Adds support for Task Execution Parent Ids

resolves #261

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/configuration/TaskProperties.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2016 the original author or authors.
+ *  Copyright 2016-2017 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.
@@ -37,7 +37,13 @@ public class TaskProperties {
 	/**
 	 * An id that will be used by the task when updating the task execution.
 	 */
-	private Integer executionid;
+	private Long executionid;
+
+	/**
+	 * The id of the parent task execution id that launched this task execution.
+	 * Defaults to null if task execution had no parent.
+	 */
+	private Long parentExecutionId;
 
 	/**
 	 * The prefix to append to the table names created by Spring Cloud Task.
@@ -58,11 +64,11 @@ public class TaskProperties {
 		this.externalExecutionId = externalExecutionId;
 	}
 
-	public Integer getExecutionid() {
+	public Long getExecutionid() {
 		return executionid;
 	}
 
-	public void setExecutionid(Integer executionid) {
+	public void setExecutionid(Long executionid) {
 		this.executionid = executionid;
 	}
 
@@ -81,4 +87,12 @@ public class TaskProperties {
 	public void setTablePrefix(String tablePrefix) {
 		this.tablePrefix = tablePrefix;
 	}
+
+	public Long getParentExecutionId() {
+		return parentExecutionId;
+	}
+
+	public void setParentExecutionId(Long parentExecutionId) {
+		this.parentExecutionId = parentExecutionId;
+	}
 }

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/listener/TaskLifecycleListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2017 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.
@@ -201,7 +201,9 @@ public class TaskLifecycleListener implements ApplicationListener<ApplicationEve
 				Assert.isNull(taskExecution.getEndTime(), String.format(
 						"Invalid TaskExecution, ID %s task is already complete", taskProperties.getExecutionid()));
 				this.taskExecution = this.taskRepository.startTaskExecution(taskProperties.getExecutionid(),
-						this.taskNameResolver.getTaskName(), new Date(), args, taskProperties.getExternalExecutionId());
+						this.taskNameResolver.getTaskName(), new Date(), args,
+						taskProperties.getExternalExecutionId(),
+						taskProperties.getParentExecutionId());
 			}
 			else {
 				TaskExecution taskExecution = new TaskExecution();
@@ -209,6 +211,7 @@ public class TaskLifecycleListener implements ApplicationListener<ApplicationEve
 				taskExecution.setStartTime(new Date());
 				taskExecution.setArguments(args);
 				taskExecution.setExternalExecutionId(taskProperties.getExternalExecutionId());
+				taskExecution.setParentExecutionId(taskProperties.getParentExecutionId());
 				this.taskExecution = this.taskRepository.createTaskExecution(
 						taskExecution);
 			}

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/TaskExecution.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2017 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.
@@ -21,7 +21,6 @@ import java.util.Date;
 import java.util.List;
 
 import org.springframework.util.Assert;
-import org.springframework.util.StringUtils;
 
 /**
  * Represents the state of the Task for each execution.
@@ -31,11 +30,17 @@ import org.springframework.util.StringUtils;
  */
 
 public class TaskExecution {
+
 	/**
 	 * The unique id  associated with the task execution.
 	 */
 	private long executionId;
 
+	/**
+	 * The parent task execution id.
+	 */
+	private Long parentExecutionId;
+
 	/**
 	 * The recorded exit code for the task.
 	 */
@@ -87,7 +92,8 @@ public class TaskExecution {
 	public TaskExecution(long executionId, Integer exitCode, String taskName,
 						 Date startTime, Date endTime,
 						 String exitMessage, List<String> arguments,
-						 String errorMessage, String externalExecutionId) {
+						 String errorMessage, String externalExecutionId,
+						 Long parentExecutionId) {
 
