Distinguish CreateTime and StartTime in StepExecution

- Add field createTime for StepExecution.
- Add column create_time for batch_step_execution and make start_time default null.
- Make getLastStepExecution order by createTime instead of startTime.
- Add migration scripts for 5.0

Resolves #4049

spring-batch-core/src/main/java/org/springframework/batch/core/StepExecution.java

@@ -61,7 +61,9 @@ public class StepExecution extends Entity {
 
 	private volatile long writeSkipCount = 0;
 
-	private volatile Date startTime = new Date(System.currentTimeMillis());
+	private volatile Date startTime = null;
+
+	private volatile Date createTime = new Date(System.currentTimeMillis());
 
 	private volatile Date endTime = null;
 
@@ -248,6 +250,24 @@ public void setRollbackCount(long rollbackCount) {
 		this.rollbackCount = rollbackCount;
 	}
 
+	/**
+	 * Gets the time this execution was created
+	 *
+	 * @return the time when this execution was created.
+	 */
+	public Date getCreateTime() {
+		return createTime;
+	}
+
+	/**
+	 * Sets the time this execution was created
+	 *
+	 * @param createTime creation time of this execution.
+	 */
+	public void setCreateTime(Date createTime) {
+		this.createTime = createTime;
+	}
+
 	/**
 	 * Gets the time this execution started
 	 *

spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/JdbcStepExecutionDao.java

@@ -72,7 +72,7 @@ public class JdbcStepExecutionDao extends AbstractJdbcBatchMetadataDao implement
 	private static final String SAVE_STEP_EXECUTION = "INSERT into %PREFIX%STEP_EXECUTION(STEP_EXECUTION_ID, VERSION, " +
 			"STEP_NAME, JOB_EXECUTION_ID, START_TIME, END_TIME, STATUS, COMMIT_COUNT, READ_COUNT, FILTER_COUNT, " +
 			"WRITE_COUNT, EXIT_CODE, EXIT_MESSAGE, READ_SKIP_COUNT, WRITE_SKIP_COUNT, PROCESS_SKIP_COUNT, " +
-			"ROLLBACK_COUNT, LAST_UPDATED) values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
+			"ROLLBACK_COUNT, LAST_UPDATED, CREATE_TIME) values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
 
 	private static final String UPDATE_STEP_EXECUTION = "UPDATE %PREFIX%STEP_EXECUTION set START_TIME = ?, END_TIME = ?, "
 			+ "STATUS = ?, COMMIT_COUNT = ?, READ_COUNT = ?, FILTER_COUNT = ?, WRITE_COUNT = ?, EXIT_CODE = ?, "
@@ -82,8 +82,8 @@ public class JdbcStepExecutionDao extends AbstractJdbcBatchMetadataDao implement
 
 	private static final String GET_RAW_STEP_EXECUTIONS = "SELECT STEP_EXECUTION_ID, STEP_NAME, START_TIME, END_TIME, " +
 			"STATUS, COMMIT_COUNT, READ_COUNT, FILTER_COUNT, WRITE_COUNT, EXIT_CODE, EXIT_MESSAGE, READ_SKIP_COUNT, " +
-			"WRITE_SKIP_COUNT, PROCESS_SKIP_COUNT, ROLLBACK_COUNT, LAST_UPDATED, VERSION from %PREFIX%STEP_EXECUTION " +
-			"where JOB_EXECUTION_ID = ?";
+			"WRITE_SKIP_COUNT, PROCESS_SKIP_COUNT, ROLLBACK_COUNT, LAST_UPDATED, VERSION, CREATE_TIME from " +
+			"%PREFIX%STEP_EXECUTION where JOB_EXECUTION_ID = ?";
 
 	private static final String GET_STEP_EXECUTIONS = GET_RAW_STEP_EXECUTIONS + " order by STEP_EXECUTION_ID";
 
