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tags/2.0.0-beta
Qiang Xue 13 years ago
parent
965fe5c4d2
commit
3210a2171c
6 changed files with 132 additions and 880 deletions
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  1. 2
      framework/base/Component.php
  2. 736
      framework/db/ar/ActiveFinder.php
  3. 198
      framework/db/ar/ActiveQuery.php
  4. 15
      framework/db/ar/ActiveRecord.php
  5. 9
      framework/db/ar/ActiveRelation.php
  6. 52
      tests/unit/framework/db/ar/ActiveRecordTest.php

2
framework/base/Component.php
Unescape View File

@ -69,7 +69,7 @@ namespace yii\base;
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Component extends Object
class Component extends \yii\base\Object
{
/**
* @var Vector[] the attached event handlers (event name => handlers)

736
framework/db/ar/ActiveFinder.php
Unescape View File

@ -31,686 +31,92 @@ use yii\db\Exception;
* todo: scope
* todo: test via option
* todo: count, sum, exists
todo: inner join with one or multiple relations as filters
joinType should default to inner join in this case
*
* @property integer $count
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class ActiveFinder extends \yii\base\Object implements \IteratorAggregate, \ArrayAccess, \Countable
class ActiveFinder extends \yii\base\Object
{
/**
* @var string the name of the ActiveRecord class.
* @var \yii\db\dao\Connection
*/
public $modelClass;
/**
* @var Query the Query object
*/
public $query;
/**
* @var array list of relations that this query should be performed with
*/
public $with;
/**
* @var string the table alias to be used for query
*/
public $tableAlias;
/**
* @var string the name of the column that the result should be indexed by
*/
public $indexBy;
/**
* @var boolean whether to return query results as arrays
*/
public $asArray;
/**
* @var array list of scopes that should be applied to this query
*/
public $scopes;
/**
* @var array list of query results
*/
public $records;
public $sql;
/**
* @param string $modelClass the name of the ActiveRecord class.
*/
public function __construct($modelClass)
{
$this->modelClass = $modelClass;
$this->query = new Query;
}
/**
* Executes query and returns all results as an array.
* @return array the query results. If the query results in nothing, an empty array will be returned.
*/
public function all()
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
return $this->records;
}
/**
* Executes query and returns a single row of result.
* @return null|array|ActiveRecord the single row of query result. Depending on the setting of [[asArray]],
* the query result may be either an array or an ActiveRecord object. Null will be returned
* if the query results in nothing.
*/
public function one()
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
return isset($this->records[0]) ? $this->records[0] : null;
}
public function exists()
{
// todo
return $this->select(array('1'))->asArray(true)->one() !== null;
}
public function asArray($value = true)
{
$this->asArray = $value;
return $this;
}
public function with()
{
$this->with = func_get_args();
if (isset($this->with[0]) && is_array($this->with[0])) {
// the parameter is given as an array
$this->with = $this->with[0];
}
return $this;
}
public function indexBy($column)
{
$this->indexBy = $column;
return $this;
}
public function tableAlias($value)
{
$this->tableAlias = $value;
return $this;
}
/**
* Returns the database connection used by this query.
* This method returns the connection used by the [[modelClass]].
* @return \yii\db\dao\Connection the database connection used by this query
*/
public function getDbConnection()
{
$class = $this->modelClass;
return $class::getDbConnection();
}
/**
* Returns the number of items in the vector.
* @return integer the number of items in the vector
*/
public function getCount()
{
return $this->count();
}
/**
* Sets the parameters about query caching.
* This is a shortcut method to {@link CDbConnection::cache()}.
* It changes the query caching parameter of the {@link dbConnection} instance.
* @param integer $duration the number of seconds that query results may remain valid in cache.
* If this is 0, the caching will be disabled.
* @param CCacheDependency $dependency the dependency that will be used when saving the query results into cache.
* @param integer $queryCount number of SQL queries that need to be cached after calling this method. Defaults to 1,
* meaning that the next SQL query will be cached.
* @return ActiveRecord the active record instance itself.
*/
public function cache($duration, $dependency = null, $queryCount = 1)
{
$this->getDbConnection()->cache($duration, $dependency, $queryCount);
return $this;
}
public $connection;
/**
* Returns an iterator for traversing the items in the vector.
* This method is required by the SPL interface `IteratorAggregate`.
* It will be implicitly called when you use `foreach` to traverse the vector.
* @return VectorIterator an iterator for traversing the items in the vector.
*/
public function getIterator()
public function __construct($connection)
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
return new VectorIterator($this->records);
$this->connection = $connection;
}
/**
* Returns the number of items in the vector.
