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Diffstat (limited to 'vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryOutputWalker.php')
-rw-r--r-- | vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryOutputWalker.php | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryOutputWalker.php b/vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryOutputWalker.php new file mode 100644 index 0000000..8bbc44c --- /dev/null +++ b/vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryOutputWalker.php | |||
@@ -0,0 +1,544 @@ | |||
1 | <?php | ||
2 | |||
3 | declare(strict_types=1); | ||
4 | |||
5 | namespace Doctrine\ORM\Tools\Pagination; | ||
6 | |||
7 | use Doctrine\DBAL\Platforms\AbstractPlatform; | ||
8 | use Doctrine\DBAL\Platforms\DB2Platform; | ||
9 | use Doctrine\DBAL\Platforms\OraclePlatform; | ||
10 | use Doctrine\DBAL\Platforms\PostgreSQLPlatform; | ||
11 | use Doctrine\DBAL\Platforms\SQLServerPlatform; | ||
12 | use Doctrine\ORM\EntityManagerInterface; | ||
13 | use Doctrine\ORM\Mapping\QuoteStrategy; | ||
14 | use Doctrine\ORM\OptimisticLockException; | ||
15 | use Doctrine\ORM\Query; | ||
16 | use Doctrine\ORM\Query\AST\OrderByClause; | ||
17 | use Doctrine\ORM\Query\AST\PathExpression; | ||
18 | use Doctrine\ORM\Query\AST\SelectExpression; | ||
19 | use Doctrine\ORM\Query\AST\SelectStatement; | ||
20 | use Doctrine\ORM\Query\AST\Subselect; | ||
21 | use Doctrine\ORM\Query\Parser; | ||
22 | use Doctrine\ORM\Query\ParserResult; | ||
23 | use Doctrine\ORM\Query\QueryException; | ||
24 | use Doctrine\ORM\Query\ResultSetMapping; | ||
25 | use Doctrine\ORM\Query\SqlWalker; | ||
26 | use RuntimeException; | ||
27 | |||
28 | use function array_diff; | ||
29 | use function array_keys; | ||
30 | use function assert; | ||
31 | use function count; | ||
32 | use function implode; | ||
33 | use function in_array; | ||
34 | use function is_string; | ||
35 | use function method_exists; | ||
36 | use function preg_replace; | ||
37 | use function reset; | ||
38 | use function sprintf; | ||
39 | use function strrpos; | ||
40 | use function substr; | ||
41 | |||
42 | /** | ||
43 | * Wraps the query in order to select root entity IDs for pagination. | ||
44 | * | ||
45 | * Given a DQL like `SELECT u FROM User u` it will generate an SQL query like: | ||
46 | * SELECT DISTINCT <id> FROM (<original SQL>) LIMIT x OFFSET y | ||
47 | * | ||
48 | * Works with composite keys but cannot deal with queries that have multiple | ||
49 | * root entities (e.g. `SELECT f, b from Foo, Bar`) | ||
50 | * | ||
51 | * @psalm-import-type QueryComponent from Parser | ||
52 | */ | ||
53 | class LimitSubqueryOutputWalker extends SqlWalker | ||
54 | { | ||
55 | private const ORDER_BY_PATH_EXPRESSION = '/(?<![a-z0-9_])%s\.%s(?![a-z0-9_])/i'; | ||
56 | |||
57 | private readonly AbstractPlatform $platform; | ||
58 | private readonly ResultSetMapping $rsm; | ||
59 | private readonly int $firstResult; | ||
60 | private readonly int|null $maxResults; | ||
61 | private readonly EntityManagerInterface $em; | ||
62 | private readonly QuoteStrategy $quoteStrategy; | ||
63 | |||
64 | /** @var list<PathExpression> */ | ||
65 | private array $orderByPathExpressions = []; | ||
66 | |||
67 | /** | ||
68 | * We don't want to add path expressions from sub-selects into the select clause of the containing query. | ||
69 | * This state flag simply keeps track on whether we are walking on a subquery or not | ||
70 | */ | ||
71 | private bool $inSubSelect = false; | ||
72 | |||
73 | /** | ||
74 | * Stores various parameters that are otherwise unavailable | ||
75 | * because Doctrine\ORM\Query\SqlWalker keeps everything private without | ||
76 | * accessors. | ||
77 | * | ||
78 | * {@inheritDoc} | ||
79 | */ | ||
80 | public function __construct( | ||
81 | Query $query, | ||
82 | ParserResult $parserResult, | ||
