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Simplify GET_LAST_STEP_EXECUTION

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Simplify JdbcStepExecutionDao#GET_LAST_STEP_EXECUTION
to use an equi-join instead of an cartesian join and
a subselect.

Issue #3997
This commit is contained in:
Philippe Marschall
2021-09-10 16:56:44 +02:00
committed by Mahmoud Ben Hassine
parent 74df41db72
commit f689901254
1 changed files with 4 additions and 6 deletions
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10
spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/JdbcStepExecutionDao.java
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@@ -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.
@@ -95,11 +95,9 @@ public class JdbcStepExecutionDao extends AbstractJdbcBatchMetadataDao implement
"SE.WRITE_SKIP_COUNT, SE.PROCESS_SKIP_COUNT, SE.ROLLBACK_COUNT, SE.LAST_UPDATED, SE.VERSION," +
" 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, %PREFIX%STEP_EXECUTION SE" +
" where " +
" SE.JOB_EXECUTION_ID in (SELECT JOB_EXECUTION_ID from %PREFIX%JOB_EXECUTION " +
"where JOB_INSTANCE_ID = ?)" +
" and SE.JOB_EXECUTION_ID = JE.JOB_EXECUTION_ID " +
" 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";