* This method is required by the SPL `Countable` interface.
* It will be implicitly called when you use `count($vector)`.
* @param boolean $bySql whether to get the count by performing a SQL COUNT query.
* If this is false, it will count the number of records brought back by this query.
* @return integer number of items in the vector.
* @param \yii\db\ar\ActiveQuery $query
* @param bool $all
* @return array
*/
public function count($bySql = false)
public function findRecords($query, $all = true)
{
if ($bySql) {
return $this->performCountQuery();
if ($query->sql !== null) {
$sql = $query->sql;
} else {
if ($this->records === null) {
$this->records = $this->findRecords();
$this->initFrom($query);
$this->applyScopes($query);
// todo: filter
$sql = $this->connection->getQueryBuilder()->build($query);
if (strpos($sql, '@.') !== false) {
if ($query->tableAlias !== null) {
$alias = $this->connection->quoteTableName($query->tableAlias) . '.';
} else {
$class = $query->modelClass;
$alias = $this->connection->quoteTableName($class::tableName()) . '.';
}
$sql = str_replace('@.', $alias, $sql);
}
return count($this->records);
}
}
/**
* Returns a value indicating whether there is an item at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `isset($vector[$offset])`.
* @param integer $offset the offset to be checked
* @return boolean whether there is an item at the specified offset.
*/
public function offsetExists($offset)
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
return isset($this->records[$offset]);
}
/**
* Returns the item at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `$value = $vector[$offset];`.
* This is equivalent to [[itemAt]].
* @param integer $offset the offset to retrieve item.
* @return ActiveRecord the item at the offset
* @throws Exception if the offset is out of range
*/
public function offsetGet($offset)
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
return isset($this->records[$offset]) ? $this->records[$offset] : null;
}
$command = $this->connection->createCommand($sql, $query->params);
/**
* Sets the item at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `$vector[$offset] = $item;`.
* If the offset is null or equal to the number of the existing items,
* the new item will be appended to the vector.
* Otherwise, the existing item at the offset will be replaced with the new item.
* @param integer $offset the offset to set item
* @param ActiveRecord $item the item value
* @throws Exception if the offset is out of range, or the vector is read only.
*/
public function offsetSet($offset, $item)
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
$this->records[$offset] = $item;
}
/**
* Unsets the item at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `unset($vector[$offset])`.
* This is equivalent to [[removeAt]].
* @param integer $offset the offset to unset item
* @throws Exception if the offset is out of range, or the vector is read only.
*/
public function offsetUnset($offset)
{
if ($this->records === null) {
$this->records = $this->findRecords();
}
unset($this->records[$offset]);
}
/**
* Sets the SELECT part of the query.
* @param string|array $columns the columns to be selected.
* Columns can be specified in either a string (e.g. "id, name") or an array (e.g. array('id', 'name')).
* Columns can contain table prefixes (e.g. "tbl_user.id") and/or column aliases (e.g. "tbl_user.id AS user_id").
* The method will automatically quote the column names unless a column contains some parenthesis
* (which means the column contains a DB expression).
* @param string $option additional option that should be appended to the 'SELECT' keyword. For example,
* in MySQL, the option 'SQL_CALC_FOUND_ROWS' can be used.
* @return ActiveFinder the query object itself
*/
public function select($columns, $option = '')
{
$this->query->select($columns, $option);
return $this;
}
/**
* Sets the value indicating whether to SELECT DISTINCT or not.
* @param bool $value whether to SELECT DISTINCT or not.
* @return ActiveFinder the query object itself
*/
public function distinct($value = true)
{
$this->query->distinct($value);
return $this;
}
/**
* Sets the FROM part of the query.
* @param string|array $tables the table(s) to be selected from. This can be either a string (e.g. 'tbl_user')
* or an array (e.g. array('tbl_user', 'tbl_profile')) specifying one or several table names.
* Table names can contain schema prefixes (e.g. 'public.tbl_user') and/or table aliases (e.g. 'tbl_user u').
* The method will automatically quote the table names unless it contains some parenthesis
* (which means the table is given as a sub-query or DB expression).
* @return ActiveFinder the query object itself
*/
public function from($tables)
{
$this->query->from($tables);
return $this;
}
/**
* Sets the WHERE part of the query.
*
* The method requires a $condition parameter, and optionally a $params parameter
* specifying the values to be bound to the query.
*
* The $condition parameter should be either a string (e.g. 'id=1') or an array.
