Merge pull request #21024 from taosdata/docs/adamji/sml-rust
docs: add example and document for rust schemaless insert
This commit is contained in:
Linhe Huo
GitHub
commit
d2436fe06a
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@ -0,0 +1,3 @@
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```rust
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{{#include docs/examples/rust/nativeexample/examples/schemaless_insert_line.rs}}
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```
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@ -11,6 +11,7 @@ import TabItem from '@theme/TabItem';
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import Preparition from "./_preparation.mdx"
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import RustInsert from "../../07-develop/03-insert-data/_rust_sql.mdx"
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import RustBind from "../../07-develop/03-insert-data/_rust_stmt.mdx"
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import RustSml from "../../07-develop/03-insert-data/_rust_schemaless.mdx"
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import RustQuery from "../../07-develop/04-query-data/_rust.mdx"
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[](https://crates.io/crates/taos)  [](https://docs.rs/taos)
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@ -232,6 +233,10 @@ There are two ways to query data: Using built-in types or the [serde](https://se
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<RustBind />
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#### Schemaless Write
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<RustSml />
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### Query data
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<RustQuery />
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@ -0,0 +1,74 @@
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use taos_query::common::SchemalessPrecision;
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use taos_query::common::SchemalessProtocol;
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use taos_query::common::SmlDataBuilder;
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use crate::AsyncQueryable;
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use crate::AsyncTBuilder;
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use crate::TaosBuilder;
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async fn put_json() -> anyhow::Result<()> {
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// std::env::set_var("RUST_LOG", "taos=trace");
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std::env::set_var("RUST_LOG", "taos=debug");
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pretty_env_logger::init();
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let dsn =
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std::env::var("TDENGINE_ClOUD_DSN").unwrap_or("http://localhost:6041".to_string());
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log::debug!("dsn: {:?}", &dsn);
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let client = TaosBuilder::from_dsn(dsn)?.build().await?;
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let db = "demo_schemaless_ws";
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client.exec(format!("drop database if exists {db}")).await?;
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client
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.exec(format!("create database if not exists {db}"))
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.await?;
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// should specify database before insert
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client.exec(format!("use {db}")).await?;
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// SchemalessProtocol::Json
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let data = [
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r#"[{"metric": "meters.current", "timestamp": 1681345954000, "value": 10.3, "tags": {"location": "California.SanFrancisco", "groupid": 2}}, {"metric": "meters.voltage", "timestamp": 1648432611249, "value": 219, "tags": {"location": "California.LosAngeles", "groupid": 1}}, {"metric": "meters.current", "timestamp": 1648432611250, "value": 12.6, "tags": {"location": "California.SanFrancisco", "groupid": 2}}, {"metric": "meters.voltage", "timestamp": 1648432611250, "value": 221, "tags": {"location": "California.LosAngeles", "groupid": 1}}]"#
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]
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.map(String::from)
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.to_vec();
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// demo with all fields
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Json)
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.precision(SchemalessPrecision::Millisecond)
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.data(data.clone())
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.ttl(1000)
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.req_id(300u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default precision
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Json)
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.data(data.clone())
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.ttl(1000)
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.req_id(301u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default ttl
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Json)
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.data(data.clone())
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.req_id(302u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default req_id
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Json)
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.data(data.clone())
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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client.exec(format!("drop database if exists {db}")).await?;
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Ok(())
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}
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@ -0,0 +1,78 @@
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use taos_query::common::SchemalessPrecision;
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use taos_query::common::SchemalessProtocol;
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use taos_query::common::SmlDataBuilder;
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use crate::AsyncQueryable;
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use crate::AsyncTBuilder;
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use crate::TaosBuilder;
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async fn put_line() -> anyhow::Result<()> {
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// std::env::set_var("RUST_LOG", "taos=trace");
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std::env::set_var("RUST_LOG", "taos=debug");
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pretty_env_logger::init();
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let dsn =
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std::env::var("TDENGINE_ClOUD_DSN").unwrap_or("http://localhost:6041".to_string());
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log::debug!("dsn: {:?}", &dsn);
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let client = TaosBuilder::from_dsn(dsn)?.build().await?;
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let db = "demo_schemaless_ws";
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client.exec(format!("drop database if exists {db}")).await?;
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client
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.exec(format!("create database if not exists {db}"))
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.await?;
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// should specify database before insert
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client.exec(format!("use {db}")).await?;
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let data = [
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"measurement,host=host1 field1=2i,field2=2.0 1577837300000",
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"measurement,host=host1 field1=2i,field2=2.0 1577837400000",
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"measurement,host=host1 field1=2i,field2=2.0 1577837500000",
