package org.kodejava.jdbc;
import java.io.File;
import java.io.FileReader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
public class ClobInsertDemo {
private static final String URL = "jdbc:mysql://localhost/kodejava";
private static final String USERNAME = "kodejava";
private static final String PASSWORD = "s3cr*t";
public static void main(String[] args) {
try (Connection conn =
DriverManager.getConnection(URL, USERNAME, PASSWORD)) {
conn.setAutoCommit(false);
String sql = "INSERT INTO book_excerpt " +
"(book_id, description, data) VALUES (?, ?, ?)";
File data = new File("java-8-in-action.txt");
try (PreparedStatement stmt = conn.prepareStatement(sql);
FileReader reader = new FileReader(data)) {
stmt.setLong(1, 1L);
stmt.setString(2, "Java 8 in Action");
stmt.setCharacterStream(3, reader, (int) data.length());
stmt.execute();
conn.commit();
} catch (Exception e) {
conn.rollback();
e.printStackTrace();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
The structure of book_excerpt table.
CREATE TABLE `book_excerpt`
(
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`book_id` bigint(20) unsigned NOT NULL,
`description` varchar(255) NOT NULL,
`data` longtext,
PRIMARY KEY (`id`),
CONSTRAINT `book_excerpt_ibfk_1` FOREIGN KEY (`book_id`) REFERENCES `book` (`id`)
) ENGINE = InnoDB;
Maven Dependencies
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<version>8.1.0</version>
</dependency>
Founder at Kode Java Org
A programmer, recreational runner and diver, live in the island of Bali, Indonesia. Programming in Java, Spring, Hibernate / JPA. You can support me working on this project, buy me a cup of coffee ☕ every little bit helps, thank you 🙏
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