JAVA: @OnetoMany hibernation mapping problem (too slow) -- 3


I have java file and need to do some changes

Problem is that few hundred times function make query to database and take about 1s/time

500 times = 8 minutes

I need to change this function to get list only one time and use this data after

Java file and printscreen attached

Umiejętności: Java, PostgreSQL, Architektura oprogramowania

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O pracodawcy:
( 21 ocen ) Klaipeda, Lithuania

Numer ID Projektu: #12145141

12 freelancerów złożyło ofertę na kwotę €32 do tego projektu

€43 EUR w ciągu 1 dnia
(52 Oceny)

A proposal has not yet been provided

€34 EUR w ciągu 1 dnia
(48 Oceny)

Computer Science graduate and have experience in java and web development done many job like that i will solve your problem as faster as i can. need an another class for save time and connect the database.

€16 EUR w ciągu 1 dnia
(6 Oceny)

I am available to do this project. I can fix it. I am having 7 years of experience in java development. Mostly worked in core java/j2ee, javaFX and swing for cross platform applications. I have proven skill set on u Więcej

€111 EUR w ciągu 3 dni
(5 Oceny)
€37 EUR w ciągu 1 dnia
(5 Oceny)
€12 EUR w ciągu 1 dnia
(2 Oceny)

I have worked as software engineer in IT sector for 3 years and have developed applications based on hibernate, java and spring. I would like to suggest, making a query several hundred times at once may not be necessar Więcej

€19 EUR w ciągu 1 dnia
(1 Ocena)

You will be provided a dedicated team of Developers, internal testers and an iOS consultant who would work exclusively on your project. Upon receiving a project, we initiate a thorough discussion with the client. D Więcej

€29 EUR w ciągu 1 dnia
(1 Ocena)

I have an extensive experience in java orm frameworks like JPA and Hibernate. Issue here is since the you using a function ,its going to get executed for each returned resultset record causing the [login to view URL] need Więcej

€23 EUR w ciągu 1 dnia
(0 Oceny)

A proposal has not yet been provided

€19 EUR w ciągu 1 dnia
(0 Oceny)
€23 EUR w ciągu 1 dnia
(0 Oceny)

Hi, I already fixed these issues in my current project. I think you mentioned about the n+1 issue in hibernate it has been solved in the latest version of hibernate using the entity graph

€23 EUR w ciągu 2 dni
(0 Oceny)