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feat(query): server-side RRF reranking and hit-score side table
- /v1/query now returns a hit_table (cell ID → field:hit_type → score) alongside cells, populated from BM25, embedding, and vector index hits - Added optional rerank field to QueryRequest; when set to "rrf", cells are reordered by Reciprocal Rank Fusion (k=60) before being returned - RerankMode enum added to morpheus-http-client QueryRequest - Unit tests cover empty hit_table, single-index, hybrid fusion, and absent-cell cases Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
1 parent 6c8056a commit 78bc91a

13 files changed

Lines changed: 254 additions & 118 deletions

‎crates/morpheus-http-client/src/lib.rs‎

Lines changed: 17 additions & 35 deletions
Original file line numberDiff line numberDiff line change
@@ -5,44 +5,26 @@ pub use error::{ApiError, ClientError};
55
pub use types::*;
66

77
use reqwest::Client;
8-
use reqwest::header::{AUTHORIZATION, HeaderMap, HeaderValue};
98
use url::Url;
109

1110
#[derive(Clone, Debug)]
1211
pub struct MorpheusHttpClient {
1312
base_url: Url,
1413
client: Client,
15-
admin_token: Option<String>,
1614
}
1715

1816
impl MorpheusHttpClient {
1917
pub fn new(base_url: Url) -> Self {
2018
Self {
2119
base_url,
2220
client: Client::new(),
23-
admin_token: None,
2421
}
2522
}
2623

27-
pub fn with_admin_token(mut self, token: impl Into<String>) -> Self {
28-
self.admin_token = Some(token.into());
29-
self
30-
}
31-
3224
pub fn base_url(&self) -> &Url {
3325
&self.base_url
3426
}
3527

36-
fn auth_headers(&self) -> Result<HeaderMap, ClientError> {
37-
let mut headers = HeaderMap::new();
38-
if let Some(token) = &self.admin_token {
39-
let value = HeaderValue::from_str(&format!("Bearer {token}"))
40-
.map_err(ClientError::invalid_header_value)?;
41-
headers.insert(AUTHORIZATION, value);
42-
}
43-
Ok(headers)
44-
}
45-
4628
fn endpoint(&self, path: &str) -> Result<Url, ClientError> {
4729
self.base_url.join(path).map_err(ClientError::invalid_url)
4830
}
@@ -55,15 +37,29 @@ impl MorpheusHttpClient {
5537
.send()
5638
.await
5739
.map_err(ClientError::http)?;
58-
parse_json(res).await
40+
if res.status().is_success() {
41+
return Ok(ApiResponse { data: () });
42+
}
43+
// Non-2xx: parse the error body normally.
44+
let status = res.status();
45+
let body = res
46+
.json::<crate::types::ApiErrorBody>()
47+
.await
48+
.unwrap_or_else(|_| crate::types::ApiErrorBody {
49+
code: "http_error".to_string(),
50+
message: format!("HTTP {status}"),
51+
});
52+
Err(ClientError::api(crate::error::ApiError {
53+
status: status.as_u16(),
54+
body,
55+
}))
5956
}
6057

