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This commit adds auto-configuration for R2DBC. If R2DBC is on the classpath, a `ConnectionFactory` is created similarly to the algorithm used to create a `DataSource`. If an url is specified, it is used to determine the R2DBC driver and database location. If not, an embedded database is started (with only support of H2 via r2dbc-h2). If none of those succeed, an exception is thrown that is handled by a dedicated FailureAnalyzer. To clearly separate reactive from imperative access, a `DataSource` is not auto-configured if a `ConnectionFactory` is present. This makes sure that any auto-configuration that relies on the presence of a `DataSource` backs off. There is no dedicated database initialization at the moment but it is possible to configure flyway or liquibase to create a local `DataSource` for the duration of the migration. Alternatively, if Spring Data R2DBC is on the classpath, a `ResourceDatabasePopulator` bean can be defined with the scripts to execute on startup. See gh-19988 Co-authored-by: Mark Paluch <mpaluch@pivotal.io> |
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| build.gradle | ||
| gradle.properties | ||
| settings.gradle | ||