Struct Change 

pub struct Change {
    pub table: String,
    pub operation: ChangeOperation,
    pub row_id: Option<Uuid>,
    pub changed_columns: Vec<String>,
}

A database change event.

Fields

table: String

Table that changed.

operation: ChangeOperation

Type of operation.

row_id: Option<Uuid>

Row ID that changed.

changed_columns: Vec<String>

Columns that changed (for updates).

Implementations

impl Change

pub fn new(table: impl Into<String>, operation: ChangeOperation) -> Self

Create a new change event.

pub fn with_row_id(self, row_id: Uuid) -> Self

Set the row ID.

pub fn with_columns(self, columns: Vec<String>) -> Self

Set the changed columns.

pub fn invalidates(&self, read_set: &ReadSet) -> bool

Check if this change should invalidate a read set.

Trait Implementations

impl Clone for Change

fn clone(&self) -> Change

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Change

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

Formats the value using the given formatter.