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BackfillHashesResult

rust_memex::diagnostics

Struct BackfillHashesResult 

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pub struct BackfillHashesResult {
    pub total_docs: usize,
    pub content_hash_backfilled: usize,
    pub source_hash_backfilled: usize,
    pub already_consistent: usize,
    pub skipped_no_embedding: usize,
    pub dry_run: bool,
}
Expand description

Result of a backfill-hashes pass.

content_hash is per-chunk SHA256 (semantics introduced in schema v4). source_hash is the SHA256 of the source document text — same value across all four onion layers from one source. Pre-v4 namespaces stored the source hash in content_hash; this backfill (a) re-derives a true per-chunk content_hash, and (b) preserves the legacy hash as source_hash so pre-index dedup works without re-reading source files.

Spec: 2026-04-27_kb-transcripts-onion-slicer-fix-spec.md, P0 backfill.

Fields§

§total_docs: usize

Total documents inspected in the namespace (or across all namespaces).

§content_hash_backfilled: usize

Documents that needed a content_hash write because the column was either empty or stored the source hash (pre-v4 schema).

§source_hash_backfilled: usize

Documents that needed a source_hash write because the column was empty (pre-v4 schema, or v4 chunk written before the field was wired up end-to-end).

§already_consistent: usize

Documents skipped because they already have correct per-chunk content_hash AND a populated source_hash.

§skipped_no_embedding: usize

Documents that could not be backfilled because the embedding column was missing or zero-length (extremely unlikely; logged in storage warn).

§dry_run: bool

true when the caller asked for a dry run (no writes performed).

Trait Implementations§

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impl Clone for BackfillHashesResult

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fn clone(&self) -> BackfillHashesResult

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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

Formats the value using the given formatter. Read more
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impl Default for BackfillHashesResult

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fn default() -> BackfillHashesResult

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for BackfillHashesResult

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for BackfillHashesResult

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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