* If the latter, it must be in one of the following two formats:
*
* - hash format: `array('column1' => value1, 'column2' => value2, ...)`
* - operator format: `array(operator, operand1, operand2, ...)`
*
* A condition in hash format represents the following SQL expression in general:
* `column1=value1 AND column2=value2 AND ...`. In case when a value is an array,
* an `IN` expression will be generated. And if a value is null, `IS NULL` will be used
* in the generated expression. Below are some examples:
*
* - `array('type'=>1, 'status'=>2)` generates `(type=1) AND (status=2)`.
* - `array('id'=>array(1,2,3), 'status'=>2)` generates `(id IN (1,2,3)) AND (status=2)`.
* - `array('status'=>null) generates `status IS NULL`.
*
* A condition in operator format generates the SQL expression according to the specified operator, which
* can be one of the followings:
*
* - `and`: the operands should be concatenated together using `AND`. For example,
* `array('and', 'id=1', 'id=2')` will generate `id=1 AND id=2`. If an operand is an array,
* it will be converted into a string using the rules described here. For example,
* `array('and', 'type=1', array('or', 'id=1', 'id=2'))` will generate `type=1 AND (id=1 OR id=2)`.
* The method will NOT do any quoting or escaping.
*
* - `or`: similar to the `and` operator except that the operands are concatenated using `OR`.
*
* - `between`: operand 1 should be the column name, and operand 2 and 3 should be the
* starting and ending values of the range that the column is in.
* For example, `array('between', 'id', 1, 10)` will generate `id BETWEEN 1 AND 10`.
*
* - `not between`: similar to `between` except the `BETWEEN` is replaced with `NOT BETWEEN`
* in the generated condition.
*
* - `in`: operand 1 should be a column or DB expression, and operand 2 be an array representing
* the range of the values that the column or DB expression should be in. For example,
* `array('in', 'id', array(1,2,3))` will generate `id IN (1,2,3)`.
* The method will properly quote the column name and escape values in the range.
*
* - `not in`: similar to the `in` operator except that `IN` is replaced with `NOT IN` in the generated condition.
*
* - `like`: operand 1 should be a column or DB expression, and operand 2 be a string or an array representing
* the values that the column or DB expression should be like.
* For example, `array('like', 'name', '%tester%')` will generate `name LIKE '%tester%'`.
* When the value range is given as an array, multiple `LIKE` predicates will be generated and concatenated
* using `AND`. For example, `array('like', 'name', array('%test%', '%sample%'))` will generate
* `name LIKE '%test%' AND name LIKE '%sample%'`.
* The method will properly quote the column name and escape values in the range.
*
* - `or like`: similar to the `like` operator except that `OR` is used to concatenate the `LIKE`
* predicates when operand 2 is an array.
*
* - `not like`: similar to the `like` operator except that `LIKE` is replaced with `NOT LIKE`
* in the generated condition.
*
* - `or not like`: similar to the `not like` operator except that `OR` is used to concatenate
* the `NOT LIKE` predicates.
*
* @param string|array $condition the conditions that should be put in the WHERE part.
* @param array $params the parameters (name=>value) to be bound to the query.
* For anonymous parameters, they can alternatively be specified as separate parameters to this method.
* For example, `where('type=? AND status=?', 100, 1)`.
* @return ActiveFinder the query object itself
* @see andWhere()
* @see orWhere()
*/
public function where($condition, $params = array())
{
if (is_array($params)) {
$this->query->where($condition, $params);
} else {
call_user_func_array(array($this->query, __FUNCTION__), func_get_args());
}
return $this;
}
/**
* Adds an additional WHERE condition to the existing one.
* The new condition and the existing one will be joined using the 'AND' operator.
* @param string|array $condition the new WHERE condition. Please refer to [[where()]]
* on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see where()
* @see orWhere()
*/
public function andWhere($condition, $params = array())
{
if (is_array($params)) {
$this->query->andWhere($condition, $params);
if ($all) {
$rows = $command->queryAll();
} else {
call_user_func_array(array($this->query, __FUNCTION__), func_get_args());
}
return $this;
}
/**
* Adds an additional WHERE condition to the existing one.
* The new condition and the existing one will be joined using the 'OR' operator.
* @param string|array $condition the new WHERE condition. Please refer to [[where()]]
* on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see where()
* @see andWhere()
*/
public function orWhere($condition, $params = array())
{
if (is_array($params)) {
$this->query->orWhere($condition, $params);
} else {
call_user_func_array(array($this->query, __FUNCTION__), func_get_args());
}
return $this;
}
/**
* Appends a JOIN part to the query.
* The first parameter specifies what type of join it is.
* @param string $type the type of join, such as INNER JOIN, LEFT JOIN.
* @param string $table the table to be joined.
