Struct mz_catalog::memory::objects::MaterializedView

pub struct MaterializedView {
    pub create_sql: String,
    pub global_id: GlobalId,
    pub raw_expr: Arc<HirRelationExpr>,
    pub optimized_expr: Arc<OptimizedMirRelationExpr>,
    pub desc: RelationDesc,
    pub resolved_ids: ResolvedIds,
    pub dependencies: DependencyIds,
    pub cluster_id: ClusterId,
    pub non_null_assertions: Vec<usize>,
    pub custom_logical_compaction_window: Option<CompactionWindow>,
    pub refresh_schedule: Option<RefreshSchedule>,
    pub initial_as_of: Option<Antichain<Timestamp>>,
}

Fields

create_sql: String

Parse-able SQL that defines this materialized view.

global_id: GlobalId

GlobalId used to reference this materialized view from outside the catalog.

raw_expr: Arc<HirRelationExpr>

Raw high-level expression from planning, derived from the create_sql.

optimized_expr: Arc<OptimizedMirRelationExpr>

Optimized mid-level expression, derived from the raw_expr.

desc: RelationDesc

Columns for this materialized view.

resolved_ids: ResolvedIds

Other catalog items that this materialized view references, determined at name resolution.

dependencies: DependencyIds

All of the catalog objects that are referenced by this view.

cluster_id: ClusterId

Cluster that this materialized view runs on.

non_null_assertions: Vec<usize>

Column indexes that we assert are not NULL.

TODO(parkmycar): Switch this to use the ColumnIdx type.

custom_logical_compaction_window: Option<CompactionWindow>

Custom compaction window, e.g. set via ALTER RETAIN HISTORY.

refresh_schedule: Option<RefreshSchedule>

Schedule to refresh this materialized view, e.g. set via REFRESH EVERY option.

initial_as_of: Option<Antichain<Timestamp>>

The initial as_of of the storage collection associated with the materialized view.

Note: This doesn’t change upon restarts. (The dataflow’s initial as_of can be different.)

Implementations

impl MaterializedView

pub fn global_id(&self) -> GlobalId

The single GlobalId this MaterializedView can be referenced by.

Trait Implementations

impl Clone for MaterializedView

fn clone(&self) -> MaterializedView

Returns a copy 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.

impl Serialize for MaterializedView

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.