83 | array $queryComponents, | ||
84 | ) { | ||
85 | $this->platform = $query->getEntityManager()->getConnection()->getDatabasePlatform(); | ||
86 | $this->rsm = $parserResult->getResultSetMapping(); | ||
87 | |||
88 | // Reset limit and offset | ||
89 | $this->firstResult = $query->getFirstResult(); | ||
90 | $this->maxResults = $query->getMaxResults(); | ||
91 | $query->setFirstResult(0)->setMaxResults(null); | ||
92 | |||
93 | $this->em = $query->getEntityManager(); | ||
94 | $this->quoteStrategy = $this->em->getConfiguration()->getQuoteStrategy(); | ||
95 | |||
96 | parent::__construct($query, $parserResult, $queryComponents); | ||
97 | } | ||
98 | |||
99 | /** | ||
100 | * Check if the platform supports the ROW_NUMBER window function. | ||
101 | */ | ||
102 | private function platformSupportsRowNumber(): bool | ||
103 | { | ||
104 | return $this->platform instanceof PostgreSQLPlatform | ||
105 | || $this->platform instanceof SQLServerPlatform | ||
106 | || $this->platform instanceof OraclePlatform | ||
107 | || $this->platform instanceof DB2Platform | ||
108 | || (method_exists($this->platform, 'supportsRowNumberFunction') | ||
109 | && $this->platform->supportsRowNumberFunction()); | ||
110 | } | ||
111 | |||
112 | /** | ||
113 | * Rebuilds a select statement's order by clause for use in a | ||
114 | * ROW_NUMBER() OVER() expression. | ||
115 | */ | ||
116 | private function rebuildOrderByForRowNumber(SelectStatement $AST): void | ||
117 | { | ||
118 | $orderByClause = $AST->orderByClause; | ||
119 | $selectAliasToExpressionMap = []; | ||
120 | // Get any aliases that are available for select expressions. | ||
121 | foreach ($AST->selectClause->selectExpressions as $selectExpression) { | ||
122 | $selectAliasToExpressionMap[$selectExpression->fieldIdentificationVariable] = $selectExpression->expression; | ||
123 | } | ||
124 | |||
125 | // Rebuild string orderby expressions to use the select expression they're referencing | ||
126 | foreach ($orderByClause->orderByItems as $orderByItem) { | ||
127 | if (is_string($orderByItem->expression) && isset($selectAliasToExpressionMap[$orderByItem->expression])) { | ||
128 | $orderByItem->expression = $selectAliasToExpressionMap[$orderByItem->expression]; | ||
129 | } | ||
130 | } | ||
131 | |||
132 | $func = new RowNumberOverFunction('dctrn_rownum'); | ||
133 | $func->orderByClause = $AST->orderByClause; | ||
134 | $AST->selectClause->selectExpressions[] = new SelectExpression($func, 'dctrn_rownum', true); | ||
135 | |||
136 | // No need for an order by clause, we'll order by rownum in the outer query. | ||
137 | $AST->orderByClause = null; | ||
138 | } | ||
139 | |||
140 | public function walkSelectStatement(SelectStatement $selectStatement): string | ||
141 | { | ||
142 | if ($this->platformSupportsRowNumber()) { | ||
143 | return $this->walkSelectStatementWithRowNumber($selectStatement); | ||
144 | } | ||
145 | |||
146 | return $this->walkSelectStatementWithoutRowNumber($selectStatement); | ||
147 | } | ||
148 | |||
149 | /** | ||
150 | * Walks down a SelectStatement AST node, wrapping it in a SELECT DISTINCT. | ||
151 | * This method is for use with platforms which support ROW_NUMBER. | ||
152 | * | ||
153 | * @throws RuntimeException | ||
154 | */ | ||
155 | public function walkSelectStatementWithRowNumber(SelectStatement $AST): string | ||
156 | { | ||
157 | $hasOrderBy = false; | ||
158 | $outerOrderBy = ' ORDER BY dctrn_minrownum ASC'; | ||
159 | $orderGroupBy = ''; | ||
160 | if ($AST->orderByClause instanceof OrderByClause) { | ||
161 | $hasOrderBy = true; | ||
162 | $this->rebuildOrderByForRowNumber($AST); | ||
163 | } | ||
164 | |||
165 | $innerSql = $this->getInnerSQL($AST); | ||
166 | |||
167 | $sqlIdentifier = $this->getSQLIdentifier($AST); | ||
168 | |||
169 | if ($hasOrderBy) { | ||
