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Defer SQL initialization to fit with JPA better

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Added 2 new spring.datasource.* properties ("data" like
"schema", and "deferDdl" like the "spring.jpa.hibernate.*"
flag). The SQL scripts are then run separately and the "data"
ones are triggered by a new DataSourceInitializedEvent,
which is also published by the Hibernate DDL schema export.

Fixes gh-1006
This commit is contained in:
Dave Syer
2014-06-02 13:07:56 +01:00
parent efcbb32788
commit 49a09c807c
9 changed files with 245 additions and 73 deletions
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4
spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc
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@@ -156,7 +156,9 @@ content into your application; rather pick only the properties that you need.
# DATASOURCE ({sc-spring-boot-autoconfigure}/jdbc/DataSourceAutoConfiguration.{sc-ext}[DataSourceAutoConfiguration] & {sc-spring-boot-autoconfigure}//jdbc/AbstractDataSourceConfiguration.{sc-ext}[AbstractDataSourceConfiguration])
spring.datasource.name= # name of the data source
spring.datasource.initialize=true # populate using data.sql
spring.datasource.schema= # a schema resource reference
spring.datasource.deferDdl= # flag to indicate that schema scripts will run after the application starts (default false)
spring.datasource.schema= # a schema (DDL) script resource reference
spring.datasource.data= # a data (DML) script resource reference
spring.datasource.platform= # the platform to use in the schema resource (schema-${platform}.sql)
spring.datasource.continueOnError=false # continue even if can't be initialized
spring.datasource.separator=; # statement separator in SQL initialization scripts

2
spring-boot-docs/src/main/asciidoc/howto.adoc
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@@ -1165,7 +1165,7 @@ and `data-${platform}.sql` files (if present), where
it to the vendor name of the database (`hsqldb`, `h2`, `oracle`, `mysql`,
`postgresql` etc.). Spring Boot enables the failfast feature of the Spring JDBC
initializer by default, so if the scripts cause exceptions the application will fail
to start.
to start. The script locations can be changed by setting `spring.datasource.schema` and `spring.datasource.data`, and neither location will be processed if `spring.datasource.initialize=false`.
To disable the failfast you can set `spring.datasource.continueOnError=true`. This can be
useful once an application has matured and been deployed a few times, since the scripts