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

Skills: Java, PostgreSQL, Software Architecture

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About the Employer:
( 21 reviews ) Klaipeda, Lithuania

Project ID: #12145141

12 freelancers are bidding on average €32 for this job

€43 EUR in 1 day
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€34 EUR in 1 day
(48 Reviews)

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 in 1 day
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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 More

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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 More

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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 More

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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 More

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€19 EUR in 1 day
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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

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