170 | $orderGroupBy = ' GROUP BY ' . implode(', ', $sqlIdentifier); | ||
171 | $sqlIdentifier[] = 'MIN(' . $this->walkResultVariable('dctrn_rownum') . ') AS dctrn_minrownum'; | ||
172 | } | ||
173 | |||
174 | // Build the counter query | ||
175 | $sql = sprintf( | ||
176 | 'SELECT DISTINCT %s FROM (%s) dctrn_result', | ||
177 | implode(', ', $sqlIdentifier), | ||
178 | $innerSql, | ||
179 | ); | ||
180 | |||
181 | if ($hasOrderBy) { | ||
182 | $sql .= $orderGroupBy . $outerOrderBy; | ||
183 | } | ||
184 | |||
185 | // Apply the limit and offset. | ||
186 | $sql = $this->platform->modifyLimitQuery( | ||
187 | $sql, | ||
188 | $this->maxResults, | ||
189 | $this->firstResult, | ||
190 | ); | ||
191 | |||
192 | // Add the columns to the ResultSetMapping. It's not really nice but | ||
193 | // it works. Preferably I'd clear the RSM or simply create a new one | ||
194 | // but that is not possible from inside the output walker, so we dirty | ||
195 | // up the one we have. | ||
196 | foreach ($sqlIdentifier as $property => $alias) { | ||
197 | $this->rsm->addScalarResult($alias, $property); | ||
198 | } | ||
199 | |||
200 | return $sql; | ||
201 | } | ||
202 | |||
203 | /** | ||
204 | * Walks down a SelectStatement AST node, wrapping it in a SELECT DISTINCT. | ||
205 | * This method is for platforms which DO NOT support ROW_NUMBER. | ||
206 | * | ||
207 | * @throws RuntimeException | ||
208 | */ | ||
209 | public function walkSelectStatementWithoutRowNumber(SelectStatement $AST, bool $addMissingItemsFromOrderByToSelect = true): string | ||
210 | { | ||
211 | // We don't want to call this recursively! | ||
212 | if ($AST->orderByClause instanceof OrderByClause && $addMissingItemsFromOrderByToSelect) { | ||
213 | // In the case of ordering a query by columns from joined tables, we | ||
214 | // must add those columns to the select clause of the query BEFORE | ||
215 | // the SQL is generated. | ||
216 | $this->addMissingItemsFromOrderByToSelect($AST); | ||
217 | } | ||
218 | |||
219 | // Remove order by clause from the inner query | ||
220 | // It will be re-appended in the outer select generated by this method | ||
221 | $orderByClause = $AST->orderByClause; | ||
222 | $AST->orderByClause = null; | ||
223 | |||
224 | $innerSql = $this->getInnerSQL($AST); | ||
225 | |||
226 | $sqlIdentifier = $this->getSQLIdentifier($AST); | ||
227 | |||
228 | // Build the counter query | ||
229 | $sql = sprintf( | ||
230 | 'SELECT DISTINCT %s FROM (%s) dctrn_result', | ||
231 | implode(', ', $sqlIdentifier), | ||
232 | $innerSql, | ||
233 | ); | ||
234 | |||
235 | // https://github.com/doctrine/orm/issues/2630 | ||
236 | $sql = $this->preserveSqlOrdering($sqlIdentifier, $innerSql, $sql, $orderByClause); | ||
237 | |||
238 | // Apply the limit and offset. | ||
239 | $sql = $this->platform->modifyLimitQuery( | ||
240 | $sql, | ||
241 | $this->maxResults, | ||
242 | $this->firstResult, | ||
243 | ); | ||
244 | |||
245 | // Add the columns to the ResultSetMapping. It's not really nice but | ||
246 | // it works. Preferably I'd clear the RSM or simply create a new one | ||
247 | // but that is not possible from inside the output walker, so we dirty | ||
248 | // up the one we have. | ||
249 | foreach ($sqlIdentifier as $property => $alias) { | ||
250 | $this->rsm->addScalarResult($alias, $property); | ||
251 | } | ||
252 | |||
253 | // Restore orderByClause | ||
254 | $AST->orderByClause = $orderByClause; | ||
255 | |||
256 | return $sql; | ||
257 | } | ||
258 | |||
259 | /** | ||
260 | * Finds all PathExpressions in an AST's OrderByClause, and ensures that | ||
261 | * the referenced fields are present in the SelectClause of the passed AST. | ||
262 | */ | ||
263 | private function addMissingItemsFromOrderByToSelect(SelectStatement $AST): void | ||
264 | { | ||
265 | $this->orderByPathExpressions = []; | ||