@@ -92,14 +92,14 @@ public class JdbcStepExecutionDao extends AbstractJdbcBatchMetadataDao implement
 	private static final String GET_LAST_STEP_EXECUTION = "SELECT " +
 			" SE.STEP_EXECUTION_ID, SE.STEP_NAME, SE.START_TIME, SE.END_TIME, SE.STATUS, SE.COMMIT_COUNT, " +
 			"SE.READ_COUNT, SE.FILTER_COUNT, SE.WRITE_COUNT, SE.EXIT_CODE, SE.EXIT_MESSAGE, SE.READ_SKIP_COUNT, " +
-			"SE.WRITE_SKIP_COUNT, SE.PROCESS_SKIP_COUNT, SE.ROLLBACK_COUNT, SE.LAST_UPDATED, SE.VERSION," +
+			"SE.WRITE_SKIP_COUNT, SE.PROCESS_SKIP_COUNT, SE.ROLLBACK_COUNT, SE.LAST_UPDATED, SE.VERSION, SE.CREATE_TIME," +
 			" JE.JOB_EXECUTION_ID, JE.START_TIME, JE.END_TIME, JE.STATUS, JE.EXIT_CODE, JE.EXIT_MESSAGE, " +
 			"JE.CREATE_TIME, JE.LAST_UPDATED, JE.VERSION" +
 			" from %PREFIX%JOB_EXECUTION JE join %PREFIX%STEP_EXECUTION SE" +
 			"      on SE.JOB_EXECUTION_ID = JE.JOB_EXECUTION_ID " +
 			"where JE.JOB_INSTANCE_ID = ?" +
 			"      and SE.STEP_NAME = ?" +
-			" order by SE.START_TIME desc, SE.STEP_EXECUTION_ID desc";
+			" order by SE.CREATE_TIME desc, SE.STEP_EXECUTION_ID desc";
 
 	private static final String CURRENT_VERSION_STEP_EXECUTION = "SELECT VERSION FROM %PREFIX%STEP_EXECUTION WHERE " +
 			"STEP_EXECUTION_ID=?";
@@ -221,26 +221,26 @@ private List<Object[]> buildStepExecutionParameters(StepExecution stepExecution)
 				stepExecution.getReadCount(), stepExecution.getFilterCount(), stepExecution.getWriteCount(),
 				stepExecution.getExitStatus().getExitCode(), exitDescription, stepExecution.getReadSkipCount(),
 				stepExecution.getWriteSkipCount(), stepExecution.getProcessSkipCount(),
-				stepExecution.getRollbackCount(), stepExecution.getLastUpdated() };
+				stepExecution.getRollbackCount(), stepExecution.getLastUpdated(), stepExecution.getCreateTime() };
 		Integer[] parameterTypes = new Integer[] { Types.BIGINT, Types.INTEGER, Types.VARCHAR, Types.BIGINT,
 				Types.TIMESTAMP, Types.TIMESTAMP, Types.VARCHAR, Types.BIGINT, Types.BIGINT, Types.BIGINT,
 				Types.BIGINT, Types.VARCHAR, Types.VARCHAR, Types.BIGINT, Types.BIGINT, Types.BIGINT,
-				Types.BIGINT, Types.TIMESTAMP };
+				Types.BIGINT, Types.TIMESTAMP, Types.TIMESTAMP };
 		parameters.add(0, Arrays.copyOf(parameterValues,parameterValues.length));
 		parameters.add(1, Arrays.copyOf(parameterTypes,parameterTypes.length));
 		return parameters;
 	}
 
 	/**
-	 * Validate StepExecution. At a minimum, JobId, StartTime, and Status cannot
+	 * Validate StepExecution. At a minimum, JobId, CreateTime, and Status cannot
 	 * be null. EndTime can be null for an unfinished job.
 	 *
 	 * @throws IllegalArgumentException
 	 */
 	private void validateStepExecution(StepExecution stepExecution) {
 		Assert.notNull(stepExecution, "stepExecution is required");
 		Assert.notNull(stepExecution.getStepName(), "StepExecution step name cannot be null.");
-		Assert.notNull(stepExecution.getStartTime(), "StepExecution start time cannot be null.");
+		Assert.notNull(stepExecution.getCreateTime(), "StepExecution create time cannot be null.");
 		Assert.notNull(stepExecution.getStatus(), "StepExecution status cannot be null.");
 	}
 
