Merge branch '3.0' into cpwu/3.0
This commit is contained in:
commit
9a1fa11a39
|
@ -1,59 +1,6 @@
|
|||
import taos
|
||||
from taos.tmq import *
|
||||
|
||||
conn = taos.connect()
|
||||
|
||||
# create database
|
||||
conn.execute("drop database if exists py_tmq")
|
||||
conn.execute("create database if not exists py_tmq vgroups 2")
|
||||
|
||||
# create table and stables
|
||||
conn.select_db("py_tmq")
|
||||
conn.execute("create stable if not exists stb1 (ts timestamp, c1 int, c2 float, c3 binary(10)) tags(t1 int)")
|
||||
conn.execute("create table if not exists tb1 using stb1 tags(1)")
|
||||
conn.execute("create table if not exists tb2 using stb1 tags(2)")
|
||||
conn.execute("create table if not exists tb3 using stb1 tags(3)")
|
||||
|
||||
# create topic
|
||||
conn.execute("drop topic if exists topic_ctb_column")
|
||||
conn.execute("create topic if not exists topic_ctb_column as select ts, c1, c2, c3 from stb1")
|
||||
|
||||
# set consumer configure options
|
||||
conf = TaosTmqConf()
|
||||
conf.set("group.id", "tg2")
|
||||
conf.set("td.connect.user", "root")
|
||||
conf.set("td.connect.pass", "taosdata")
|
||||
conf.set("enable.auto.commit", "true")
|
||||
conf.set("msg.with.table.name", "true")
|
||||
|
||||
def tmq_commit_cb_print(tmq, resp, offset, param=None):
|
||||
print(f"commit: {resp}, tmq: {tmq}, offset: {offset}, param: {param}")
|
||||
|
||||
conf.set_auto_commit_cb(tmq_commit_cb_print, None)
|
||||
|
||||
# build consumer
|
||||
tmq = conf.new_consumer()
|
||||
|
||||
# build topic list
|
||||
topic_list = TaosTmqList()
|
||||
topic_list.append("topic_ctb_column")
|
||||
|
||||
# subscribe consumer
|
||||
tmq.subscribe(topic_list)
|
||||
|
||||
# check subscriptions
|
||||
sub_list = tmq.subscription()
|
||||
print("subscribed topics: ",sub_list)
|
||||
|
||||
# start subscribe
|
||||
while 1:
|
||||
res = tmq.poll(1000)
|
||||
if res:
|
||||
topic = res.get_topic_name()
|
||||
vg = res.get_vgroup_id()
|
||||
db = res.get_db_name()
|
||||
print(f"topic: {topic}\nvgroup id: {vg}\ndb: {db}")
|
||||
for row in res:
|
||||
print(row)
|
||||
tb = res.get_table_name()
|
||||
print(f"from table: {tb}")
|
||||
from taos.tmq import TaosConsumer
|
||||
consumer = TaosConsumer('topic_ctb_column', group_id='vg2')
|
||||
for msg in consumer:
|
||||
for row in msg:
|
||||
print(row)
|
||||
|
|
|
@ -5,12 +5,69 @@ title: 使用安装包立即开始
|
|||
|
||||
import Tabs from "@theme/Tabs";
|
||||
import TabItem from "@theme/TabItem";
|
||||
import PkgListV3 from "/components/PkgListV3";
|
||||
|
||||
在 Linux 系统上,TDengine 开源版本提供 deb 和 rpm 格式安装包,用户可以根据自己的运行环境选择合适的安装包。其中 deb 支持 Debian/Ubuntu 及衍生系统,rpm 支持 CentOS/RHEL/SUSE 及衍生系统。同时我们也为企业用户提供 tar.gz 格式安装包,也支持通过 `apt-get` 工具从线上进行安装。TDengine 也提供 Windows x64 平台的安装包。您也可以[用Docker立即体验](../../get-started/docker/)。如果您希望对 TDengine 贡献代码或对内部实现感兴趣,请参考我们的 [TDengine GitHub 主页](https://github.com/taosdata/TDengine) 下载源码构建和安装.
