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Fixes #4938: When yii\db\ActiveQuery is used to build sub-queries, its WHERE clause is not correctly generated

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Qiang Xue
2014-09-12 16:46:12 -04:00
parent 91e41b0470
commit b9c97ff2aa
7 changed files with 97 additions and 78 deletions
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1
framework/CHANGELOG.md
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@ -90,6 +90,7 @@ Yii Framework 2 Change Log
- Bug #4813: Fixed MSSQL schema that was getting incorrect info about constraints (samdark, SerjRamone, o-rey)
- Bug #4880: Return value of yii\web\Request::getPrefferedLanguage() was a normalized value instead of a valid language value from the input array (cebe)
- Bug #4920: `yii\filters\auth\CompositeAuth` should not trigger error as long as one of the methods succeeds (qiangxue)
- Bug #4938: When `yii\db\ActiveQuery` is used to build sub-queries, its WHERE clause is not correctly generated (qiangxue)
- Bug #4954: MSSQL column comments are not retrieved correctly (SerjRamone)
- Bug #4970: `joinWith()` called by a relation was ignored by `yii\db\ActiveQuery` (stepanselyuk)
- Bug #5001: `yii\rest\CreateAction`, `yii\rest\UpdateAction` and `yii\rest\DeleteAction` should throw 500 error if the model operation returns false without validation errors (qiangxue)

117
framework/db/ActiveQuery.php
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@ -133,8 +133,12 @@ class ActiveQuery extends Query implements ActiveQueryInterface
/**
* @inheritdoc
*/
public function prepareBuild($builder)
public function prepare($builder)
{
// NOTE: because the same ActiveQuery may be used to build different SQL statements
// (e.g. by ActiveDataProvider, one for count query, the other for row data query,
// it is important to make sure the same ActiveQuery can be used to build SQL statements
// multiple times.
if (!empty($this->joinWith)) {
$this->buildJoinWith();
$this->joinWith = null; // clean it up to avoid issue https://github.com/yiisoft/yii2/issues/2687
@ -162,12 +166,50 @@ class ActiveQuery extends Query implements ActiveQueryInterface
break;
}
}
if ($this->primaryModel === null) {
// eager loading
$query = Query::create($this);
} else {
// lazy loading of a relation
$where = $this->where;
if ($this->via instanceof self) {
// via pivot table
$viaModels = $this->via->findPivotRows([$this->primaryModel]);
$this->filterByModels($viaModels);
} elseif (is_array($this->via)) {
// via relation
/* @var $viaQuery ActiveQuery */
list($viaName, $viaQuery) = $this->via;
if ($viaQuery->multiple) {
$viaModels = $viaQuery->all();
$this->primaryModel->populateRelation($viaName, $viaModels);
} else {
$model = $viaQuery->one();
$this->primaryModel->populateRelation($viaName, $model);
$viaModels = $model === null ? [] : [$model];
}
$this->filterByModels($viaModels);
} else {
$this->filterByModels([$this->primaryModel]);
}
$query = Query::create($this);
$this->where = $where;
}
if (!empty($this->on)) {
$query->andWhere($this->on);
}
return $query;
}
/**
* @inheritdoc
*/
public function prepareResult($rows)
public function populate($rows)
{
if (empty($rows)) {
return [];
@ -242,7 +284,7 @@ class ActiveQuery extends Query implements ActiveQueryInterface
{
$row = parent::one($db);
if ($row !== false) {
$models = $this->prepareResult([$row]);
$models = $this->populate([$row]);
return reset($models) ?: null;
} else {
return null;
@ -256,32 +298,6 @@ class ActiveQuery extends Query implements ActiveQueryInterface
* @return Command the created DB command instance.
*/
public function createCommand($db = null)
{
if ($this->primaryModel === null) {
// not a relational context or eager loading
if (!empty($this->on)) {
$where = $this->where;
$this->andWhere($this->on);
$command = $this->createCommandInternal($db);
$this->where = $where;
return $command;
} else {
return $this->createCommandInternal($db);
}
} else {
// lazy loading of a relation
return $this->createRelationalCommand($db);
}
}
/**
* Creates a DB command that can be used to execute this query.
* @param Connection|null $db the DB connection used to create the DB command.
* If null, the DB connection returned by [[modelClass]] will be used.
* @return Command the created DB command instance.
*/
protected function createCommandInternal($db)
{
/* @var $modelClass ActiveRecord */
$modelClass = $this->modelClass;
@ -299,47 +315,6 @@ class ActiveQuery extends Query implements ActiveQueryInterface
return $db->createCommand($sql, $params);
}
/**
* Creates a command for lazy loading of a relation.
* @param Connection|null $db the DB connection used to create the DB command.
* @return Command the created DB command instance.
*/
private function createRelationalCommand($db = null)
{
$where = $this->where;
if ($this->via instanceof self) {
// via pivot table
$viaModels = $this->via->findPivotRows([$this->primaryModel]);
$this->filterByModels($viaModels);
} elseif (is_array($this->via)) {
// via relation
/* @var $viaQuery ActiveQuery */
list($viaName, $viaQuery) = $this->via;
if ($viaQuery->multiple) {
$viaModels = $viaQuery->all();
$this->primaryModel->populateRelation($viaName, $viaModels);
} else {
$model = $viaQuery->one();
$this->primaryModel->populateRelation($viaName, $model);
$viaModels = $model === null ? [] : [$model];
}
$this->filterByModels($viaModels);
} else {
$this->filterByModels([$this->primaryModel]);
}
if (!empty($this->on)) {
$this->andWhere($this->on);
}
$command = $this->createCommandInternal($db);
$this->where = $where;
return $command;
}
/**
* Joins with the specified relations.
*
@ -552,13 +527,11 @@ class ActiveQuery extends Query implements ActiveQueryInterface
// via table
$this->joinWithRelation($parent, $via, $joinType);
$this->joinWithRelation($via, $child, $joinType);
return;
} elseif (is_array($via)) {
// via relation
$this->joinWithRelation($parent, $via[1], $joinType);
$this->joinWithRelation($via[1], $child, $joinType);
return;
}

