Add DataFieldMaxValueIncrementer for SQLite (migrated from Spring Batch)

Closes gh-35440
This commit is contained in:
Juergen Hoeller 2025-09-08 17:03:18 +02:00
parent 27221581a1
commit b8f71b2321
1 changed files with 85 additions and 0 deletions

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/*
* Copyright 2002-present 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jdbc.support.incrementer;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;
import org.springframework.dao.DataAccessResourceFailureException;
import org.springframework.jdbc.datasource.DataSourceUtils;
import org.springframework.jdbc.support.JdbcUtils;
/**
* {@link DataFieldMaxValueIncrementer} that increments the maximum value of a given table with
* the equivalent of an auto-increment column, using a SQLite {@code select max(rowid)} query.
*
* @author Luke Taylor
* @author Juergen Hoeller
* @since 7.0
*/
public class SqliteMaxValueIncrementer extends AbstractColumnMaxValueIncrementer {
/**
* Default constructor for bean property style usage.
* @see #setDataSource
* @see #setIncrementerName
* @see #setColumnName
*/
public SqliteMaxValueIncrementer() {
}
/**
* Convenience constructor.
* @param dataSource the DataSource to use
* @param incrementerName the name of the sequence/table to use
* @param columnName the name of the column in the sequence table to use
*/
public SqliteMaxValueIncrementer(DataSource dataSource, String incrementerName, String columnName) {
super(dataSource, incrementerName, columnName);
}
@Override
protected long getNextKey() {
Connection con = DataSourceUtils.getConnection(getDataSource());
Statement stmt = null;
try {
stmt = con.createStatement();
DataSourceUtils.applyTransactionTimeout(stmt, getDataSource());
stmt.executeUpdate("insert into " + getIncrementerName() + " values(null)");
ResultSet rs = stmt.executeQuery("select max(rowid) from " + getIncrementerName());
if (!rs.next()) {
throw new DataAccessResourceFailureException("rowid query failed after executing an update");
}
long nextKey = rs.getLong(1);
stmt.executeUpdate("delete from " + getIncrementerName() + " where " + getColumnName() + " < " + nextKey);
return nextKey;
}
catch (SQLException ex) {
throw new DataAccessResourceFailureException("Could not obtain rowid", ex);
}
finally {
JdbcUtils.closeStatement(stmt);
DataSourceUtils.releaseConnection(con, getDataSource());
}
}
}