Criteriabuilder find a children property

I have 2 entity ORM: Orders and Users with many to many relationship.

// M2M -> users
property name=“users”
fieldtype=“many-to-many”
type=“array”
lazy=“extra”
cascade=“none”
cfc=“user”
fkcolumn=“FK_orderID”
linktable=“userOrders”
notnull=“false”
inversejoincolumn=“FK_userID”;

// M2M -> orders
property name=“orders”
fieldtype=“many-to-many”
type=“array”
lazy=“extra”
cascade=“none”
cfc=“Ordine”
fkcolumn=“FK_userID”
linktable=“userOrders”
notnull=“false”
inversejoincolumn=“FK_orderID”;

I’m trying to use criteriabuilder to search a string in fields.

var c = ORMService.newCriteria( “Order” );
var restrictions = [];

c.createAlias( “users”, “u” )

arrayAppend(restrictions, c.restrictions.like( “this.Titolo”, “%adm%” ));
arrayAppend(restrictions, c.restrictions.like( “u.username”, “%adm%” ));
c.disjunction(restrictions);

var f = c
.withProjections( property=“ordineID,Titolo,Descrizione,Data,Data_inizio,Data_completamento,u.username” )
.resultTransformer( c.ALIAS_TO_ENTITY_MAP )
.list();

The problem is with projection of many to many propery “u.username”. If I remove that property from projections, query get executed correctly, but of course does not return the user.username field.

How can I solve this?

Thanks
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