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<?php declare(strict_types=1); namespace Doctrine\ORM\Tools\Pagination; use Doctrine\ORM\Query\AST\ArithmeticExpression; use Doctrine\ORM\Query\AST\ConditionalExpression; use Doctrine\ORM\Query\AST\ConditionalPrimary; use Doctrine\ORM\Query\AST\ConditionalTerm; use Doctrine\ORM\Query\AST\InListExpression; use Doctrine\ORM\Query\AST\InputParameter; use Doctrine\ORM\Query\AST\NullComparisonExpression; use Doctrine\ORM\Query\AST\PathExpression; use Doctrine\ORM\Query\AST\SelectStatement; use Doctrine\ORM\Query\AST\SimpleArithmeticExpression; use Doctrine\ORM\Query\AST\WhereClause; use Doctrine\ORM\Query\TreeWalkerAdapter; use RuntimeException; use function count; use function reset; /** * Appends a condition equivalent to "WHERE IN (:dpid_1, :dpid_2, ...)" to the whereClause of the AST. * * The parameter namespace (dpid) is defined by * the PAGINATOR_ID_ALIAS * * The HINT_PAGINATOR_HAS_IDS query hint indicates whether there are * any ids in the parameter at all. */ class WhereInWalker extends TreeWalkerAdapter { /** * ID Count hint name. */ public const HINT_PAGINATOR_HAS_IDS = 'doctrine.paginator_has_ids'; /** * Primary key alias for query. */ public const PAGINATOR_ID_ALIAS = 'dpid'; public function walkSelectStatement(SelectStatement $AST) { // Get the root entity and alias from the AST fromClause $from = $AST->fromClause->identificationVariableDeclarations; if (count($from) > 1) { throw new RuntimeException('Cannot count query which selects two FROM components, cannot make distinction'); } $fromRoot = reset($from); $rootAlias = $fromRoot->rangeVariableDeclaration->aliasIdentificationVariable; $rootClass = $this->getMetadataForDqlAlias($rootAlias); $identifierFieldName = $rootClass->getSingleIdentifierFieldName(); $pathType = PathExpression::TYPE_STATE_FIELD; if (isset($rootClass->associationMappings[$identifierFieldName])) { $pathType = PathExpression::TYPE_SINGLE_VALUED_ASSOCIATION; } $pathExpression = new PathExpression(PathExpression::TYPE_STATE_FIELD | PathExpression::TYPE_SINGLE_VALUED_ASSOCIATION, $rootAlias, $identifierFieldName); $pathExpression->type = $pathType; $hasIds = $this->_getQuery()->getHint(self::HINT_PAGINATOR_HAS_IDS); if ($hasIds) { $arithmeticExpression = new ArithmeticExpression(); $arithmeticExpression->simpleArithmeticExpression = new SimpleArithmeticExpression( [$pathExpression] ); $expression = new InListExpression( $arithmeticExpression, [new InputParameter(':' . self::PAGINATOR_ID_ALIAS)] ); } else { $expression = new NullComparisonExpression($pathExpression); } $conditionalPrimary = new ConditionalPrimary(); $conditionalPrimary->simpleConditionalExpression = $expression; if ($AST->whereClause) { if ($AST->whereClause->conditionalExpression instanceof ConditionalTerm) { $AST->whereClause->conditionalExpression->conditionalFactors[] = $conditionalPrimary; } elseif ($AST->whereClause->conditionalExpression instanceof ConditionalPrimary) { $AST->whereClause->conditionalExpression = new ConditionalExpression( [ new ConditionalTerm( [ $AST->whereClause->conditionalExpression, $conditionalPrimary, ] ), ] ); } else { $tmpPrimary = new ConditionalPrimary(); $tmpPrimary->conditionalExpression = $AST->whereClause->conditionalExpression; $AST->whereClause->conditionalExpression = new ConditionalTerm( [ $tmpPrimary, $conditionalPrimary, ] ); } } else { $AST->whereClause = new WhereClause( new ConditionalExpression( [new ConditionalTerm([$conditionalPrimary])] ) ); } } }