* Table name can contain schema prefix (e.g. 'public.tbl_user') and/or table alias (e.g. 'tbl_user u').
* The method will automatically quote the table name unless it contains some parenthesis
* (which means the table is given as a sub-query or DB expression).
* @param string|array $on the join condition that should appear in the ON part.
* Please refer to [[where()]] on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* @return Query the query object itself
*/
public function join($type, $table, $on = '', $params = array())
{
$this->query->join($type, $table, $on, $params);
return $this;
}
/**
* Appends an INNER JOIN part to the query.
* @param string $table the table to be joined.
* Table name can contain schema prefix (e.g. 'public.tbl_user') and/or table alias (e.g. 'tbl_user u').
* The method will automatically quote the table name unless it contains some parenthesis
* (which means the table is given as a sub-query or DB expression).
* @param string|array $on the join condition that should appear in the ON part.
* Please refer to [[where()]] on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
*/
public function innerJoin($table, $on, $params = array())
{
$this->query->join($table, $on, $params);
return $this;
}
/**
* Appends a LEFT OUTER JOIN part to the query.
* @param string $table the table to be joined.
* Table name can contain schema prefix (e.g. 'public.tbl_user') and/or table alias (e.g. 'tbl_user u').
* The method will automatically quote the table name unless it contains some parenthesis
* (which means the table is given as a sub-query or DB expression).
* @param string|array $on the join condition that should appear in the ON part.
* Please refer to [[where()]] on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query
* @return ActiveFinder the query object itself
*/
public function leftJoin($table, $on, $params = array())
{
$this->query->leftJoin($table, $on, $params);
return $this;
}
/**
* Appends a RIGHT OUTER JOIN part to the query.
* @param string $table the table to be joined.
* Table name can contain schema prefix (e.g. 'public.tbl_user') and/or table alias (e.g. 'tbl_user u').
* The method will automatically quote the table name unless it contains some parenthesis
* (which means the table is given as a sub-query or DB expression).
* @param string|array $on the join condition that should appear in the ON part.
* Please refer to [[where()]] on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query
* @return ActiveFinder the query object itself
*/
public function rightJoin($table, $on, $params = array())
{
$this->query->rightJoin($table, $on, $params);
return $this;
}
/**
* Sets the GROUP BY part of the query.
* @param string|array $columns the columns to be grouped by.
* Columns can be specified in either a string (e.g. "id, name") or an array (e.g. array('id', 'name')).
* The method will automatically quote the column names unless a column contains some parenthesis
* (which means the column contains a DB expression).
* @return ActiveFinder the query object itself
* @see addGroupBy()
*/
public function groupBy($columns)
{
$this->query->groupBy($columns);
return $this;
}
/**
* Adds additional group-by columns to the existing ones.
* @param string|array $columns additional columns to be grouped by.
* Columns can be specified in either a string (e.g. "id, name") or an array (e.g. array('id', 'name')).
* The method will automatically quote the column names unless a column contains some parenthesis
* (which means the column contains a DB expression).
* @return ActiveFinder the query object itself
* @see groupBy()
*/
public function addGroupBy($columns)
{
$this->query->addGroupBy($columns);
return $this;
}
/**
* Sets the HAVING part of the query.
* @param string|array $condition the conditions to be put after HAVING.
* Please refer to [[where()]] on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see andHaving()
* @see orHaving()
*/
public function having($condition, $params = array())
{
if (is_array($params)) {
$this->query->having($condition, $params);
} else {
call_user_func_array(array($this->query, __FUNCTION__), func_get_args());
}
return $this;
}
/**
* Adds an additional HAVING condition to the existing one.
* The new condition and the existing one will be joined using the 'AND' operator.
* @param string|array $condition the new HAVING condition. Please refer to [[where()]]
* on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see having()
* @see orHaving()
*/
public function andHaving($condition, $params = array())
{
if (is_array($params)) {
$this->query->andHaving($condition, $params);
} else {
call_user_func_array(array($this->query, __FUNCTION__), func_get_args());
$row = $command->queryRow();
if ($row === false) {
return array();
}
$rows = array($row);
}
return $this;
}
/**
* Adds an additional HAVING condition to the existing one.
* The new condition and the existing one will be joined using the 'OR' operator.
* @param string|array $condition the new HAVING condition. Please refer to [[where()]]
* on how to specify this parameter.
