Enum mz_adapter::coord::PendingRead

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enum PendingRead {
    Read {
        txn: PendingTxn,
    },
    ReadThenWrite {
        ctx: ExecuteContext,
        tx: Sender<Option<ExecuteContext>>,
    },
}
Expand description

A pending read transaction waiting to be linearized.

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Read

Fields

§txn: PendingTxn

The inner transaction.

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ReadThenWrite

Fields

§ctx: ExecuteContext

Context used to send a response back to the client.

§tx: Sender<Option<ExecuteContext>>

Channel used to alert the transaction that the read has been linearized and send back ctx.

Implementations§

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impl PendingRead

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pub fn finish( self, ) -> Option<(ExecuteContext, Result<ExecuteResponse, AdapterError>)>

Alert the client that the read has been linearized.

If it is necessary to finalize an execute, return the state necessary to do so (execution context and result)

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fn label(&self) -> &'static str

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pub(crate) fn take_context(self) -> ExecuteContext

Trait Implementations§

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impl Debug for PendingRead

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

Formats the value using the given formatter. Read more

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