In M2 dev docs there is this regarding auto increment:

identity Indicates whether a column is auto incremented.

Here's excerpt from my db_schema.xml:

<column xsi:type="int" name="entity_id" padding="11" unsigned="false" nullable="false" identity="true" comment="Entity ID"/>

No AUTO_INCREMENT in db is found. What am I doing wrong/missing?

Magento 2.3.4, MySQL 5.7