 		Assert.notNull(arguments, "arguments must not be null");
 		this.executionId = executionId;
@@ -99,6 +105,16 @@ public class TaskExecution {
 		this.endTime = (endTime != null) ? (Date)endTime.clone() : null;
 		this.errorMessage = errorMessage;
 		this.externalExecutionId = externalExecutionId;
+		this.parentExecutionId = parentExecutionId;
+	}
+
+	public TaskExecution(long executionId, Integer exitCode, String taskName,
+			Date startTime, Date endTime,
+			String exitMessage, List<String> arguments,
+			String errorMessage, String externalExecutionId) {
+
+		this(executionId, exitCode, taskName, startTime, endTime, exitMessage,
+				arguments, errorMessage,externalExecutionId, null);
 	}
 
 	public long getExecutionId() {
@@ -169,16 +185,26 @@ public class TaskExecution {
 		this.externalExecutionId = externalExecutionId;
 	}
 
+	public Long getParentExecutionId() {
+		return parentExecutionId;
+	}
+
+	public void setParentExecutionId(Long parentExecutionId) {
+		this.parentExecutionId = parentExecutionId;
+	}
+
 	@Override
 	public String toString() {
 		return "TaskExecution{" +
 				"executionId=" + executionId +
+				", parentExecutionId=" + parentExecutionId +
 				", exitCode=" + exitCode +
 				", taskName='" + taskName + '\'' +
 				", startTime=" + startTime +
 				", endTime=" + endTime +
 				", exitMessage='" + exitMessage + '\'' +
-				", errorMessage='" + errorMessage + "\'" +
+				", externalExecutionId='" + externalExecutionId + '\'' +
+				", errorMessage='" + errorMessage + '\'' +
 				", arguments=" + arguments +
 				'}';
 	}

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/TaskRepository.java

@@ -104,4 +104,21 @@ public interface TaskRepository {
 	@Transactional
 	void updateExternalExecutionId(long executionid,
 			String externalExecutionId);
+
+	/**
+	 * Notifies the repository that a taskExecution has has started.
+	 * @param executionid  to the task execution to be updated.
+	 * @param taskName the name that associated with the task execution.
+	 * @param startTime the time task began.
+	 * @param arguments list of key/value pairs that configure the task.
+	 * @param externalExecutionId id assigned to the task by the platform.
+	 * @param parentExecutionId the parent task execution id.
+
+	 * @return
+	 */
+	@Transactional
+	TaskExecution startTaskExecution(long executionid, String taskName,
+			Date startTime,List<String> arguments, String externalExecutionId,
+			Long parentExecutionId);
+
 }

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/dao/JdbcTaskExecutionDao.java

@@ -61,7 +61,8 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 
 	public static final String SELECT_CLAUSE = "TASK_EXECUTION_ID, "
 			+ "START_TIME, END_TIME, TASK_NAME, EXIT_CODE, "
-			+ "EXIT_MESSAGE, ERROR_MESSAGE, LAST_UPDATED, EXTERNAL_EXECUTION_ID ";
+			+ "EXIT_MESSAGE, ERROR_MESSAGE, LAST_UPDATED, "
+			+ "EXTERNAL_EXECUTION_ID, PARENT_EXECUTION_ID ";
 
 	public static final String FROM_CLAUSE = "%PREFIX%EXECUTION";
 
@@ -71,14 +72,16 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 	public static final String TASK_NAME_WHERE_CLAUSE = "where TASK_NAME = ? ";
 
 	private static final String SAVE_TASK_EXECUTION = "INSERT into %PREFIX%EXECUTION"
-			+ "(TASK_EXECUTION_ID, START_TIME, TASK_NAME, LAST_UPDATED, EXTERNAL_EXECUTION_ID)"
-			+ "values (?, ?, ?, ?, ?)";
+			+ "(TASK_EXECUTION_ID, START_TIME, TASK_NAME, LAST_UPDATED, EXTERNAL_EXECUTION_ID, PARENT_EXECUTION_ID)"
+			+ "values (?, ?, ?, ?, ?, ?)";
 
 	private static final String CREATE_TASK_ARGUMENT = "INSERT into "
 			+ "%PREFIX%EXECUTION_PARAMS(TASK_EXECUTION_ID, TASK_PARAM ) values (?, ?)";
 
