BatchTableInnerIterInner

risingwave_storage::table::batch_table

Struct BatchTableInnerIterInner 

Source 
struct BatchTableInnerIterInner<SI: StateStoreIter, SD: ValueRowSerde> {
    iter: SI,
    mapping: Arc<ColumnMapping>,
    epoch_idx: Option<usize>,
    row_deserializer: Arc<SD>,
    pk_serializer: Option<Arc<OrderedRowSerde>>,
    output_indices: Vec<usize>,
    key_output_indices: Option<Vec<usize>>,
    value_output_indices: Vec<usize>,
    output_row_in_key_indices: Vec<usize>,
}
Expand description

BatchTableInnerIterInner iterates on the storage table.

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§iter: SI

An iterator that returns raw bytes from storage.

§mapping: Arc<ColumnMapping>§epoch_idx: Option<usize>

The index of system column _rw_timestamp in the output columns.

§row_deserializer: Arc<SD>§pk_serializer: Option<Arc<OrderedRowSerde>>

Used for serializing and deserializing the primary key.

§output_indices: Vec<usize>§key_output_indices: Option<Vec<usize>>

the key part of output_indices.

§value_output_indices: Vec<usize>

the value part of output_indices.

§output_row_in_key_indices: Vec<usize>

used for deserializing key part of output row from pk.

Implementations§

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impl<SI: StateStoreIter, SD: ValueRowSerde> BatchTableInnerIterInner<SI, SD>

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async fn new<S>( store: &S, mapping: Arc<ColumnMapping>, epoch_idx: Option<usize>, pk_serializer: Option<Arc<OrderedRowSerde>>, output_indices: Vec<usize>, key_output_indices: Option<Vec<usize>>, value_output_indices: Vec<usize>, output_row_in_key_indices: Vec<usize>, row_deserializer: Arc<SD>, table_key_range: TableKeyRange, read_options: ReadOptions, ) -> StorageResult<Self>
where S: StateStoreRead<Iter = SI>,

If wait_epoch is true, it will wait for the given epoch to be committed before iteration.

Source

fn into_stream<K: CopyFromSlice>( self, ) -> impl Stream<Item = Result<(K, OwnedRow), StorageError>>

Yield a row with its primary key.

Auto Trait Implementations§

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impl<SI, SD> Freeze for BatchTableInnerIterInner<SI, SD>
where SI: Freeze,

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impl<SI, SD> RefUnwindSafe for BatchTableInnerIterInner<SI, SD>
where SI: RefUnwindSafe, SD: RefUnwindSafe,

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impl<SI, SD> Send for BatchTableInnerIterInner<SI, SD>

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impl<SI, SD> Sync for BatchTableInnerIterInner<SI, SD>
where SI: Sync,

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impl<SI, SD> Unpin for BatchTableInnerIterInner<SI, SD>
where SI: Unpin,

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impl<SI, SD> UnwindSafe for BatchTableInnerIterInner<SI, SD>
where SI: UnwindSafe, SD: RefUnwindSafe,

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