/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.druid.benckmark.sql;
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.test.TestUtils;
import com.alibaba.druid.util.Utils;
public class MySqlPerfTest extends TestCase {
private String sql;
protected void setUp() throws Exception {
sql = "SELECT * FROM T";
sql = "SELECT ID, NAME, AGE FROM USER WHERE ID = ?";
// sql = Utils.readFromResource("benchmark/sql/ob_sql.txt");
}
public void test_pert() throws Exception {
for (int i = 0; i < 10; ++i) {
perfMySql(sql);
}
}
long perfMySql(String sql) {
long startYGC = TestUtils.getYoungGC();
long startYGCTime = TestUtils.getYoungGCTime();
long startFGC = TestUtils.getFullGC();
long startMillis = System.currentTimeMillis();
for (int i = 0; i < 1000 * 1000; ++i) {
execMySql(sql);
}
long millis = System.currentTimeMillis() - startMillis;
long ygc = TestUtils.getYoungGC() - startYGC;
long ygct = TestUtils.getYoungGCTime() - startYGCTime;
long fgc = TestUtils.getFullGC() - startFGC;
System.out.println("MySql\t" + millis + ", ygc " + ygc + ", ygct " + ygct + ", fgc " + fgc);
return millis;
}
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();
}
}