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PONHibernate doesnt save object and also no error is showed
 

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  1. PONHibernate doesnt save object and also no error is showed
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    <p>I have problem with saving object to database with NHibernate. Program throws no error but record is still not in database. I am also outputting sql queries and the query is not executed.</p> <p>I use composite key in table "order_product". Table is child of "order".</p> <p>Database table: <strong>order_product</strong></p> <pre><code>order_id (PK) product_id (PK) count price </code></pre> <p>Mapping:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" auto-import="true"&gt; &lt;class name="Service.OrderProduct, Service" lazy="true" table="order_product"&gt; &lt;composite-id&gt; &lt;key-property name="productId" column="product_id" type="string"/&gt; &lt;key-property name="orderId" column="order_id" /&gt; &lt;/composite-id&gt; &lt;property name="count" type="int" column="count" not-null="true" /&gt; &lt;property name="price" type="double" not-null="true" /&gt; &lt;many-to-one name="Order" column="order_id" fetch="join" cascade="all"/&gt; &lt;/class&gt; &lt;/hibernate-mapping&gt; </code></pre> <p>C# Object:</p> <pre><code>public class OrderProduct { virtual public OrderProductPK orderProductPK { get; set; } virtual public int count { get; set; } virtual public string productId { get; set; } virtual public int orderId { get; set; } virtual public double price { get; set; } virtual public Order Order { get; set; } public override bool Equals(Object o) { OrderProduct a = o as OrderProduct; if (a.productId.Equals(this.productId) &amp;&amp; a.orderId==this.orderId) { return true; } return false; } public override int GetHashCode() { int hashCode = 0; hashCode = hashCode ^ productId.GetHashCode() ^ orderId.GetHashCode(); return hashCode; } } public class OrderProductPK { virtual public string productId { get; set; } virtual public int orderId { get; set; } } </code></pre> <p>Save code:</p> <pre><code>OrderProduct op = new OrderProduct(); op.order_id= 133; op.product_id = "product_key_id"; op.price = 20.4; op.count = 10; OpenSession().Save(op); </code></pre>
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    1. This table or related slice is empty.
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    1. USknagode
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. COThis looks like a many to many relation table. If it is, is this table also mapped elsewhere, maybe implicitly in a HasMany?
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      1. USTahbaza
    2. COIt is true that "order_product" is many to many table but as it has some additional attributes (not only order_id & product_id) I use only many-to-one and one-to-many in my mapping.
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    3. COI also tried to remove many-to-one mapping and save object but it still didn't work. It seems like the problem is <composite-id> in my mapping. Is my OrderProduct class OK?
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      1. USknagode
 

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