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Improve performance of JdbcJobInstanceDao#getLastJobInstance

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Credit to @chenglongyan for the fix

Backport of 30ce3326d1

Issue #4024
This commit is contained in:
Mahmoud Ben Hassine
2023-03-29 12:06:47 +02:00
parent 43c0b77b7e
commit 81e619b433
1 changed files with 2 additions and 2 deletions
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4
spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/JdbcJobInstanceDao.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2006-2019 the original author or authors.
* Copyright 2006-2023 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.
@@ -83,7 +83,7 @@ JobInstanceDao, InitializingBean {
private static final String FIND_LAST_JOBS_BY_NAME = "SELECT JOB_INSTANCE_ID, JOB_NAME from %PREFIX%JOB_INSTANCE where JOB_NAME = ? order by JOB_INSTANCE_ID desc";
private static final String FIND_LAST_JOB_INSTANCE_BY_JOB_NAME = "SELECT JOB_INSTANCE_ID, JOB_NAME from %PREFIX%JOB_INSTANCE I1 where" +
" I1.JOB_NAME = ? and I1.JOB_INSTANCE_ID in (SELECT max(I2.JOB_INSTANCE_ID) from %PREFIX%JOB_INSTANCE I2 where I2.JOB_NAME = ?)";
" I1.JOB_NAME = ? and I1.JOB_INSTANCE_ID = (SELECT max(I2.JOB_INSTANCE_ID) from %PREFIX%JOB_INSTANCE I2 where I2.JOB_NAME = ?)";
private static final String FIND_LAST_JOBS_LIKE_NAME = "SELECT JOB_INSTANCE_ID, JOB_NAME from %PREFIX%JOB_INSTANCE where JOB_NAME like ? order by JOB_INSTANCE_ID desc";