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zyyang 2021-01-21 19:08:17 +08:00
parent a2e62fd3ed
commit e6005b1ebe
1 changed files with 58 additions and 63 deletions
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121
src/connector/jdbc/src/test/java/com/taosdata/jdbc/BatchInsertTest.java
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@ -13,17 +13,17 @@ import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
public class BatchInsertTest extends BaseTest {
public class BatchInsertTest {
static Connection connection = null;
static Statement statement = null;
static String dbName = "test";
static String stbName = "meters";
static String host = "localhost";
static int numOfTables = 30;
final static int numOfRecordsPerTable = 1000;
static long ts = 1496732686000l;
final static String tablePrefix = "t";
private Connection connection;
private static String dbName = "test";
private static String stbName = "meters";
private static String host = "127.0.0.1";
private static int numOfTables = 30;
private static int numOfRecordsPerTable = 1000;
private static long ts = 1496732686000l;
private static String tablePrefix = "t";
@Before
public void createDatabase() throws SQLException {
@ -32,65 +32,58 @@ public class BatchInsertTest extends BaseTest {
} catch (ClassNotFoundException e) {
return;
}
Properties properties = new Properties();
properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
connection = DriverManager.getConnection("jdbc:TAOS://" + host + ":0/", properties);
statement = connection.createStatement();
statement.executeUpdate("drop database if exists " + dbName);
statement.executeUpdate("create database if not exists " + dbName);
statement.executeUpdate("use " + dbName);
String createTableSql = "create table " + stbName + "(ts timestamp, f1 int, f2 int, f3 int) tags(areaid int, loc binary(20))";
statement.executeUpdate(createTableSql);
Statement stmt = connection.createStatement();
stmt.execute("drop database if exists " + dbName);
stmt.execute("create database if not exists " + dbName);
stmt.execute("use " + dbName);
for(int i = 0; i < numOfTables; i++) {
String createTableSql = "create table " + stbName + "(ts timestamp, f1 int, f2 int, f3 int) tags(areaid int, loc binary(20))";
stmt.execute(createTableSql);
for (int i = 0; i < numOfTables; i++) {
String loc = i % 2 == 0 ? "beijing" : "shanghai";
String createSubTalbesSql = "create table " + tablePrefix + i + " using " + stbName + " tags(" + i + ", '" + loc + "')";
statement.executeUpdate(createSubTalbesSql);
String createSubTalbesSql = "create table " + tablePrefix + i + " using " + stbName + " tags(" + i + ", '" + loc + "')";
stmt.execute(createSubTalbesSql);
}
stmt.close();
}
@Test
public void testBatchInsert() throws SQLException{
ExecutorService executorService = Executors.newFixedThreadPool(numOfTables);
for (int i = 0; i < numOfTables; i++) {
final int index = i;
executorService.execute(new Runnable() {
@Override
public void run() {
try {
long startTime = System.currentTimeMillis();
Statement statement = connection.createStatement(); // get statement
StringBuilder sb = new StringBuilder();
sb.append("INSERT INTO " + tablePrefix + index + " VALUES");
Random rand = new Random();
for (int j = 1; j <= numOfRecordsPerTable; j++) {
sb.append("(" + (ts + j) + ", ");
sb.append(rand.nextInt(100) + ", ");
sb.append(rand.nextInt(100) + ", ");
sb.append(rand.nextInt(100) + ")");
}
statement.addBatch(sb.toString());
statement.executeBatch();
long endTime = System.currentTimeMillis();
System.out.println("Thread " + index + " takes " + (endTime - startTime) + " microseconds");
connection.commit();
statement.close();
} catch (Exception e) {
e.printStackTrace();
public void testBatchInsert() throws SQLException {
ExecutorService executorService = Executors.newFixedThreadPool(numOfTables);
for (int i = 0; i < numOfTables; i++) {
final int index = i;
executorService.execute(() -> {
try {
long startTime = System.currentTimeMillis();
Statement statement = connection.createStatement(); // get statement
StringBuilder sb = new StringBuilder();
sb.append("INSERT INTO " + tablePrefix + index + " VALUES");
Random rand = new Random();
for (int j = 1; j <= numOfRecordsPerTable; j++) {
sb.append("(" + (ts + j) + ", ");
sb.append(rand.nextInt(100) + ", ");
sb.append(rand.nextInt(100) + ", ");
sb.append(rand.nextInt(100) + ")");
}
statement.addBatch(sb.toString());
statement.executeBatch();
long endTime = System.currentTimeMillis();
System.out.println("Thread " + index + " takes " + (endTime - startTime) + " microseconds");
connection.commit();
statement.close();
} catch (Exception e) {
e.printStackTrace();
}
});
}
executorService.shutdown();
try {
@ -100,21 +93,23 @@ public class BatchInsertTest extends BaseTest {
}
Statement statement = connection.createStatement();
ResultSet rs = statement.executeQuery("select * from meters");
ResultSet rs = statement.executeQuery("select * from meters");
int num = 0;
while (rs.next()) {
num++;
}
assertEquals(num, numOfTables * numOfRecordsPerTable);
}
assertEquals(num, numOfTables * numOfRecordsPerTable);
rs.close();
}
@After
public void close() throws Exception {
statement.close();
connection.close();
Thread.sleep(10);
public void close() {
try {
if (connection != null)
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}