Struct SessionStateDefaults 

pub struct SessionStateDefaults {}

Defaults that are used as part of creating a SessionState such as table providers, file formats, registering of builtin functions, etc.

Implementations

impl SessionStateDefaults

pub fn default_table_factories() -> HashMap<String, Arc<dyn TableProviderFactory>>

returns a map of the default TableProviderFactorys

pub fn default_catalog( config: &SessionConfig, table_factories: &HashMap<String, Arc<dyn TableProviderFactory>>, runtime: &Arc<RuntimeEnv>, ) -> MemoryCatalogProvider

returns the default MemoryCatalogProvider

pub fn default_expr_planners() -> Vec<Arc<dyn ExprPlanner>>

returns the list of default ExprPlanners

pub fn default_scalar_functions() -> Vec<Arc<ScalarUDF>>

returns the list of default ScalarUDFs

pub fn default_aggregate_functions() -> Vec<Arc<AggregateUDF>>

returns the list of default AggregateUDFs

pub fn default_window_functions() -> Vec<Arc<WindowUDF>>

returns the list of default WindowUDFs

pub fn default_table_functions() -> Vec<Arc<TableFunction>>

returns the list of default TableFunctions

pub fn default_file_formats() -> Vec<Arc<dyn FileFormatFactory>>

returns the list of default FileFormatFactorys

pub fn register_builtin_functions(state: &mut SessionState)

registers all builtin functions - scalar, array and aggregate

pub fn register_scalar_functions(state: &mut SessionState)

registers all the builtin scalar functions

pub fn register_array_functions(state: &mut SessionState)

registers all the builtin array functions

pub fn register_aggregate_functions(state: &mut SessionState)

registers all the builtin aggregate functions

pub fn register_default_schema( config: &SessionConfig, table_factories: &HashMap<String, Arc<dyn TableProviderFactory>>, runtime: &Arc<RuntimeEnv>, default_catalog: &MemoryCatalogProvider, )

registers the default schema

pub fn register_default_file_formats(state: &mut SessionState)

registers the default FileFormatFactorys