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<?php |
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namespace Darya\Database\Storage; |
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use Darya\Database\Storage\Query\Join; |
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use Darya\Storage\Query as StorageQuery; |
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/** |
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* Darya's database storage query representation. |
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* |
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* Provides joins and subqueries. |
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* |
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* @property-read Join[] $joins |
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* @property-read StorageQuery $insertSubquery |
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* |
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* @author Chris Andrew <[email protected]> |
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*/ |
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class Query extends StorageQuery { |
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/** |
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* Joins to apply to the query. |
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* |
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* @var Join[] |
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*/ |
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protected $joins = array(); |
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/** |
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* The subquery to use for the insert query. |
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* |
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* @var StorageQuery |
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*/ |
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protected $insertSubquery; |
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/** |
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* Add an inner join to the query. |
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* |
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* @param string $resource |
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* @param mixed $condition [optional] |
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* @param string $type [optional] |
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* @return $this |
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*/ |
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public function join($resource, $condition = null, $type = 'inner') { |
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$join = new Join($type, $resource); |
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if (is_callable($condition)) { |
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call_user_func($condition, $join); |
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} else { |
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$join->on($condition); |
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} |
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$this->joins[] = $join; |
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return $this; |
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} |
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/** |
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* Add a left join to the query. |
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* |
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* @param string $resource |
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* @param mixed $condition |
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* @return $this |
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*/ |
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public function leftJoin($resource, $condition = null) { |
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$this->join($resource, $condition, 'left'); |
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return $this; |
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} |
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/** |
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* Add a right join to the query. |
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* |
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* @param string $resource |
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* @param mixed $condition |
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* @return $this |
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*/ |
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public function rightJoin($resource, $condition = null) { |
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$this->join($resource, $condition, 'right'); |
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return $this; |
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} |
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/** |
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* Make this a create query with the given subquery. |
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* |
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* Optionally selects |
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* |
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* @param StorageQuery $query |
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* @return $this |
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*/ |
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public function createFrom(StorageQuery $query) { |
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$this->modify(static::CREATE); |
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$this->insertSubquery = $query; |
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return $this; |
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} |
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/** |
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* Alias for createFrom(). |
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* |
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* @param StorageQuery $query |
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* @return $this |
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*/ |
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public function insertFrom(StorageQuery $query) { |
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$this->modify(static::CREATE); |
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$this->createFrom($query); |
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return $this; |
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} |
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} |
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darya /
framework