 	private static final String START_TASK_EXECUTION = "UPDATE %PREFIX%EXECUTION set "
-			+ "START_TIME = ?, TASK_NAME = ?, LAST_UPDATED = ?, EXTERNAL_EXECUTION_ID = ? where TASK_EXECUTION_ID = ?";
+			+ "START_TIME = ?, TASK_NAME = ?, LAST_UPDATED = ?, "
+			+ "EXTERNAL_EXECUTION_ID = ?, PARENT_EXECUTION_ID = ? "
+			+ "where TASK_EXECUTION_ID = ?";
 
 	private static final String CHECK_TASK_EXECUTION_EXISTS = "SELECT COUNT(*) FROM "
 			+ "%PREFIX%EXECUTION WHERE TASK_EXECUTION_ID = ?";
@@ -92,7 +95,8 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 
 	private static final String GET_EXECUTION_BY_ID = "SELECT TASK_EXECUTION_ID, " +
 			"START_TIME, END_TIME, TASK_NAME, EXIT_CODE, "
-			+ "EXIT_MESSAGE, ERROR_MESSAGE, LAST_UPDATED, EXTERNAL_EXECUTION_ID "
+			+ "EXIT_MESSAGE, ERROR_MESSAGE, LAST_UPDATED, EXTERNAL_EXECUTION_ID, "
+			+ "PARENT_EXECUTION_ID "
 			+ "from %PREFIX%EXECUTION where TASK_EXECUTION_ID = ?";
 
 	private static final String FIND_ARGUMENT_FROM_ID = "SELECT TASK_EXECUTION_ID, "
@@ -150,16 +154,27 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 	@Override
 	public TaskExecution createTaskExecution(String taskName,
 			Date startTime, List<String> arguments, String externalExecutionId)  {
+		return createTaskExecution(taskName, startTime, arguments,
+				externalExecutionId, null);
+	}
+
+	@Override
+	public TaskExecution createTaskExecution(String taskName, Date startTime,
+			List<String> arguments, String externalExecutionId,
+			Long parentExecutionId) {
 		long nextExecutionId = getNextExecutionId();
 
 		TaskExecution taskExecution = new TaskExecution(nextExecutionId, null, taskName,
 				startTime, null, null, arguments, null, externalExecutionId);
 
-		Object[] queryParameters = new Object[]{ nextExecutionId, startTime, taskName, new Date(), externalExecutionId};
+		Object[] queryParameters = new Object[]{ nextExecutionId, startTime,
+				taskName, new Date(), externalExecutionId,
+				parentExecutionId};
 		jdbcTemplate.update(
 				getQuery(SAVE_TASK_EXECUTION),
 				queryParameters,
-				new int[]{ Types.BIGINT, Types.TIMESTAMP, Types.VARCHAR,  Types.TIMESTAMP, Types.VARCHAR });
+				new int[]{ Types.BIGINT, Types.TIMESTAMP, Types.VARCHAR,
+						Types.TIMESTAMP, Types.VARCHAR, Types.BIGINT});
 		insertTaskArguments(nextExecutionId, arguments);
 		return taskExecution;
 	}
@@ -167,14 +182,25 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 	@Override
 	public TaskExecution startTaskExecution(long executionId, String taskName, Date startTime, List<String> arguments,
 			String externalExecutionId) {
-		TaskExecution taskExecution = new TaskExecution(executionId, null, taskName,
-				startTime, null, null, arguments, null, externalExecutionId);
+		return startTaskExecution(executionId, taskName, startTime, arguments,
+				externalExecutionId, null);
+	}
 