266 | |||
267 | // We need to do this in another walker because otherwise we'll end up | ||
268 | // polluting the state of this one. | ||
269 | $walker = clone $this; | ||
270 | |||
271 | // This will populate $orderByPathExpressions via | ||
272 | // LimitSubqueryOutputWalker::walkPathExpression, which will be called | ||
273 | // as the select statement is walked. We'll end up with an array of all | ||
274 | // path expressions referenced in the query. | ||
275 | $walker->walkSelectStatementWithoutRowNumber($AST, false); | ||
276 | $orderByPathExpressions = $walker->getOrderByPathExpressions(); | ||
277 | |||
278 | // Get a map of referenced identifiers to field names. | ||
279 | $selects = []; | ||
280 | foreach ($orderByPathExpressions as $pathExpression) { | ||
281 | assert($pathExpression->field !== null); | ||
282 | $idVar = $pathExpression->identificationVariable; | ||
283 | $field = $pathExpression->field; | ||
284 | if (! isset($selects[$idVar])) { | ||
285 | $selects[$idVar] = []; | ||
286 | } | ||
287 | |||
288 | $selects[$idVar][$field] = true; | ||
289 | } | ||
290 | |||
291 | // Loop the select clause of the AST and exclude items from $select | ||
292 | // that are already being selected in the query. | ||
293 | foreach ($AST->selectClause->selectExpressions as $selectExpression) { | ||
294 | if ($selectExpression instanceof SelectExpression) { | ||
295 | $idVar = $selectExpression->expression; | ||
296 | if (! is_string($idVar)) { | ||
297 | continue; | ||
298 | } | ||
299 | |||
300 | $field = $selectExpression->fieldIdentificationVariable; | ||
301 | if ($field === null) { | ||
302 | // No need to add this select, as we're already fetching the whole object. | ||
303 | unset($selects[$idVar]); | ||
304 | } else { | ||
305 | unset($selects[$idVar][$field]); | ||
306 | } | ||
307 | } | ||
308 | } | ||
309 | |||
310 | // Add select items which were not excluded to the AST's select clause. | ||
311 | foreach ($selects as $idVar => $fields) { | ||
312 | $AST->selectClause->selectExpressions[] = new SelectExpression($idVar, null, true); | ||
313 | } | ||
314 | } | ||
315 | |||
316 | /** | ||
317 | * Generates new SQL for statements with an order by clause | ||
318 | * | ||
319 | * @param mixed[] $sqlIdentifier | ||
320 | */ | ||
321 | private function preserveSqlOrdering( | ||
322 | array $sqlIdentifier, | ||
323 | string $innerSql, | ||
324 | string $sql, | ||
325 | OrderByClause|null $orderByClause, | ||
326 | ): string { | ||
327 | // If the sql statement has an order by clause, we need to wrap it in a new select distinct statement | ||
328 | if (! $orderByClause) { | ||
329 | return $sql; | ||
330 | } | ||
331 | |||
332 | // now only select distinct identifier | ||
333 | return sprintf( | ||
334 | 'SELECT DISTINCT %s FROM (%s) dctrn_result', | ||
335 | implode(', ', $sqlIdentifier), | ||
336 | $this->recreateInnerSql($orderByClause, $sqlIdentifier, $innerSql), | ||
337 | ); | ||
338 | } | ||
339 | |||
340 | /** | ||
341 | * Generates a new SQL statement for the inner query to keep the correct sorting | ||
342 | * | ||
343 | * @param mixed[] $identifiers | ||
344 | */ | ||
345 | private function recreateInnerSql( | ||
346 | OrderByClause $orderByClause, | ||
347 | array $identifiers, | ||
348 | string $innerSql, | ||
349 | ): string { | ||
350 | [$searchPatterns, $replacements] = $this->generateSqlAliasReplacements(); | ||
351 | $orderByItems = []; | ||
352 | |||
353 | foreach ($orderByClause->orderByItems as $orderByItem) { | ||
354 | // Walk order by item to get string representation of it and | ||
355 | // replace path expressions in the order by clause with their column alias | ||
356 | $orderByItemString = preg_replace( | ||
357 | $searchPatterns, | ||
358 | $replacements, | ||
359 | $this->walkOrderByItem($orderByItem), | ||
