Struct datafusion_expr::TableScan

pub struct TableScan {
    pub table_name: String,
    pub source: Arc<dyn TableSource>,
    pub projection: Option<Vec<usize>>,
    pub projected_schema: DFSchemaRef,
    pub filters: Vec<Expr>,
    pub fetch: Option<usize>,
}

Produces rows from a table provider by reference or from the context

Fields

table_name: String

The name of the table

source: Arc<dyn TableSource>

The source of the table

projection: Option<Vec<usize>>

Optional column indices to use as a projection

projected_schema: DFSchemaRef

The schema description of the output

filters: Vec<Expr>

Optional expressions to be used as filters by the table provider

fetch: Option<usize>

Optional number of rows to read

Trait Implementations

impl Clone for TableScan

fn clone(&self) -> TableScan

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.