4 Approaches to Solve Today's Obsolescence Challenges in Aerospace and Defense

Whitepaper

May 18, 2020

Learn about reactive obsolescence management strategies to help you overcome the challenges you face today while reducing the risk of a complete technology refresh.

In the aerospace and defense industry, the terms “sustainment” and “obsolescence management” are common, and it’s easy to understand why. Unlike conventional consumer products such as cellular phones, which have a lifespan of only a few years, “products” in aerospace and defense are produced and supported for decades.

This poses unique challenges to test engineers who must maintain a fleet of test stations based on legacy and, in many cases, obsolete equipment. This paper examines the following two approaches to this challenge and identifies some options in the marketplace today.

• Redesigning around a similar component

• Integrating a new component or migrating to a new platform

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Avionics

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9	`subfooterCategories`
10	`categoryBuilder`
11	`categories`
12	`__currentLoopData`
13	`category`
14	`loop`
15	`category_subfooter_articles`
16	`top_footer_article`
17	`category_footer_article`

theme::article.components.article-type-tag (resources/views/themes/_base/article/components/article-type-tag.blade.php)18bladefile


__env
app
errors
displayed_articles
page_title
article
lead
aliId
temp_publish_date
subfooterCategories
categoryBuilder
categories
__currentLoopData
category
loop
category_subfooter_articles
top_footer_article
category_footer_article

theme::layouts.components.footer (resources/views/themes/_base/layouts/components/footer.blade.php)10bladefile
Params
0
__env
1
app
2
errors
3
displayed_articles
4
page_title
5
article
6
lead
7
aliId
8
temp_publish_date
9
socialMedia

Params
0	`__env`
1	`app`
2	`errors`
3	`displayed_articles`
4	`page_title`
5	`article`
6	`lead`
7	`aliId`
8	`temp_publish_date`
9	`subfooterCategories`
10	`categoryBuilder`
11	`categories`
12	`__currentLoopData`
13	`category`
14	`loop`
15	`category_subfooter_articles`
16	`top_footer_article`
17	`category_footer_article`

Params
0	`__env`
1	`app`
2	`errors`
3	`displayed_articles`
4	`page_title`
5	`article`
6	`lead`
7	`aliId`
8	`temp_publish_date`
9	`socialMedia`

uri: GET radar-ew/{uri_path?}
middleware: web
controller: App\Http\Controllers\Frontend\ArticleController@viewArticleByShortname
namespace: App\Http\Controllers
prefix
where
file: app/Http/Controllers/Frontend/ArticleController.php:35-49

53 statements were executed, 14 of which were duplicated, 39 unique. Show only duplicated4.3s

select * from `articles` where `shortname` = '4-todays-obsolescence-challenges-aerospace-defense-2' and `publish_at` < '2025-04-01 17:57:07' limit 1

305ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Bindings	0. 4-todays-obsolescence-challenges-aerospace-defense-2 1. 2025-04-01 17:57:07
Backtrace	16. /app/Http/Controllers/Frontend/ArticleController.php:42 17. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 18. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 19. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `categories` where `categories`.`id` in (26)

19.96ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Backtrace	21. /app/Http/Controllers/Frontend/ArticleController.php:42 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `categories` where `categories`.`id` in (3)

4.13ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Backtrace	26. /app/Http/Controllers/Frontend/ArticleController.php:42 27. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 28. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 30. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `article_types` where `article_types`.`id` in (7)

12.26ms/app/Http/Controllers/Frontend/ArticleController.php:42mes

Metadata
Backtrace	21. /app/Http/Controllers/Frontend/ArticleController.php:42 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:259 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `article_attachments` where `article_attachments`.`article_id` = 7941 and `article_attachments`.`article_id` is not null

7.23ms/app/Models/Article.php:262mes

Metadata
Bindings	0. 7941
Backtrace	19. /app/Models/Article.php:262 25. view::theme::article.components.primary-image:2 27. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 28. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 29. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select `companies`.*, `articles_companies`.`article_id` as `pivot_article_id`, `articles_companies`.`company_id` as `pivot_company_id` from `companies` inner join `articles_companies` on `companies`.`id` = `articles_companies`.`company_id` where `articles_companies`.`article_id` = 7941

