Example_3_3_PreparedStatements.java

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package org.jooq.academy.section3;

import static org.jooq.academy.tools.Tools.connection;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;

import org.jooq.academy.tools.Tools;
import org.jooq.conf.Settings;
import org.jooq.conf.StatementType;
import org.jooq.impl.DSL;

import org.junit.Test;

public class Example_3_3_PreparedStatements {

    @Test
    public void run() throws SQLException {
        Connection connection = connection();

        Tools.title("Distinguishing between static and prepared statements with JDBC");

        // 1% of the time
        try (Statement stmt = connection.createStatement()) {
            stmt.execute("SELECT * FROM AUTHOR");
        }

        // 99% of the time
        try (PreparedStatement stmt = connection.prepareStatement("SELECT * FROM AUTHOR")) {
            stmt.execute();
        }

        Tools.title("Distinguishing between static and prepared statements with jOOQ");
        // 1% of the time
        System.out.println(
            DSL.using(connection, new Settings().withStatementType(StatementType.STATIC_STATEMENT))
               .fetch("SELECT * FROM AUTHOR")
        );

        // 99% of the time
        System.out.println(
            DSL.using(connection)
               .fetch("SELECT * FROM AUTHOR")
        );
    }
}