Symfony Profiler

Query Metrics

6 Database Queries

6 Different statements

3.73 ms Query time

0 Invalid entities

0 Managed entities

Grouped Statements

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Time▼

Count

Info

1.04 ms
(28.02%)

SELECT mc.clip_id, mc.film_id, mc.public_key, mc.thumb_path, mc.preview_path, mc.duration, mc.quality, mc.is_vertical, mc.likes, mc.dislikes, mc.views, mc.status, mc.published_at, f1.title as film_title, f1.original_title as film_original_title, f1.poster_path as film_poster_path, f1.release_year as film_release_year, IFNULL(r.title, f.title) as title FROM movie_clip mc LEFT JOIN movie_clip_translation f ON mc.clip_id = f.clip_id AND f.lang_id=? LEFT JOIN film f1 ON mc.film_id = f1.film_id LEFT JOIN movie_clip_translation r ON mc.clip_id = r.clip_id  AND r.lang_id=? WHERE mc.clip_id IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)

Parameters:

[
  1
  2
  b"\x01Žãû§{s-¢@‹¢*ÓJ¢"
  b"\x01Ž·Ø\x11°s÷«×çžÓíÃÆ"
  b"\x01Ž·ÖÒqq\t˜ˆ¯m\x17\x18BU"
  b"""
    \x01Žãü©árX¬\n
    áµ\x13Ú
    """
  b"\x01Žãü\x02‡p•³\x02\x07Þ\x07õ”s"
  b"\x01ŽãE_osí ¼ª\t³×^)"
  b"\x01Ž·ÚCòq¿‰Ë\x12¡0ªƒ7"
  b"\x01Ž·ÙãÔs¬¼þ\x1C\x0EJÍIÌ"
  b"\x01Ž·ÙlFqŒ‘–´}"ü¸r"
  b"\x01Ž·Ù\x1F\x19q\x07¦É.j$è\x1D"
  b"\x01Ž·ØËq«·Å:\e'a[X"
  b"\x01Ž·Ø‘\x1DpÖºÛd\x1F§\x14g’"
  b"\x01Ž·Öe”sÞº^dÐi\x17%ý"
  b"\x01Ž¯”²(p{…xÊ…¦‹V\x1C"
  b"\x01Ž°ÒÐÊqu…\x13Ý¼b4D\x17"
  b"\x01Ž°Ì\x1A‹s³Ë?Ž¸%ÙZ"
  b"\x01Ž°Æk_sŽ—À\x1AJEŸE°"
  b"\x01Ž°Wóss–ž–ªì4èçþ"
  b"""
    \x01Ž°\n
    éÈqÓœ\ee.$Í¿0
    """
  b"\x01Ž°\x027Ðqa‘ÿ…\x03ÔÁÿŽ"
  b"\x01Ž¯äÌŸpÊŽ9A&iqé¹"
  b"""
    \x01Ž¯ä\x12\n
    q’ yWgáÐwÐ
    """
  b"\x01Ž¯á}zr}•:y¢\x1D\x12”Í"
  b"\x01Ž¯®æ4qÐ«\x1F\r°\x17$9\r"
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  mc.clip_id,
  mc.film_id,
  mc.public_key,
  mc.thumb_path,
  mc.preview_path,
  mc.duration,
  mc.quality,
  mc.is_vertical,
  mc.likes,
  mc.dislikes,
  mc.views,
  mc.status,
  mc.published_at,
  f1.title as film_title,
  f1.original_title as film_original_title,
  f1.poster_path as film_poster_path,
  f1.release_year as film_release_year,
  IFNULL(r.title, f.title) as title
FROM
  movie_clip mc
  LEFT JOIN movie_clip_translation f ON mc.clip_id = f.clip_id
  AND f.lang_id = ?
  LEFT JOIN film f1 ON mc.film_id = f1.film_id
  LEFT JOIN movie_clip_translation r ON mc.clip_id = r.clip_id
  AND r.lang_id = ?
WHERE
  mc.clip_id IN (
    ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,
    ?, ?, ?, ?, ?, ?, ?, ?
  )