6158
pub async fn nuke(&self) -> Result<ApiResponse<NukeResult>, ClientError> {
6259
let url = self.endpoint("/v1/admin/nuke")?;
6360
let res = self
6461
.client
6562
.post(url)
66-
.headers(self.auth_headers()?)
6763
.send()
6864
.await
6965
.map_err(ClientError::http)?;
@@ -79,7 +75,6 @@ impl MorpheusHttpClient {
7975
let res = self
8076
.client
8177
.get(url)
82-
.headers(self.auth_headers()?)
8378
.send()
8479
.await
8580
.map_err(ClientError::http)?;
@@ -95,7 +90,6 @@ impl MorpheusHttpClient {
9590
let res = self
9691
.client
9792
.post(url)
98-
.headers(self.auth_headers()?)
9993
.json(req)
10094
.send()
10195
.await
@@ -112,7 +106,6 @@ impl MorpheusHttpClient {
112106
let res = self
113107
.client
114108
.put(url)
115-
.headers(self.auth_headers()?)
116109
.json(req)
117110
.send()
118111
.await
@@ -125,7 +118,6 @@ impl MorpheusHttpClient {
125118
let res = self
126119
.client
127120
.delete(url)
128-
.headers(self.auth_headers()?)
129121
.send()
130122
.await
131123
.map_err(ClientError::http)?;
@@ -169,7 +161,6 @@ impl MorpheusHttpClient {
169161
let res = self
170162
.client
171163
.post(url)
172-
.headers(self.auth_headers()?)
173164
.json(req)
174165
.send()
175166
.await
@@ -182,7 +173,6 @@ impl MorpheusHttpClient {
182173
let res = self
183174
.client
184175
.delete(url)
185-
.headers(self.auth_headers()?)
186176
.send()
187177
.await
188178
.map_err(ClientError::http)?;
@@ -251,7 +241,6 @@ impl MorpheusHttpClient {
251241
let res = self
252242
.client
253243
.post(url)
254-
.headers(self.auth_headers()?)
255244
.json(req)
256245
.send()
257246
.await
@@ -264,7 +253,6 @@ impl MorpheusHttpClient {
264253
let res = self
265254
.client
266255
.delete(url)
267-
.headers(self.auth_headers()?)
268256
.send()
269257
.await
270258
.map_err(ClientError::http)?;
@@ -297,7 +285,6 @@ impl MorpheusHttpClient {
297285
let res = self
298286
.client
299287
.post(url)
300-
.headers(self.auth_headers()?)
301288
.json(req)
302289
.send()
303290
.await
@@ -310,7 +297,6 @@ impl MorpheusHttpClient {
310297
let res = self
311298
.client
312299
.delete(url)
313-
.headers(self.auth_headers()?)
314300
.send()
315301
.await
316302
.map_err(ClientError::http)?;
@@ -326,7 +312,6 @@ impl MorpheusHttpClient {
326312
let res = self
327313
.client
328314
.patch(url)
329-
.headers(self.auth_headers()?)
330315
.json(req)
331316
.send()
332317
.await
@@ -342,7 +327,6 @@ impl MorpheusHttpClient {
342327
let res = self
343328
.client
344329
.post(url)
345-
.headers(self.auth_headers()?)
346330
.json(req)
347331
.send()
348332
.await
@@ -358,7 +342,6 @@ impl MorpheusHttpClient {
358342
let res = self
359343
.client
360344
.delete(url)
361-
.headers(self.auth_headers()?)
362345
.json(req)
363346
.send()
364347
.await
@@ -374,7 +357,6 @@ impl MorpheusHttpClient {
374357
let res = self
375358
.client
376359
.delete(url)
377-
.headers(self.auth_headers()?)
378360
.send()
379361
.await
380362
.map_err(ClientError::http)?;
@@ -406,7 +388,7 @@ impl MorpheusHttpClient {
406388
pub async fn query_run(
407389
&self,
408390
req: &QueryRequest,
409-
) -> Result<ApiResponse<Vec<CellDto>>, ClientError> {
391+
) -> Result<ApiResponse<QueryResult>, ClientError> {
410392
let url = self.endpoint("/v1/query")?;
411393
let res = self
412394
.client

‎crates/morpheus-http-client/src/types.rs‎

Lines changed: 28 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,5 @@
1+
use std::collections::HashMap;
2+
13
use serde::{Deserialize, Serialize};
24
use serde_json::Value;
35

@@ -44,6 +46,18 @@ pub struct CellDto {
4446
pub data: Value,
4547
}
4648

49+
/// Response from `POST /v1/query`.
50+
///
51+
/// `hit_table` maps base58 cell ID → `"<field_id>:<hit_type>"` → score.
52+
/// `<hit_type>` is one of `"bm25"`, `"embedding"`, or `"vector"`.
53+
/// The map is empty for queries that don't involve any search-index clauses.
54+
#[derive(Debug, Deserialize, Serialize)]
55+
pub struct QueryResult {
56+
pub cells: Vec<CellDto>,
57+
#[serde(default)]
58+
pub hit_table: HashMap<String, HashMap<String, f32>>,
59+
}
60+
4761
// ----------------
4862
// Graph schema types
4963
// ----------------
@@ -205,6 +219,15 @@ pub enum QueryOrdering {
205219
Backward,
206220
}
207221

222+
/// Server-side reranking mode for `/v1/query`.
223+
#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)]
224+
#[serde(rename_all = "snake_case")]
225+
pub enum RerankMode {
226+
/// Reciprocal Rank Fusion (k=60). Requires `order_by_field` to be unset
227+
/// so that index scores are preserved for ranking.
228+
Rrf,
229+
}
230+
208231
#[derive(Debug, Deserialize, Serialize)]
209232
pub struct QueryRequest {
210233
#[serde(flatten)]
@@ -218,6 +241,11 @@ pub struct QueryRequest {
218241
pub limit: Option<usize>,
219242
#[serde(default)]
220243
pub offset: Option<usize>,
244+
/// Optional server-side reranking applied after index scoring.
245+
/// When set to `rrf`, cells are reordered by Reciprocal Rank Fusion
246+
/// across all index hit types before being returned.
247+
#[serde(default, skip_serializing_if = "Option::is_none")]
248+
pub rerank: Option<RerankMode>,
221249
}
222250

