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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\ORM\Query; |
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use Doctrine\ORM\Query\AST\Functions\FunctionNode; |
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use Doctrine\ORM\Query\AST\Literal; |
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use Doctrine\ORM\Query\AST\Node; |
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use Doctrine\ORM\Query\Lexer; |
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use Doctrine\ORM\Query\Parser; |
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use Doctrine\ORM\Query\SqlWalker; |
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use Exception; |
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/** |
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* A custom DQL function to be able to use `IN` clause but with native SQL sub-queries. |
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* |
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* This is especially useful when we want to benefit from DQL builder, paginator, |
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* automatic ACL filter etc., but still have to have some advanced conditions in sub-queries. |
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* |
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* DQL must not be handwritten, but instead `self::dql()` should be used |
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*/ |
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class NativeIn extends FunctionNode |
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{ |
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private string|Node $field; |
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private Literal $nativeQuery; |
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private Literal $isNot; |
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/** |
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* Generate DQL `IN` clause with a native sub-query. |
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* |
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* @param string $field DQL for the field |
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* @param string $nativeSql native SQL sub-query |
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*/ |
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public static function dql(string $field, string $nativeSql, bool $isNot = false): string |
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{ |
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$quotedNativeSql = "'" . str_replace("'", "''", $nativeSql) . "'"; |
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return 'NATIVE_IN(' . $field . ', ' . $quotedNativeSql . ', ' . (int) $isNot . ') = TRUE'; |
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} |
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public function parse(Parser $parser): void |
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{ |
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$parser->match(Lexer::T_IDENTIFIER); |
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$parser->match(Lexer::T_OPEN_PARENTHESIS); |
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$this->field = $parser->ArithmeticPrimary(); |
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$parser->match(Lexer::T_COMMA); |
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$this->nativeQuery = $parser->Literal(); |
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$parser->match(Lexer::T_COMMA); |
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$this->isNot = $parser->Literal(); |
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$parser->match(Lexer::T_CLOSE_PARENTHESIS); |
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} |
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public function getSql(SqlWalker $sqlWalker): string |
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{ |
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$field = is_string($this->field) ? $sqlWalker->walkResultVariable($this->field) : $this->field->dispatch($sqlWalker); |
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$nativeSql = $this->nativeQuery->dispatch($sqlWalker); |
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$nativeSql = preg_replace("~^'(.*)'$~", '\\1', $nativeSql); |
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if ($nativeSql === null) { |
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throw new Exception('Error while unquoting native SQL'); |
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} |
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$unquotedNativeSql = str_replace(["\\'", '\\n'], ["'", "\n"], $nativeSql); |
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$isNot = $this->isNot->dispatch($sqlWalker); |
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$sql = $field . ($isNot ? ' NOT' : '') . ' IN (' . $unquotedNativeSql . ')'; |
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return $sql; |
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} |
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} |
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Ecodev /
felix