-		Object[] queryParameters = new Object[]{ startTime, taskName, new Date(), externalExecutionId, executionId};
+	@Override
+	public TaskExecution startTaskExecution(long executionId, String taskName,
+			Date startTime, List<String> arguments,
+			String externalExecutionId, Long parentExecutionId) {
+		TaskExecution taskExecution = new TaskExecution(executionId, null, taskName,
+				startTime, null, null, arguments,null, externalExecutionId, parentExecutionId);
+
+		Object[] queryParameters = new Object[]{ startTime, taskName,
+				new Date(), externalExecutionId,
+				parentExecutionId, executionId};
 		jdbcTemplate.update(
 				getQuery(START_TASK_EXECUTION),
 				queryParameters,
-				new int[]{ Types.TIMESTAMP, Types.VARCHAR,  Types.TIMESTAMP, Types.VARCHAR, Types.BIGINT });
+				new int[]{ Types.TIMESTAMP, Types.VARCHAR,  Types.TIMESTAMP,
+						Types.VARCHAR, Types.BIGINT, Types.BIGINT });
 		insertTaskArguments(executionId, arguments);
 		return taskExecution;
 	}
@@ -442,6 +468,10 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 		@Override
 		public TaskExecution mapRow(ResultSet rs, int rowNum) throws SQLException {
 			long  id = rs.getLong("TASK_EXECUTION_ID");
+			Long parentExecutionId = rs.getLong("PARENT_EXECUTION_ID");
+			if(rs.wasNull()) {
+				parentExecutionId = null;
+			}
 			return new TaskExecution(id,
 					getNullableExitCode(rs),
 					rs.getString("TASK_NAME"),
@@ -450,7 +480,8 @@ public class JdbcTaskExecutionDao implements TaskExecutionDao {
 					rs.getString("EXIT_MESSAGE"),
 					getTaskArguments(id),
 					rs.getString("ERROR_MESSAGE"),
-					rs.getString("EXTERNAL_EXECUTION_ID"));
+					rs.getString("EXTERNAL_EXECUTION_ID"),
+					parentExecutionId);
 		}
 
                 private Integer getNullableExitCode(ResultSet rs) throws SQLException {

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/dao/MapTaskExecutionDao.java

@@ -55,9 +55,15 @@ public class MapTaskExecutionDao implements TaskExecutionDao {
 	@Override
 	public TaskExecution createTaskExecution(String taskName,
 			Date startTime, List<String> arguments, String externalExecutionId) {
+		return createTaskExecution(taskName, startTime, arguments,
+				externalExecutionId, null);
+	}
+
+	@Override
+	public TaskExecution createTaskExecution(String taskName, Date startTime, List<String> arguments, String externalExecutionId, Long parentExecutionId) {
 		long taskExecutionId = getNextExecutionId();
 		TaskExecution taskExecution = new TaskExecution(taskExecutionId, null, taskName,
-				startTime, null, null, arguments, null, externalExecutionId);
+				startTime, null, null, arguments, null, externalExecutionId, parentExecutionId);
 		taskExecutions.put(taskExecutionId, taskExecution);
 		return taskExecution;
 	}
@@ -65,12 +71,20 @@ public class MapTaskExecutionDao implements TaskExecutionDao {
 	@Override
 	public TaskExecution startTaskExecution(long executionId, String taskName, Date startTime, List<String> arguments,
 			String externalExecutionid) {
-		TaskExecution taskExecution= taskExecutions.get(executionId);
+		return startTaskExecution(executionId, taskName, startTime, arguments,
+				externalExecutionid, null);
+	}
 
+	@Override
+	public TaskExecution startTaskExecution(long executionId, String taskName,
+			Date startTime, List<String> arguments, String externalExecutionid,
+			Long parentExecutionId) {
+		TaskExecution taskExecution= taskExecutions.get(executionId);
 		taskExecution.setTaskName(taskName);
 		taskExecution.setStartTime(startTime);
 		taskExecution.setArguments(arguments);
 		taskExecution.setExternalExecutionId(externalExecutionid);
+		taskExecution.setParentExecutionId(parentExecutionId);
 
 		return taskExecution;
 	}

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/dao/TaskExecutionDao.java

@@ -43,6 +43,21 @@ public interface TaskExecutionDao {
 	TaskExecution createTaskExecution( String taskName,
 						   Date startTime, List<String> arguments, String externalExecutionId);
 
