Struct TableDiff 

pub struct TableDiff { /* private fields */ }

Table diff tracking changes for a single table.

Implementations

impl TableDiff

pub fn new(table_name: impl Into<String>) -> Self

Creates a new table diff.

pub fn table_name(&self) -> &str

Returns the table name.

pub fn add(&mut self, row: Row)

Records an addition.

pub fn modify(&mut self, old: Row, new: Row)

Records a modification.

pub fn delete(&mut self, row: Row)

Records a deletion.

pub fn get_added(&self) -> &BTreeMap<RowId, Row>

Returns added rows.

pub fn get_modified(&self) -> &BTreeMap<RowId, (Row, Row)>

Returns modified rows.

pub fn get_deleted(&self) -> &BTreeMap<RowId, Row>

Returns deleted rows.

pub fn is_empty(&self) -> bool

Returns true if there are no changes.

pub fn get_reverse(&self) -> Self

Returns the reverse of this diff (for rollback).

pub fn get_as_modifications(&self) -> Vec<(Option<Row>, Option<Row>)>

Converts to a list of modifications (for IVM).

Trait Implementations

impl Clone for TableDiff

fn clone(&self) -> TableDiff

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableDiff

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

Formats the value using the given formatter.

impl Default for TableDiff

fn default() -> TableDiff

Returns the “default value” for a type.