360 | ); | ||
361 | |||
362 | $orderByItems[] = $orderByItemString; | ||
363 | $identifier = substr($orderByItemString, 0, strrpos($orderByItemString, ' ')); | ||
364 | |||
365 | if (! in_array($identifier, $identifiers, true)) { | ||
366 | $identifiers[] = $identifier; | ||
367 | } | ||
368 | } | ||
369 | |||
370 | return $sql = sprintf( | ||
371 | 'SELECT DISTINCT %s FROM (%s) dctrn_result_inner ORDER BY %s', | ||
372 | implode(', ', $identifiers), | ||
373 | $innerSql, | ||
374 | implode(', ', $orderByItems), | ||
375 | ); | ||
376 | } | ||
377 | |||
378 | /** | ||
379 | * @return string[][] | ||
380 | * @psalm-return array{0: list<non-empty-string>, 1: list<string>} | ||
381 | */ | ||
382 | private function generateSqlAliasReplacements(): array | ||
383 | { | ||
384 | $aliasMap = $searchPatterns = $replacements = $metadataList = []; | ||
385 | |||
386 | // Generate DQL alias -> SQL table alias mapping | ||
387 | foreach (array_keys($this->rsm->aliasMap) as $dqlAlias) { | ||
388 | $metadataList[$dqlAlias] = $class = $this->getMetadataForDqlAlias($dqlAlias); | ||
389 | $aliasMap[$dqlAlias] = $this->getSQLTableAlias($class->getTableName(), $dqlAlias); | ||
390 | } | ||
391 | |||
392 | // Generate search patterns for each field's path expression in the order by clause | ||
393 | foreach ($this->rsm->fieldMappings as $fieldAlias => $fieldName) { | ||
394 | $dqlAliasForFieldAlias = $this->rsm->columnOwnerMap[$fieldAlias]; | ||
395 | $class = $metadataList[$dqlAliasForFieldAlias]; | ||
396 | |||
397 | // If the field is from a joined child table, we won't be ordering on it. | ||
398 | if (! isset($class->fieldMappings[$fieldName])) { | ||
399 | continue; | ||
400 | } | ||
401 | |||
402 | $fieldMapping = $class->fieldMappings[$fieldName]; | ||
403 | |||
404 | // Get the proper column name as will appear in the select list | ||
405 | $columnName = $this->quoteStrategy->getColumnName( | ||
406 | $fieldName, | ||
407 | $metadataList[$dqlAliasForFieldAlias], | ||
408 | $this->em->getConnection()->getDatabasePlatform(), | ||
409 | ); | ||
410 | |||
411 | // Get the SQL table alias for the entity and field | ||
412 | $sqlTableAliasForFieldAlias = $aliasMap[$dqlAliasForFieldAlias]; | ||
413 | |||
414 | if (isset($fieldMapping->declared) && $fieldMapping->declared !== $class->name) { | ||
415 | // Field was declared in a parent class, so we need to get the proper SQL table alias | ||
416 | // for the joined parent table. | ||
417 | $otherClassMetadata = $this->em->getClassMetadata($fieldMapping->declared); | ||
418 | |||
419 | if (! $otherClassMetadata->isMappedSuperclass) { | ||
420 | $sqlTableAliasForFieldAlias = $this->getSQLTableAlias($otherClassMetadata->getTableName(), $dqlAliasForFieldAlias); | ||
421 | } | ||
422 | } | ||
423 | |||
424 | // Compose search and replace patterns | ||
425 | $searchPatterns[] = sprintf(self::ORDER_BY_PATH_EXPRESSION, $sqlTableAliasForFieldAlias, $columnName); | ||
426 | $replacements[] = $fieldAlias; | ||
427 | } | ||
428 | |||
429 | return [$searchPatterns, $replacements]; | ||
430 | } | ||
431 | |||
432 | /** | ||
433 | * getter for $orderByPathExpressions | ||
434 | * | ||
435 | * @return list<PathExpression> | ||
436 | */ | ||
437 | public function getOrderByPathExpressions(): array | ||
438 | { | ||
439 | return $this->orderByPathExpressions; | ||
440 | } | ||
441 | |||
442 | /** | ||
443 | * @throws OptimisticLockException | ||
444 | * @throws QueryException | ||
445 | */ | ||
446 | private function getInnerSQL(SelectStatement $AST): string | ||
447 | { | ||
448 | // Set every select expression as visible(hidden = false) to | ||
449 | // make $AST have scalar mappings properly - this is relevant for referencing selected | ||
450 | // fields from outside the subquery, for example in the ORDER BY segment | ||
451 | $hiddens = []; | ||