+	/**
+	 * Save a new {@link TaskExecution}.
+	 *
+	 * @param taskName the name that associated with the task execution.
+	 * @param startTime the time task began.
+	 * @param arguments list of key/value pairs that configure the task.
+	 * @param externalExecutionId id assigned to the task by the platform
+	 * @param parentExecutionId the parent task execution id.
+	 * @return A fully qualified {@link TaskExecution} instance.
+	 * @since 1.2.0
+	 */
+	TaskExecution createTaskExecution( String taskName,
+			Date startTime, List<String> arguments, String externalExecutionId,
+			Long parentExecutionId);
+
 	/**
 	 * Update and existing {@link TaskExecution} to mark it as started.
 	 *
@@ -56,6 +71,21 @@ public interface TaskExecutionDao {
 	TaskExecution startTaskExecution(long executionId, String taskName,
 						   Date startTime, List<String> arguments, String externalExecutionId);
 
+	/**
+	 * Update and existing {@link TaskExecution} to mark it as started.
+	 *
+	 * @param executionId the id of  the taskExecution to be updated.
+	 * @param taskName the name that associated with the task execution.
+	 * @param startTime the time task began.
+	 * @param arguments list of key/value pairs that configure the task.
+	 * @param externalExecutionId id assigned to the task by the platform
+	 * @param parentExecutionId the parent task execution id.
+	 * @since 1.2.0
+	 */
+	TaskExecution startTaskExecution(long executionId, String taskName,
+			Date startTime, List<String> arguments, String externalExecutionId,
+			Long parentExecutionId);
+
 	/**
 	 * Update and existing {@link TaskExecution} to mark it as completed.
 	 *

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/support/SimpleTaskRepository.java

@@ -16,7 +16,6 @@
 
 package org.springframework.cloud.task.repository.support;
 
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
 import java.util.List;
@@ -109,7 +108,8 @@ public class SimpleTaskRepository implements TaskRepository {
 						taskExecution.getTaskName(),
 						taskExecution.getStartTime(),
 						taskExecution.getArguments(),
-						taskExecution.getExternalExecutionId());
+						taskExecution.getExternalExecutionId(),
+						taskExecution.getParentExecutionId());
 		logger.debug("Creating: " + taskExecution.toString());
 		return daoTaskExecution;
 	}
@@ -127,11 +127,8 @@ public class SimpleTaskRepository implements TaskRepository {
 	@Override
 	public TaskExecution startTaskExecution(long executionid, String taskName, Date startTime, List<String> arguments,
 			String externalExecutionId) {
-		initialize();
-		TaskExecution taskExecution =
-				taskExecutionDao.startTaskExecution(executionid, taskName, startTime, arguments, externalExecutionId);
-		logger.debug("Starting: " + taskExecution.toString());
-		return taskExecution;
+		return startTaskExecution(executionid, taskName, startTime, arguments,
+				externalExecutionId, null);
 	}
 
 	@Override
@@ -140,6 +137,19 @@ public class SimpleTaskRepository implements TaskRepository {
 		taskExecutionDao.updateExternalExecutionId(executionid, externalExecutionId);
 	}
 
+	@Override
+	public TaskExecution startTaskExecution(long executionid, String taskName,
+			Date startTime, List<String> arguments, String externalExecutionId,
+			Long parentExecutionId) {
+		initialize();
+		TaskExecution taskExecution =
+				taskExecutionDao.startTaskExecution(executionid, taskName,
+						startTime, arguments, externalExecutionId,
+						parentExecutionId);
+		logger.debug("Starting: " + taskExecution.toString());
+		return taskExecution;
+	}
+
 	/**
 	 * Retrieves the taskExecutionDao associated with this repository.
 	 * @return the taskExecutionDao

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-h2.sql

@@ -0,0 +1 @@
+alter table task_execution add PARENT_EXECUTION_ID BIGINT;

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-hsqldb.sql

@@ -0,0 +1 @@
+alter table task_execution add PARENT_EXECUTION_ID BIGINT;

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-mysql.sql

@@ -0,0 +1 @@
+alter table task_execution add PARENT_EXECUTION_ID BIGINT;

