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With JDBC, you can easily execute several statements at once using the addBatch() method. Essentially, there are two modes in JDBC

  • Execute several queries without bind values
  • Execute one query several times with bind values

Using JDBC

In code, this looks like the following snippet:

// 1. several queries
// ------------------
try (Statement stmt = connection.createStatement()) {
    stmt.addBatch("INSERT INTO author(id, first_name, last_name) VALUES (1, 'Erich', 'Gamma')");
    stmt.addBatch("INSERT INTO author(id, first_name, last_name) VALUES (2, 'Richard', 'Helm')");
    stmt.addBatch("INSERT INTO author(id, first_name, last_name) VALUES (3, 'Ralph', 'Johnson')");
    stmt.addBatch("INSERT INTO author(id, first_name, last_name) VALUES (4, 'John', 'Vlissides')");
    int[] result = stmt.executeBatch();
}

// 2. a single query
// -----------------
try (PreparedStatement stmt = connection.prepareStatement("INSERT INTO author(id, first_name, last_name) VALUES (?, ?, ?)")) {
    stmt.setInt(1, 1);
    stmt.setString(2, "Erich");
    stmt.setString(3, "Gamma");
    stmt.addBatch();
    
    stmt.setInt(1, 2);
    stmt.setString(2, "Richard");
    stmt.setString(3, "Helm");
    stmt.addBatch();
    
    stmt.setInt(1, 3);
    stmt.setString(2, "Ralph");
    stmt.setString(3, "Johnson");
    stmt.addBatch();
    
    stmt.setInt(1, 4);
    stmt.setString(2, "John");
    stmt.setString(3, "Vlissides");
    stmt.addBatch();
    
    int[] result = stmt.executeBatch();
}

Using jOOQ

jOOQ supports executing queries in batch mode as follows:

// 1. several queries
// ------------------
create.batch(
	create.insertInto(AUTHOR, ID, FIRST_NAME, LAST_NAME).values(1, "Erich"  , "Gamma"    ),
	create.insertInto(AUTHOR, ID, FIRST_NAME, LAST_NAME).values(2, "Richard", "Helm"     ),
	create.insertInto(AUTHOR, ID, FIRST_NAME, LAST_NAME).values(3, "Ralph"  , "Johnson"  ),
	create.insertInto(AUTHOR, ID, FIRST_NAME, LAST_NAME).values(4, "John"   , "Vlissides"))
.execute();

// 2. a single query
// -----------------
create.batch(create.insertInto(AUTHOR, ID, FIRST_NAME, LAST_NAME  ).values((Integer) null, null, null))
      .bind(                           1 , "Erich"   , "Gamma"    )
      .bind(                           2 , "Richard" , "Helm"     )
      .bind(                           3 , "Ralph"   , "Johnson"  )
      .bind(                           4 , "John"    , "Vlissides")
      .execute();

When creating a batch execution with a single query and multiple bind values, you will still have to provide jOOQ with dummy bind values for the original query. In the above example, these are set to null. For subsequent calls to bind(), there will be no type safety provided by jOOQ.

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