Method insert

nodedb-columnar/src/pk_index.rs:60–70

Insert a PK → location mapping. Returns error if PK already exists.

(
        &mut self,
        pk_bytes: Vec<u8>,
        location: RowLocation,
    )

    /// Insert a PK → location mapping. Returns error if PK already exists.
    pub fn insert(
        &mut self,
        pk_bytes: Vec<u8>,
        location: RowLocation,
    ) -> Result<(), ColumnarError> {
        if self.inner.contains_key(&pk_bytes) {
            return Err(ColumnarError::DuplicatePrimaryKey);
        }
        self.inner.insert(pk_bytes, location);
        Ok(())
    }

    /// Insert or overwrite a PK → location mapping (used during compaction remap).
    pub fn upsert(&mut self, pk_bytes: Vec<u8>, location: RowLocation) {