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BulkPart

mito2::memtable::bulk::part

Struct BulkPart 

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pub struct BulkPart {
    pub batch: DfRecordBatch,
    pub max_timestamp: i64,
    pub min_timestamp: i64,
    pub sequence: u64,
    pub min_sequence: SequenceNumber,
    pub timestamp_index: usize,
    pub raw_data: Option<ArrowIpc>,
}
Expand description

A raw bulk part in the memtable.

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§batch: DfRecordBatch§max_timestamp: i64§min_timestamp: i64§sequence: u64

Uniform sequence for external bulk writes, or the maximum row sequence for parts produced by BulkPartConverter. Rows need not share it.

§min_sequence: SequenceNumber

Lower bound of row sequences. Slices may inherit a lower bound from their parent part rather than recomputing an exact minimum.

§timestamp_index: usize§raw_data: Option<ArrowIpc>

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impl BulkPart

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pub(crate) fn schema(&self) -> SchemaRef

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pub(crate) fn estimated_size(&self) -> usize

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pub fn estimated_series_count(&self) -> usize

Returns the estimated series count in this BulkPart. This is calculated from the dictionary values count of the PrimaryKeyArray.

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pub fn to_memtable_stats( &self, region_metadata: &RegionMetadataRef, ) -> MemtableStats

Creates MemtableStats from this BulkPart.

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pub fn fill_missing_columns( &mut self, region_metadata: &RegionMetadata, ) -> Result<()>

Fills missing columns in the BulkPart batch with default values.

This function checks if the batch schema matches the region metadata schema, and if there are missing columns, it fills them with default values (or null for nullable columns).

§Arguments
  • region_metadata - The region metadata containing the expected schema
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pub(crate) fn to_mutation( &self, region_metadata: &RegionMetadataRef, ) -> Result<Mutation>

Converts BulkPart to [Mutation] for fallback write_bulk implementation.

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pub fn timestamps(&self) -> &ArrayRef

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pub fn num_rows(&self) -> usize

Trait Implementations§

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impl Clone for BulkPart

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fn clone(&self) -> BulkPart

Returns a duplicate 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 TryFrom<&BulkPart> for BulkWalEntry

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: &BulkPart) -> Result<Self>

Performs the conversion.
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impl TryFrom<BulkWalEntry> for BulkPart

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: BulkWalEntry) -> Result<Self, Self::Error>

Performs the conversion.

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