47.69msview::theme::article.components.companies:1mes

Metadata
Bindings	0. 7941
Backtrace	19. view::theme::article.components.companies:1 21. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 22. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 24. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `articles` where `status` = 'publish' and `visibility` <> 'hidden' and `article_type_id` <> '8' and `publish_at` <= '2025-04-01 17:57:08' and `primary_image` is not null and `primary_image` <> '' and `primary_image` <> '0' order by `publish_at` desc limit 30

535ms/app/Models/Article.php:375mes

Metadata
Bindings	0. publish 1. hidden 2. 8 3. 2025-04-01 17:57:08 4. 5. 0
Backtrace	14. /app/Models/Article.php:375 15. view::theme::layouts.components.sidebar:8 17. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 18. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 19. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select * from `categories` where `categories`.`id` in (7, 13, 15, 19, 21, 23, 24, 25, 26, 27, 31, 32, 44, 47, 1000, 1001)

4.64ms/app/Models/Article.php:375mes

Metadata
Backtrace	19. /app/Models/Article.php:375 20. view::theme::layouts.components.sidebar:8 22. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 23. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 24. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select * from `categories` where `categories`.`id` in (1, 2, 3, 4, 6)

4.59ms/app/Models/Article.php:375mes

Metadata
Backtrace	24. /app/Models/Article.php:375 25. view::theme::layouts.components.sidebar:8 27. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 28. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 29. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select * from `article_types` where `article_types`.`id` in (2, 3, 4, 5)

7.31ms/app/Models/Article.php:375mes

Metadata
Backtrace	19. /app/Models/Article.php:375 20. view::theme::layouts.components.sidebar:8 22. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 23. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 24. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select `id`, `name`, `shortname` from `categories` where `parent_id` is null and `id` not in (999, 100) and exists (select * from `articles` where `categories`.`id` = `articles`.`primary_category` and `publish_at` < '2025-04-01 17:57:09' and `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')))

148ms/app/View/Composers/SubfooterComposer.php:38mes

Metadata
Bindings	0. 999 1. 100 2. 2025-04-01 17:57:09 3. 4. 0
Backtrace	14. /app/View/Composers/SubfooterComposer.php:38 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`parent_id` in (1, 2, 3, 4, 5, 6) order by `shortname` asc

5.52ms/app/View/Composers/SubfooterComposer.php:38mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:38 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (1, 1000, 1003, 7, 1001, 9, 1002, 8) limit 5

7.69ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 1 3. 1000 4. 1003 5. 7 6. 1001 7. 9 8. 1002 9. 8
Backtrace	14. /app/View/Composers/SubfooterComposer.php:63 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (7, 8, 9, 1000)

3.13ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (1)

3.57ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	24. /app/View/Composers/SubfooterComposer.php:63 25. /app/View/Composers/SubfooterComposer.php:19 26. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 27. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 30. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `article_types` where `article_types`.`id` in (2)

2.75ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (2, 14, 17, 18, 13, 1004, 15, 16, 19) limit 5

5.67ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 2 3. 14 4. 17 5. 18 6. 13 7. 1004 8. 15 9. 16 10. 19
Backtrace	14. /app/View/Composers/SubfooterComposer.php:63 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (15, 16, 18)

2.78ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (2)

3.25ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	24. /app/View/Composers/SubfooterComposer.php:63 25. /app/View/Composers/SubfooterComposer.php:19 26. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 27. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 30. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `article_types` where `article_types`.`id` in (2)

940μs/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (4, 32, 31, 30, 29, 27) limit 5

85.16ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 4 3. 32 4. 31 5. 30 6. 29 7. 27
Backtrace	14. /app/View/Composers/SubfooterComposer.php:63 15. /app/View/Composers/SubfooterComposer.php:19 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (30, 32)

3.95ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (4)

