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initial doc of collection keys 

git-svn-id: https://svn.jboss.org/repos/hibernate/trunk/Hibernate3/doc@7419 1b8cb986-b30d-0410-93ca-fae66ebed9b2
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Max Rydahl Andersen 2005-07-08 07:37:51 +00:00
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commit 4ad16b1986
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reference/en/modules/query_sql.xml
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@ -67,6 +67,7 @@
<listitem>
<para>
the entity returned by the query, and its SQL table alias
</para>
</listitem>
</itemizedlist>
@ -132,8 +133,82 @@ List loggedCats = sess.createSQLQuery(sql)
properties of the class <emphasis>and its subclasses</emphasis>!
</para>
<para>
The following table shows the different possibilities of using the alias injection. Note: the alias names in the result
are examples, each alias will have a unique and probably different name when used.
</para>
<table frame="topbot" id="aliasinjection-summary">
<title>Alias injection names</title>
<tgroup cols="3">
<colspec colwidth="1*"/>
<colspec colwidth="1*"/>
<colspec colwidth="2.5*"/>
<thead>
<row>
<entry>Description</entry>
<entry>Syntax</entry>
<entry>Result</entry>
</row>
</thead>
<tbody>
<row>
<entry>A simple property</entry>
<entry><literal>A_NAME as {item.name}</literal></entry>
<entry>ANAME as name0_0_</entry>
</row>
<row>
<entry>A multi-column property</entry>
<entry><literal>CURRENCY as {item.amount.currency}, VALUE as {item.amount.value}</literal></entry>
<entry>CURRENCY as curr0_0_, VALUE as curr1_0_</entry>
</row>
<row>
<entry>All properties of an entity</entry>
<entry><literal>{item.*}</literal></entry>
<entry>ANAME as name0_0_, CURRENCY as curr0_0_, VALUE as curr1_0_</entry>
</row>
<row>
<entry>A collection key</entry>
<entry><literal>{coll.key}</literal></entry>
<entry></entry>
</row>
<row>
<entry>The id of an collection</entry>
<entry><literal>{coll.id}</literal></entry>
<entry>
</entry>
</row>
<row>
<entry>The element of an collection</entry>
<entry><literal>{coll.element}</literal></entry>
<entry></entry>
</row>
<row>
<entry>Property of the element in the collection</entry>
<entry><literal>{coll.element.name}</literal></entry>
<entry>
</entry>
</row>
<row>
<entry>All properties of the element in the collection</entry>
<entry><literal>{coll.element.*}</literal></entry>
<entry>
</entry>
</row>
<row>
<entry>All properties of the the collection</entry>
<entry><literal>{coll.*}</literal></entry>
<entry>
</entry>
</row>
</tbody>
</tgroup>
</table>
</sect1>
<sect1 id="querysql-namedqueries" revision="2">
<title>Named SQL queries</title>