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Flyway & Hibernate : Cannot populate data to initial database

In a Spring Boot app, I am using Hibernate and 2 tables is created properly. However, I also need to insert data one of these tables and for this purpose I thought I should use Flyway.
Then I just added insert clauses to the Flyway and use the following parameters for Hibernate and Flyway in application.properties:v
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect
spring.jpa.hibernate.ddl-auto= update # also tried none
spring.flyway.url=jdbc:mysql://localhost:3306
spring.flyway.schemas=demo-db
spring.flyway.user=root
spring.flyway.password=******
I have not used Flyway for initializing database and I am not sure if I can use Flyway with Hibernate as I mentioned above. Or, should I disable Hibernate table creation and create another migration script for table creation?

If you use flyway only for insert data don't do that. Try to use this:
With Hibernate:
In addition, a file named import.sql in the root of the classpath is executed on startup if Hibernate creates the schema from scratch (that is, if the ddl-auto property is set to create or create-drop).
With Basic SQL Scripts:
Spring Boot can automatically create the schema (DDL scripts) of your JDBC DataSource or R2DBC ConnectionFactory and initialize it (DML scripts). It loads SQL from the standard root classpath locations: schema.sql and data.sql

The issue here is that Hibernate does not automatically create tables. Additionally, if using Spring Boot, Flyway will run before the service using hibernate has started. As a result, your Flyway script are interacting with a table that does not exist.
The recommended way to do this is to use Flyway to manage both your database structure, your create tables etc, and static data. This will mean your database is versioned and provisioned ready for your service and hibernate can connect.

h2 database and sql server in spring boot

I was asked this question by a colleague, and I am unable to answer it:
I have an in memory database (h2), and I have a SQL database server which our app needs to talk too. But due to the two different SQL dialects we are now wondering how do we get around the issue by doing the least amount of work?
This to be done in spring boot. I am aware of how to connect to the h2 database and SQL database server, but I am unsure on the rest.

If everything is setup by Spring, you should not be worried about the 2 different SQL dialects. Just be sure that spring.jpa.database is set to default to let Spring autodetect the right dialect for each datasource.
Here's a link that explain how to use/initialize two datasource in a Spring Boot projet if you need some more information.

Spring Auto configuration resulting in old MySQL dialect

I created a small POC app with spring boot, using hibernate (5.2.9) and maria db (10.1.19).
I had some sql dialect issues where my create/drop table SQL was using type=MyIasam but resolved that locally by setting the spring.jpa.properties.hibernate.dialect, however, when I deploy to the cloud (PCF) all of the cloud profile stuff kicks in, and I end up with hibernate deciding its dialect is going to be org.hibernate.dialect.MySQLDialect
this results in invalid SQL getting generated for creating new tables.
Note that I'm not really sure what else could be happening. This is a spring boot app (1.5.3) and the cloud profile is kicking in to do auto configuration. There's a bunch of properties injected. And I can't seem to get my dialect property to be respected.
This is a solid crushingly easy problem that is the escaping me.
Any ideas what I need to set, or provide as dependencies?
I tried removing all of the mysql dependencies, but then the connection string inject is jdbc:mysql... which i think may be part of the problem...

Re-create H2 schema in Hibernate programatically

I'd like to use an in-memory db (H2) to preprocess, validate, etc some import-data before persisting it to the "real" production database. Prior to each import I'd like to recreate the H2 schema to have a clean database, as with hibernate.hbm2ddl.auto:"create". Is there any way to call hbm2ddl programatically or how else can I trigger the schema creation?
I'm using Spring Boot 1.3.3 with Hibernate 5.0.5.
Thank you for your help!
Cheers,
Maria

in the meantime I've found the following solution and it worked for me:
https://github.com/valery-barysok/spring4-hibernate5-stackoverflow-34612019
The solution is explained in Programmatic SchemaExport / SchemaUpdate with Hibernate 5 and Spring 4
Thanks,
Maria

Trying to get data from Mysql db (Spring Boot + Vaadin)

I'm trying to get and write data to Mysql Db using Spring Boot & Vaadin. I'm new in Spring and it's too boringly to make simple web project with all of Spring's configurations. So I decided to use Spring Boot. And now my headache is - getting and writing data to Mysql Db. I wrote in application.properties configuration for DB, also "spring.jpa.hibernate.ddl-auto=create" create new table in db (if it's not exists), but no data loaded and no data added to db table. As I see from this doc https://docs.spring.io/spring-boot/docs/current/reference/html/howto-database-initialization.html there is no need to write from beginning some classes to connecting db and getting data...
Please help. https://github.com/AntonKostyukewicz/VaadinCrud - here is my sources of project.

Have you looked at the Vaadin JPA Container add-on? If you are willing to talk to the DB in JPA, that's an excellent option. https://vaadin.com/docs/-/part/framework/jpacontainer/jpacontainer-overview.html