@@ -327,15 +327,15 @@ public StepExecution getLastStepExecution(JobInstance jobInstance, String stepNa
 		List<StepExecution> executions = getJdbcTemplate().query(
 				getQuery(GET_LAST_STEP_EXECUTION),
 				(rs, rowNum) -> {
-					Long jobExecutionId = rs.getLong(18);
+					Long jobExecutionId = rs.getLong(19);
 					JobExecution jobExecution = new JobExecution(jobExecutionId);
-					jobExecution.setStartTime(rs.getTimestamp(19));
-					jobExecution.setEndTime(rs.getTimestamp(20));
-					jobExecution.setStatus(BatchStatus.valueOf(rs.getString(21)));
-					jobExecution.setExitStatus(new ExitStatus(rs.getString(22), rs.getString(23)));
-					jobExecution.setCreateTime(rs.getTimestamp(24));
-					jobExecution.setLastUpdated(rs.getTimestamp(25));
-					jobExecution.setVersion(rs.getInt(26));
+					jobExecution.setStartTime(rs.getTimestamp(20));
+					jobExecution.setEndTime(rs.getTimestamp(21));
+					jobExecution.setStatus(BatchStatus.valueOf(rs.getString(22)));
+					jobExecution.setExitStatus(new ExitStatus(rs.getString(23), rs.getString(24)));
+					jobExecution.setCreateTime(rs.getTimestamp(25));
+					jobExecution.setLastUpdated(rs.getTimestamp(26));
+					jobExecution.setVersion(rs.getInt(27));
 					return new StepExecutionRowMapper(jobExecution).mapRow(rs, rowNum);
 				},
 				jobInstance.getInstanceId(), stepName);
@@ -382,6 +382,7 @@ public StepExecution mapRow(ResultSet rs, int rowNum) throws SQLException {
 			stepExecution.setRollbackCount(rs.getInt(15));
 			stepExecution.setLastUpdated(rs.getTimestamp(16));
 			stepExecution.setVersion(rs.getInt(17));
+			stepExecution.setCreateTime(rs.getTimestamp(18));
 			return stepExecution;
 		}
 

spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/StepExecutionDao.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2020 the original author or authors.
+ * Copyright 2006-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -68,7 +68,7 @@ public interface StepExecutionDao {
 
 	/**
 	 * Retrieve the last {@link StepExecution} for a given {@link JobInstance}
-	 * ordered by starting time and then id.
+	 * ordered by creation time and then id.
 	 *
 	 * @param jobInstance the parent {@link JobInstance}
 	 * @param stepName the name of the step

spring-batch-core/src/main/resources/org/springframework/batch/core/migration/5.0/migration-db2.sql

@@ -0,0 +1,2 @@
+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;

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

@@ -0,0 +1,2 @@
+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;

spring-batch-core/src/main/resources/org/springframework/batch/core/migration/5.0/migration-h2.sql

@@ -0,0 +1,2 @@
+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;

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

@@ -0,0 +1,2 @@
+ALTER TABLE BATCH_STEP_EXECUTION ADD CREATE_TIME TIMESTAMP DEFAULT '1970-01-01 00:00:00' NOT NULL;
+ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN START_TIME DROP NOT NULL;

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

@@ -0,0 +1,2 @@
+ALTER TABLE BATCH_STEP_EXECUTION ADD CREATE_TIME DATETIME(6) NOT NULL DEFAULT '1970-01-01 00:00:00';
+ALTER TABLE BATCH_STEP_EXECUTION MODIFY START_TIME DATETIME(6) NULL;

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

@@ -1,3 +1,6 @@
 ALTER SEQUENCE BATCH_STEP_EXECUTION_SEQ ORDER;
 ALTER SEQUENCE BATCH_JOB_EXECUTION_SEQ ORDER;
-ALTER SEQUENCE BATCH_JOB_SEQ ORDER;
+ALTER SEQUENCE BATCH_JOB_SEQ ORDER;
+
+ALTER TABLE BATCH_STEP_EXECUTION ADD CREATE_TIME TIMESTAMP DEFAULT TO_TIMESTAMP('1970-01-01 00:00:00', 'yyyy-MM-dd HH24:mi:ss') NOT NULL;
+ALTER TABLE BATCH_STEP_EXECUTION MODIFY START_TIME TIMESTAMP NULL;

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

@@ -0,0 +1,2 @@
+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;

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

@@ -1,2 +1,5 @@
 ALTER TABLE BATCH_STEP_EXECUTION_CONTEXT ALTER COLUMN SERIALIZED_CONTEXT VARCHAR(MAX) NULL;
-ALTER TABLE BATCH_JOB_EXECUTION_CONTEXT ALTER COLUMN SERIALIZED_CONTEXT VARCHAR(MAX) NULL;
+ALTER TABLE BATCH_JOB_EXECUTION_CONTEXT ALTER COLUMN SERIALIZED_CONTEXT VARCHAR(MAX) NULL;
+
+ALTER TABLE BATCH_STEP_EXECUTION ADD CREATE_TIME DATETIME NOT NULL DEFAULT '1970-01-01 00:00:00';
+ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN START_TIME DATETIME NULL;

