#304 added new performance test

querydsl-sql/src/test/java/com/mysema/query/QueryPerformanceTest.java

@@ -0,0 +1,111 @@
+package com.mysema.query;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import com.mysema.query.sql.Configuration;
+import com.mysema.query.sql.H2Templates;
+import com.mysema.query.sql.SQLQuery;
+import com.mysema.query.sql.SQLQueryImpl;
+import com.mysema.query.sql.SQLSerializer;
+import com.mysema.query.sql.SQLTemplates;
+import com.mysema.query.sql.domain.QSurvey;
+
+@Ignore
+public class QueryPerformanceTest {
+
+    @Before
+    public void setUp() throws SQLException, ClassNotFoundException {
+        Connections.initH2();
+    }
+
+    @After
+    public void tearDown() throws SQLException {
+        Connections.close();
+    }
+
+    private int iterations = 1000000;
+
+    @Test
+    public void JDBC() throws SQLException {
+        Connection conn = Connections.getConnection();        
+        long start = System.currentTimeMillis();
+        for (int i = 0; i < iterations; i++) {
+            PreparedStatement stmt = conn.prepareStatement("select name from survey where id = ?");
+            try {
+                stmt.setInt(1, 1);
+                stmt.executeQuery().close();    
+            } finally {
+                stmt.close();
+            }            
+        }
+        System.err.println("jdbc " + (System.currentTimeMillis() - start));    
+
+    }
+
+    @Test
+    public void Querydsl() {
+        Connection conn = Connections.getConnection();        
+        Configuration conf = new Configuration(new H2Templates());
+
+        long start = System.currentTimeMillis();
+        for (int i = 0; i < iterations; i++) {            
+            QSurvey survey = QSurvey.survey;
+            SQLQuery query = new SQLQueryImpl(conn, conf);
+            query.from(survey).where(survey.id.eq(1)).list(survey.name);            
+        }
+        System.err.println("qdsl " + (System.currentTimeMillis() - start));    
+    }
+
+    @Test
+    public void Serialization() {
+        QSurvey survey = QSurvey.survey;
+        QueryMetadata md = new DefaultQueryMetadata();
+        md.addJoin(JoinType.DEFAULT, survey);
+        md.addWhere(survey.id.eq(1));
+        md.addProjection(survey.name);
+
+        SQLTemplates templates = new H2Templates();
+
+        long start = System.currentTimeMillis();
+        for (int i = 0; i < iterations; i++) {            
+            SQLSerializer serializer = new SQLSerializer(templates);
+            serializer.serialize(md, false);
+            serializer.getConstants();
+            serializer.getConstantPaths();
+            assertNotNull(serializer.toString());     
+        }
+        System.err.println("ser1 " + (System.currentTimeMillis() - start));    
+    }
+
+    @Test
+    public void Serialization2() {
+        QSurvey survey = QSurvey.survey;
+        QueryMetadata md = new DefaultQueryMetadata();
+        md.addJoin(JoinType.DEFAULT, survey);
+        md.addWhere(survey.id.eq(1));
+        md.addProjection(survey.name);
+
+        SQLTemplates templates = new H2Templates();
+
+        long start = System.currentTimeMillis();
+        for (int i = 0; i < iterations; i++) {            
+            SQLSerializer serializer = new SQLSerializer(templates);
+            serializer.setNormalize(false);
+            serializer.serialize(md, false);
+            serializer.getConstants();
+            serializer.getConstantPaths();
+            assertNotNull(serializer.toString());     
+        }
+        System.err.println("ser2 " + (System.currentTimeMillis() - start));    
+    }
+
+}

querydsl-sql/src/test/resources/log4j.properties

@@ -8,4 +8,4 @@ log4j.appender.stdout.layout.ConversionPattern=%5p [%d{yyyy-MM-dd HH:mm:ss}] (%F
 
 log4j.rootLogger=WARN, stdout
 
-log4j.logger.com.mysema.query.sql=DEBUG
+#log4j.logger.com.mysema.query.sql=DEBUG