From 9525ec823dbc030ee9a8a40b8824975dc9e39dbc Mon Sep 17 00:00:00 2001 From: sheyanjie-qq <249478495@qq.com> Date: Mon, 25 Nov 2024 19:07:11 +0800 Subject: [PATCH] update jdbc demo, and version history --- docs/en/07-develop/01-connect.md | 2 +- docs/en/14-reference/05-connector/14-java.mdx | 2 + docs/examples/JDBC/mybatisplus-demo/pom.xml | 2 +- .../mybatisplusdemo/domain/Meters.java | 16 +++ .../mybatisplusdemo/mapper/MetersMapper.java | 31 +++++ .../src/main/resources/application.yml | 4 +- .../mapper/MetersMapperTest.java | 112 ++++++++++++++++++ docs/examples/JDBC/springbootdemo/pom.xml | 2 +- docs/zh/07-develop/01-connect/index.md | 2 +- docs/zh/14-reference/05-connector/14-java.mdx | 1 + 10 files changed, 168 insertions(+), 6 deletions(-) create mode 100644 docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/domain/Meters.java create mode 100644 docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapper.java create mode 100644 docs/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapperTest.java diff --git a/docs/en/07-develop/01-connect.md b/docs/en/07-develop/01-connect.md index a1fd6136fe..4086f15193 100644 --- a/docs/en/07-develop/01-connect.md +++ b/docs/en/07-develop/01-connect.md @@ -94,7 +94,7 @@ If you are using Maven to manage the project, simply add the following dependenc com.taosdata.jdbc taos-jdbcdriver - 3.3.3 + 3.4.0 ``` diff --git a/docs/en/14-reference/05-connector/14-java.mdx b/docs/en/14-reference/05-connector/14-java.mdx index 7302348f2e..29f919b5cf 100644 --- a/docs/en/14-reference/05-connector/14-java.mdx +++ b/docs/en/14-reference/05-connector/14-java.mdx @@ -35,6 +35,8 @@ REST connections are supported on all platforms that can run Java. | taos-jdbcdriver Version | Major Changes | TDengine Version | | :----------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------: | +| 3.4.0 | 1. Replace the fastjson library with the Jackson library; 2. WebSocket connection protocal uses independent identification; 3. Optimize the use of backend pull threads to avoid user misuse leading to timeouts.| - | +| 3.3.4 | 1. Fixed getInt error when data type is float| - | | 3.3.3 | 1. Fixed memory leak caused by closing WebSocket statement | - | | 3.3.2 | 1. Optimized parameter binding performance under WebSocket connections; 2. Improved support for MyBatis | - | | 3.3.0 | 1. Optimized data transmission performance under WebSocket connections; 2. Supported skipping SSL verification, turned off by default | 3.3.2.0 and above | diff --git a/docs/examples/JDBC/mybatisplus-demo/pom.xml b/docs/examples/JDBC/mybatisplus-demo/pom.xml index f792946c96..2077e31d8d 100644 --- a/docs/examples/JDBC/mybatisplus-demo/pom.xml +++ b/docs/examples/JDBC/mybatisplus-demo/pom.xml @@ -47,7 +47,7 @@ com.taosdata.jdbc taos-jdbcdriver - 3.2.4 + 3.4.0 diff --git a/docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/domain/Meters.java b/docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/domain/Meters.java new file mode 100644 index 0000000000..e886e56269 --- /dev/null +++ b/docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/domain/Meters.java @@ -0,0 +1,16 @@ +package com.taosdata.example.mybatisplusdemo.domain; + +import lombok.Data; + +import java.sql.Timestamp; + +@Data +public class Meters { + private String tbname; + private Timestamp ts; + private float current; + private int voltage; + private float phase; + private int groupid; + private byte[] location; +} diff --git a/docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapper.java b/docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapper.java new file mode 100644 index 0000000000..441c340886 --- /dev/null +++ b/docs/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapper.java @@ -0,0 +1,31 @@ +package com.taosdata.example.mybatisplusdemo.mapper; + +import com.baomidou.mybatisplus.core.mapper.BaseMapper; +import com.taosdata.example.mybatisplusdemo.domain.Meters; +import org.apache.ibatis.annotations.Insert; +import org.apache.ibatis.annotations.Param; +import org.apache.ibatis.annotations.Update; + +import java.util.List; + +public interface MetersMapper extends BaseMapper { + + @Update("CREATE STABLE IF NOT EXISTS meters (ts TIMESTAMP, current FLOAT, voltage INT, phase FLOAT) TAGS (groupId INT, location BINARY(24))") + int createTable(); + + @Insert("insert into meters (tbname, ts, groupid, location, current, voltage, phase) values(#{tbname}, #{ts}, #{groupid}, #{location}, #{current}, #{voltage}, #{phase})") + int insertOne(Meters one); + + @Insert({ + "" + }) + int insertBatch(@Param("list") List metersList); + + @Update("drop stable if exists meters") + void dropTable(); +} diff --git a/docs/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml b/docs/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml index 985ed1675e..e9855bf011 100644 --- a/docs/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml +++ b/docs/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml @@ -1,7 +1,7 @@ spring: datasource: - driver-class-name: com.taosdata.jdbc.TSDBDriver - url: jdbc:TAOS://localhost:6030/mp_test?charset=UTF-8&locale=en_US.UTF-8&timezone=UTC-8 + driver-class-name: com.taosdata.jdbc.ws.WebSocketDriver + url: jdbc:TAOS-WS://localhost:6041/mp_test?charset=UTF-8&locale=en_US.UTF-8&timezone=UTC-8 username: root password: taosdata diff --git a/docs/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapperTest.java b/docs/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapperTest.java new file mode 100644 index 0000000000..2d8458e9d9 --- /dev/null +++ b/docs/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/MetersMapperTest.java @@ -0,0 +1,112 @@ +package com.taosdata.example.mybatisplusdemo.mapper; + +import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; +import com.baomidou.mybatisplus.core.metadata.IPage; +import com.baomidou.mybatisplus.extension.plugins.pagination.Page; +import com.taosdata.example.mybatisplusdemo.domain.Meters; +import com.taosdata.example.mybatisplusdemo.domain.Weather; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; + +import java.sql.Timestamp; +import java.util.LinkedList; +import java.util.List; +import java.util.Random; + +@RunWith(SpringJUnit4ClassRunner.class) +@SpringBootTest +public class MetersMapperTest { + + private static Random random = new Random(System.currentTimeMillis()); + + @Autowired + private MetersMapper mapper; + + @Before + public void createTable(){ + mapper.dropTable(); + mapper.createTable(); + Meters one = new Meters(); + one.setTbname("test_10001"); + one.setGroupid(10001); + one.setCurrent(random.nextFloat()); + one.setPhase(random.nextFloat()); + one.setCurrent(12345); + one.setTs(new Timestamp(1605024000000l)); + one.setLocation("望京".getBytes()); + mapper.insertOne(one); + } + + @Test + public void testSelectList() { + List meters = mapper.selectList(null); + meters.forEach(System.out::println); + } + + @Test + public void testInsertBatch() { + List metersList = new LinkedList<>(); + for (int i = 0; i < 100; i++){ + Meters one = new Meters(); + one.setTbname("tb_" + i); + one.setGroupid(i); + one.setCurrent(random.nextFloat()); + one.setPhase(random.nextFloat()); + one.setCurrent(random.nextInt()); + one.setTs(new Timestamp(1605024000000l + i)); + one.setLocation(("望京" + i).getBytes()); + metersList.add(one); + + } + int affectRows = mapper.insertBatch(metersList); + Assert.assertEquals(100, affectRows); + } + + @Test + public void testSelectOne() { + QueryWrapper wrapper = new QueryWrapper<>(); + wrapper.eq("location", "望京".getBytes()); + Meters one = mapper.selectOne(wrapper); + System.out.println(one); + Assert.assertEquals(12345, one.getCurrent(), 0.00f); + Assert.assertArrayEquals("望京".getBytes(), one.getLocation()); + } + + // @Test + // public void testSelectByMap() { + // Map map = new HashMap<>(); + // map.put("location", "beijing"); + // List weathers = mapper.selectByMap(map); + // Assert.assertEquals(1, weathers.size()); + // } + + @Test + public void testSelectObjs() { + List ts = mapper.selectObjs(null); + System.out.println(ts); + } + + @Test + public void testSelectCount() { + int count = mapper.selectCount(null); +// Assert.assertEquals(5, count); + System.out.println(count); + } + + @Test + public void testSelectPage() { + IPage page = new Page(1, 2); + IPage metersIPage = mapper.selectPage(page, null); + System.out.println("total : " + metersIPage.getTotal()); + System.out.println("pages : " + metersIPage.getPages()); + for (Meters meters : metersIPage.getRecords()) { + System.out.println(meters); + } + } + +} \ No newline at end of file diff --git a/docs/examples/JDBC/springbootdemo/pom.xml b/docs/examples/JDBC/springbootdemo/pom.xml index ee15f6013e..b3ead6cd11 100644 --- a/docs/examples/JDBC/springbootdemo/pom.xml +++ b/docs/examples/JDBC/springbootdemo/pom.xml @@ -68,7 +68,7 @@ com.taosdata.jdbc taos-jdbcdriver - 3.0.0 + 3.4.0 diff --git a/docs/zh/07-develop/01-connect/index.md b/docs/zh/07-develop/01-connect/index.md index bd26bea46d..94f55967ec 100644 --- a/docs/zh/07-develop/01-connect/index.md +++ b/docs/zh/07-develop/01-connect/index.md @@ -89,7 +89,7 @@ TDengine 提供了丰富的应用程序开发接口，为了便于用户快速 com.taosdata.jdbc taos-jdbcdriver - 3.3.3 + 3.4.0 ``` diff --git a/docs/zh/14-reference/05-connector/14-java.mdx b/docs/zh/14-reference/05-connector/14-java.mdx index 0a167dd5ee..e8554ae668 100644 --- a/docs/zh/14-reference/05-connector/14-java.mdx +++ b/docs/zh/14-reference/05-connector/14-java.mdx @@ -34,6 +34,7 @@ REST 连接支持所有能运行 Java 的平台。 | taos-jdbcdriver 版本 | 主要变化 | TDengine 版本 | | :------------------: | :----------------------------------------------------------------------------------------------------------------------------------------------------: | :----------------: | | 3.4.0 | 1. 使用 jackson 库替换 fastjson 库；2. WebSocket 采用独立协议标识；3. 优化后台拉取线程使用，避免用户误用导致超时。 | - | +| 3.3.4 | 1. 解决了 getInt 在数据类型为 float 报错 | - | | 3.3.3 | 1. 解决了 WebSocket statement 关闭导致的内存泄漏 | - | | 3.3.2 | 1. 优化 WebSocket 连接下的参数绑定性能；2. 优化了对 mybatis 的支持 | - | | 3.3.0 | 1. 优化 WebSocket 连接下的数据传输性能；2. 支持跳过 SSL 验证，默认关闭 | 3.3.2.0 及更高版本 |