|
||||
|
||||
## 安装
|
||||
|
||||
:::info
|
||||
下载其他组件、最新 Beta 版及之前版本的安装包,请点击[发布历史页面](../../releases)
|
||||
:::
|
||||
|
||||
<Tabs>
|
||||
<TabItem label="Deb 安装" value="debinst">
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 deb 安装包,例如 TDengine-server-3.0.0.0-Linux-x64.deb;
|
||||
2. 进入到 TDengine-server-3.0.0.0-Linux-x64.deb 安装包所在目录,执行如下的安装命令:
|
||||
|
||||
```bash
|
||||
sudo dpkg -i TDengine-server-3.0.0.0-Linux-x64.deb
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="RPM 安装" value="rpminst">
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 rpm 安装包,例如 TDengine-server-3.0.0.0-Linux-x64.rpm;
|
||||
2. 进入到 TDengine-server-3.0.0.0-Linux-x64.rpm 安装包所在目录,执行如下的安装命令:
|
||||
|
||||
```bash
|
||||
sudo rpm -ivh TDengine-server-3.0.0.0-Linux-x64.rpm
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="tar.gz 安装" value="tarinst">
|
||||
|
||||
1. 从列表中下载获得 tar.gz 安装包,例如 TDengine-server-3.0.0.0-Linux-x64.tar.gz;
|
||||
<PkgListV3 type={0}/>
|
||||
2. 进入到 TDengine-server-3.0.0.0-Linux-x64.tar.gz 安装包所在目录,先解压文件后,进入子目录,执行其中的 install.sh 安装脚本:
|
||||
|
||||
```bash
|
||||
tar -zxvf TDengine-server-3.0.0.0-Linux-x64.tar.gz
|
||||
```
|
||||
|
||||
解压后进入相应路径,执行
|
||||
|
||||
```bash
|
||||
sudo ./install.sh
|
||||
```
|
||||
|
||||
:::info
|
||||
install.sh 安装脚本在执行过程中,会通过命令行交互界面询问一些配置信息。如果希望采取无交互安装方式,那么可以用 -e no 参数来执行 install.sh 脚本。运行 `./install.sh -h` 指令可以查看所有参数的详细说明信息。
|
||||
:::
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="Windows 安装" value="windows">
|
||||
|
||||
<PkgListV3 type={3}/>
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 exe 安装程序,例如 TDengine-server-3.0.0.0-Windows-x64.exe;
|
||||
2. 运行 TDengine-server-3.0.0.0-Windows-x64.exe 来安装 TDengine。
|
||||
|
||||
</TabItem>
|
||||
<TabItem value="apt-get" label="apt-get">
|
||||
可以使用 apt-get 工具从官方仓库安装。
|
||||
|
||||
|
@ -39,56 +96,6 @@ sudo apt-get install tdengine
|
|||
:::tip
|
||||
apt-get 方式只适用于 Debian 或 Ubuntu 系统
|
||||
::::
|
||||
</TabItem>
|
||||
<TabItem label="Deb 安装" value="debinst">
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 deb 安装包,例如 TDengine-server-3.0.0.0-Linux-x64.deb;
|
||||
2. 进入到 TDengine-server-3.0.0.0-Linux-x64.deb 安装包所在目录,执行如下的安装命令:
|
||||
|
||||
```bash
|
||||
sudo dpkg -i TDengine-server-3.0.0.0-Linux-x64.deb
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="RPM 安装" value="rpminst">
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 rpm 安装包,例如 TDengine-server-3.0.0.0-Linux-x64.rpm;
|
||||
2. 进入到 TDengine-server-3.0.0.0-Linux-x64.rpm 安装包所在目录,执行如下的安装命令:
|
||||
|
||||
```bash
|
||||
sudo rpm -ivh TDengine-server-3.0.0.0-Linux-x64.rpm
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="tar.gz 安装" value="tarinst">
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 tar.gz 安装包,例如 TDengine-server-3.0.0.0-Linux-x64.tar.gz;
|
||||
2. 进入到 TDengine-server-3.0.0.0-Linux-x64.tar.gz 安装包所在目录,先解压文件后,进入子目录,执行其中的 install.sh 安装脚本:
|
||||
|
||||
```bash
|
||||
tar -zxvf TDengine-server-3.0.0.0-Linux-x64.tar.gz
|
||||
```
|
||||
|
||||
解压后进入相应路径,执行
|
||||
|
||||
```bash
|
||||
sudo ./install.sh
|
||||
```
|
||||
|
||||
:::info
|
||||
install.sh 安装脚本在执行过程中,会通过命令行交互界面询问一些配置信息。如果希望采取无交互安装方式,那么可以用 -e no 参数来执行 install.sh 脚本。运行 `./install.sh -h` 指令可以查看所有参数的详细说明信息。
