git-svn-id: http://code.alibabatech.com/svn/druid/trunk@188 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/test/java/com/alibaba/druid/sql/parser/PerfTest.java

@@ -8,6 +8,8 @@ import java.util.List;
 import junit.framework.TestCase;
 
 import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
 import com.alibaba.druid.sql.dialect.oracle.ast.visitor.OracleOutputVisitor;
 import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
 import com.alibaba.druid.util.JdbcUtils;
@@ -17,8 +19,9 @@ public class PerfTest extends TestCase {
     public void test_perf() throws Exception {
         for (int i = 0; i < 10; ++i) {
             // perf("SELECT * FROM my_table WHERE TRUNC(SYSDATE) = DATE '2002-10-03';");
-            //perf("SELECT * FROM T");
-            perf(loadSql("bvt/parser/oracle-23.txt"));
+            perfOracle("SELECT * FROM T");
+            perfMySql("SELECT * FROM T");
+            //perf(loadSql("bvt/parser/oracle-23.txt"));
         }
     }
 
@@ -33,16 +36,25 @@ public class PerfTest extends TestCase {
         return sql;
     }
 
-    void perf(String sql) {
+    void perfOracle(String sql) {
         long startMillis = System.currentTimeMillis();
         for (int i = 0; i < 1000 * 1000; ++i) {
-            exec(sql);
+            execOracle(sql);
         }
         long millis = System.currentTimeMillis() - startMillis;
-        System.out.println(millis);
+        System.out.println("Oracle\t" + millis);
+    }
+    
+    void perfMySql(String sql) {
+        long startMillis = System.currentTimeMillis();
+        for (int i = 0; i < 1000 * 1000; ++i) {
+            execMySql(sql);
+        }
+        long millis = System.currentTimeMillis() - startMillis;
+        System.out.println("MySql\t" + millis);
     }
 
-    private String exec(String sql) {
+    private String execOracle(String sql) {
         StringBuilder out = new StringBuilder();
         OracleOutputVisitor visitor = new OracleOutputVisitor(out);
 
@@ -56,4 +68,17 @@ public class PerfTest extends TestCase {
         return out.toString();
     }
 
+    private String execMySql(String sql) {
+        StringBuilder out = new StringBuilder();
+        MySqlOutputVisitor visitor = new MySqlOutputVisitor(out);
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        for (SQLStatement statement : statementList) {
+            statement.accept(visitor);
+            visitor.println();
+        }
+
+        return out.toString();
+    }
 }