Spring Data JPA Criteria API | JPA meta model classes | JPA Specifications

You will learn how to use the Criteria API in Spring Data JPA and JPA meta model classes and JPA specifications in this video.
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[@theshivrajofficial8444]

Thanks you for showing criteria api in simple manner...

[@technotowntechie9732]

You are most welcome

[@jaimejr.maralit903]

Hi, would like to ask if can we join multiple tables in Specification? Thanks

[@ajaykushwaha6137]

Hey, were you able to find the solution? I am stuck on that.

[@cihatgelir2711]

@@ajaykushwaha6137 Hi bro, I think this example is what u need, Department class: @JoinColumn(name = "company_id", nullable = false) private Company company; and here specification method: public static Specification byCompanyId(Long id) { return (root, query, criteriaBuilder) -> criteriaBuilder.equal(root.get("company").get("id"), id); }

[@ahamedimthias5648]

Good explanation

[@technotowntechie9732]

Thanks and welcome

[@FatEduardo]

Awesome video. Great job, thanks for uploading!

[@amitchandra-zx1ch]

Awesome explanation

[@niladrisekharnath]

Great video thanks for the explanation But one question here though we are using Specification we are reducing boiler plate code but please tell me one thing how to make this work for custom field selection (like in sql instead of the select *…, what if we want to, select certainFieldNames…

[@technotowntechie9732]

When using Spring Data JPA with JPA Specification, you can achieve custom field selection (similar to SELECT field1, field2 FROM table) by creating a custom projection interface or using DTOs (Data Transfer Objects) to select specific fields from the entity.

[@niladrisekharnath]

@@technotowntechie9732 okay thanks that is fine but custom dto is okay but what if we don’t know the fields that we would want to select like if it’s dynamic

[@prashantpatil-wq1lt]

Thanks 👌👍

[@miladaminzade8219]

thank you very much for your awesome tutorials.

[@ConfidenceGold]

I have one question, why it's taking ~1 sec to do query, isn't it too long for local machine? Bc u basically have 1 entity and 5 records in DB.

[@syedsadiq7093]

thank you man for this video

[@venkatasubbareddy.g2283]

Bro have u maintain any website/blogs on this technology

[@technotowntechie9732]

No, Future will do.

[@Devivl]

Thanks!

[@tritruong4409]

Awesome video

[@sadiqc8153]

Thanks bro..very helpful

[@mamadgiaishwarya6235]

Amazing!

[@yogeshchaudhary621]

Thanks man!

[@alejandrofernandez1201]

Muy bueno amigo, me re sirvió.

[@nhatduongngo6820]

thank you so much. It's very usefull ❤

[@MrLool32]

Hey dude, the dependency doesn't work for me. I have added it and rebuilt my project and there are all my classes with _ at the end of the name inside the target folder but when I try to use them my IDE says it can't find it. Do you know why this could happen?

[@technotowntechie9732]

Which IDE are you using?

[@MrLool32]

@@technotowntechie9732 IntelliJ with Maven

[@dakshu11]

Do maven update project :My issue was resolved with that

[@edward452]

I added jpamodelgen dependency behind spring-boot-starter-web dependency and it worked for me. (before that I added at the end of dependencies).

[@normangadenya5149]

Thanks

[@yendys74]

dammnnnn

[@normangadenya5149]

@@yendys74 😂😂😂😂 u found me 🤣🤣

[@compartelo007]

@15:20 Maybe when a method is called has ... it should return a boolean, if not, the method should have another name ... Thanks

[@НикитаЗайцев-н8д]

why did you guy disable subs. it's frustrating

[@bonedoggle]

Can you please turn on subtitles?

[@franmesonero9592]

Great video