14.53ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	24. /app/View/Composers/SubfooterComposer.php:63 25. /app/View/Composers/SubfooterComposer.php:19 26. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 27. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 30. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `article_types` where `article_types`.`id` in (2, 3)

13.71ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `articles` where `primary_image` is not null and (`primary_image` is not null and `primary_image` not in ('', '0')) and `primary_category` in (6, 45, 44, 46, 1008, 1006, 40, 43, 47, 39, 41, 42, 1007) limit 5

36.65ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Bindings	0. 1. 0 2. 6 3. 45 4. 44 5. 46 6. 1008 7. 1006 8. 40 9. 43 10. 47 11. 39 12. 41 13. 42 14. 1007
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select * from `categories` where `categories`.`id` in (43, 44, 46)

16.82ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `categories`.`id` in (6)

2.91ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	24. /app/View/Composers/SubfooterComposer.php:63 25. /app/View/Composers/SubfooterComposer.php:19 26. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 27. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 30. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `article_types` where `article_types`.`id` in (2)

4.69ms/app/View/Composers/SubfooterComposer.php:63mes

Metadata
Backtrace	19. /app/View/Composers/SubfooterComposer.php:63 20. /app/View/Composers/SubfooterComposer.php:19 21. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124 22. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162 25. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177

select * from `categories` where `parent_id` is null and `id` not in (999, 100, 1061)

4.65msview::theme::layouts.components.category_subfooter:6mes

Metadata
Bindings	0. 999 1. 100 2. 1061
Backtrace	14. view::theme::layouts.components.category_subfooter:6 16. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 17. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 18. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 19. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `categories` where `categories`.`id` = 1 limit 1

2.95ms/app/Models/Category.php:142mes

Metadata
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select * from `categories` where `categories`.`parent_id` = 1 and `categories`.`parent_id` is not null order by `shortname` asc

11.59ms/app/Models/Category.php:148mes

Metadata
Bindings	0. 1
Backtrace	20. /app/Models/Category.php:148 21. view::theme::layouts.components.category_subfooter:18 23. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 24. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 25. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70

select `articles`.* from `articles` where `publish_at` < '2025-04-01 17:57:10' and `primary_image` is not null and `primary_image` != '0' and `primary_image` != '' and `article_type_id` <> '8' and (`primary_category` = 1 or `primary_category` = 1000 or `primary_category` = 1003 or `primary_category` = 7 or `primary_category` = 1001 or `primary_category` = 9 or `primary_category` = 1002 or `primary_category` = 8) and `article_type_id` <> '8' order by `publish_at` desc limit 5

227msview::theme::layouts.components.category_subfooter:19mes

Metadata
Bindings	0. 2025-04-01 17:57:10 1. 0 2. 3. 8 4. 1 5. 1000 6. 1003 7. 7 8. 1001 9. 9 10. 1002 11. 8 12. 8
Backtrace	14. view::theme::layouts.components.category_subfooter:19 16. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 17. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 18. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 19. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `categories` where `categories`.`id` in (7, 8, 1000, 1001)

9.98msview::theme::layouts.components.category_subfooter:19mes

Metadata
Backtrace	19. view::theme::layouts.components.category_subfooter:19 21. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 22. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 24. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `categories` where `categories`.`id` in (1)

3.67msview::theme::layouts.components.category_subfooter:19mes

Metadata
Backtrace	24. view::theme::layouts.components.category_subfooter:19 26. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 27. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 28. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 29. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `article_types` where `article_types`.`id` in (3)

5.05msview::theme::layouts.components.category_subfooter:19mes

Metadata
Backtrace	19. view::theme::layouts.components.category_subfooter:19 21. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110 22. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70 24. /vendor/laravel/framework/src/Illuminate/View/View.php:195

select * from `categories` where `categories`.`id` = 3 limit 1

5ms/app/Models/Category.php:142mes

Metadata
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select * from `categories` where `categories`.`parent_id` = 3 and `categories`.`parent_id` is not null order by `shortname` asc

4.31ms/app/Models/Category.php:148mes

Metadata
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