $type = null)
{
$this->index = $index;
$this->type = $type;
}
/**
* Sets the fields to retrieve from the documents.
* @param array $fields the fields to be selected.
* @return static the query object itself
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-fields.html
*/
public function fields($fields)
{
$this->fields = $fields;
return $this;
}
/**
* Sets the search timeout.
* @param integer $timeout A search timeout, bounding the search request to be executed within the specified time value
* and bail with the hits accumulated up to that point when expired. Defaults to no timeout.
* @return static the query object itself
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-body.html#_parameters_3
*/
public function timeout($timeout)
{
$this->timeout = $timeout;
return $this;
}
}

6
framework/yii/elasticsearch/QueryBuilder.php
Unescape View File

@ -45,7 +45,7 @@ class QueryBuilder extends \yii\base\Object
public function build($query)
{
$searchQuery = array();
$this->buildSelect($searchQuery, $query->select);
$this->buildFields($searchQuery, $query->fields);
// $this->buildFrom($searchQuery, $query->from);
$this->buildCondition($searchQuery, $query->where);
$this->buildOrderBy($searchQuery, $query->orderBy);
@ -113,9 +113,9 @@ class QueryBuilder extends \yii\base\Object
* @param string $selectOption
* @return string the SELECT clause built from [[query]].
*/
public function buildSelect(&$query, $columns)
public function buildFields(&$query, $columns)
{
if (empty($columns)) {
if ($columns === null) {
return;
}
foreach ($columns as $i => $column) {

Write Preview
Loading…
Cancel
Save