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DedupGroupBy

rust_memex::diagnostics

Enum DedupGroupBy 

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pub enum DedupGroupBy {
    SourceHashLayer,
    SourceHash,
    ContentHash,
}
Expand description

How to group chunks when looking for duplicates.

After the v4 schema (source_hash + per-chunk content_hash) the legacy content_hash-only grouping is broken for onion namespaces: every onion layer of the same source has a unique chunk hash, so naive grouping reports zero duplicates. Spec 2026-04-27_kb-transcripts-onion-slicer-fix-spec.md, P4 fixes this by making (source_hash, layer) the default.

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SourceHashLayer

(source_hash, layer) — preserves onion structure: keeps one chunk per layer per source, removing only true repeats (e.g. __dupe__ + __clean__ variants of the same file). This is the post-v4 default.

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SourceHash

source_hash alone — collapses all layers of one source into a single group. Useful when callers already plan to re-slice and only want to deduplicate at the source-document level.

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ContentHash

content_hash (per-chunk text SHA256) — legacy v3 grouping. After P0 every chunk is unique, so this finds duplicates only when two chunk texts are byte-identical. Kept as opt-in for force-reindex edge cases.

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impl DedupGroupBy

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pub fn parse(value: &str) -> Self

Parse the CLI / HTTP string form. Unknown values fall through to the default (source-hash-layer) so older clients keep working safely.

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

Stable string label for logging / CLI display.

Trait Implementations§

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impl Clone for DedupGroupBy

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fn clone(&self) -> DedupGroupBy

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 DedupGroupBy

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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 DedupGroupBy

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fn default() -> DedupGroupBy

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

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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 From<&str> for DedupGroupBy

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fn from(value: &str) -> Self

Converts to this type from the input type.
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impl PartialEq for DedupGroupBy

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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

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

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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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impl Copy for DedupGroupBy

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impl Eq for DedupGroupBy

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impl StructuralPartialEq for DedupGroupBy

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