Struct MaterializedView 

pub struct MaterializedView {
    pub name: String,
    pub sql: String,
    pub sources: Vec<String>,
    pub schema: SchemaRef,
    pub operator_id: String,
    pub state: MvState,
}

Materialized view definition.

A materialized view is a query result that is stored and incrementally maintained as its source data changes.

Fields

name: String

Unique view name.

sql: String

SQL definition (for reference and introspection).

sources: Vec<String>

Input sources (base tables or other MVs).

schema: SchemaRef

Output schema of the view.

operator_id: String

Associated operator ID for event routing.

state: MvState

Current execution state.

Implementations

impl MaterializedView

pub fn new( name: impl Into<String>, sql: impl Into<String>, sources: Vec<String>, schema: SchemaRef, ) -> Self

Creates a new materialized view definition.

pub fn depends_on(&self, source: &str) -> bool

Returns true if this view depends on the given source.

Trait Implementations

impl Clone for MaterializedView

fn clone(&self) -> MaterializedView

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MaterializedView

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

Formats the value using the given formatter.