SELECT mc.clip_id, mc.film_id, mc.public_key, mc.thumb_path, mc.preview_path, mc.duration, mc.quality, mc.is_vertical, mc.likes, mc.dislikes, mc.views, mc.status, mc.published_at, f1.title as film_title, f1.original_title as film_original_title, f1.poster_path as film_poster_path, f1.release_year as film_release_year, IFNULL(r.title, f.title) as title FROM movie_clip mc LEFT JOIN movie_clip_translation f ON mc.clip_id = f.clip_id AND f.lang_id=1 LEFT JOIN film f1 ON mc.film_id = f1.film_id LEFT JOIN movie_clip_translation r ON mc.clip_id = r.clip_id  AND r.lang_id=2 WHERE mc.clip_id IN (0x018EE3FBA77B732DA2408BA22AD34AA2, 0x018EB7D811B073F7ABD7E79ED3EDC3C6, 0x018EB7D6D27171099888AF6D17184255, 0x018EE3FCA9E17258AC0AE1ADB51390DA, 0x018EE3FC02877095B30207DE07F59473, 0x018EE3455F6F73EDA0BCAA09B3D75E29, 0x018EB7DA43F271BF89CB12A130AA8337, 0x018EB7D9E3D473ACBCFE1C0E4ACD49CC, 0x018EB7D96C46718C9196B47D22FCB872, 0x018EB7D91F19710781A6C92E6A24E81D, 0x018EB7D8CB9071ABB7C53A1B27615B58, 0x018EB7D8911D70D6BADB641FA7146792, 0x018EB7D6659473DEBA5E64D0691725FD, 0x018EAF94B228707B8578CA85A68B561C, 0x018EB0D2D0CA71758513DDBC62344417, 0x018EB0CC1A8B7390B3CB3F8EB825D95A, 0x018EB0C66B5F738D97C01A4A459F45B0, 0x018EB057F37373969E96AAEC34E8E7FE, 0x018EB00AE9C871D39C1B652E24CDBF30, 0x018EB00237D0716191FF8503D4C1FF8E, 0x018EAFE4CC9F70CA8E3941266971E9B9, 0x018EAFE4120A7192A0795767E1D077D0, 0x018EAFE17D7A727D953A79A21D1294CD, 0x018EAFAEE63471D0AB1F0DB01724390D);

#	File/Call
1	Doctrine\DBAL\Query\QueryBuilder->executeQuery (line 323)
2	Doctrine\DBAL\Query\QueryBuilder->fetchAllAssociative (line 274)
3	App\MovieClip\Presentation\Fetcher\ByIds\Fetcher->fetch (line 39)
4	App\MovieClip\Presentation\Fetcher\RelatedFetcher->getByClipId (line 42)
5	App\MovieClip\Presentation\Controller\Public\Fragments\RelatedController->__invoke (line 31)
6	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
7	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
8	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
9	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
10	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
11	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
12	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
13	Symfony\Component\HttpKernel\HttpCache\SubRequestHandler->handle (line 86)
14	Symfony\Component\HttpKernel\Fragment\InlineFragmentRenderer::render (line 75)
15	Symfony\Component\HttpKernel\Fragment\FragmentHandler->render (line 81)
16	Symfony\Component\HttpKernel\DependencyInjection\LazyLoadingFragmentHandler->render (line 46)
17	Symfony\Bridge\Twig\Extension\HttpKernelRuntime->renderFragment (line 41)
18	__TwigTemplate_a43ed99f55ef6bac452cd88cdadd6bf2->block_content (line 387)
19	Twig\Template->yieldBlock (line 446)
20	__TwigTemplate_be9c4b57101ee037ed3c0993ef0330a8->block_body (line 125)
21	Twig\Template->yieldBlock (line 446)
22	__TwigTemplate_65078dcfdfadcd7a8a61f978f732123d->doDisplay (line 119)
23	Twig\Template->yield (line 402)
24	__TwigTemplate_be9c4b57101ee037ed3c0993ef0330a8->doDisplay (line 56)
25	Twig\Template->yield (line 402)
26	__TwigTemplate_a43ed99f55ef6bac452cd88cdadd6bf2->doDisplay (line 60)
27	Twig\Template->yield (line 402)
28	Twig\Template->display (line 358)
29	Twig\Template->render (line 373)
30	Twig\TemplateWrapper->render (line 51)
31	Twig\Environment->render (line 333)
32	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRenderView (line 431)
33	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRender (line 436)
34	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->render (line 250)
35	App\MovieClip\Presentation\Controller\Public\View\ActionController->__invoke (line 30)
36	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
37	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
38	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
39	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
40	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
41	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
42	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
43	Symfony\Component\HttpKernel\Kernel->handle (line 182)
44	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
45	require_once (line 29)
46	require_once (line 5)

