Hibernate

HQL Order By Example

<div dir&equals;"ltr" style&equals;"text-align&colon; justify&semi;" trbidi&equals;"on">&NewLine;<div dir&equals;"ltr" style&equals;"text-align&colon; justify&semi;" trbidi&equals;"on">&NewLine;<div dir&equals;"ltr" style&equals;"text-align&colon; justify&semi;" trbidi&equals;"on"><b>Order by<&sol;b> clause is used to retrieve the data from database in the <b>sorted order by<&sol;b> any property of returned class or components&period; HQL supports <b>Order By <&sol;b>Clause&period; In our example we will retrieve the <b>data sorted<&sol;b> on the <b>userName<&sol;b> type&period; Here is the java example code&colon;<&sol;p>&NewLine;<p>&&num;8220&semi;FROM UserDetails user ORDER BY user&period;userName DESC&&num;8221&semi;&nbsp&semi;<&sol;p>&NewLine;<&sol;div>&NewLine;<p><b>UserDetails&period;java<&sol;b><&sol;p>&NewLine;<pre class&equals;"highlight" name&equals;"code">package com&period;sdnext&period;hibernate&period;tutorial&period;dto&semi; &NewLine; &NewLine;import javax&period;persistence&period;Column&semi; &NewLine;import javax&period;persistence&period;Entity&semi; &NewLine;import javax&period;persistence&period;GeneratedValue&semi; &NewLine;import javax&period;persistence&period;GenerationType&semi; &NewLine;import javax&period;persistence&period;Id&semi; &NewLine;import javax&period;persistence&period;Table&semi; &NewLine; &NewLine;&commat;Entity &NewLine;&commat;Table&lpar;name&equals;"USERS"&rpar; &NewLine;public class UserDetails &NewLine;&lbrace; &NewLine; &commat;Id &NewLine; &commat;Column&lpar;name&equals;"USER&lowbar;ID"&rpar; &NewLine; &commat;GeneratedValue&lpar;strategy&equals;GenerationType&period;AUTO&rpar; &NewLine; private int userId&semi; &NewLine; &NewLine; &commat;Column&lpar;name&equals;"USER&lowbar;NAME"&rpar; &NewLine; private String userName&semi; &NewLine; &NewLine; public int getUserId&lpar;&rpar; &lbrace; &NewLine; return userId&semi; &NewLine; &rcub; &NewLine; public void setUserId&lpar;int userId&rpar; &lbrace; &NewLine; this&period;userId &equals; userId&semi; &NewLine; &rcub; &NewLine; public String getUserName&lpar;&rpar; &lbrace; &NewLine; return userName&semi; &NewLine; &rcub; &NewLine; public void setUserName&lpar;String userName&rpar; &lbrace; &NewLine; this&period;userName &equals; userName&semi; &NewLine; &rcub; &NewLine;&rcub; &NewLine;<&sol;pre>&NewLine;<div align&equals;'center' id&equals;"ads-id"><&sol;div>&NewLine;<p><b>hibernate&period;cfg&period;xml<&sol;b><&sol;p>&NewLine;<pre class&equals;"highlight" name&equals;"code">&lt&semi;&excl;&excl;DOCTYPE hibernate-configuration PUBLIC &NewLine; "-&sol;&sol;Hibernate&sol;Hibernate Configuration DTD 3&period;0&sol;&sol;EN" &NewLine; "http&colon;&sol;&sol;hibernate&period;sourceforge&period;net&sol;hibernate-configuration-3&period;0&period;dtd"&gt&semi; &NewLine; &NewLine;&lt&semi;hibernate-configuration&gt&semi; &NewLine; &lt&semi;session-factory&gt&semi; &NewLine; &lt&semi;&excl;-- Database connection settings --&gt&semi; &NewLine; &lt&semi;property name&equals;"connection&period;driver&lowbar;class"&gt&semi;com&period;mysql&period;jdbc&period;Driver&lt&semi;&sol;property&gt&semi; &NewLine; &lt&semi;property name&equals;"connection&period;url"&gt&semi;jdbc&colon;mysql&colon;&sol;&sol;localhost&colon;3306&sol;hibernateDB&lt&semi;&sol;property&gt&semi; &NewLine; &lt&semi;property name&equals;"connection&period;username"&gt&semi;root&lt&semi;&sol;property&gt&semi; &NewLine; &lt&semi;property name&equals;"connection&period;password"&gt&semi;root&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;&excl;-- JDBC connection pool &lpar;use the built-in&rpar; --&gt&semi; &NewLine; &lt&semi;property name&equals;"connection&period;pool&lowbar;size"&gt&semi;1&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;&excl;-- SQL dialect --&gt&semi; &NewLine; &lt&semi;property name&equals;"dialect"&gt&semi;org&period;hibernate&period;dialect&period;MySQLDialect&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;&excl;-- Enable Hibernate's automatic session context management --&gt&semi; &NewLine; &lt&semi;property