Struct WorkTable 

pub struct WorkTable {
    batches: Mutex<Option<ReservedBatches>>,
}

The name is from PostgreSQL’s terminology. See https://wiki.postgresql.org/wiki/CTEReadme#How_Recursion_Works This table serves as a mirror or buffer between each iteration of a recursive query.

Fields

batches: Mutex<Option<ReservedBatches>>

Implementations

impl WorkTable

pub(crate) fn new() -> Self

Create a new work table.

fn take(&self) -> Result<ReservedBatches>

Take the previously written batches from the work table. This will be called by the WorkTableExec when it is executed.

pub(crate) fn update(&self, batches: ReservedBatches)

Update the results of a recursive query iteration to the work table.

Trait Implementations

impl Debug for WorkTable

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.