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Update EclipseLink doc to 4.0 #1198

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merged 2 commits into from
Mar 19, 2025
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Update EclipseLink doc to 4.0 #1198

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2a7cd3a
Update eclipselink doc to 4.0
MonkeyCanCode Mar 19, 2025
e9808d6
Revert change for 0.9.0
MonkeyCanCode Mar 19, 2025
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2 changes: 1 addition & 1 deletion ...e/polaris/extension/persistence/impl/eclipselink/PolarisEclipseLinkSessionCustomizer.java
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Expand Up @@ -25,7 +25,7 @@
/**
* This pattern of injecting a SessionCustomizer is taken from the EclipseLink guide documentation:
*
* <p>https://eclipse.dev/eclipselink/documentation/2.6/dbws/creating_dbws_services002.htm
* <p>https://eclipse.dev/eclipselink/documentation/4.0/dbws/dbws.html#performing-intermediate-customization
*/
public class PolarisEclipseLinkSessionCustomizer implements SessionCustomizer {
@Override
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4 changes: 2 additions & 2 deletions site/content/in-dev/unreleased/metastores.md
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Expand Up @@ -51,13 +51,13 @@ on the type of database and its configuration.

> Note: You have to locate the `persistence.xml` at least two folders down to the root folder, e.g. `/deployments/config/persistence.xml` is OK, whereas `/deployments/persistence.xml` will cause an infinity loop.
[Quarkus Configuration Reference]: https://quarkus.io/guides/config-reference
[EclipseLink configuration file]: https://eclipse.dev/eclipselink/documentation/2.5/solutions/testingjpa002.htm
[EclipseLink configuration file]: https://eclipse.dev/eclipselink/documentation/4.0/solutions/solutions.html#TESTINGJPA002

Polaris creates and connects to a separate database for each realm. Specifically, the `{realm}` placeholder in `jakarta.persistence.jdbc.url` is substituted with the actual realm name, allowing the Polaris server to connect to different databases based on the realm.

> Note: some database systems such as Postgres don't create databases automatically. Database admins need to create them manually before running Polaris server.

A single `persistence.xml` can describe multiple [persistence units](https://eclipse.dev/eclipselink/documentation/2.6/concepts/app_dev001.htm). For example, with both a `polaris-dev` and `polaris` persistence unit defined, you could use a single `persistence.xml` to easily switch between development and production databases. Use the `persistence-unit` option in the Polaris server configuration to easily switch between persistence units.
A single `persistence.xml` can describe multiple [persistence units](https://eclipse.dev/eclipselink/documentation/4.0/concepts/concepts.html#APPDEV001). For example, with both a `polaris-dev` and `polaris` persistence unit defined, you could use a single `persistence.xml` to easily switch between development and production databases. Use the `persistence-unit` option in the Polaris server configuration to easily switch between persistence units.

### Using H2

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