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Fixes #828: refactored QueryBuilder::build()

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This commit is contained in:
Qiang Xue
2013-08-29 16:47:48 -04:00
parent 147558ea19
commit 6dba4da3ed
5 changed files with 21 additions and 17 deletions
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8
framework/yii/db/ActiveQuery.php
View File

@@ -156,6 +156,8 @@ class ActiveQuery extends Query
if ($db === null) {
$db = $modelClass::getDb();
}
$params = $this->params;
if ($this->sql === null) {
if ($this->from === null) {
$tableName = $modelClass::tableName();
@@ -164,11 +166,9 @@ class ActiveQuery extends Query
}
$this->from = array($tableName);
}
/** @var $qb QueryBuilder */
$qb = $db->getQueryBuilder();
$this->sql = $qb->build($this);
list ($this->sql, $params) = $db->getQueryBuilder()->build($this);
}
return $db->createCommand($this->sql, $this->params);
return $db->createCommand($this->sql, $params);
}
/**

4
framework/yii/db/ActiveRelation.php
View File

@@ -297,7 +297,7 @@ class ActiveRelation extends ActiveQuery
/** @var $primaryModel ActiveRecord */
$primaryModel = reset($primaryModels);
$db = $primaryModel->getDb();
$sql = $db->getQueryBuilder()->build($this);
return $db->createCommand($sql, $this->params)->queryAll();
list ($sql, $params) = $db->getQueryBuilder()->build($this);
return $db->createCommand($sql, $params)->queryAll();
}
}

4
framework/yii/db/Query.php
View File

@@ -149,8 +149,8 @@ class Query extends Component
if ($db === null) {
$db = Yii::$app->getDb();
}
$sql = $db->getQueryBuilder()->build($this);
return $db->createCommand($sql, $this->params);
list ($sql, $params) = $db->getQueryBuilder()->build($this);
return $db->createCommand($sql, $params);
}
/**

20
framework/yii/db/QueryBuilder.php
View File

@@ -55,22 +55,24 @@ class QueryBuilder extends \yii\base\Object
/**
* Generates a SELECT SQL statement from a [[Query]] object.
* @param Query $query the [[Query]] object from which the SQL statement will be generated
* @return string the generated SQL statement
* @return array the generated SQL statement (the first array element) and the corresponding
* parameters to be bound to the SQL statement (the second array element).
*/
public function build($query)
{
$params = $query->params;
$clauses = array(
$this->buildSelect($query->select, $query->distinct, $query->selectOption),
$this->buildFrom($query->from),
$this->buildJoin($query->join, $query->params),
$this->buildWhere($query->where, $query->params),
$this->buildJoin($query->join, $params),
$this->buildWhere($query->where, $params),
$this->buildGroupBy($query->groupBy),
$this->buildHaving($query->having, $query->params),
$this->buildUnion($query->union, $query->params),
$this->buildHaving($query->having, $params),
$this->buildUnion($query->union, $params),
$this->buildOrderBy($query->orderBy),
$this->buildLimit($query->limit, $query->offset),
);
return implode($this->separator, array_filter($clauses));
return array(implode($this->separator, array_filter($clauses)), $params);
}
/**
@@ -718,9 +720,11 @@ class QueryBuilder extends \yii\base\Object
}
foreach ($unions as $i => $union) {
if ($union instanceof Query) {
// save the original parameters so that we can restore them later to prevent from modifying the query object
$originalParams = $union->params;
$union->addParams($params);
$unions[$i] = $this->build($union);
$params = $union->params;
list ($unions[$i], $params) = $this->build($union);
$union->params = $originalParams;
}
}
return "UNION (\n" . implode("\n) UNION (\n", $unions) . "\n)";