Commit 9cb36d01 by Qiang Xue

Fixes #4212: MSSQL query builder should not generate the `ORDER BY` clause when it is not needed

parent 474e664c
......@@ -245,6 +245,7 @@ Yii Framework 2 Change Log
- Bug #2862: Using `DbCache` while enabling schema caching may cause infinite loops (qiangxue)
- Bug #3052: Fixed the issue that cache dependency data is not reused when `reusable` is set true (qiangxue)
- Bug #3691: Fixed the issue that `CookieCollection::has` always returns false for cookies from browser (sonicgd)
- Bug #4212: MSSQL query builder should not generate the `ORDER BY` clause when it is not needed (qiangxue)
- Bug: Fixed `Call to a member function registerAssetFiles() on a non-object` in case of wrong `sourcePath` for an asset bundle (samdark)
- Bug: Fixed incorrect event name for `yii\jui\Spinner` (samdark)
- Bug: Json::encode() did not handle objects that implement JsonSerializable interface correctly (cebe)
......
......@@ -39,15 +39,6 @@ class QueryBuilder extends \yii\db\QueryBuilder
Schema::TYPE_MONEY => 'decimal(19,4)',
];
// public function update($table, $columns, $condition, &$params)
// {
// return '';
// }
// public function delete($table, $condition, &$params)
// {
// return '';
// }
/**
* @param integer $limit
......@@ -71,11 +62,6 @@ class QueryBuilder extends \yii\db\QueryBuilder
}
}
// public function resetSequence($table, $value = null)
// {
// return '';
// }
/**
* Builds a SQL statement for renaming a DB table.
* @param string $table the table to be renamed. The name will be properly quoted by the method.
......@@ -143,25 +129,19 @@ class QueryBuilder extends \yii\db\QueryBuilder
/**
* @inheritdoc
*/
public function buildOrderBy($columns)
{
if (empty($columns)) {
// hack so LIMIT will work if no ORDER BY is specified
return 'ORDER BY (SELECT NULL)';
} else {
return parent::buildOrderBy($columns);
}
}
/**
* @inheritdoc
*/
public function build($query, $params = [])
{
$query->prepareBuild($this);
$params = empty($params) ? $query->params : array_merge($params, $query->params);
if (empty($query->orderBy) && ($this->hasLimit($query->limit) || $this->hasOffset($query->offset)) && $this->isOldMssql()) {
// hack so LIMIT will work because ROW_NUMBER requires an ORDER BY clause
$orderBy = 'ORDER BY (SELECT NULL)';
} else {
$orderBy = $this->buildOrderBy($query->orderBy);
}
$clauses = [
$this->buildSelect($query->select, $params, $query->distinct, $query->selectOption),
$this->buildFrom($query->from, $params),
......@@ -169,7 +149,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
$this->buildWhere($query->where, $params),
$this->buildGroupBy($query->groupBy),
$this->buildHaving($query->having, $params),
$this->buildOrderBy($query->orderBy),
$orderBy,
$this->isOldMssql() ? '' : $this->buildLimit($query->limit, $query->offset),
];
......@@ -189,7 +169,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
* Applies limit and offset to SQL query
*
* @param string $sql SQL query
* @param \yii\db\ActiveQuery $query the [[Query]] object from which the SQL statement generated
* @param \yii\db\Query $query the [[Query]] object from which the SQL statement generated
* @return string resulting SQL
*/
private function applyLimitAndOffset($sql, $query)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment