Enum TableVirtualContext 

pub enum TableVirtualContext<'a> {
    Basic {
        params: Params,
    },
    PushDown {
        filters: Vec<Expression<'a>>,
        projections: Vec<Expression<'a>>,
        order_by: Vec<SortKey>,
        limit: Option<usize>,
        params: Params,
    },
}

Context passed to virtual table queries

Variants

Basic

Fields

params: Params

Query parameters

PushDown

Fields

filters: Vec<Expression<'a>>

Filter conditions from filter operations

projections: Vec<Expression<'a>>

Projection expressions from map operations (empty = select all)

order_by: Vec<SortKey>

Sort keys from order operations

limit: Option<usize>

Limit from take operations

params: Params

Query parameters