|
||||
|
||||
:::
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="Windows 安装" value="windows">
|
||||
|
||||
1. 从 [发布历史页面](../../releases) 下载获得 exe 安装程序,例如 TDengine-server-3.0.0.0-Windows-x64.exe;
|
||||
2. 运行 TDengine-server-3.0.0.0-Windows-x64.exe 来安装 TDengine。
|
||||
|
||||
</TabItem>
|
||||
</Tabs>
|
||||
|
||||
|
|
|
@ -88,6 +88,72 @@ void close() throws SQLException;
|
|||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem value="Python" label="Python">
|
||||
```python
|
||||
class TaosConsumer():
|
||||
def __init__(self, *topics, **configs)
|
||||
|
||||
def __iter__(self)
|
||||
|
||||
def __next__(self)
|
||||
|
||||
def sync_next(self)
|
||||
|
||||
def subscription(self)
|
||||
|
||||
def unsubscribe(self)
|
||||
|
||||
def close(self)
|
||||
|
||||
def __del__(self)
|
||||
```
|
||||
</TabItem>
|
||||
<TabItem label="Go" value="Go">
|
||||
|
||||
```go
|
||||
func NewConsumer(conf *Config) (*Consumer, error)
|
||||
|
||||
func (c *Consumer) Close() error
|
||||
|
||||
func (c *Consumer) Commit(ctx context.Context, message unsafe.Pointer) error
|
||||
|
||||
func (c *Consumer) FreeMessage(message unsafe.Pointer)
|
||||
|
||||
func (c *Consumer) Poll(timeout time.Duration) (*Result, error)
|
||||
|
||||
func (c *Consumer) Subscribe(topics []string) error
|
||||
|
||||
func (c *Consumer) Unsubscribe() error
|
||||
```
|
||||
</TabItem>
|
||||
|
||||
<TabItem value="C#" label="C#">
|
||||
|
||||
```C#
|
||||
ConsumerBuilder(IEnumerable<KeyValuePair<string, string>> config)
|
||||
|
||||
virtual IConsumer Build()
|
||||
|
||||
Consumer(ConsumerBuilder builder)
|
||||
|
||||
void Subscribe(IEnumerable<string> topics)
|
||||
|
||||
void Subscribe(string topic)
|
||||
|
||||
ConsumeResult Consume(int millisecondsTimeout)
|
||||
|
||||
List<string> Subscription()
|
||||
|
||||
void Unsubscribe()
|
||||
|
||||
void Commit(ConsumeResult consumerResult)
|
||||
|
||||
void Close()
|
||||
|
||||
```
|
||||
</TabItem>
|
||||
|
||||
</Tabs>
|
||||
|
||||
## 写入数据
|
||||
|
@ -230,6 +296,105 @@ public class MetersDeserializer extends ReferenceDeserializer<Meters> {
|
|||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem value="Python" label="Python">
|
||||
|
||||
Python 使用以下配置项创建一个 Consumer 实例。
|
||||
|
||||
| 参数名称 | 类型 | 参数说明 | 备注 |
|
||||
| :----------------------------: | :-----: | -------------------------------------------------------- | ------------------------------------------- |
|
||||
| `td_connect_ip` | string | 用于创建连接,同 `taos_connect` | |
|
||||
| `td_connect_user` | string | 用于创建连接,同 `taos_connect` | |
|
||||
| `td_connect_pass` | string | 用于创建连接,同 `taos_connect` | |
|
||||
| `td_connect_port` | string | 用于创建连接,同 `taos_connect` | |
|
||||
| `group_id` | string | 消费组 ID,同一消费组共享消费进度 | **必填项**。最大长度:192。 |
|
||||
| `client_id` | string | 客户端 ID | 最大长度:192。 |
|
||||
| `auto_offset_reset` | string | 消费组订阅的初始位置 | 可选:`earliest`, `latest`, `none`(default) |
|
||||
| `enable_auto_commit` | string | 启用自动提交 | 合法值:`true`, `false`。 |
|
||||
| `auto_commit_interval_ms` | string | 以毫秒为单位的自动提交时间间隔 | |
|
||||
| `enable_heartbeat_background` | string | 启用后台心跳,启用后即使长时间不 poll 消息也不会造成离线 | 合法值:`true`, `false` |
