Enum mz_adapter::coord::validity::PlanValidity

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pub enum PlanValidity {
    RequireRevision {
        required_revision: u64,
    },
    Checks {
        transient_revision: u64,
        dependency_ids: BTreeSet<CatalogItemId>,
        cluster_id: Option<ComputeInstanceId>,
        replica_id: Option<ReplicaId>,
        role_metadata: RoleMetadata,
    },
}
Expand description

A struct to hold information about the validity of plans and if they should be abandoned after doing work off of the Coordinator thread.

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RequireRevision

Requires a specific transient revision.

Fields

§required_revision: u64
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Checks

Checks various catalog IDs. Uses the transient revision only as a cache marker.

Fields

§transient_revision: u64

The most recent revision at which this plan was verified as valid.

§dependency_ids: BTreeSet<CatalogItemId>

Objects on which the plan depends.

§replica_id: Option<ReplicaId>
§role_metadata: RoleMetadata

Implementations§

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impl PlanValidity

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pub fn new( transient_revision: u64, dependency_ids: BTreeSet<CatalogItemId>, cluster_id: Option<ComputeInstanceId>, replica_id: Option<ReplicaId>, role_metadata: RoleMetadata, ) -> Self

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pub fn require_transient_revision(required_revision: u64) -> Self

WARNING: This is currently a no-op and check will always succeed.

Sets the required transient_revision of the catalog. Should only be used by serialized statements (and thus should never fail for users), but here as an internal failsafe against programming errors.

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pub fn extend_dependencies(&mut self, ids: impl Iterator<Item = CatalogItemId>)

Panics if not called on a Checks variant.

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pub fn check(&mut self, catalog: &Catalog) -> Result<(), AdapterError>

Returns an error if the current catalog no longer has all dependencies.

Trait Implementations§

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impl Clone for PlanValidity

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fn clone(&self) -> PlanValidity

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PlanValidity

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

Formats the value using the given formatter. Read more

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