Symfony Profiler

Query Metrics

12 Database Queries

10 Different statements

23.37 ms Query time

2 Invalid entities

14 Managed entities

Grouped Statements

Show all queries

Time▼

Count

Info

4.68 ms
(20.01%)

SELECT t0.id AS id_1, t0.text AS text_2, t0.explanation AS explanation_3, t0.type AS type_4, t0.sort_order AS sort_order_5, t0.is_active AS is_active_6, t0.points AS points_7, t0.section_id AS section_id_8 FROM question t0 WHERE t0.id = ?

Parameters:

[
  "5795"
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.text AS text_2,
  t0.explanation AS explanation_3,
  t0.type AS type_4,
  t0.sort_order AS sort_order_5,
  t0.is_active AS is_active_6,
  t0.points AS points_7,
  t0.section_id AS section_id_8
FROM
  question t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.text AS text_2, t0.explanation AS explanation_3, t0.type AS type_4, t0.sort_order AS sort_order_5, t0.is_active AS is_active_6, t0.points AS points_7, t0.section_id AS section_id_8 FROM question t0 WHERE t0.id = '5795';

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\EntityManager->find (line 366)
4	Doctrine\ORM\EntityRepository->find (line 86)
5	Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepositoryProxy->find (line 61)
6	Symfony\Bridge\Doctrine\ArgumentResolver\EntityValueResolver->find (line 129)
7	Symfony\Bridge\Doctrine\ArgumentResolver\EntityValueResolver->resolve (line 69)
8	Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver->resolve (line 37)
9	Symfony\Component\HttpKernel\Controller\ArgumentResolver->getArguments (line 91)
10	Symfony\Component\HttpKernel\Controller\TraceableArgumentResolver->getArguments (line 33)
11	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 175)
12	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
13	Symfony\Component\HttpKernel\Kernel->handle (line 182)
14	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
15	require_once (line 29)
16	require_once (line 5)

4.02 ms
(17.19%)

SELECT t0.id AS id_1, t0.login AS login_2, t0.roles AS roles_3, t0.password AS password_4, t0.active_session_token AS active_session_token_5, t0.full_name AS full_name_6, t0.is_active AS is_active_7, t0.created_at AS created_at_8, t0.access_until AS access_until_9 FROM "user" t0 WHERE t0.id = ?

Parameters:

[
  182
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.login AS login_2,
  t0.roles AS roles_3,
  t0.password AS password_4,
  t0.active_session_token AS active_session_token_5,
  t0.full_name AS full_name_6,
  t0.is_active AS is_active_7,
  t0.created_at AS created_at_8,
  t0.access_until AS access_until_9
FROM
  "user" t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.login AS login_2, t0.roles AS roles_3, t0.password AS password_4, t0.active_session_token AS active_session_token_5, t0.full_name AS full_name_6, t0.is_active AS is_active_7, t0.created_at AS created_at_8, t0.access_until AS access_until_9 FROM "user" t0 WHERE t0.id = 182;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\EntityManager->find (line 366)
4	Doctrine\ORM\EntityRepository->find (line 86)
5	Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepositoryProxy->find (line 61)
6	Symfony\Bridge\Doctrine\Security\User\EntityUserProvider->refreshUser (line 92)
7	Symfony\Component\Security\Http\Firewall\ContextListener->refreshUser (line 212)
8	Symfony\Component\Security\Http\Firewall\ContextListener->authenticate (line 129)
9	Symfony\Bundle\SecurityBundle\Debug\WrappedLazyListener->authenticate (line 46)
10	Symfony\Bundle\SecurityBundle\Security\LazyFirewallContext->__invoke (line 61)
11	Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener->callListeners (line 91)
12	Symfony\Component\Security\Http\Firewall->onKernelRequest (line 92)
13	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
14	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
15	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
16	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 126)
17	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 159)
18	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
19	Symfony\Component\HttpKernel\Kernel->handle (line 182)
20	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
21	require_once (line 29)
22	require_once (line 5)

3.73 ms
(15.97%)

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.subcategory_id AS subcategory_id_5 FROM section_group t0 WHERE t0.id = ?

Parameters:

[
  14
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.name AS name_2,
  t0.description AS description_3,
  t0.sort_order AS sort_order_4,
  t0.subcategory_id AS subcategory_id_5
FROM
  section_group t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.subcategory_id AS subcategory_id_5 FROM section_group t0 WHERE t0.id = 14;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\Proxy\ProxyFactory->Doctrine\ORM\Proxy\{closure} (line 289)
4	Proxies\__CG__\App\Entity\SectionGroup::Doctrine\ORM\Proxy\{closure} (line 367)
5	Symfony\Component\VarExporter\Internal\LazyObjectState::initialize (line 60)
6	Proxies\__CG__\App\Entity\SectionGroup->__get (line 153)
7	App\Entity\SectionGroup->getSubcategory (line 48)
8	App\Service\UserAccessManager->buildAccessMap (line 193)
9	App\Service\UserAccessManager->canAccessGroup (line 116)
10	App\Service\UserAccessManager->canAccessSection (line 144)
11	App\Service\UserAccessManager->canAccessQuestion (line 154)
12	App\Controller\QaController->question (line 155)
13	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
14	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
15	Symfony\Component\HttpKernel\Kernel->handle (line 182)
16	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
17	require_once (line 29)
18	require_once (line 5)

2.85 ms
(12.21%)

SELECT u0_.id AS id_0, u0_.user_id AS user_id_1, u0_.topic_id AS topic_id_2, u0_.category_id AS category_id_3, u0_.subcategory_id AS subcategory_id_4, u0_.section_group_id AS section_group_id_5 FROM user_access_grant u0_ WHERE u0_.user_id = ? ORDER BY u0_.id ASC

Parameters:

[
  182
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  u0_.id AS id_0,
  u0_.user_id AS user_id_1,
  u0_.topic_id AS topic_id_2,
  u0_.category_id AS category_id_3,
  u0_.subcategory_id AS subcategory_id_4,
  u0_.section_group_id AS section_group_id_5
FROM
  user_access_grant u0_
WHERE
  u0_.user_id = ?
ORDER BY
  u0_.id ASC

SELECT u0_.id AS id_0, u0_.user_id AS user_id_1, u0_.topic_id AS topic_id_2, u0_.category_id AS category_id_3, u0_.subcategory_id AS subcategory_id_4, u0_.section_group_id AS section_group_id_5 FROM user_access_grant u0_ WHERE u0_.user_id = 182 ORDER BY u0_.id ASC;

#	File/Call
1	Doctrine\ORM\Query\Exec\FinalizedSelectExecutor->execute (line 27)
2	Doctrine\ORM\Query->_doExecute (line 296)
3	Doctrine\ORM\AbstractQuery->executeIgnoreQueryCache (line 935)
4	Doctrine\ORM\AbstractQuery->execute (line 891)
5	Doctrine\ORM\AbstractQuery->getResult (line 689)
6	App\Repository\UserAccessGrantRepository->findActiveForUser (line 30)
7	App\Service\UserAccessManager->buildAccessMap (line 176)
8	App\Service\UserAccessManager->canAccessGroup (line 116)
9	App\Service\UserAccessManager->canAccessSection (line 144)
10	App\Service\UserAccessManager->canAccessQuestion (line 154)
11	App\Controller\QaController->question (line 155)
12	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
13	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
14	Symfony\Component\HttpKernel\Kernel->handle (line 182)
15	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
16	require_once (line 29)
17	require_once (line 5)

1.70 ms
(7.27%)

SELECT t0.id AS id_1, t0.text AS text_2, t0.is_correct AS is_correct_3, t0.sort_order AS sort_order_4, t0.question_id AS question_id_5 FROM answer_option t0 WHERE t0.question_id = ? ORDER BY t0.sort_order ASC, t0.id ASC

Parameters:

[
  5795
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.text AS text_2,
  t0.is_correct AS is_correct_3,
  t0.sort_order AS sort_order_4,
  t0.question_id AS question_id_5
FROM
  answer_option t0
WHERE
  t0.question_id = ?
ORDER BY
  t0.sort_order ASC,
  t0.id ASC

SELECT t0.id AS id_1, t0.text AS text_2, t0.is_correct AS is_correct_3, t0.sort_order AS sort_order_4, t0.question_id AS question_id_5 FROM answer_option t0 WHERE t0.question_id = 5795 ORDER BY t0.sort_order ASC, t0.id ASC;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->getOneToManyStatement (line 1845)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadOneToManyCollection (line 1790)
3	Doctrine\ORM\UnitOfWork->loadCollection (line 2722)
4	Doctrine\ORM\PersistentCollection->doInitialize (line 636)
5	Doctrine\ORM\PersistentCollection->initialize (line 186)
6	Doctrine\Common\Collections\AbstractLazyCollection->getIterator (line 313)
7	__TwigTemplate_01f083ad3909004f797c1df805cb05a9->block_body (line 230)
8	Twig\Template->yieldBlock (line 446)
9	__TwigTemplate_e6a4dd0fdc05fd1e3fce091de0f6130a->doDisplay (line 208)
10	Twig\Template->yield (line 402)
11	__TwigTemplate_01f083ad3909004f797c1df805cb05a9->doDisplay (line 54)
12	Twig\Template->yield (line 402)
13	Twig\Template->display (line 358)
14	Twig\Template->render (line 373)
15	Twig\TemplateWrapper->render (line 51)
16	Twig\Environment->render (line 333)
17	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRenderView (line 459)
18	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRender (line 464)
19	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->render (line 278)
20	App\Controller\QaController->question (line 217)
21	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
22	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
23	Symfony\Component\HttpKernel\Kernel->handle (line 182)
24	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
25	require_once (line 29)
26	require_once (line 5)

1.66 ms
(7.12%)

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.section_group_id AS section_group_id_5 FROM section t0 WHERE t0.id = ?

Parameters:

[
  177
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.name AS name_2,
  t0.description AS description_3,
  t0.sort_order AS sort_order_4,
  t0.section_group_id AS section_group_id_5
FROM
  section t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.section_group_id AS section_group_id_5 FROM section t0 WHERE t0.id = 177;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\Proxy\ProxyFactory->Doctrine\ORM\Proxy\{closure} (line 289)
4	Proxies\__CG__\App\Entity\Section::Doctrine\ORM\Proxy\{closure} (line 367)
5	Symfony\Component\VarExporter\Internal\LazyObjectState::initialize (line 60)
6	Proxies\__CG__\App\Entity\Section->__get (line 153)
7	App\Entity\Section->getSectionGroup (line 62)
8	App\Service\UserAccessManager->canAccessSection (line 139)
9	App\Service\UserAccessManager->canAccessQuestion (line 154)
10	App\Controller\QaController->question (line 155)
11	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
12	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
13	Symfony\Component\HttpKernel\Kernel->handle (line 182)
14	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
15	require_once (line 29)
16	require_once (line 5)

1.66 ms
(7.11%)

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.category_id AS category_id_5 FROM subcategory t0 WHERE t0.id = ?

Parameters:

[
  4
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.name AS name_2,
  t0.description AS description_3,
  t0.sort_order AS sort_order_4,
  t0.category_id AS category_id_5
FROM
  subcategory t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.category_id AS category_id_5 FROM subcategory t0 WHERE t0.id = 4;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\Proxy\ProxyFactory->Doctrine\ORM\Proxy\{closure} (line 289)
4	Proxies\__CG__\App\Entity\Subcategory::Doctrine\ORM\Proxy\{closure} (line 367)
5	Symfony\Component\VarExporter\Internal\LazyObjectState::initialize (line 60)
6	Proxies\__CG__\App\Entity\Subcategory->__get (line 153)
7	App\Entity\Subcategory->getCategory (line 52)
8	App\Service\UserAccessManager->buildAccessMap (line 200)
9	App\Service\UserAccessManager->canAccessGroup (line 116)
10	App\Service\UserAccessManager->canAccessSection (line 144)
11	App\Service\UserAccessManager->canAccessQuestion (line 154)
12	App\Controller\QaController->question (line 155)
13	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
14	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
15	Symfony\Component\HttpKernel\Kernel->handle (line 182)
16	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
17	require_once (line 29)
18	require_once (line 5)

1.39 ms
(5.93%)

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.topic_id AS topic_id_5 FROM category t0 WHERE t0.id = ?

Parameters:

[
  2
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.name AS name_2,
  t0.description AS description_3,
  t0.sort_order AS sort_order_4,
  t0.topic_id AS topic_id_5
FROM
  category t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4, t0.topic_id AS topic_id_5 FROM category t0 WHERE t0.id = 2;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\Proxy\ProxyFactory->Doctrine\ORM\Proxy\{closure} (line 289)
4	Proxies\__CG__\App\Entity\Category::Doctrine\ORM\Proxy\{closure} (line 367)
5	Symfony\Component\VarExporter\Internal\LazyObjectState::initialize (line 60)
6	Proxies\__CG__\App\Entity\Category->__get (line 153)
7	App\Entity\Category->getTopic (line 79)
8	App\Service\UserAccessManager->buildAccessMap (line 207)
9	App\Service\UserAccessManager->canAccessGroup (line 116)
10	App\Service\UserAccessManager->canAccessSection (line 144)
11	App\Service\UserAccessManager->canAccessQuestion (line 154)
12	App\Controller\QaController->question (line 155)
13	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
14	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
15	Symfony\Component\HttpKernel\Kernel->handle (line 182)
16	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
17	require_once (line 29)
18	require_once (line 5)

0.95 ms
(4.05%)

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4 FROM topic t0 WHERE t0.id = ?

Parameters:

[
  2
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  t0.id AS id_1,
  t0.name AS name_2,
  t0.description AS description_3,
  t0.sort_order AS sort_order_4
FROM
  topic t0
WHERE
  t0.id = ?

SELECT t0.id AS id_1, t0.name AS name_2, t0.description AS description_3, t0.sort_order AS sort_order_4 FROM topic t0 WHERE t0.id = 2;

#	File/Call
1	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load (line 740)
2	Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById (line 758)
3	Doctrine\ORM\Proxy\ProxyFactory->Doctrine\ORM\Proxy\{closure} (line 289)
4	Proxies\__CG__\App\Entity\Topic::Doctrine\ORM\Proxy\{closure} (line 367)
5	Symfony\Component\VarExporter\Internal\LazyObjectState::initialize (line 60)
6	Proxies\__CG__\App\Entity\Topic->__get (line 153)
7	App\Entity\Topic->getName (line 38)
8	Twig\Extension\CoreExtension->getAttribute (line 1909)
9	__TwigTemplate_01f083ad3909004f797c1df805cb05a9::block_body (line 116)
10	Twig\Template->yieldBlock (line 446)
11	__TwigTemplate_e6a4dd0fdc05fd1e3fce091de0f6130a->doDisplay (line 208)
12	Twig\Template->yield (line 402)
13	__TwigTemplate_01f083ad3909004f797c1df805cb05a9->doDisplay (line 54)
14	Twig\Template->yield (line 402)
15	Twig\Template->display (line 358)
16	Twig\Template->render (line 373)
17	Twig\TemplateWrapper->render (line 51)
18	Twig\Environment->render (line 333)
19	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRenderView (line 459)
20	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRender (line 464)
21	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->render (line 278)
22	App\Controller\QaController->question (line 217)
23	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
24	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
25	Symfony\Component\HttpKernel\Kernel->handle (line 182)
26	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
27	require_once (line 29)
28	require_once (line 5)

0.73 ms
(3.14%)

SELECT q0_.id AS id_0 FROM question q0_ WHERE q0_.section_id = ? AND q0_.is_active = true ORDER BY q0_.sort_order ASC, q0_.id ASC

Parameters:

[
  177
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  q0_.id AS id_0
FROM
  question q0_
WHERE
  q0_.section_id = ?
  AND q0_.is_active = true
ORDER BY
  q0_.sort_order ASC,
  q0_.id ASC

SELECT q0_.id AS id_0 FROM question q0_ WHERE q0_.section_id = 177 AND q0_.is_active = true ORDER BY q0_.sort_order ASC, q0_.id ASC;

#	File/Call
1	Doctrine\ORM\Query\Exec\FinalizedSelectExecutor->execute (line 27)
2	Doctrine\ORM\Query->_doExecute (line 296)
3	Doctrine\ORM\AbstractQuery->executeIgnoreQueryCache (line 935)
4	Doctrine\ORM\AbstractQuery->execute (line 891)
5	Doctrine\ORM\AbstractQuery->getArrayResult (line 701)
6	App\Repository\QuestionRepository->getOrderedActiveIdsForSection (line 37)
7	App\Controller\QaController->question (line 193)
8	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 183)
9	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
10	Symfony\Component\HttpKernel\Kernel->handle (line 182)
11	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
12	require_once (line 29)
13	require_once (line 5)

Database Connections

Name	Service
default	doctrine.dbal.default_connection

Entity Managers

Name	Service
default	doctrine.orm.default_entity_manager

Second Level Cache

Second Level Cache is not enabled.

Managed Entities

default entity manager

Class	Amount of managed objects
App\Entity\AnswerOption	4
App\Entity\Question	3
App\Entity\User	1
App\Entity\Section	1
App\Entity\SectionGroup	1
App\Entity\UserAccessGrant	1
App\Entity\Topic	1
App\Entity\Category	1
App\Entity\Subcategory	1

Entities Mapping

Class	Mapping errors
App\Entity\User	No errors.
App\Entity\UserAccessGrant	No errors.
App\Entity\Question	No errors.
App\Entity\Section	No errors.
App\Entity\AnswerOption	No errors.
App\Entity\SectionGroup	No errors.
App\Entity\Topic	No errors.
App\Entity\Category	The association App\Entity\Category#sections refers to the owning side field App\Entity\Section#category which does not exist.
App\Entity\Subcategory	The association App\Entity\Subcategory#category refers to the inverse side field App\Entity\Category#subcategories which does not exist. The association App\Entity\Subcategory#sections refers to the owning side field App\Entity\Section#subcategory which does not exist.
App\Entity\Attempt	No errors.

Symfony Profiler

GET https://edu.900900.ru/qa/question/5795

Configuration Settings

Theme

Page Width

Query Metrics

Grouped Statements

Database Connections

Entity Managers

Second Level Cache

Managed Entities

default entity manager

Entities Mapping