Struct JsServerHandler 

pub struct JsServerHandler(/* private fields */);

Trait Implementations

impl VirtualServerHandler for JsServerHandler

type Error = JsError

fn get_features( &self, ) -> Pin<Box<dyn Future<Output = Result<Features<'_>, Self::Error>>>>

Returns the features supported by this handler.

fn get_hosted_tables( &self, ) -> Pin<Box<dyn Future<Output = Result<Vec<HostedTable>, Self::Error>>>>

Returns a list of all tables hosted by this handler.

fn table_schema( &self, table_id: &str, ) -> Pin<Box<dyn Future<Output = Result<IndexMap<String, ColumnType>, Self::Error>>>>

Returns the schema (column names and types) for a table.

fn table_size( &self, table_id: &str, ) -> Pin<Box<dyn Future<Output = Result<u32, Self::Error>>>>

Returns the number of rows in a table.

fn table_column_size( &self, view_id: &str, ) -> Pin<Box<dyn Future<Output = Result<u32, Self::Error>>>>

Return the column count of a Table

fn table_validate_expression( &self, table_id: &str, expression: &str, ) -> Pin<Box<dyn Future<Output = Result<ColumnType, Self::Error>>>>

Validates an expression against a table and returns its result type.

fn table_make_view( &mut self, table_id: &str, view_id: &str, config: &mut ViewConfigUpdate, ) -> Pin<Box<dyn Future<Output = Result<String, Self::Error>>>>

Creates a new view on a table with the given configuration.

fn view_schema( &self, view_id: &str, config: &ViewConfig, ) -> Pin<Box<dyn Future<Output = Result<IndexMap<String, ColumnType>, Self::Error>>>>

Returns the schema of a view after applying its configuration.

fn view_size( &self, view_id: &str, ) -> Pin<Box<dyn Future<Output = Result<u32, Self::Error>>>>

Returns the number of rows in a View.

fn view_column_size( &self, view_id: &str, config: &ViewConfig, ) -> Pin<Box<dyn Future<Output = Result<u32, Self::Error>>>>

Return the column count of a View

fn view_delete( &self, view_id: &str, ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>>>>

Deletes a view and releases its resources.

fn table_make_port( &self, _req: &TableMakePortReq, ) -> Pin<Box<dyn Future<Output = Result<u32, Self::Error>>>>

Creates a new input port on a table.

fn make_table( &mut self, table_id: &str, data: &MakeTableData, ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>>>>

Creates a new table with the given data.

fn view_get_data( &self, view_id: &str, config: &ViewConfig, schema: &IndexMap<String, ColumnType>, viewport: &ViewPort, ) -> Pin<Box<dyn Future<Output = Result<VirtualDataSlice, Self::Error>>>>

Retrieves data from a view within the specified viewport.