Refine contribution #4099

- Add migration script for SQLITE
- Update the script of SAP HANA with the new column

spring-batch-core/src/main/resources/org/springframework/batch/core/migration/5.0/migration-sqlite.sql

@@ -0,0 +1,4 @@
+ALTER TABLE BATCH_STEP_EXECUTION ADD CREATE_TIME TIMESTAMP NOT NULL DEFAULT '1970-01-01 00:00:00';
+-- ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN START_TIME DROP NOT NULL;
+-- ALTER COLUMN is not supported in SQLITE: https://www.sqlite.org/lang_altertable.html
+-- There are several ways to drop the 'NOT NULL' constraint on START_TIME, this is left to the user.

spring-batch-core/src/main/resources/org/springframework/batch/core/migration/5.0/migration-sybase.sql

@@ -1,3 +1,2 @@
 ALTER TABLE BATCH_STEP_EXECUTION ADD CREATE_TIME DATETIME DEFAULT '1970-01-01 00:00:00' NOT NULL;
 ALTER TABLE BATCH_STEP_EXECUTION MODIFY START_TIME DATETIME NULL;
-??

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-hana.sql

@@ -41,7 +41,8 @@ CREATE TABLE BATCH_STEP_EXECUTION  (
 	VERSION BIGINT NOT NULL,
 	STEP_NAME VARCHAR(100) NOT NULL,
 	JOB_EXECUTION_ID BIGINT NOT NULL,
-	START_TIME TIMESTAMP NOT NULL ,
+	CREATE_TIME TIMESTAMP NOT NULL ,
+	START_TIME TIMESTAMP DEFAULT NULL ,
 	END_TIME TIMESTAMP DEFAULT NULL ,
 	STATUS VARCHAR(10) ,
 	COMMIT_COUNT BIGINT ,