6.1.1. AUTO flush on commit

<div class="paragraph">

In the following example, an entity is persisted and then the transaction is committed.

</div>
<div id="flushing-auto-flush-commit-example" class="exampleblock">
<div class="title">Example 261. Automatic flushing on commit</div>
<div class="content">
<div class="listingblock">
<div class="content">
<pre class="prettyprint highlight">`entityManager = entityManagerFactory().createEntityManager();
txn = entityManager.getTransaction();
txn.begin();

Person person = new Person( "John Doe" );
entityManager.persist( person );
log.info( "Entity is in persisted state" );

txn.commit();`</pre>
</div>
</div>
<div class="listingblock">
<div class="content">
<pre class="prettyprint highlight">`--INFO: Entity is in persisted state
INSERT INTO Person (name, id) VALUES ('John Doe', 1)`</pre>
</div>
</div>
</div>
</div>
<div class="paragraph">

Hibernate logs the message prior to inserting the entity because the flush only occurred during transaction commit.

</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">

</td>
<td class="content">
<div class="paragraph">

This is valid for the `SEQUENCE` and `TABLE` identifier generators.
The `IDENTITY` generator must execute the insert right after calling `persist()`.
For details, see the discussion of generators in [_Identifier generators_](#identifiers).

</div>
</td>
</tr>
</table>
</div>
</div>
<div class="sect3">