* @param array $params the parameters (name=>value) to be bound to the query.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see having()
* @see andHaving()
*/
public function orHaving($condition, $params = array())
{
if (is_array($params)) {
$this->query->orHaving($condition, $params);
$records = array();
if ($query->asArray) {
if ($query->indexBy === null) {
return $rows;
}
foreach ($rows as $row) {
$records[$row[$query->indexBy]] = $row;
}
} else {
call_user_func_array(array($this->query, __FUNCTION__), func_get_args());
$class = $query->modelClass;
if ($query->indexBy === null) {
foreach ($rows as $row) {
$records[] = $class::createRecord($row);
}
} else {
foreach ($rows as $row) {
$records[$row[$query->indexBy]] = $class::createRecord($row);
}
}
}
return $this;
}
/**
* Sets the ORDER BY part of the query.
* @param string|array $columns the columns (and the directions) to be ordered by.
* Columns can be specified in either a string (e.g. "id ASC, name DESC") or an array (e.g. array('id ASC', 'name DESC')).
* The method will automatically quote the column names unless a column contains some parenthesis
* (which means the column contains a DB expression).
* @return ActiveFinder the query object itself
* @see addOrderBy()
*/
public function orderBy($columns)
{
$this->query->orderBy($columns);
return $this;
}
/**
* Adds additional ORDER BY columns to the query.
* @param string|array $columns the columns (and the directions) to be ordered by.
* Columns can be specified in either a string (e.g. "id ASC, name DESC") or an array (e.g. array('id ASC', 'name DESC')).
* The method will automatically quote the column names unless a column contains some parenthesis
* (which means the column contains a DB expression).
* @return ActiveFinder the query object itself
* @see orderBy()
*/
public function addOrderBy($columns)
{
$this->query->addOrderBy($columns);
return $this;
}
/**
* Sets the LIMIT part of the query.
* @param integer $limit the limit
* @return ActiveFinder the query object itself
*/
public function limit($limit)
{
$this->query->limit($limit);
return $this;
}
/**
* Sets the OFFSET part of the query.
* @param integer $offset the offset
* @return ActiveFinder the query object itself
*/
public function offset($offset)
{
$this->query->offset($offset);
return $this;
}
/**
* Appends a SQL statement using UNION operator.
* @param string|Query $sql the SQL statement to be appended using UNION
* @return ActiveFinder the query object itself
*/
public function union($sql)
{
$this->query->union($sql);
return $this;
return $records;
}
public function getParams()
{
return $this->query->params;
}
/**
* Sets the parameters to be bound to the query.
* @param array list of query parameter values indexed by parameter placeholders.
* For example, `array(':name'=>'Dan', ':age'=>31)`.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see addParams()
*/
public function params($params)
public function findRelatedRecords($record, $relation, $params)
{
$this->query->params($params);
return $this;
}
/**
* Adds additional parameters to be bound to the query.
* @param array list of query parameter values indexed by parameter placeholders.
* For example, `array(':name'=>'Dan', ':age'=>31)`.
* Please refer to [[where()]] on alternative syntax of specifying anonymous parameters.
* @return ActiveFinder the query object itself
* @see params()
*/
public function addParams($params)
{
$this->query->addParams($params);
return $this;
}
public function joinWith()
{
// todo: inner join with one or multiple relations as filters
}
protected function findRecords()
public function findRecordsWithRelations()
{
if (!empty($this->with)) {
// todo: handle findBySql() and limit cases
@ -762,32 +168,32 @@ class ActiveFinder extends \yii\base\Object implements \IteratorAggregate, \Arra
}
}
protected function performCountQuery()
{
if ($this->sql === null) {
$this->initFrom($this->query);
$this->query->select = 'COUNT(*)';
$command = $this->query->createCommand($this->getDbConnection());
$this->sql = $command->getSql();
} else {
$command = $this->getDbConnection()->createCommand($this->sql);
$command->bindValues($this->query->params);
}
return $command->queryScalar();
}
protected function initFrom($query)
{
if ($query->from === null) {
$modelClass = $this->modelClass;
$modelClass = $query->modelClass;
$tableName = $modelClass::tableName();
if ($this->tableAlias !== null) {
$tableName .= ' ' . $this->tableAlias;
if ($query->tableAlias !== null) {
$tableName .= ' ' . $query->tableAlias;
}
$query->from = array($tableName);
}
}
protected function applyScopes($query)
{
if (is_array($query->scopes)) {
foreach ($query->scopes as $scope => $params) {
if (is_integer($scope)) {
$scope = $params;
$params = array();
}
array_unshift($params, $query);
call_user_func_array($scope, $params);
}
}
}
protected function buildRelationalQuery()
{
$joinTree = new JoinElement($this, null, null);

198
framework/db/ar/ActiveQuery.php
Unescape View File

@ -15,11 +15,12 @@ use yii\db\dao\BaseQuery;
use yii\db\Exception;
/**
* 1. eager loading, base limited and has has_many relations
* 2.
