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<?php |
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declare(strict_types=1); |
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namespace TheCodingMachine\TDBM\QueryFactory; |
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use Doctrine\Common\Cache\Cache; |
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use Doctrine\DBAL\Platforms\MySqlPlatform; |
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use Doctrine\DBAL\Schema\Schema; |
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use Mouf\Database\MagicQuery; |
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use TheCodingMachine\TDBM\InnerResultArray; |
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use TheCodingMachine\TDBM\OrderByAnalyzer; |
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use TheCodingMachine\TDBM\QueryFactory\SmartEagerLoad\PartialQueryFactory; |
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use TheCodingMachine\TDBM\QueryFactory\SmartEagerLoad\Query\PartialQuery; |
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use TheCodingMachine\TDBM\QueryFactory\SmartEagerLoad\Query\StaticPartialQuery; |
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use TheCodingMachine\TDBM\QueryFactory\SmartEagerLoad\StorageNode; |
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use TheCodingMachine\TDBM\TDBMService; |
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use function implode; |
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/** |
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* This class is in charge of creating the MagicQuery SQL based on parameters passed to findObjects method. |
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*/ |
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class FindObjectsQueryFactory extends AbstractQueryFactory implements PartialQueryFactory |
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{ |
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private $additionalTablesFetch; |
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private $filterString; |
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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public function __construct(string $mainTable, array $additionalTablesFetch, $filterString, $orderBy, TDBMService $tdbmService, Schema $schema, OrderByAnalyzer $orderByAnalyzer, Cache $cache) |
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{ |
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parent::__construct($tdbmService, $schema, $orderByAnalyzer, $mainTable, $orderBy); |
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$this->additionalTablesFetch = $additionalTablesFetch; |
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$this->filterString = $filterString; |
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$this->cache = $cache; |
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} |
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protected function compute(): void |
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{ |
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$key = 'FindObjectsQueryFactory_'.$this->mainTable.'__'.implode('_/_', $this->additionalTablesFetch).'__'.$this->filterString.'__'.$this->orderBy; |
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if ($this->cache->contains($key)) { |
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[ |
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$this->magicSql, |
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$this->magicSqlCount, |
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$this->columnDescList |
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] = $this->cache->fetch($key); |
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return; |
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} |
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list($columnDescList, $columnsList, $orderString) = $this->getColumnsList($this->mainTable, $this->additionalTablesFetch, $this->orderBy, true); |
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$sql = 'SELECT DISTINCT '.implode(', ', $columnsList).' FROM MAGICJOIN('.$this->mainTable.')'; |
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$pkColumnNames = $this->tdbmService->getPrimaryKeyColumns($this->mainTable); |
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$mysqlPlatform = new MySqlPlatform(); |
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$pkColumnNames = array_map(function ($pkColumn) use ($mysqlPlatform) { |
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return $mysqlPlatform->quoteIdentifier($this->mainTable).'.'.$mysqlPlatform->quoteIdentifier($pkColumn); |
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}, $pkColumnNames); |
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$subQuery = 'SELECT DISTINCT '.implode(', ', $pkColumnNames).' FROM MAGICJOIN('.$this->mainTable.')'; |
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if (count($pkColumnNames) === 1 || $this->tdbmService->getConnection()->getDatabasePlatform() instanceof MySqlPlatform) { |
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$countSql = 'SELECT COUNT(DISTINCT '.implode(', ', $pkColumnNames).') FROM MAGICJOIN('.$this->mainTable.')'; |
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} else { |
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$countSql = 'SELECT COUNT(*) FROM ('.$subQuery.') tmp'; |
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} |
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if (!empty($this->filterString)) { |
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$sql .= ' WHERE '.$this->filterString; |
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$countSql .= ' WHERE '.$this->filterString; |
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$subQuery .= ' WHERE '.$this->filterString; |
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} |
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if (!empty($orderString)) { |
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$sql .= ' ORDER BY '.$orderString; |
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} |
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$this->magicSql = $sql; |
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$this->magicSqlCount = $countSql; |
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$this->magicSqlSubQuery = $subQuery; |
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$this->columnDescList = $columnDescList; |
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$this->cache->save($key, [ |
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$this->magicSql, |
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$this->magicSqlCount, |
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$this->columnDescList, |
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]); |
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} |
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/** |
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* Generates a SQL query to be used as a sub-query. |
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* @param array<string, mixed> $parameters |
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*/ |
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public function getPartialQuery(StorageNode $storageNode, MagicQuery $magicQuery, array $parameters): PartialQuery |
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{ |
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$mysqlPlatform = new MySqlPlatform(); |
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// Special case: if the main table is part of an inheritance relationship, we need to get all related tables |
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$relatedTables = $this->tdbmService->_getRelatedTablesByInheritance($this->mainTable); |
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if (count($relatedTables) === 1) { |
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$sql = 'FROM '.$mysqlPlatform->quoteIdentifier($this->mainTable); |
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} else { |
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// Let's use MagicQuery to build the query |
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$sql = 'FROM MAGICJOIN('.$this->mainTable.')'; |
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} |
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if (!empty($this->filterString)) { |
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$sql .= ' WHERE '.$this->filterString; |
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} |
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return new StaticPartialQuery($sql, $parameters, $relatedTables, $storageNode, $magicQuery); |
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} |
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} |
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thecodingmachine /
tdbm
