Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Improve performance of JdbcStepExecutionDao::getLastStepExecution #4798

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Improve performance of JdbcStepExecutionDao::getLastStepExecution #4798

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
53 changes: 29 additions & 24 deletions ...ore/src/main/java/org/springframework/batch/core/repository/dao/JdbcStepExecutionDao.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.locks.Lock;
Expand All @@ -41,6 +40,7 @@
import org.springframework.beans.factory.InitializingBean;
import org.springframework.dao.OptimisticLockingFailureException;
import org.springframework.jdbc.core.BatchPreparedStatementSetter;
import org.springframework.jdbc.core.PreparedStatementCallback;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.support.incrementer.DataFieldMaxValueIncrementer;
import org.springframework.lang.Nullable;
Expand All @@ -66,6 +66,7 @@
* @author Mahmoud Ben Hassine
* @author Baris Cubukcuoglu
* @author Minsoo Kim
* @author Yanming Zhou
* @see StepExecutionDao
*/
public class JdbcStepExecutionDao extends AbstractJdbcBatchMetadataDao implements StepExecutionDao, InitializingBean {
Expand Down Expand Up @@ -98,6 +99,7 @@ public class JdbcStepExecutionDao extends AbstractJdbcBatchMetadataDao implement
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.CREATE_TIME DESC, SE.JOB_EXECUTION_ID DESC
""";

private static final String CURRENT_VERSION_STEP_EXECUTION = """
Expand All @@ -117,10 +119,6 @@ SELECT COUNT(*)
WHERE STEP_EXECUTION_ID = ?
""";

private static final Comparator<StepExecution> BY_CREATE_TIME_DESC_ID_DESC = Comparator
.comparing(StepExecution::getCreateTime, Comparator.reverseOrder())
.thenComparing(StepExecution::getId, Comparator.reverseOrder());

private int exitMessageLength = DEFAULT_EXIT_MESSAGE_LENGTH;

private DataFieldMaxValueIncrementer stepExecutionIncrementer;
Expand Down Expand Up @@ -337,27 +335,34 @@ public StepExecution getStepExecution(JobExecution jobExecution, Long stepExecut
}
}

@Nullable
@Override
public StepExecution getLastStepExecution(JobInstance jobInstance, String stepName) {
List<StepExecution> executions = getJdbcTemplate().query(getQuery(GET_LAST_STEP_EXECUTION), (rs, rowNum) -> {
Long jobExecutionId = rs.getLong(19);
JobExecution jobExecution = new JobExecution(jobExecutionId);
jobExecution.setStartTime(rs.getTimestamp(20) == null ? null : rs.getTimestamp(20).toLocalDateTime());
jobExecution.setEndTime(rs.getTimestamp(21) == null ? null : rs.getTimestamp(21).toLocalDateTime());
jobExecution.setStatus(BatchStatus.valueOf(rs.getString(22)));
jobExecution.setExitStatus(new ExitStatus(rs.getString(23), rs.getString(24)));
jobExecution.setCreateTime(rs.getTimestamp(25) == null ? null : rs.getTimestamp(25).toLocalDateTime());
jobExecution.setLastUpdated(rs.getTimestamp(26) == null ? null : rs.getTimestamp(26).toLocalDateTime());
jobExecution.setVersion(rs.getInt(27));
return new StepExecutionRowMapper(jobExecution).mapRow(rs, rowNum);
}, jobInstance.getInstanceId(), stepName);
executions.sort(BY_CREATE_TIME_DESC_ID_DESC);
if (executions.isEmpty()) {
return null;
}
else {
return executions.get(0);
}
return getJdbcTemplate().execute(getQuery(GET_LAST_STEP_EXECUTION),
(PreparedStatementCallback<StepExecution>) statement -> {
statement.setMaxRows(1);
statement.setLong(1, jobInstance.getInstanceId());
statement.setString(2, stepName);
try (ResultSet rs = statement.executeQuery()) {
if (rs.next()) {
Long jobExecutionId = rs.getLong(19);
JobExecution jobExecution = new JobExecution(jobExecutionId);
jobExecution.setStartTime(
rs.getTimestamp(20) == null ? null : rs.getTimestamp(20).toLocalDateTime());
jobExecution
.setEndTime(rs.getTimestamp(21) == null ? null : rs.getTimestamp(21).toLocalDateTime());
jobExecution.setStatus(BatchStatus.valueOf(rs.getString(22)));
jobExecution.setExitStatus(new ExitStatus(rs.getString(23), rs.getString(24)));
jobExecution.setCreateTime(
rs.getTimestamp(25) == null ? null : rs.getTimestamp(25).toLocalDateTime());
jobExecution.setLastUpdated(
rs.getTimestamp(26) == null ? null : rs.getTimestamp(26).toLocalDateTime());
jobExecution.setVersion(rs.getInt(27));
return new StepExecutionRowMapper(jobExecution).mapRow(rs, 0);
}
return null;
}
});
}

@Override
Expand Down