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-oracle.sql

@@ -0,0 +1 @@
+alter table task_execution add PARENT_EXECUTION_ID BIGINT;

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-postgresql.sql

@@ -0,0 +1 @@
+alter table task_execution add PARENT_EXECUTION_ID BIGINT;

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-sqlserver.sql

@@ -0,0 +1 @@
+alter table task_execution add PARENT_EXECUTION_ID BIGINT;

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-db2.sql

@@ -8,7 +8,8 @@ CREATE TABLE TASK_EXECUTION  (
 	EXIT_MESSAGE VARCHAR(2500) ,
 	ERROR_MESSAGE VARCHAR(2500) ,
 	LAST_UPDATED TIMESTAMP,
-	EXTERNAL_EXECUTION_ID VARCHAR(255)
+	EXTERNAL_EXECUTION_ID VARCHAR(255),
+	PARENT_EXECUTION_ID BIGINT
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-h2.sql

@@ -8,7 +8,8 @@ CREATE TABLE TASK_EXECUTION  (
 	EXIT_MESSAGE VARCHAR(2500) ,
 	ERROR_MESSAGE VARCHAR(2500) ,
 	LAST_UPDATED TIMESTAMP,
-	EXTERNAL_EXECUTION_ID VARCHAR(255)
+	EXTERNAL_EXECUTION_ID VARCHAR(255),
+	PARENT_EXECUTION_ID BIGINT
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-hsqldb.sql

@@ -8,7 +8,8 @@ CREATE TABLE TASK_EXECUTION  (
 	EXIT_MESSAGE VARCHAR(2500) ,
 	ERROR_MESSAGE VARCHAR(2500) ,
 	LAST_UPDATED TIMESTAMP,
-	EXTERNAL_EXECUTION_ID VARCHAR(255)
+	EXTERNAL_EXECUTION_ID VARCHAR(255),
+	PARENT_EXECUTION_ID BIGINT
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-mysql.sql

@@ -8,7 +8,8 @@ CREATE TABLE TASK_EXECUTION  (
 	EXIT_MESSAGE VARCHAR(2500) ,
 	ERROR_MESSAGE VARCHAR(2500) ,
 	LAST_UPDATED TIMESTAMP,
-	EXTERNAL_EXECUTION_ID VARCHAR(255)
+	EXTERNAL_EXECUTION_ID VARCHAR(255),
+	PARENT_EXECUTION_ID BIGINT
 ) ENGINE=InnoDB;
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-oracle10g.sql

@@ -8,7 +8,8 @@ CREATE TABLE TASK_EXECUTION  (
 	EXIT_MESSAGE VARCHAR2(2500) ,
 	ERROR_MESSAGE VARCHAR2(2500) ,
 	LAST_UPDATED TIMESTAMP,
-	EXTERNAL_EXECUTION_ID VARCHAR2(255)
+	EXTERNAL_EXECUTION_ID VARCHAR2(255),
+	PARENT_EXECUTION_ID BIGINT
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-postgresql.sql

@@ -8,7 +8,8 @@ CREATE TABLE TASK_EXECUTION  (
 	EXIT_MESSAGE VARCHAR(2500) ,
 	ERROR_MESSAGE VARCHAR(2500) ,
 	LAST_UPDATED TIMESTAMP ,
-	EXTERNAL_EXECUTION_ID VARCHAR(255)
+	EXTERNAL_EXECUTION_ID VARCHAR(255),
+	PARENT_EXECUTION_ID BIGINT
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-sqlserver.sql

@@ -7,7 +7,8 @@ CREATE TABLE TASK_EXECUTION  (
   EXIT_MESSAGE VARCHAR(2500) ,
   ERROR_MESSAGE VARCHAR(2500) ,
   LAST_UPDATED DATETIME ,
-  EXTERNAL_EXECUTION_ID VARCHAR(255)
+  EXTERNAL_EXECUTION_ID VARCHAR(255),
+  PARENT_EXECUTION_ID BIGINT
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (