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Questions - h2

Hibernate sends NULL for autogenerated field

I have entity described as @Entity(name = "my_entity") public class MyEntity { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Integer id; it's table is created ...
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Dims

java

hibernate

jpa

h2

Votes: 0

Answers: 1

Latest Answer

You need to update hibernate-core jar to 5.6.5.Final or any later version, current version in 5.6 branch is 5.6.7.Final and 6.0.0.Final is also already available. Older versions don't support new vers...
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Evgenij Ryazanov

How to make H2 db display a number instead of date/interval

Is it possible to make H2 db display a number instead of date/interval to get the same short answer as oracle/mysql? Running this sql in oracle /H2 console: select trunc(sysdate+5) - trunc(sysdate) n...
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Peter Pan

sql

h2

Votes: 0

Answers: 1

Latest Answer

I think you can cast it to decimal: select cast(trunc(sysdate+5) - trunc(sysdate) as decimal) noOfDays from dual; In H2 it should cast interval 5 days to number 5, and in Oracle the cast should have ...
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fbastien

Error: org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister

I'm using spring boot (2.0.5 RELEASE), H2 DB, Lombok and Java 1.8. I've configured a basic entity using spring data jpa. I'm getting the below exception while trying to run the app. My local machine i...
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user1636077

spring-boot

jpa

java-8

h2

lombok

Votes: 0

Answers: 0

Using xml-functions in h2 database for university project

For my university-project I installed an h2database locally on my computer. I have a little data in it and now I am trying to export parts of this data via the included xml-functions that h2 offers. H...
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Yannick251

java

sql

xml

h2

h2db

Votes: 0

Answers: 1

Latest Answer

I fixed it! Here is a good example of how to use it: https://github.com/h2database/h2database/blob/master/h2/src/test/org/h2/samples/newsfeed.sql CREATE TABLE VERSION(ID INT PRIMARY KEY, VERSION VARCH...
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Yannick251

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