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Update connector-java-ch.md

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zyyang 2021-01-26 17:06:13 +08:00 committed by GitHub
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@ -334,16 +334,16 @@ conn.close();
```java
public static void main(String[] args) throws SQLException {
HikariConfig config = new HikariConfig();
// jdbc properties
config.setJdbcUrl("jdbc:TAOS://127.0.0.1:6030/log");
config.setUsername("root");
config.setPassword("taosdata");
// connection pool configurations
config.setMinimumIdle(3); //minimum number of idle connection
config.setMaximumPoolSize(10); //maximum number of connection in the pool
config.setConnectionTimeout(10000); //maximum wait milliseconds for get connection from pool
config.setIdleTimeout(60000); // max idle time for recycle idle connection
config.setConnectionTestQuery("describe log.dn"); //validation query
config.setValidationTimeout(3000); //validation query timeout
config.setConnectionTimeout(30000); //maximum wait milliseconds for get connection from pool
config.setIdleTimeout(0); // max idle time for recycle idle connection
config.setConnectionTestQuery("select server_status()"); //validation query
HikariDataSource ds = new HikariDataSource(config); //create datasource
@ -376,25 +376,17 @@ conn.close();
```java
public static void main(String[] args) throws Exception {
Properties properties = new Properties();
// jdbc properties
properties.put("driverClassName","com.taosdata.jdbc.TSDBDriver");
properties.put("url","jdbc:TAOS://127.0.0.1:6030/log");
properties.put("username","root");
properties.put("password","taosdata");
// pool configurations
properties.put("maxActive","10"); //maximum number of connection in the pool
properties.put("initialSize","3"); //initial number of connection
properties.put("maxWait","10000");//maximum wait milliseconds for get connection from pool
properties.put("minIdle","3"); //minimum number of connection in the pool
properties.put("timeBetweenEvictionRunsMillis","3000");// the interval milliseconds to test connection
properties.put("minEvictableIdleTimeMillis","60000");//the minimum milliseconds to keep idle
properties.put("maxEvictableIdleTimeMillis","90000");//the maximum milliseconds to keep idle
properties.put("validationQuery","describe log.dn"); //validation query
properties.put("testWhileIdle","true"); // test connection while idle
properties.put("testOnBorrow","false"); // don't need while testWhileIdle is true
properties.put("testOnReturn","false"); // don't need while testWhileIdle is true
properties.put("maxWait","30000"); //maximum wait milliseconds for get connection from pool
properties.put("validationQuery","select server_status()"); //validation query
//create druid datasource
DataSource ds = DruidDataSourceFactory.createDataSource(properties);