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Updated Spring Batch 5.0 Migration Guide (markdown)

Mahmoud Ben Hassine 2022-10-04 15:10:39 +02:00
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Spring-Batch-5.0-Migration-Guide.md

@ -53,6 +53,8 @@ New applications can use the provided script with no modifications. Existing app
#### All platforms
##### Removal of `BATCH_JOB_EXECUTION#JOB_CONFIGURATION_LOCATION` column
The column `JOB_CONFIGURATION_LOCATION` in the `BATCH_JOB_EXECUTION` table is not used anymore and can be marked as unused or dropped if needed:
```
@ -63,6 +65,30 @@ The syntax to drop the column might differ depending on the version of your data
:exclamation: Important note :exclamation: This change is mainly related to the removal of the JSR-352 implementation which was the only part of the framework using this column. As a consequence, the field `JobExecution#jobConfigurationName` has been removed as well as all APIs using it (constructors and getter in the domain object `JobExecution`, method `JobRepository#createJobExecution(JobInstance, JobParameters, String);` in `JobRepository`).
##### Column change in `BATCH_JOB_EXECUTION_PARAMS`
The `BATCH_JOB_EXECUTION_PARAMS` has been updated as follows:
```diff
CREATE TABLE BATCH_JOB_EXECUTION_PARAMS (
JOB_EXECUTION_ID BIGINT NOT NULL ,
--- TYPE_CD VARCHAR(6) NOT NULL ,
--- KEY_NAME VARCHAR(100) NOT NULL ,
--- STRING_VAL VARCHAR(250) ,
--- DATE_VAL DATETIME(6) DEFAULT NULL ,
--- LONG_VAL BIGINT ,
--- DOUBLE_VAL DOUBLE PRECISION ,
+++ NAME VARCHAR(100) NOT NULL ,
+++ TYPE VARCHAR(100) NOT NULL ,
+++ VALUE VARCHAR(2500) ,
IDENTIFYING CHAR(1) NOT NULL ,
constraint JOB_EXEC_PARAMS_FK foreign key (JOB_EXECUTION_ID)
references BATCH_JOB_EXECUTION(JOB_EXECUTION_ID)
);
```
This is related to the way job parameters are persisted as revisited in https://github.com/spring-projects/spring-batch/issues/3960. Migration scripts can be found in `org/springframework/batch/core/migration/5.0`.
## Infrastructure beans configuration with `@EnableBatchBatchProcessing`
### Job repository/explorer configuration updates