Enum Mutation 

pub enum Mutation {
    Add(AddMutation),
    Stop(StopMutation),
    Update(UpdateMutation),
    Splits(SourceChangeSplitMutation),
    Pause(PauseMutation),
    Resume(ResumeMutation),
    Throttle(ThrottleMutation),
    DropSubscriptions(DropSubscriptionsMutation),
    ConnectorPropsChange(ConnectorPropsChangeMutation),
    StartFragmentBackfill(StartFragmentBackfillMutation),
    RefreshStart(RefreshStartMutation),
    LoadFinish(LoadFinishMutation),
    ListFinish(ListFinishMutation),
    Combined(CombinedMutation),
}

Variants

Add(AddMutation)

Add new dispatchers to some actors, used for creating materialized views.

Stop(StopMutation)

Stop a set of actors, used for dropping materialized views. Empty dispatchers will be automatically removed.

Update(UpdateMutation)

Update outputs and hash mappings for some dispatchers, used for scaling and replace table.

Splits(SourceChangeSplitMutation)

Change the split of some sources.

Pause(PauseMutation)

Pause the dataflow of the whole streaming graph, only used for scaling.

Resume(ResumeMutation)

Resume the dataflow of the whole streaming graph, only used for scaling.

Throttle(ThrottleMutation)

Throttle specific source exec or backfill exec.

DropSubscriptions(DropSubscriptionsMutation)

Drop subscription on mv

ConnectorPropsChange(ConnectorPropsChangeMutation)

Alter sink/connector/source props

StartFragmentBackfill(StartFragmentBackfillMutation)

Start backfilling for specific fragments This is separated from ThrottleMutation::NO_RATE_LIMIT. This is because user may concurrently rate limit + use backfill order control. If we use rate limit to pause / resume backfill fragments, if user manually resumes some fragments, this will overwrite the backfill order configuration.

RefreshStart(RefreshStartMutation)

Start refresh signal for refreshing tables

LoadFinish(LoadFinishMutation)

Load finish signal for refreshing tables

ListFinish(ListFinishMutation)

List finish signal for refreshing tables

Combined(CombinedMutation)

Combined mutation. Currently, it can only be Add & Update, which is for sink into table.

Implementations

impl Mutation

pub fn encode(&self, buf: &mut impl BufMut)

Encodes the message to a buffer.

pub fn merge( field: &mut Option<Mutation>, tag: u32, wire_type: WireType, buf: &mut impl Buf, ctx: DecodeContext, ) -> Result<(), DecodeError>

Decodes an instance of the message from a buffer, and merges it into self.

pub fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

Trait Implementations

impl Clone for Mutation

fn clone(&self) -> Mutation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Mutation

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

Formats the value using the given formatter.

impl PartialEq for Mutation

fn eq(&self, other: &Mutation) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Mutation