* ActiveFinder.php is ...
* todo: add SQL monitor
* todo: better handling on join() support in QueryBuilder: use regexp to detect table name and quote it
* todo: do not support anonymous parameter binding
* todo: add ActiveFinderBuilder
* todo: quote join/on part of the relational query
* todo: modify QueryBuilder about join() methods
* todo: unify ActiveFinder and ActiveRelation in query building process
@ -48,6 +49,10 @@ class ActiveQuery extends BaseQuery implements \IteratorAggregate, \ArrayAccess,
*/
public $with;
/**
* @var array list of relations that should be used as filters for this query.
*/
public $filters;
/**
* @var string the table alias to be used for query
*/
public $tableAlias;
@ -66,10 +71,14 @@ class ActiveQuery extends BaseQuery implements \IteratorAggregate, \ArrayAccess,
*/
public $scopes;
/**
* @var string the SQL statement to be executed to retrieve primary records.
* This is set by [[ActiveRecord::findBySql()]].
*/
public $sql;
/**
* @var array list of query results
*/
public $records;
public $sql;
/**
* @param string $modelClass the name of the ActiveRecord class.
@ -95,6 +104,16 @@ class ActiveQuery extends BaseQuery implements \IteratorAggregate, \ArrayAccess,
return $this;
}
public function filters()
{
$this->filters = func_get_args();
if (isset($this->filters[0]) && is_array($this->filters[0])) {
// the parameter is given as an array
$this->filters = $this->filters[0];
}
return $this;
}
public function indexBy($column)
{
$this->indexBy = $column;
@ -129,7 +148,7 @@ class ActiveQuery extends BaseQuery implements \IteratorAggregate, \ArrayAccess,
{
if ($this->records === null) {
// todo: load only one record
$this->records = $this->findRecords();
$this->records = $this->findRecords(false);
}
return isset($this->records[0]) ? $this->records[0] : null;
}
@ -276,178 +295,13 @@ class ActiveQuery extends BaseQuery implements \IteratorAggregate, \ArrayAccess,
unset($this->records[$offset]);
}
public function joinWith()
{
// todo: inner join with one or multiple relations as filters
}
protected function findRecords()
protected function findRecords($all = true)
{
$finder = new ActiveFinder($this->getDbConnection());
if (!empty($this->with)) {
// todo: handle findBySql() and limit cases
$joinTree = $this->buildRelationalQuery();
}
if ($this->sql === null) {
$this->initFrom($this->query);
$command = $this->query->createCommand($this->getDbConnection());
$this->sql = $command->getSql();
} else {
$command = $this->getDbConnection()->createCommand($this->sql);
$command->bindValues($this->query->params);
}
$rows = $command->queryAll();
if (isset($joinTree)) {
foreach ($rows as $row) {
$joinTree->populateData($row);
}
return array_values($joinTree->records);
}
if ($this->asArray) {
if ($this->indexBy === null) {
return $rows;
}
$records = array();
foreach ($rows as $row) {
$records[$row[$this->indexBy]] = $row;
}
return $records;
return $finder->findRecordsWithRelations();
} else {
$records = array();
$class = $this->modelClass;
if ($this->indexBy === null) {
foreach ($rows as $row) {
$records[] = $class::populateData($row);
}
} else {
$attribute = $this->indexBy;
foreach ($rows as $row) {
$record = $class::populateData($row);
$records[$record->$attribute] = $record;
}
}
return $records;
}
}
protected function initFrom($query)
{
if ($query->from === null) {
$modelClass = $this->modelClass;
$tableName = $modelClass::tableName();
if ($this->tableAlias !== null) {
$tableName .= ' ' . $this->tableAlias;
}
$query->from = array($tableName);
}
}
protected function buildRelationalQuery()
{
$joinTree = new JoinElement($this, null, null);
$this->buildJoinTree($joinTree, $this->with);
$this->buildTableAlias($joinTree);
$query = new Query;
foreach ($joinTree->children as $child) {
$child->buildQuery($query);
}
$select = $joinTree->buildSelect($this->query->select);
if (!empty($query->select)) {
$this->query->select = array_merge($select, $query->select);
} else {
$this->query->select = $select;
}
if (!empty($query->where)) {
$this->query->andWhere('(' . implode(') AND (', $query->where) . ')');
}
if (!empty($query->having)) {
$this->query->andHaving('(' . implode(') AND (', $query->having) . ')');
}
if (!empty($query->join)) {
if ($this->query->join === null) {
$this->query->join = $query->join;
} else {
$this->query->join = array_merge($this->query->join, $query->join);