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"measurement,host=host1 field1=2i,field2=2.0 1577837600000",
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]
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.map(String::from)
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.to_vec();
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// demo with all fields
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Line)
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.precision(SchemalessPrecision::Millisecond)
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.data(data.clone())
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.ttl(1000)
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.req_id(100u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default ttl
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Line)
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.precision(SchemalessPrecision::Millisecond)
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.data(data.clone())
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.req_id(101u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default ttl and req_id
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Line)
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.precision(SchemalessPrecision::Millisecond)
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.data(data.clone())
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default precision
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Line)
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.data(data)
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.req_id(103u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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client.exec(format!("drop database if exists {db}")).await?;
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Ok(())
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}
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@ -0,0 +1,80 @@
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use taos_query::common::SchemalessPrecision;
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use taos_query::common::SchemalessProtocol;
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use taos_query::common::SmlDataBuilder;
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use crate::AsyncQueryable;
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use crate::AsyncTBuilder;
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use crate::TaosBuilder;
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async fn put_telnet() -> anyhow::Result<()> {
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// std::env::set_var("RUST_LOG", "taos=trace");
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std::env::set_var("RUST_LOG", "taos=debug");
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pretty_env_logger::init();
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let dsn =
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std::env::var("TDENGINE_ClOUD_DSN").unwrap_or("http://localhost:6041".to_string());
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log::debug!("dsn: {:?}", &dsn);
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let client = TaosBuilder::from_dsn(dsn)?.build().await?;
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let db = "demo_schemaless_ws";
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client.exec(format!("drop database if exists {db}")).await?;
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client
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.exec(format!("create database if not exists {db}"))
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.await?;
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// should specify database before insert
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client.exec(format!("use {db}")).await?;
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let data = [
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"meters.current 1648432611249 10.3 location=California.SanFrancisco group=2",
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"meters.current 1648432611250 12.6 location=California.SanFrancisco group=2",
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"meters.current 1648432611249 10.8 location=California.LosAngeles group=3",
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"meters.current 1648432611250 11.3 location=California.LosAngeles group=3",
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"meters.voltage 1648432611249 219 location=California.SanFrancisco group=2",
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"meters.voltage 1648432611250 218 location=California.SanFrancisco group=2",
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"meters.voltage 1648432611249 221 location=California.LosAngeles group=3",
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"meters.voltage 1648432611250 217 location=California.LosAngeles group=3",
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]
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.map(String::from)
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.to_vec();
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// demo with all fields
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Telnet)
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.precision(SchemalessPrecision::Millisecond)
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.data(data.clone())
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.ttl(1000)
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.req_id(200u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default precision
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Telnet)
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.data(data.clone())
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.ttl(1000)
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.req_id(201u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default ttl
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Telnet)
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.data(data.clone())
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.req_id(202u64)
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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// demo with default req_id
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let sml_data = SmlDataBuilder::default()
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.protocol(SchemalessProtocol::Telnet)
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.data(data.clone())
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.build()?;
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assert_eq!(client.put(&sml_data).await?, ());
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client.exec(format!("drop database if exists {db}")).await?;
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Ok(())
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}
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@ -0,0 +1,3 @@
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```rust
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{{#include docs/examples/rust/nativeexample/examples/schemaless_insert_line.rs}}
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```
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@ -10,6 +10,7 @@ import TabItem from '@theme/TabItem';
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import Preparation from "./_preparation.mdx"
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import RustInsert from "../07-develop/03-insert-data/_rust_sql.mdx"
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import RustBind from "../07-develop/03-insert-data/_rust_stmt.mdx"
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import RustSml from "../07-develop/03-insert-data/_rust_schemaless.mdx"
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import RustQuery from "../07-develop/04-query-data/_rust.mdx"
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[](https://crates.io/crates/taos)  [](https://docs.rs/taos)
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@ -230,6 +231,10 @@ async fn demo(taos: &Taos, db: &str) -> Result<(), Error> {
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<RustBind />
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#### Schemaless 写入
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<RustSml />
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### 查询数据
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<RustQuery />
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