452 | |||
453 | foreach ($AST->selectClause->selectExpressions as $idx => $expr) { | ||
454 | $hiddens[$idx] = $expr->hiddenAliasResultVariable; | ||
455 | $expr->hiddenAliasResultVariable = false; | ||
456 | } | ||
457 | |||
458 | $innerSql = parent::walkSelectStatement($AST); | ||
459 | |||
460 | // Restore hiddens | ||
461 | foreach ($AST->selectClause->selectExpressions as $idx => $expr) { | ||
462 | $expr->hiddenAliasResultVariable = $hiddens[$idx]; | ||
463 | } | ||
464 | |||
465 | return $innerSql; | ||
466 | } | ||
467 | |||
468 | /** @return string[] */ | ||
469 | private function getSQLIdentifier(SelectStatement $AST): array | ||
470 | { | ||
471 | // Find out the SQL alias of the identifier column of the root entity. | ||
472 | // It may be possible to make this work with multiple root entities but that | ||
473 | // would probably require issuing multiple queries or doing a UNION SELECT. | ||
474 | // So for now, it's not supported. | ||
475 | |||
476 | // Get the root entity and alias from the AST fromClause. | ||
477 | $from = $AST->fromClause->identificationVariableDeclarations; | ||
478 | if (count($from) !== 1) { | ||
479 | throw new RuntimeException('Cannot count query which selects two FROM components, cannot make distinction'); | ||
480 | } | ||
481 | |||
482 | $fromRoot = reset($from); | ||
483 | $rootAlias = $fromRoot->rangeVariableDeclaration->aliasIdentificationVariable; | ||
484 | $rootClass = $this->getMetadataForDqlAlias($rootAlias); | ||
485 | $rootIdentifier = $rootClass->identifier; | ||
486 | |||
487 | // For every identifier, find out the SQL alias by combing through the ResultSetMapping | ||
488 | $sqlIdentifier = []; | ||
489 | foreach ($rootIdentifier as $property) { | ||
490 | if (isset($rootClass->fieldMappings[$property])) { | ||
491 | foreach (array_keys($this->rsm->fieldMappings, $property, true) as $alias) { | ||
492 | if ($this->rsm->columnOwnerMap[$alias] === $rootAlias) { | ||
493 | $sqlIdentifier[$property] = $alias; | ||
494 | } | ||
495 | } | ||
496 | } | ||
497 | |||
498 | if (isset($rootClass->associationMappings[$property])) { | ||
499 | $association = $rootClass->associationMappings[$property]; | ||
500 | assert($association->isToOneOwningSide()); | ||
501 | $joinColumn = $association->joinColumns[0]->name; | ||
502 | |||
503 | foreach (array_keys($this->rsm->metaMappings, $joinColumn, true) as $alias) { | ||
504 | if ($this->rsm->columnOwnerMap[$alias] === $rootAlias) { | ||
505 | $sqlIdentifier[$property] = $alias; | ||
506 | } | ||
507 | } | ||
508 | } | ||
509 | } | ||
510 | |||
511 | if (count($sqlIdentifier) === 0) { | ||
512 | throw new RuntimeException('The Paginator does not support Queries which only yield ScalarResults.'); | ||
513 | } | ||
514 | |||
515 | if (count($rootIdentifier) !== count($sqlIdentifier)) { | ||
516 | throw new RuntimeException(sprintf( | ||
517 | 'Not all identifier properties can be found in the ResultSetMapping: %s', | ||
518 | implode(', ', array_diff($rootIdentifier, array_keys($sqlIdentifier))), | ||
519 | )); | ||
520 | } | ||
521 | |||
522 | return $sqlIdentifier; | ||
523 | } | ||
524 | |||
525 | public function walkPathExpression(PathExpression $pathExpr): string | ||
526 | { | ||
527 | if (! $this->inSubSelect && ! $this->platformSupportsRowNumber() && ! in_array($pathExpr, $this->orderByPathExpressions, true)) { | ||
528 | $this->orderByPathExpressions[] = $pathExpr; | ||
529 | } | ||
530 | |||
531 | return parent::walkPathExpression($pathExpr); | ||
532 | } | ||
533 | |||
534 | public function walkSubSelect(Subselect $subselect): string | ||
535 | { | ||
536 | $this->inSubSelect = true; | ||
537 | |||
538 | $sql = parent::walkSubselect($subselect); | ||
539 | |||
540 | $this->inSubSelect = false; | ||
541 | |||
542 | return $sql; | ||
543 | } | ||
544 | } | ||