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<?php |
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namespace TheCodingMachine\TDBM\QueryFactory\SmartEagerLoad\Query; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Platforms\AbstractPlatform; |
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use Doctrine\DBAL\Platforms\MySqlPlatform; |
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use Mouf\Database\MagicQuery; |
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use TheCodingMachine\TDBM\QueryFactory\SmartEagerLoad\StorageNode; |
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use TheCodingMachine\TDBM\TDBMException; |
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use function implode; |
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use function strpos; |
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class StaticPartialQuery implements PartialQuery |
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{ |
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/** |
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* @var string |
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*/ |
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private $queryFrom; |
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/** |
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* @var string[] |
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*/ |
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private $mainTables; |
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/** |
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* @var StorageNode |
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*/ |
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private $storageNode; |
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/** |
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* @var array<string, mixed> |
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*/ |
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private $parameters; |
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/** |
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* @var MagicQuery |
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*/ |
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private $magicQuery; |
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/** |
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* @var string |
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*/ |
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private $magicFrom; |
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/** |
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* @param array<string, mixed> $parameters |
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* @param string[] $mainTables |
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*/ |
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public function __construct(string $queryFrom, array $parameters, array $mainTables, StorageNode $storageNode, MagicQuery $magicQuery) |
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{ |
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$this->queryFrom = $queryFrom; |
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$this->mainTables = $mainTables; |
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$this->storageNode = $storageNode; |
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$this->parameters = $parameters; |
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$this->magicQuery = $magicQuery; |
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} |
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/** |
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* Returns the SQL of the query, starting at the FROM keyword. |
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*/ |
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public function getQueryFrom(): string |
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{ |
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if ($this->magicFrom === null) { |
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// FIXME: we need to use buildPreparedStatement for better performances here. |
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$sql = 'SELECT '; |
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$mysqlPlatform = new MySqlPlatform(); |
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$tables = []; |
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foreach ($this->mainTables as $table) { |
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$tables[] = $mysqlPlatform->quoteIdentifier($table).'.*'; |
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} |
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$sql .= implode(', ', $tables); |
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$sql .= ' '.$this->queryFrom; |
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$this->magicQuery->setOutputDialect($mysqlPlatform); |
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$sql = $this->magicQuery->build($sql, $this->parameters); |
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$this->magicQuery->setOutputDialect(null); |
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$fromIndex = strpos($sql, 'FROM'); |
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if ($fromIndex === false) { |
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throw new TDBMException('Expected smart eager loader query to contain a "FROM"'); |
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} |
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$this->magicFrom = substr($sql, $fromIndex); |
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} |
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return $this->magicFrom; |
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} |
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/** |
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* Returns a key representing the "path" to this query. This is meant to be used as a cache key. |
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*/ |
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public function getKey(): string |
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{ |
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return ''; |
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} |
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/** |
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* Registers a dataloader for this query, if needed. |
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*/ |
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public function registerDataLoader(Connection $connection): void |
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{ |
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throw new TDBMException('Cannot register a dataloader for root query'); |
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} |
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/** |
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* Returns the object in charge of storing the dataloader associated to this query. |
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*/ |
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public function getStorageNode(): StorageNode |
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{ |
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return $this->storageNode; |
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} |
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/** |
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* @return array<string, mixed> |
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*/ |
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public function getParameters(): array |
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{ |
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return $this->parameters; |
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} |
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public function getMagicQuery(): MagicQuery |
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{ |
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return $this->magicQuery; |
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} |
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} |
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