pub struct DftSessionStateBuilder { /* private fields */ }Expand description
Builds a DataFusion SessionState with any necessary configuration
Ideally we would use the DataFusion SessionStateBuilder, but it doesn’t
currently have all the needed APIs. Once we have a good handle on the needed
APIs we can upstream them to DataFusion.
List of things that would be nice to add upstream: TODO: Implement Debug for SessionStateBuilder upstream https://github.com/apache/datafusion/issues/12555 TODO: Implement some way to get access to the current RuntimeEnv (to register object stores) https://github.com/apache/datafusion/issues/12553 TODO: Implement a way to add just a single TableProviderFactory https://github.com/apache/datafusion/issues/12552 TODO: Make TableFactoryProvider implement Debug https://github.com/apache/datafusion/pull/12557 TODO: rename RuntimeEnv::new() to RuntimeEnv::try_new() as it returns a Result: https://github.com/apache/datafusion/issues/12554
Implementations§
Source§impl DftSessionStateBuilder
impl DftSessionStateBuilder
pub fn with_app_type(self, app_type: AppType) -> Self
pub fn with_execution_config(self, app_type: ExecutionConfig) -> Self
Sourcepub fn with_batch_size(self, batch_size: usize) -> Self
pub fn with_batch_size(self, batch_size: usize) -> Self
Set the batch_size on the SessionConfig
Sourcepub fn add_table_factory(
&mut self,
name: &str,
factory: Arc<dyn TableProviderFactory>,
)
pub fn add_table_factory( &mut self, name: &str, factory: Arc<dyn TableProviderFactory>, )
Add a table factory to the list of factories on this builder
Sourcepub fn add_catalog_provider(
&mut self,
name: &str,
factory: Arc<dyn CatalogProvider>,
)
pub fn add_catalog_provider( &mut self, name: &str, factory: Arc<dyn CatalogProvider>, )
Add a catalog provider to the list of providers on this builder
Sourcepub fn runtime_env(&mut self) -> &RuntimeEnv
pub fn runtime_env(&mut self) -> &RuntimeEnv
Return the current RuntimeEnv, creating a default if it doesn’t exist
pub async fn register_extension( &mut self, config: ExecutionConfig, extension: Arc<dyn Extension>, ) -> Result<()>
pub async fn with_extensions(self) -> Result<Self>
Sourcepub fn build(self) -> Result<SessionState>
pub fn build(self) -> Result<SessionState>
Build the SessionState from the specified configuration
Trait Implementations§
Source§impl Debug for DftSessionStateBuilder
impl Debug for DftSessionStateBuilder
Auto Trait Implementations§
impl Freeze for DftSessionStateBuilder
impl !RefUnwindSafe for DftSessionStateBuilder
impl Send for DftSessionStateBuilder
impl Sync for DftSessionStateBuilder
impl Unpin for DftSessionStateBuilder
impl !UnwindSafe for DftSessionStateBuilder
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