}
}
if (!empty($query->orderBy)) {
$this->query->addOrderBy($query->orderBy);
}
if (!empty($query->groupBy)) {
$this->query->addGroupBy($query->groupBy);
}
if (!empty($query->params)) {
$this->query->addParams($query->params);
}
return $joinTree;
}
/**
* @param JoinElement $parent
* @param array|string $with
* @param array $config
* @return null|JoinElement
* @throws \yii\db\Exception
*/
protected function buildJoinTree($parent, $with, $config = array())
{
if (is_array($with)) {
foreach ($with as $name => $value) {
if (is_string($value)) {
$this->buildJoinTree($parent, $value);
} elseif (is_string($name) && is_array($value)) {
$this->buildJoinTree($parent, $name, $value);
}
}
return null;
}
if (($pos = strrpos($with, '.')) !== false) {
$parent = $this->buildJoinTree($parent, substr($with, 0, $pos));
$with = substr($with, $pos + 1);
}
if (isset($parent->children[$with])) {
$child = $parent->children[$with];
$child->joinOnly = false;
} else {
$modelClass = $parent->relation->modelClass;
$relations = $modelClass::getMetaData()->relations;
if (!isset($relations[$with])) {
throw new Exception("$modelClass has no relation named '$with'.");
}
$relation = clone $relations[$with];
if ($relation->via !== null && isset($relations[$relation->via])) {
$relation->via = null;
$parent2 = $this->buildJoinTree($parent, $relation->via);
if ($parent2->joinOnly === null) {
$parent2->joinOnly = true;
}
$child = new JoinElement($relation, $parent2, $parent);
} else {
$child = new JoinElement($relation, $parent, $parent);
}
}
foreach ($config as $name => $value) {
$child->relation->$name = $value;
}
return $child;
}
protected function buildTableAlias($element, &$count = 0)
{
if ($element->relation->tableAlias === null) {
$element->relation->tableAlias = 't' . ($count++);
}
foreach ($element->children as $child) {
$this->buildTableAlias($child, $count);
return $finder->findRecords($this, $all);
}
}
}

15
framework/db/ar/ActiveRecord.php
Unescape View File

@ -427,7 +427,7 @@ abstract class ActiveRecord extends Model
if (array_key_exists($name, $this->_related)) {
return $this->_related[$name];
} else {
return $this->_related[$name] = $this->loadRelatedRecord($md->relations[$name]);
return $this->_related[$name] = $this->findByRelation($md->relations[$name]);
}
}
return parent::__get($name);
@ -501,7 +501,7 @@ abstract class ActiveRecord extends Model
{
$md = $this->getMetaData();
if (isset($md->relations[$name])) {
return $this->loadRelatedRecord($md->relations[$name], isset($params[0]) ? $params[0] : array());
return $this->findByRelation($md->relations[$name], isset($params[0]) ? $params[0] : array());
}
return parent::__call($name, $params);
}
@ -532,14 +532,12 @@ abstract class ActiveRecord extends Model
* or null if the object does not exist.
* If the relation is HAS_MANY or MANY_MANY, it will return an array of objects
* or an empty array.
* @param string $name the relation name (see {@link relations})
* @param boolean $refresh whether to reload the related objects from database. Defaults to false.
* @param ActiveRelation|string $relation the relation object or the name of the relation
* @param array $params additional parameters that customize the query conditions as specified in the relation declaration.
* This parameter has been available since version 1.0.5.
* @return mixed the related object(s).
* @throws Exception if the relation is not specified in {@link relations}.
* @throws Exception if the relation is not specified in [[relations()]].
*/
public function loadRelatedRecord($relation, $params = array())
public function findByRelation($relation, $params = array())
{
if (is_string($relation)) {
$md = $this->getMetaData();
@ -548,7 +546,8 @@ abstract class ActiveRecord extends Model
}
$relation = $md->relations[$relation];
}
$finder = $this->createActiveQuery();
$query = $this->createActiveQuery();
return $query->findRelatedRecords($this, $relation, $params);
}
/**

9
framework/db/ar/ActiveRelation.php
Unescape View File

@ -33,9 +33,10 @@ class ActiveRelation extends BaseQuery
*/
public $hasMany;
/**
* @var string the join type (e.g. INNER JOIN, LEFT JOIN). Defaults to 'LEFT JOIN'.
* @var string the join type (e.g. INNER JOIN, LEFT JOIN). Defaults to 'LEFT JOIN' when
* this relation is used to load related records, and 'INNER JOIN' when this relation is used as a filter.