name&equals;"current&lowbar;session&lowbar;context&lowbar;class"&gt&semi;thread&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;&excl;-- Disable the second-level cache --&gt&semi; &NewLine; &lt&semi;property name&equals;"cache&period;provider&lowbar;class"&gt&semi;org&period;hibernate&period;cache&period;NoCacheProvider&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;&excl;-- Echo all executed SQL to stdout --&gt&semi; &NewLine; &lt&semi;property name&equals;"show&lowbar;sql"&gt&semi;true&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;&excl;-- Drop and re-create the database schema on startup --&gt&semi; &NewLine; &lt&semi;property name&equals;"hbm2ddl&period;auto"&gt&semi;update&lt&semi;&sol;property&gt&semi; &NewLine; &NewLine; &lt&semi;mapping class&equals;"com&period;sdnext&period;hibernate&period;tutorial&period;dto&period;UserDetails"&gt&semi; &NewLine; &NewLine; &lt&semi;&sol;mapping&gt&semi;&lt&semi;&sol;session-factory&gt&semi; &NewLine; &lt&semi;&sol;hibernate-configuration&gt&semi; &NewLine;<&sol;pre>&NewLine;<p><b>HibernateTestDemo&period;java<&sol;b><&sol;p>&NewLine;<pre class&equals;"highlight" name&equals;"code">package com&period;sdnext&period;hibernate&period;tutorial&semi; &NewLine; &NewLine;import java&period;util&period;Iterator&semi; &NewLine; &NewLine;import org&period;hibernate&period;Query&semi; &NewLine;import org&period;hibernate&period;Session&semi; &NewLine;import org&period;hibernate&period;SessionFactory&semi; &NewLine;import org&period;hibernate&period;cfg&period;AnnotationConfiguration&semi; &NewLine; &NewLine;import com&period;sdnext&period;hibernate&period;tutorial&period;dto&period;UserDetails&semi; &NewLine; &NewLine;public class HibernateTestDemo &lbrace; &NewLine; &NewLine; &sol;&ast;&ast; &NewLine; &ast; &commat;param args &NewLine; &ast;&sol; &NewLine; public static void main&lpar;String&lbrack;&rsqb; args&rpar; &NewLine; &lbrace; &NewLine; SessionFactory sessionFactory &equals; new AnnotationConfiguration&lpar;&rpar;&period;configure&lpar;&rpar;&period;buildSessionFactory&lpar;&rpar;&semi; &NewLine; Session session &equals; sessionFactory&period;openSession&lpar;&rpar;&semi; &NewLine; session&period;beginTransaction&lpar;&rpar;&semi; &NewLine; &NewLine; String SQL&lowbar;QUERY &equals; "FROM UserDetails user ORDER BY user&period;userName DESC"&semi; &NewLine; Query query &equals; session&period;createQuery&lpar;SQL&lowbar;QUERY&rpar;&semi; &NewLine; &NewLine; for&lpar;Iterator it&equals;query&period;iterate&lpar;&rpar;&semi;it&period;hasNext&lpar;&rpar;&semi;&rpar; &NewLine; &lbrace; &NewLine; UserDetails user &equals; &lpar;UserDetails&rpar;it&period;next&lpar;&rpar;&semi; &NewLine; System&period;out&period;println&lpar;"User Name&colon; " &plus; user&period;getUserName&lpar;&rpar;&rpar;&semi; &NewLine; System&period;out&period;println&lpar;"User Id&colon; " &plus; user&period;getUserId&lpar;&rpar;&rpar;&semi; &NewLine; &rcub; &NewLine; session&period;getTransaction&lpar;&rpar;&period;commit&lpar;&rpar;&semi; &NewLine; session&period;close&lpar;&rpar;&semi; &NewLine; &rcub; &NewLine;&rcub; &NewLine;<&sol;pre>&NewLine;<div style&equals;"background-color&colon; &num;ff99cc&semi; border-width&colon; thin&semi; border&colon; solid&semi;">&NewLine;<div style&equals;"color&colon; blue&semi;"><b>Output&colon;<&sol;b><&sol;div>&NewLine;<div style&equals;"color&colon; red&semi;">log4j&colon;WARN No appenders could be found for logger &lpar;org&period;hibernate&period;cfg&period;annotations&period;Version&rpar;&period;<&sol;div>&NewLine;<div style&equals;"color&colon; red&semi;">log4j&colon;WARN Please initialize the log4j system properly&period;<&sol;div>&NewLine;<p>Hibernate&colon; select userdetail0&lowbar;&period;USER&lowbar;ID as col&lowbar;0&lowbar;0&lowbar; from USERS userdetail0&lowbar; order by userdetail0&lowbar;&period;USER&lowbar;NAME DESC<br &sol;>&NewLine;Hibernate&colon; select userdetail0&lowbar;&period;USER&lowbar;ID as USER1&lowbar;0&lowbar;0&lowbar;&comma; userdetail0&lowbar;&period;USER&lowbar;NAME as USER2&lowbar;0&lowbar;0&lowbar; from USERS userdetail0&lowbar; where userdetail0&lowbar;&period;USER&lowbar;ID&equals;&quest;<br &sol;>&NewLine;User Name&colon; Sweety Rajput<br &sol;>&NewLine;User Id&colon; 2<br &sol;>&NewLine;Hibernate&colon; select userdetail0&lowbar;&period;USER&lowbar;ID as USER1&lowbar;0&lowbar;0&lowbar;&comma; userdetail0&lowbar;&period;USER&lowbar;NAME as USER2&lowbar;0&lowbar;0&lowbar; from USERS userdetail0&lowbar; where userdetail0&lowbar;&period;USER&lowbar;ID&equals;&quest;<br &sol;>&NewLine;User Name&colon; Dinesh Rajput<br &sol;>&NewLine;User Id&colon; 1<br &sol;>&NewLine;Hibernate&colon; select userdetail0&lowbar;&period;USER&lowbar;ID as USER1&lowbar;0&lowbar;0&lowbar;&comma; userdetail0&lowbar;&period;USER&lowbar;NAME as USER2&lowbar;0&lowbar;0&lowbar; from USERS userdetail0&lowbar; where userdetail0&lowbar;&period;USER&lowbar;ID&equals;&quest;<br &sol;>&NewLine;User Name&colon; Dev Rajput<br &sol;>&NewLine;User Id&colon; 3<br &sol;>&NewLine;Hibernate&colon; select userdetail0&lowbar;&period;USER&lowbar;ID as USER1&lowbar;0&lowbar;0&lowbar;&comma; userdetail0&lowbar;&period;USER&lowbar;NAME as USER2&lowbar;0&lowbar;0&lowbar; from USERS userdetail0&lowbar; where userdetail0&lowbar;&period;USER&lowbar;ID&equals;&quest;<br &sol;>&NewLine;User Name&colon; Anamika Rajput<br &sol;>&NewLine;User Id&colon; 4<&sol;div>&NewLine;<div class&equals;"separator" style&equals;"clear&colon; both&semi; text-align&colon; center&semi;"><img border&equals;"0" height&equals;"204" src&equals;"https&colon;&sol;&sol;dineshonjava&period;com&sol;wp-content&sol;uploads&sol;2012&sol;05&sol;orderby&period;jpg" width&equals;"640" &sol;><&sol;div>&NewLine;<p>&NewLine;<&sol;div>&NewLine;<p>&NewLine;<&sol;div>&NewLine;<div class&equals;"wp-post-navigation"> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab; <div class&equals;"wp-post-navigation-pre"> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab; <a href&equals;"https&colon;&sol;&sol;dineshonjava&period;com&sol;hql-where-clause-example&sol;">Previous<&sol;a> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab; <&sol;div> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab; <div class&equals;"wp-post-navigation-next"> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab; <a href&equals;"https&colon;&sol;&sol;dineshonjava&period;com&sol;hql-group-by-clause-example&sol;">Next<&sol;a> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab; <&sol;div> &NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;<&sol;div>&NewLine;<script type&equals;"text&sol;javascript">&NewLine;jQuery&lpar;document&rpar;&period;ready&lpar;function&lpar;&dollar;&rpar; &lbrace;&NewLine; &dollar;&period;post&lpar;'https&colon;&sol;&sol;dineshonjava&period;com&sol;wp-admin&sol;admin-ajax&period;php'&comma; &lbrace;action&colon; 'mts&lowbar;view&lowbar;count'&comma; id&colon; '689'&rcub;&rpar;&semi;&NewLine;&rcub;&rpar;&semi;&NewLine;<&sol;script>

Dinesh Rajput

Dinesh Rajput is the chief editor of a website Dineshonjava, a technical blog dedicated to the Spring and Java technologies. It has a series of articles related to Java technologies. Dinesh has been a Spring enthusiast since 2008 and is a Pivotal Certified Spring Professional, an author of a book Spring 5 Design Pattern, and a blogger. He has more than 10 years of experience with different aspects of Spring and Java design and development. His core expertise lies in the latest version of Spring Framework, Spring Boot, Spring Security, creating REST APIs, Microservice Architecture, Reactive Pattern, Spring AOP, Design Patterns, Struts, Hibernate, Web Services, Spring Batch, Cassandra, MongoDB, and Web Application Design and Architecture. He is currently working as a technology manager at a leading product and web development company. He worked as a developer and tech lead at the Bennett, Coleman & Co. Ltd and was the first developer in his previous company, Paytm. Dinesh is passionate about the latest Java technologies and loves to write technical blogs related to it. He is a very active member of the Java and Spring community on different forums. When it comes to the Spring Framework and Java, Dinesh tops the list!

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