Method index_lookup

nodedb/src/engine/document/store/engine/batch.rs:56–82

Lookup documents by a secondary index value.

(
        &self,
        collection: &str,
        path: &str,
        value: &str,
    )

    /// Lookup documents by a secondary index value.
    pub fn index_lookup(
        &self,
        collection: &str,
        path: &str,
        value: &str,
    ) -> crate::Result<Vec<String>> {
        let prefix_with_value = format!("{value}:");
        let results = self.sparse.range_scan(
            self.tenant_id,
            collection,
            path,
            Some(prefix_with_value.as_bytes()),
            None,
            1000,
        )?;

        let mut doc_ids = Vec::new();
        for (key, _) in results {
            if let Some(doc_id) = key.rsplit(':').next() {
                let expected_prefix = format!("{}:{collection}:{path}:{value}:", self.tenant_id);
                if key.starts_with(&expected_prefix) {
                    doc_ids.push(doc_id.to_string());
                }
            }
        }
        Ok(doc_ids)
    }
}