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feat(session): add RunTimeConfig & Session tags (#45)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| //! Configuration for a Spark application. Used to set various Spark parameters as key-value pairs. | ||
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| use std::collections::HashMap; | ||
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| use crate::spark; | ||
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| use crate::client::{MetadataInterceptor, SparkConnectClient}; | ||
| use crate::errors::SparkError; | ||
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| use tonic::service::interceptor::InterceptedService; | ||
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| #[cfg(not(feature = "wasm"))] | ||
| use tonic::transport::Channel; | ||
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| #[cfg(feature = "wasm")] | ||
| use tonic_web_wasm_client::Client; | ||
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| pub struct RunTimeConfig { | ||
| #[cfg(not(feature = "wasm"))] | ||
| pub(crate) client: SparkConnectClient<InterceptedService<Channel, MetadataInterceptor>>, | ||
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| #[cfg(feature = "wasm")] | ||
| pub(crate) client: SparkConnectClient<InterceptedService<Client, MetadataInterceptor>>, | ||
| } | ||
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| /// User-facing configuration API, accessible through SparkSession.conf. | ||
| /// | ||
| /// Options set here are automatically propagated to the Hadoop configuration during I/O. | ||
| /// | ||
| /// # Example | ||
| /// ```rust | ||
| /// spark | ||
| /// .conf() | ||
| /// .set("spark.sql.shuffle.partitions", "42") | ||
| /// .await?; | ||
| /// ``` | ||
| impl RunTimeConfig { | ||
| #[allow(dead_code)] | ||
| pub(crate) async fn set_configs( | ||
| &mut self, | ||
| map: &HashMap<String, String>, | ||
| ) -> Result<(), SparkError> { | ||
| for (key, value) in map { | ||
| self.set(key.as_str(), value.as_str()).await? | ||
| } | ||
| Ok(()) | ||
| } | ||
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| /// Sets the given Spark runtime configuration property. | ||
| pub async fn set(&mut self, key: &str, value: &str) -> Result<(), SparkError> { | ||
| let op_type = spark::config_request::operation::OpType::Set(spark::config_request::Set { | ||
| pairs: vec![spark::KeyValue { | ||
| key: key.into(), | ||
| value: Some(value.into()), | ||
| }], | ||
| }); | ||
| let operation = spark::config_request::Operation { | ||
| op_type: Some(op_type), | ||
| }; | ||
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| let _ = self.client.config_request(operation).await?; | ||
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| Ok(()) | ||
| } | ||
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| /// Resets the configuration property for the given key. | ||
| pub async fn unset(&mut self, key: &str) -> Result<(), SparkError> { | ||
| let op_type = | ||
| spark::config_request::operation::OpType::Unset(spark::config_request::Unset { | ||
| keys: vec![key.to_string()], | ||
| }); | ||
| let operation = spark::config_request::Operation { | ||
| op_type: Some(op_type), | ||
| }; | ||
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| let _ = self.client.config_request(operation).await?; | ||
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| Ok(()) | ||
| } | ||
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| /// Indicates whether the configuration property with the given key is modifiable in the current session. | ||
| pub async fn get(&mut self, key: &str, default: Option<&str>) -> Result<String, SparkError> { | ||
| let operation = match default { | ||
| Some(default) => { | ||
| let op_type = spark::config_request::operation::OpType::GetWithDefault( | ||
| spark::config_request::GetWithDefault { | ||
| pairs: vec![spark::KeyValue { | ||
| key: key.into(), | ||
| value: Some(default.into()), | ||
| }], | ||
| }, | ||
| ); | ||
| spark::config_request::Operation { | ||
| op_type: Some(op_type), | ||
| } | ||
| } | ||
| None => { | ||
| let op_type = | ||
| spark::config_request::operation::OpType::Get(spark::config_request::Get { | ||
| keys: vec![key.to_string()], | ||
| }); | ||
| spark::config_request::Operation { | ||
| op_type: Some(op_type), | ||
| } | ||
| } | ||
| }; | ||
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| let resp = self.client.config_request(operation).await?; | ||
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| let val = resp.pairs.first().unwrap().value().to_string(); | ||
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| Ok(val) | ||
| } | ||
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| /// Indicates whether the configuration property with the given key is modifiable in the current session. | ||
| #[allow(non_snake_case)] | ||
| pub async fn isModifable(&mut self, key: &str) -> Result<bool, SparkError> { | ||
| let op_type = spark::config_request::operation::OpType::IsModifiable( | ||
| spark::config_request::IsModifiable { | ||
| keys: vec![key.to_string()], | ||
| }, | ||
| ); | ||
| let operation = spark::config_request::Operation { | ||
| op_type: Some(op_type), | ||
| }; | ||
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| let resp = self.client.config_request(operation).await?; | ||
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| let val = resp.pairs.first().unwrap().value(); | ||
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| match val { | ||
| "true" => Ok(true), | ||
| "false" => Ok(false), | ||
| _ => Err(SparkError::AnalysisException( | ||
| "Unexpected response value for boolean".to_string(), | ||
| )), | ||
| } | ||
| } | ||
| } |
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