|
||||
| `experimental_snapshot_enable` | string | 从 WAL 开始消费,还是从 TSBS 开始消费 | 合法值:`true`, `false` |
|
||||
| `msg_with_table_name` | string | 是否允许从消息中解析表名 | 合法值:`true`, `false` |
|
||||
| `timeout` | int | 消费者拉去的超时时间 | |
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem label="Go" value="Go">
|
||||
|
||||
```go
|
||||
config := tmq.NewConfig()
|
||||
defer config.Destroy()
|
||||
err = config.SetGroupID("test")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.SetAutoOffsetReset("earliest")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.SetConnectIP("127.0.0.1")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.SetConnectUser("root")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.SetConnectPass("taosdata")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.SetConnectPort("6030")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.SetMsgWithTableName(true)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.EnableHeartBeat()
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = config.EnableAutoCommit(func(result *wrapper.TMQCommitCallbackResult) {
|
||||
if result.ErrCode != 0 {
|
||||
errStr := wrapper.TMQErr2Str(result.ErrCode)
|
||||
err := errors.NewError(int(result.ErrCode), errStr)
|
||||
panic(err)
|
||||
}
|
||||
})
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem value="C#" label="C#">
|
||||
|
||||
```C#
|
||||
using TDengineTMQ;
|
||||
|
||||
// 根据需要,设置消费组 (GourpId)、自动提交 (EnableAutoCommit)、
|
||||
// 自动提交时间间隔 (AutoCommitIntervalMs)、用户名 (TDConnectUser)、密码 (TDConnectPasswd) 等参数
|
||||
var cfg = new ConsumerConfig
|
||||
{
|
||||
EnableAutoCommit = "true"
|
||||
AutoCommitIntervalMs = "1000"
|
||||
GourpId = "TDengine-TMQ-C#",
|
||||
TDConnectUser = "root",
|
||||
TDConnectPasswd = "taosdata",
|
||||
AutoOffsetReset = "earliest"
|
||||
MsgWithTableName = "true",
|
||||
TDConnectIp = "127.0.0.1",
|
||||
TDConnectPort = "6030"
|
||||
};
|
||||
|
||||
var consumer = new ConsumerBuilder(cfg).Build();
|
||||
|
||||
```
|
||||
</TabItem>
|
||||
|
||||
</Tabs>
|
||||
|
||||
上述配置中包括 consumer group ID,如果多个 consumer 指定的 consumer group ID 一样,则自动形成一个 consumer group,共享消费进度。
|
||||
|
@ -261,6 +426,42 @@ consumer.subscribe(topics);
|
|||
```
|
||||
|
||||
</TabItem>
|
||||
<TabItem value="Go" label="Go">
|
||||
|
||||
```go
|
||||
consumer, err := tmq.NewConsumer(config)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
err = consumer.Subscribe([]string{"example_tmq_topic"})
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
|
||||
<TabItem value="C#" label="C#">
|
||||
|
||||
```C#
|
||||
// 创建订阅 topics 列表
|
||||
List<String> topics = new List<string>();
|
||||
topics.add("tmq_topic");
|
||||
// 启动订阅
|
||||
consumer.Subscribe(topics);
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
|
||||
<TabItem value="Python" label="Python">
|
||||
```python
|
||||
consumer = TaosConsumer('topic_ctb_column', group_id='vg2')
|
||||
```
|
||||
</TabItem>
|
||||
|
||||
|
||||
|
||||
</Tabs>
|
||||
|
||||
|
@ -293,9 +494,51 @@ while(running){
|
|||
}
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem value="Python" label="Python">
|
||||
```python