223251
#[derive(Debug, Deserialize, Serialize)]

‎references/How to Partition a Billion-Node Graph.pdf‎

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‎references/PowerGraph | Distributed Graph-Parallel Computation on Natural Graphs.pdf‎

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‎references/Trinity.pdf‎

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‎src/graph/query.rs‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -108,6 +108,7 @@ impl GraphEngine {
108108
req.order_by_field,
109109
req.limit,
110110
req.offset,
111+
&mut None,
111112
)
112113
.await
113114
.map_err(internal_error)?;

‎src/http_gateway/cell_schema.rs‎

Lines changed: 1 addition & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@ use serde::Deserialize;
88
use neb::ram::schema::{Field, NewSchemaError, Schema};
99
use neb::ram::types;
1010

11-
use super::types::{require_admin, ApiError, ApiResponse};
11+
use super::types::{ApiError, ApiResponse};
1212
use super::HttpState;
1313

1414
#[derive(Debug, Deserialize)]
@@ -75,10 +75,8 @@ pub async fn get(
7575

7676
pub async fn create(
7777
State(state): State<HttpState>,
78-
headers: HeaderMap,
7978
Json(req): Json<CellSchemaCreateRequest>,
8079
) -> Result<Json<ApiResponse<CellSchemaCreateResponse>>, ApiError> {
81-
require_admin(&headers, &state.admin_token)?;
8280

8381
validate_field_name_ids(&req.fields)?;
8482

@@ -192,10 +190,8 @@ mod tests {
192190

193191
pub async fn delete(
194192
State(state): State<HttpState>,
195-
headers: HeaderMap,
196193
Path(name): Path<String>,
197194
) -> Result<Json<ApiResponse<()>>, ApiError> {
198-
require_admin(&headers, &state.admin_token)?;
199195

200196
state
201197
.server

‎src/http_gateway/cells.rs‎

Lines changed: 1 addition & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@ use super::value::{schema_field_names, HttpValue};
99
use neb::ram::cell::{CellHeader, OwnedCell, ReadError, WriteError};
1010

1111
use super::cell_id::{id_from_base58, id_to_base58};
12-
use super::types::{require_admin, ApiError, ApiResponse};
12+
use super::types::{ApiError, ApiResponse};
1313
use super::HttpState;
1414

1515
#[derive(Debug, Deserialize)]
@@ -51,10 +51,8 @@ pub struct CellWriteResult {
5151

5252
pub async fn get(
5353
State(state): State<HttpState>,
54-
headers: HeaderMap,
5554
Path(id_b58): Path<String>,
5655
) -> Result<Json<ApiResponse<CellDto>>, ApiError> {
57-
require_admin(&headers, &state.admin_token)?;
5856

5957
let id = id_from_base58(&id_b58)?;
6058
let cell = state
@@ -86,11 +84,9 @@ pub async fn get(
8684

8785
pub async fn create(
8886
State(state): State<HttpState>,
89-
headers: HeaderMap,
9087
Path(id_b58): Path<String>,
9188
Json(req): Json<CellWriteRequest>,
9289
) -> Result<Json<ApiResponse<CellWriteResult>>, ApiError> {
93-
require_admin(&headers, &state.admin_token)?;
9490

9591
let id = id_from_base58(&id_b58)?;
9692
let cell = OwnedCell::new_with_id(req.schema_id, &id, req.data.into_inner());
@@ -120,11 +116,9 @@ pub async fn create(
120116

121117
pub async fn upsert(
122118
State(state): State<HttpState>,
123-
headers: HeaderMap,
124119
Path(id_b58): Path<String>,
125120
Json(req): Json<CellWriteRequest>,
126121
) -> Result<Json<ApiResponse<CellWriteResult>>, ApiError> {
127-
require_admin(&headers, &state.admin_token)?;
128122

129123
let id = id_from_base58(&id_b58)?;
130124
let cell = OwnedCell::new_with_id(req.schema_id, &id, req.data.into_inner());
@@ -150,10 +144,8 @@ pub async fn upsert(
150144

151145
pub async fn delete(
152146
State(state): State<HttpState>,
153-
headers: HeaderMap,
154147
Path(id_b58): Path<String>,
155148
) -> Result<Json<ApiResponse<()>>, ApiError> {
156-
require_admin(&headers, &state.admin_token)?;
157149

158150
let id = id_from_base58(&id_b58)?;
159151
let res = state

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