2
framework/db/BatchQueryResult.php
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@ -144,7 +144,7 @@ class BatchQueryResult extends Object implements \Iterator
$rows[] = $row;
}
return $this->query->prepareResult($rows);
return $this->query->populate($rows);
}
/**

36
framework/db/Query.php
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@ -129,9 +129,11 @@ class Query extends Component implements QueryInterface
* This method is called by [[QueryBuilder]] when it starts to build SQL from a query object.
* You may override this method to do some final preparation work when converting a query into a SQL statement.
* @param QueryBuilder $builder
* @return Query a prepared query instance which will be used by [[QueryBuilder]] to build the SQL
*/
public function prepareBuild($builder)
public function prepare($builder)
{
return $this;
}
/**
@ -202,7 +204,7 @@ class Query extends Component implements QueryInterface
public function all($db = null)
{
$rows = $this->createCommand($db)->queryAll();
return $this->prepareResult($rows);
return $this->populate($rows);
}
/**
@ -212,7 +214,7 @@ class Query extends Component implements QueryInterface
* @param array $rows the raw query result from database
* @return array the converted query result
*/
public function prepareResult($rows)
public function populate($rows)
{
if ($this->indexBy === null) {
return $rows;
@ -372,7 +374,7 @@ class Query extends Component implements QueryInterface
} else {
return (new Query)->select([$selectExpression])
->from(['c' => $this])
->createCommand($db)
->createCommand($command->db)
->queryScalar();
}
}
@ -833,4 +835,30 @@ class Query extends Component implements QueryInterface
}
return $this;
}
/**
* Creates a new Query object and copies its property values from an existing one.
* The properties being copies are the ones to be used by query builders.
* @param Query $from the source query object
* @return Query the new Query object
*/
public static function create($from)
{
return new self([
'where' => $from->where,
'limit' => $from->limit,
'offset' => $from->offset,
'orderBy' => $from->orderBy,
'indexBy' => $from->indexBy,
'select' => $from->select,
'selectOption' => $from->selectOption,
'distinct' => $from->distinct,
'from' => $from->from,
'groupBy' => $from->groupBy,
'join' => $from->join,
'having' => $from->having,
'union' => $from->union,
'params' => $from->params,
]);
}
}

2
framework/db/QueryBuilder.php
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@ -85,7 +85,7 @@ class QueryBuilder extends \yii\base\Object
*/
public function build($query, $params = [])
{
$query->prepareBuild($this);
$query = $query->prepare($this);
$params = empty($params) ? $query->params : array_merge($params, $query->params);