|
||||
for msg in consumer:
|
||||
for row in msg:
|
||||
print(row)
|
||||
```
|
||||
</TabItem>
|
||||
|
||||
|
||||
<TabItem value="Go" label="Go">
|
||||
|
||||
```go
|
||||
for {
|
||||
result, err := consumer.Poll(time.Second)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
fmt.Println(result)
|
||||
consumer.Commit(context.Background(), result.Message)
|
||||
consumer.FreeMessage(result.Message)
|
||||
}
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
</Tabs>
|
||||
|
||||
<TabItem value="C#" label="C#">
|
||||
|
||||
```C#
|
||||
// 消费数据
|
||||
while (true)
|
||||
{
|
||||
var consumerRes = consumer.Consume(100);
|
||||
// process ConsumeResult
|
||||
ProcessMsg(consumerRes);
|
||||
consumer.Commit(consumerRes);
|
||||
}
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
</Tabs>
|
||||
|
||||
|
||||
## 结束消费
|
||||
|
||||
消费结束后,应当取消订阅。
|
||||
|
@ -323,6 +566,32 @@ consumer.close();
|
|||
```
|
||||
|
||||
</TabItem>
|
||||
|
||||
<TabItem value="Python" label="Python">
|
||||
|
||||
```python
|
||||
/* 取消订阅 */
|
||||
consumer.unsubscribe();
|
||||
|
||||
/* 关闭消费 */
|
||||
consumer.close();
|
||||
<TabItem value="Go" label="Go">
|
||||
|
||||
```go
|
||||
consumer.Close()
|
||||
```
|
||||
|
||||
</TabItem>
|
||||
<TabItem value="C#" label="C#">
|
||||
|
||||
```C#
|
||||
// 取消订阅
|
||||
consumer.Unsubscribe();
|
||||
|
||||
// 关闭消费
|
||||
consumer.Close();
|
||||
</TabItem>
|
||||
|
||||
</Tabs>
|
||||
|
||||
## 删除 *topic*
|
||||
|
@ -670,65 +939,15 @@ int main(int argc, char* argv[]) {
|
|||
<TabItem label="Python" value="Python">
|
||||
|
||||
```python
|
||||
import taos
|
||||
from taos.tmq import TaosConsumer
|
||||
|
||||
import taos
|
||||
from taos.tmq import *
|
||||
|
||||
conn = taos.connect()
|
||||
|
||||
# create database
|
||||
conn.execute("drop database if exists py_tmq")
|
||||
conn.execute("create database if not exists py_tmq vgroups 2")
|
||||
|
||||
# create table and stables
|
||||
conn.select_db("py_tmq")
|
||||
conn.execute("create stable if not exists stb1 (ts timestamp, c1 int, c2 float, c3 binary(10)) tags(t1 int)")
|
||||
conn.execute("create table if not exists tb1 using stb1 tags(1)")
|
||||
conn.execute("create table if not exists tb2 using stb1 tags(2)")
|
||||
conn.execute("create table if not exists tb3 using stb1 tags(3)")
|
||||
|
||||
# create topic
|
||||
conn.execute("drop topic if exists topic_ctb_column")
|
||||
conn.execute("create topic if not exists topic_ctb_column as select ts, c1, c2, c3 from stb1")
|
||||
|
||||
# set consumer configure options
|
||||
conf = TaosTmqConf()
|
||||
conf.set("group.id", "tg2")
|
||||
conf.set("td.connect.user", "root")
|
||||
conf.set("td.connect.pass", "taosdata")
|
||||
conf.set("enable.auto.commit", "true")
|
||||
conf.set("msg.with.table.name", "true")
|
||||
|
||||
def tmq_commit_cb_print(tmq, resp, offset, param=None):
|
||||
print(f"commit: {resp}, tmq: {tmq}, offset: {offset}, param: {param}")
|
||||
|
||||
conf.set_auto_commit_cb(tmq_commit_cb_print, None)
|
||||
|
||||
# build consumer
|
||||
tmq = conf.new_consumer()
|
||||
|
||||
# build topic list
|
||||
topic_list = TaosTmqList()
|
||||
