check out your hibernat.cfg.xml and the property with a name called
query.substitutions

On Tue, Aug 31, 2010 at 10:45 AM, jcomet <[email protected]> wrote:
> When add a  restriction on a particular string property with a value
> of "true" or "false", NH (2.1.2.4000) changes it to a bit value.  See
> example class, hbm, query and resulting SQL.  Note in the last snip,
> the line "WHERE this_.SettingValue = 1" should read "WHERE
> this_.SettingValue = 'true'.   If I change the restriction from "true"
> to "poop", the NH correctly surrounds poop with quotes.  My conclusion
> is that NH tries to convert the string value to boolean, and if it
> can, it does so using the value substitution from the session factory
> configuration.  This is curious, since NH knows that column is a
> string from the mapping, so why would it need to guess?   Is there a
> way to inform NH not to do this?
>
> namespace MYAPP.Core.Domain
> {
>    public class EmployeeSetting
>    {
>        public virtual int ID { get; set; }
>        public virtual string SettingValue { get; set; }
>        public virtual Employee Employee { get; set; }
>        public virtual SettingType SettingType { get; set; }
>    }
> }
>
>
> <?xml version="1.0" encoding="utf-8" ?>
> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> assembly="MYAPP.Core" namespace="MYAPP.Core.Domain">
>  <class name="MYAPP.Core.Domain.EmployeeSetting,MYAPP.Core"
> table="EmployeeSetting">
>    <id name="ID" column="ID" type="Int32" unsaved-value="0">
>      <generator class="native" />
>    </id>
>    <property name="SettingType" column="SettingType"
> type="MYAPP.Core.Domain.SettingType, MYAPP.Core" not-null="false" />
>    <property name="SettingValue" column="SettingValue" type="string"
> not-null="false"  />
>    <many-to-one name="Employee" column="EmployeeID"
> class="MYAPP.Core.Domain.Employee,MYAPP.Core.Domain"/>
>  </class>
> </hibernate-mapping>
>
>
> IList<EmployeeSetting> es = _EmployeeSettingDAO.GetSession()
>        .CreateCriteria<EmployeeSetting>()
>                .Add(Restrictions.Eq("SettingValue", "true"))
>                .Add(Restrictions.Eq("SettingType", SettingType.ReceiveAlerts))
>                .List<EmployeeSetting>();
>
>
> SELECT this_.ID           as ID8_0_,
>       this_.SettingType  as SettingID8_0_,
>       this_.SettingValue as SettingV3_8_0_,
>       this_.EmployeeID   as EmployeeID8_0_
> FROM   EmployeeSetting this_
> WHERE  this_.SettingValue = 1 /* @p0 */
>       and this_.SettingType = 1 /* @p1 */
>
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-- 
thanks

cliff

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