0.98 ms
(26.44%)

SELECT mc.clip_id, mc.user_id, mc.film_id, mc.public_key, mc.thumb_path, mc.preview_path, mc.duration, mc.quality, mc.is_vertical, mc.likes, mc.dislikes, mc.views, mc.status, mc.published_at, u.username, IFNULL(r.title, f.title) as title, IFNULL(r.description, f.description) as description FROM movie_clip mc LEFT JOIN movie_clip_translation f ON mc.clip_id = f.clip_id AND f.lang_id=? LEFT JOIN user u ON mc.user_id = u.user_id LEFT JOIN movie_clip_translation r ON mc.clip_id = r.clip_id  AND r.lang_id=? WHERE mc.public_key = ? LIMIT 1

Parameters:

[
  1
  2
  "e0VLmZz"
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  mc.clip_id,
  mc.user_id,
  mc.film_id,
  mc.public_key,
  mc.thumb_path,
  mc.preview_path,
  mc.duration,
  mc.quality,
  mc.is_vertical,
  mc.likes,
  mc.dislikes,
  mc.views,
  mc.status,
  mc.published_at,
  u.username,
  IFNULL(r.title, f.title) as title,
  IFNULL(r.description, f.description) as description
FROM
  movie_clip mc
  LEFT JOIN movie_clip_translation f ON mc.clip_id = f.clip_id
  AND f.lang_id = ?
  LEFT JOIN user u ON mc.user_id = u.user_id
  LEFT JOIN movie_clip_translation r ON mc.clip_id = r.clip_id
  AND r.lang_id = ?
WHERE
  mc.public_key = ?
LIMIT
  1

SELECT mc.clip_id, mc.user_id, mc.film_id, mc.public_key, mc.thumb_path, mc.preview_path, mc.duration, mc.quality, mc.is_vertical, mc.likes, mc.dislikes, mc.views, mc.status, mc.published_at, u.username, IFNULL(r.title, f.title) as title, IFNULL(r.description, f.description) as description FROM movie_clip mc LEFT JOIN movie_clip_translation f ON mc.clip_id = f.clip_id AND f.lang_id=1 LEFT JOIN user u ON mc.user_id = u.user_id LEFT JOIN movie_clip_translation r ON mc.clip_id = r.clip_id  AND r.lang_id=2 WHERE mc.public_key = 'e0VLmZz' LIMIT 1;

#	File/Call
1	Doctrine\DBAL\Query\QueryBuilder->executeQuery (line 323)
2	App\MovieClip\Presentation\Fetcher\ViewMovieFetcher->fetchByPublicKey (line 42)
3	App\MovieClip\Presentation\Controller\Public\View\ActionController->__invoke (line 24)
4	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
5	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
6	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
7	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
8	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
9	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
10	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
11	Symfony\Component\HttpKernel\Kernel->handle (line 182)
12	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
13	require_once (line 29)
14	require_once (line 5)

0.63 ms
(16.96%)

SELECT `mchr`.`related_id`
                FROM `movie_clip_has_related` as `mchr`
                LEFT JOIN `movie_clip` as `mc` USING (`clip_id`)
                WHERE `mchr`.`clip_id` = ? AND `mc`.`status` = ?
                ORDER BY `mchr`.`relevance` DESC
                LIMIT ?
                OFFSET ?