topic_list.append("topic_ctb_column")
|
||||
|
||||
# subscribe consumer
|
||||
tmq.subscribe(topic_list)
|
||||
|
||||
# check subscriptions
|
||||
sub_list = tmq.subscription()
|
||||
print("subscribed topics: ",sub_list)
|
||||
|
||||
# start subscribe
|
||||
while 1:
|
||||
res = tmq.poll(1000)
|
||||
if res:
|
||||
topic = res.get_topic_name()
|
||||
vg = res.get_vgroup_id()
|
||||
db = res.get_db_name()
|
||||
print(f"topic: {topic}\nvgroup id: {vg}\ndb: {db}")
|
||||
for row in res:
|
||||
print(row)
|
||||
tb = res.get_table_name()
|
||||
print(f"from table: {tb}")
|
||||
consumer = TaosConsumer('topic_ctb_column', group_id='vg2')
|
||||
for msg in consumer:
|
||||
for row in msg:
|
||||
print(row)
|
||||
|
||||
```
|
||||
|
||||
|
|
|
@ -1,10 +1,10 @@
|
|||
import PkgList from "/components/PkgList";
|
||||
import PkgListV3 from "/components/PkgListV3";
|
||||
|
||||
1. 下载客户端安装包
|
||||
|
||||
<PkgList type={1} sys="Linux" />
|
||||
<PkgListV3 type={1} sys="Linux" />
|
||||
|
||||
[所有下载](https://www.taosdata.com/cn/all-downloads/)
|
||||
[所有下载](../../releases)
|
||||
|
||||
2. 解压缩软件包
|
||||
|
||||
|
|
|
@ -1,11 +1,10 @@
|
|||
import PkgList from "/components/PkgList";
|
||||
import PkgListV3 from "/components/PkgListV3";
|
||||
|
||||
1. 下载客户端安装包
|
||||
|
||||
<PkgList type={1} sys="Windows" />
|
||||
|
||||
[所有下载](https://www.taosdata.com/cn/all-downloads/)
|
||||
<PkgListV3 type={4} sys="Windows" />
|
||||
|
||||
[所有下载](../../releases)
|
||||
2. 执行安装程序,按提示选择默认值,完成安装
|
||||
3. 安装路径
|
||||
|
||||
|
|
|
@ -4918,6 +4918,16 @@ int32_t mavgFunction(SqlFunctionCtx* pCtx) {
|
|||
return numOfElems;
|
||||
}
|
||||
|
||||
static SSampleInfo* getSampleOutputInfo(SqlFunctionCtx* pCtx) {
|
||||
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
|
||||
SSampleInfo* pInfo = GET_ROWCELL_INTERBUF(pResInfo);
|
||||
|
||||
pInfo->data = (char*)pInfo + sizeof(SSampleInfo);
|
||||
pInfo->tuplePos = (STuplePos*)((char*)pInfo + sizeof(SSampleInfo) + pInfo->samples * pInfo->colBytes);
|
||||
|
||||
return pInfo;
|
||||
}
|
||||
|
||||
bool getSampleFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
|
||||
SColumnNode* pCol = (SColumnNode*)nodesListGetNode(pFunc->pParameterList, 0);
|
||||
SValueNode* pVal = (SValueNode*)nodesListGetNode(pFunc->pParameterList, 1);
|
||||
|
@ -4972,7 +4982,7 @@ static void doReservoirSample(SqlFunctionCtx* pCtx, SSampleInfo* pInfo, char* da
|
|||
|
||||
int32_t sampleFunction(SqlFunctionCtx* pCtx) {
|
||||
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
|
||||
SSampleInfo* pInfo = GET_ROWCELL_INTERBUF(pResInfo);
|
||||
SSampleInfo* pInfo = getSampleOutputInfo(pCtx);
|
||||
|
||||
SInputColumnInfoData* pInput = &pCtx->input;
|
||||
|
||||
|
@ -4998,7 +5008,7 @@ int32_t sampleFunction(SqlFunctionCtx* pCtx) {
|
|||
int32_t sampleFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
|
||||
SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
|
||||
|
||||
SSampleInfo* pInfo = GET_ROWCELL_INTERBUF(pEntryInfo);
|
||||
SSampleInfo* pInfo = getSampleOutputInfo(pCtx);
|
||||
pEntryInfo->complete = true;
|
||||
|
||||
int32_t slotId = pCtx->pExpr->base.resSchema.slotId;
|
||||
|
|
Loading…
Reference in New Issue