Struct CompiledTreeFlatten 

pub struct CompiledTreeFlatten { /* private fields */ }

Available on crate feature transform-tree-flatten only.

Validated TreeFlattenSpec — apply per record with CompiledTreeFlatten::apply.

Implementations

impl CompiledTreeFlatten

pub fn apply(&self, rec: Value) -> Vec<Value>

Flatten one record (a report) into 0..N leaf rows. Non-object records and records with no resolvable root pass through unchanged (never silently dropped). With groups, a record that cannot be zipped (see try_apply) is also passed through, with an error logged; the pipeline stage uses try_apply and fails instead.

pub fn try_apply(&self, rec: Value) -> Result<Vec<Value>, FaucetError>

apply, failing on a record whose groups cannot be zipped: a leaf missing a group’s cell array, a group whose width differs from its header count, or a column two groups both name.

Trait Implementations

impl Clone for CompiledTreeFlatten

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CompiledTreeFlatten

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

Formats the value using the given formatter.