Repository is not initialized if tablePrefix is set.

resolves #311

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

@@ -17,6 +17,7 @@
 package org.springframework.cloud.task.configuration;
 
 import java.util.Collection;
+
 import javax.annotation.PostConstruct;
 import javax.sql.DataSource;
 

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

@@ -29,6 +29,7 @@ import org.springframework.jdbc.datasource.init.DatabasePopulatorUtils;
 import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
 import org.springframework.jdbc.support.JdbcUtils;
 import org.springframework.jdbc.support.MetaDataAccessException;
+import org.springframework.util.StringUtils;
 
 /**
  * Utility for initializing the Task Repository's datasource.  If a single
@@ -63,6 +64,9 @@ public final class TaskRepositoryInitializer implements InitializingBean {
 	@Value("${spring.cloud.task.initialize.enable:true}")
 	private boolean taskInitializationEnable;
 
+	@Value("${spring.cloud.task.tablePrefix:#{null}}")
+	private String tablePrefix;
+
 	public TaskRepositoryInitializer(){
 	}
 
@@ -86,7 +90,9 @@ public final class TaskRepositoryInitializer implements InitializingBean {
 
 	@Override
 	public void afterPropertiesSet() throws Exception {
-		if (dataSource != null && taskInitializationEnable) {
+		if (dataSource != null &&
+				taskInitializationEnable &&
+				!StringUtils.hasText(this.tablePrefix)) {
 			String platform = getDatabaseType(dataSource);
 			if ("hsql".equals(platform)) {
 				platform = "hsqldb";