Parameters:

[
  b"\x01ŽãD÷µqo™-þ`%Æ°]"
  10
  24
  0
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  `mchr`.`related_id`
FROM
  `movie_clip_has_related` as `mchr`
  LEFT JOIN `movie_clip` as `mc` USING (`clip_id`)
WHERE
  `mchr`.`clip_id` = ?
  AND `mc`.`status` = ?
ORDER BY
  `mchr`.`relevance` DESC
LIMIT
  ?
OFFSET
  ?

SELECT `mchr`.`related_id`
                FROM `movie_clip_has_related` as `mchr`
                LEFT JOIN `movie_clip` as `mc` USING (`clip_id`)
                WHERE `mchr`.`clip_id` = 0x018EE344F7B5716F992DFE6025C6B05D AND `mc`.`status` = 10
                ORDER BY `mchr`.`relevance` DESC
                LIMIT 24
                OFFSET 0
            ;

#	File/Call
1	App\MovieClip\Presentation\Fetcher\RelatedFetcher->getCurrentRelationIds (line 53)
2	App\MovieClip\Presentation\Fetcher\RelatedFetcher->getByClipId (line 32)
3	App\MovieClip\Presentation\Controller\Public\Fragments\RelatedController->__invoke (line 31)
4	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
5	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
6	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
7	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
8	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
9	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
10	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
11	Symfony\Component\HttpKernel\HttpCache\SubRequestHandler->handle (line 86)
12	Symfony\Component\HttpKernel\Fragment\InlineFragmentRenderer::render (line 75)
13	Symfony\Component\HttpKernel\Fragment\FragmentHandler->render (line 81)
14	Symfony\Component\HttpKernel\DependencyInjection\LazyLoadingFragmentHandler->render (line 46)
15	Symfony\Bridge\Twig\Extension\HttpKernelRuntime->renderFragment (line 41)
16	__TwigTemplate_a43ed99f55ef6bac452cd88cdadd6bf2->block_content (line 387)
17	Twig\Template->yieldBlock (line 446)
18	__TwigTemplate_be9c4b57101ee037ed3c0993ef0330a8->block_body (line 125)
19	Twig\Template->yieldBlock (line 446)
20	__TwigTemplate_65078dcfdfadcd7a8a61f978f732123d->doDisplay (line 119)
21	Twig\Template->yield (line 402)
22	__TwigTemplate_be9c4b57101ee037ed3c0993ef0330a8->doDisplay (line 56)
23	Twig\Template->yield (line 402)
24	__TwigTemplate_a43ed99f55ef6bac452cd88cdadd6bf2->doDisplay (line 60)
25	Twig\Template->yield (line 402)
26	Twig\Template->display (line 358)
27	Twig\Template->render (line 373)
28	Twig\TemplateWrapper->render (line 51)
29	Twig\Environment->render (line 333)
30	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRenderView (line 431)
31	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->doRender (line 436)
32	Symfony\Bundle\FrameworkBundle\Controller\AbstractController->render (line 250)
33	App\MovieClip\Presentation\Controller\Public\View\ActionController->__invoke (line 30)
34	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
35	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
36	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
37	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
38	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
39	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
40	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
41	Symfony\Component\HttpKernel\Kernel->handle (line 182)
42	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
43	require_once (line 29)
44	require_once (line 5)

0.47 ms
(12.59%)

SELECT `path` FROM `movie_clip_media` WHERE `clip_id` = ?

Parameters:

[
  b"\x01ŽãD÷µqo™-þ`%Æ°]"
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  `path`
FROM
  `movie_clip_media`
WHERE
  `clip_id` = ?

SELECT `path` FROM `movie_clip_media` WHERE `clip_id` = 0x018EE344F7B5716F992DFE6025C6B05D;

#	File/Call
1	App\MovieClip\Presentation\Fetcher\ViewMovieFetcher->fetchMedia (line 152)
2	App\MovieClip\Presentation\Fetcher\ViewMovieFetcher->fetchByPublicKey (line 50)
3	App\MovieClip\Presentation\Controller\Public\View\ActionController->__invoke (line 24)
4	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
5	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
6	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
7	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
8	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
9	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
10	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
11	Symfony\Component\HttpKernel\Kernel->handle (line 182)
12	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
13	require_once (line 29)
14	require_once (line 5)

0.39 ms
(10.47%)

SELECT `lang_id`, `code`, `name`, `icon` FROM `lang`

Parameters:

[]

View formatted query View runnable query Explain query View query backtrace

SELECT
  `lang_id`,
  `code`,
  `name`,
  `icon`
FROM
  `lang`

SELECT `lang_id`, `code`, `name`, `icon` FROM `lang`;

#	File/Call
1	App\Language\Model\LanguageResolver->init (line 34)
2	App\Language\Model\LanguageResolver->__construct (line 25)
3	ContainerNbSs4vH\App_KernelDevDebugContainer->getLanguageResolverService (line 1116)
4	ContainerNbSs4vH\getActionController16Service::do (line 25)
5	ContainerNbSs4vH\App_KernelDevDebugContainer::load (line 568)
6	Symfony\Component\DependencyInjection\Container->make (line 221)
7	Symfony\Component\DependencyInjection\Container::get (line 203)
8	Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->instantiateController (line 38)
9	Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->instantiateController (line 25)
10	Symfony\Component\HttpKernel\Controller\ControllerResolver->createController (line 115)
11	Symfony\Component\HttpKernel\Controller\ControllerResolver->getController (line 95)
12	Symfony\Component\HttpKernel\Controller\TraceableControllerResolver->getController (line 33)
13	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 166)
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)

0.21 ms
(5.53%)

SELECT film_id,
           original_title,
           title,
           poster_path,
           release_year
    FROM `film`
    WHERE `film_id` = ?

Parameters:

[
  b"\x01–\x05\x0FÀÜp\x13ˆºÑ¢S½¤ü"
]

View formatted query View runnable query Explain query View query backtrace

SELECT
  film_id,
  original_title,
  title,
  poster_path,
  release_year
FROM
  `film`
WHERE
  `film_id` = ?

SELECT film_id,
           original_title,
           title,
           poster_path,
           release_year
    FROM `film`
    WHERE `film_id` = 0x0196050FC0DC701388BAD1A253BDA4FC;

#	File/Call
1	App\MovieClip\Presentation\Fetcher\ViewMovieFetcher->fetchFilm (line 178)
2	App\MovieClip\Presentation\Fetcher\ViewMovieFetcher->fetchByPublicKey (line 56)
3	App\MovieClip\Presentation\Controller\Public\View\ActionController->__invoke (line 24)
4	App\Infrastructure\EventSubscriber\ResponseCacheSubscriber->cache (line 52)
5	Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke (line 115)
6	Symfony\Component\EventDispatcher\EventDispatcher->callListeners (line 206)
7	Symfony\Component\EventDispatcher\EventDispatcher->dispatch (line 56)
8	Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch (line 122)
9	Symfony\Component\HttpKernel\HttpKernel->handleRaw (line 178)
10	Symfony\Component\HttpKernel\HttpKernel->handle (line 76)
11	Symfony\Component\HttpKernel\Kernel->handle (line 182)
12	Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run (line 35)
13	require_once (line 29)
14	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

Entities Mapping

No loaded entities.

Symfony Profiler

GET https://dev.muviki.cc/_fragment?_path=_format%3Dhtml%26_locale%3Dru%26_controller%3DApp%255CMovieClip%255CPresentation%255CController%255CPublic%255CFragments%2…

Configuration Settings

Theme

Page Width

Query Metrics

Grouped Statements

Database Connections

Entity Managers

Second Level Cache

Managed Entities

default entity manager

Entities Mapping