mirror of
https://github.com/silverstripe/silverstripe-framework
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67 lines
1.4 KiB
PHP
67 lines
1.4 KiB
PHP
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<?php
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namespace SilverStripe\ORM;
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use SilverStripe\ORM\Queries\SQLConditionGroup;
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use SilverStripe\ORM\Queries\SQLSelect;
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/**
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* Represents a subgroup inside a WHERE clause in a {@link DataQuery}
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*
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* Stores the clauses for the subgroup inside a specific {@link SQLSelect} object.
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* All non-where methods call their DataQuery versions, which uses the base
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* query object.
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*/
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class DataQuery_SubGroup extends DataQuery implements SQLConditionGroup
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{
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/**
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*
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* @var SQLSelect
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*/
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protected $whereQuery;
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public function __construct(DataQuery $base, $connective)
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{
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parent::__construct($base->dataClass);
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$this->query = $base->query;
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$this->whereQuery = new SQLSelect();
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$this->whereQuery->setConnective($connective);
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$base->where($this);
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}
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public function where($filter)
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{
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if ($filter) {
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$this->whereQuery->addWhere($filter);
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}
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return $this;
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}
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public function whereAny($filter)
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{
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if ($filter) {
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$this->whereQuery->addWhereAny($filter);
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}
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return $this;
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}
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public function conditionSQL(&$parameters)
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{
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$parameters = array();
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// Ignore empty conditions
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$where = $this->whereQuery->getWhere();
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if (empty($where)) {
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return null;
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}
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// Allow database to manage joining of conditions
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$sql = DB::get_conn()->getQueryBuilder()->buildWhereFragment($this->whereQuery, $parameters);
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return preg_replace('/^\s*WHERE\s*/i', '', $sql);
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}
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}
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