*/
public $joinType = 'LEFT JOIN';
public $joinType;
/**
* @var string the table alias used for the corresponding table during query
*/
@ -58,6 +59,10 @@ class ActiveRelation extends BaseQuery
*/
public $with;
/**
* @var array the relations that should be used as filters for this query
*/
public $filters;
/**
* @var array the scopes that should be applied during query
*/
public $scopes;

52
tests/unit/framework/db/ar/ActiveRecordTest.php
Unescape View File

@ -3,7 +3,7 @@
namespace yiiunit\framework\db\ar;
use yii\db\dao\Query;
use yii\db\ar\ActiveFinder;
use yii\db\ar\ActiveQuery;
use yiiunit\data\ar\ActiveRecord;
use yiiunit\data\ar\Customer;
use yiiunit\data\ar\OrderItem;
@ -45,28 +45,14 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
$customer2 = Customer::find(2)->one();
$this->assertEquals('user2x', $customer2->name);
// saveAttributes
$customer = Customer::find(1)->one();
$this->assertEquals('user1', $customer->name);
$this->assertEquals('address1', $customer->address);
$customer->saveAttributes(array(
'name' => 'user1x',
'address' => 'address1x',
));
$this->assertEquals('user1x', $customer->name);
$this->assertEquals('address1x', $customer->address);
$customer = Customer::find(1)->one();
$this->assertEquals('user1x', $customer->name);
$this->assertEquals('address1x', $customer->address);
// saveCounters
// updateCounters
$pk = array('order_id' => 2, 'item_id' => 4);
$orderItem = OrderItem::find($pk)->one();
$orderItem = OrderItem::find()->where($pk)->one();
$this->assertEquals(1, $orderItem->quantity);
$ret = $orderItem->saveCounters(array('quantity' => -1));
$ret = $orderItem->updateCounters(array('quantity' => -1));
$this->assertTrue($ret);
$this->assertEquals(0, $orderItem->quantity);
$orderItem = OrderItem::find($pk)->one();
$orderItem = OrderItem::find()->where($pk)->one();
$this->assertEquals(0, $orderItem->quantity);
// updateAll
@ -81,13 +67,13 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
// updateCounters
$pk = array('order_id' => 1, 'item_id' => 2);
$orderItem = OrderItem::find($pk)->one();
$orderItem = OrderItem::find()->where($pk)->one();
$this->assertEquals(2, $orderItem->quantity);
$ret = OrderItem::updateCounters(array(
$ret = OrderItem::updateAllCounters(array(
'quantity' => 3,
), $pk);
$this->assertEquals(1, $ret);
$orderItem = OrderItem::find($pk)->one();
$orderItem = OrderItem::find()->where($pk)->one();
$this->assertEquals(5, $orderItem->quantity);
}
@ -114,7 +100,7 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
{
// find one
$result = Customer::find();
$this->assertTrue($result instanceof ActiveFinder);
$this->assertTrue($result instanceof ActiveQuery);
$customer = $result->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals(1, $result->count);
@ -158,13 +144,15 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
$this->assertEquals('user2', $customer->name);
// find by attributes
$customer = Customer::find(array('name' => 'user2'))->one();
$customer = Customer::find()->where(array('name' => 'user2'))->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals(2, $customer->id);
// find by Query
$query = new Query;
$query->where('id=:id', array(':id' => 2));
$query = array(
'where' => 'id=:id',
'params' => array(':id' => 2),
);
$customer = Customer::find($query)->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals('user2', $customer->name);
@ -190,16 +178,16 @@ class ActiveRecordTest extends \yiiunit\MysqlTestCase
$this->assertEquals('user2', $customer->name);
// count
$finder = Customer::findBySql('SELECT * FROM tbl_customer ORDER BY id DESC');
$finder->one();
$this->assertEquals(3, $finder->count);
$finder = Customer::findBySql('SELECT * FROM tbl_customer ORDER BY id DESC');
$this->assertEquals(3, $finder->count);
$query = Customer::findBySql('SELECT * FROM tbl_customer ORDER BY id DESC');
$query->one();
$this->assertEquals(1, $query->count);
$query = Customer::findBySql('SELECT * FROM tbl_customer ORDER BY id DESC');
$this->assertEquals(3, $query->count);
}
public function testQueryMethods()
{
$customer = Customer::find()->where('id=?', 2)->one();
$customer = Customer::find()->where('id=:id', array(':id' => 2))->one();
$this->assertTrue($customer instanceof Customer);
$this->assertEquals('user2', $customer->name);

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