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

@@ -0,0 +1,3 @@
+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-db2.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 ,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-derby.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 ,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-h2.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 ,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-hsqldb.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 ,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-mysql.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 DATETIME(6) NOT NULL ,
+	CREATE_TIME DATETIME(6) NOT NULL,
+	START_TIME DATETIME(6) DEFAULT NULL ,
 	END_TIME DATETIME(6) DEFAULT NULL ,
 	STATUS VARCHAR(10) ,
 	COMMIT_COUNT BIGINT ,

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

@@ -41,7 +41,8 @@ CREATE TABLE BATCH_STEP_EXECUTION  (
 	VERSION NUMBER(19,0) NOT NULL,
 	STEP_NAME VARCHAR2(100 char) NOT NULL,
 	JOB_EXECUTION_ID NUMBER(19,0) NOT NULL,
-	START_TIME TIMESTAMP NOT NULL ,
+	CREATE_TIME TIMESTAMP NOT NULL,
+	START_TIME TIMESTAMP DEFAULT NULL ,
 	END_TIME TIMESTAMP DEFAULT NULL ,
 	STATUS VARCHAR2(10 char) ,
 	COMMIT_COUNT NUMBER(19,0) ,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-postgresql.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 ,

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

@@ -41,7 +41,8 @@ CREATE TABLE BATCH_STEP_EXECUTION  (
 	VERSION INTEGER NOT NULL,
 	STEP_NAME VARCHAR(100) NOT NULL,
 	JOB_EXECUTION_ID INTEGER 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 INTEGER ,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-sqlserver.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 DATETIME NOT NULL ,
+	CREATE_TIME DATETIME NOT NULL,
+	START_TIME DATETIME DEFAULT NULL ,
 	END_TIME DATETIME DEFAULT NULL ,
 	STATUS VARCHAR(10) NULL,
 	COMMIT_COUNT BIGINT NULL,

spring-batch-core/src/main/resources/org/springframework/batch/core/schema-sybase.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 DATETIME NOT NULL ,
+	CREATE_TIME DATETIME NOT NULL,
+	START_TIME DATETIME DEFAULT NULL NULL,
 	END_TIME DATETIME DEFAULT NULL NULL,
 	STATUS VARCHAR(10) NULL,
 	COMMIT_COUNT BIGINT NULL,

spring-batch-core/src/test/java/org/springframework/batch/core/StepExecutionTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2021 the original author or authors.
+ * Copyright 2006-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,13 +75,13 @@ public void testGetEndTime() {
 
 	/**
 	 * Test method for
-	 * {@link org.springframework.batch.core.JobExecution#getStartTime()}.
+	 * {@link StepExecution#getCreateTime()}.
 	 */
 	@Test
-	public void testGetStartTime() {
-		assertNotNull(execution.getStartTime());
-		execution.setStartTime(new Date(10L));
-		assertEquals(10L, execution.getStartTime().getTime());
+	public void testGetCreateTime() {
+		assertNotNull(execution.getCreateTime());
+		execution.setCreateTime(new Date(10L));
+		assertEquals(10L, execution.getCreateTime().getTime());
 	}
 
 	/**

spring-batch-core/src/test/java/org/springframework/batch/core/repository/dao/AbstractStepExecutionDaoTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2021 the original author or authors.
+ * Copyright 2006-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -335,5 +335,6 @@ private void assertStepExecutionsAreEqual(StepExecution expected, StepExecution
 		assertEquals(expected.getLastUpdated(), actual.getLastUpdated());
 		assertEquals(expected.getExitStatus(), actual.getExitStatus());
 		assertEquals(expected.getJobExecutionId(), actual.getJobExecutionId());
+		assertEquals(expected.getCreateTime(), actual.getCreateTime());
 	}
 }

spring-batch-core/src/test/resources/org/springframework/batch/core/repository/dao/schema-prefix-hsqldb.sql

@@ -50,7 +50,8 @@ CREATE TABLE PREFIX_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 ,

spring-batch-core/src/test/resources/org/springframework/batch/core/schema-hsqldb-extended.sql

@@ -45,7 +45,8 @@ 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 ,