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+<h1>QueryDSL</h1>
+
+<h2>Richiamare una funzione SQL</h2>
+<p>Per poter richiamare una funzione SQL si pu&ograve; usare
+ <i>TemplateExpressions</i>. Di seguito viene riportato un esempio:</p>
+<pre>query.select(Expressions.stringTemplate("string_agg({0}, {1}", arg0, arg1);</pre>