Line data Source code
1 : use std::pin::pin;
2 : use std::sync::Arc;
3 :
4 : use bytes::Bytes;
5 : use futures::future::{select, try_join, Either};
6 : use futures::{StreamExt, TryFutureExt};
7 : use http::header::AUTHORIZATION;
8 : use http::Method;
9 : use http_body_util::combinators::BoxBody;
10 : use http_body_util::{BodyExt, Full};
11 : use hyper::body::Incoming;
12 : use hyper::http::{HeaderName, HeaderValue};
13 : use hyper::{header, HeaderMap, Request, Response, StatusCode};
14 : use postgres_client::error::{DbError, ErrorPosition, SqlState};
15 : use postgres_client::{GenericClient, IsolationLevel, NoTls, ReadyForQueryStatus, Transaction};
16 : use pq_proto::StartupMessageParamsBuilder;
17 : use serde::Serialize;
18 : use serde_json::Value;
19 : use tokio::time::{self, Instant};
20 : use tokio_util::sync::CancellationToken;
21 : use tracing::{debug, error, info};
22 : use typed_json::json;
23 : use url::Url;
24 : use urlencoding;
25 : use utils::http::error::ApiError;
26 : use uuid::Uuid;
27 :
28 : use super::backend::{LocalProxyConnError, PoolingBackend};
29 : use super::conn_pool::{AuthData, ConnInfoWithAuth};
30 : use super::conn_pool_lib::{self, ConnInfo};
31 : use super::error::HttpCodeError;
32 : use super::http_util::json_response;
33 : use super::json::{json_to_pg_text, pg_text_row_to_json, JsonConversionError};
34 : use crate::auth::backend::{ComputeCredentialKeys, ComputeUserInfo};
35 : use crate::auth::{endpoint_sni, ComputeUserInfoParseError};
36 : use crate::config::{AuthenticationConfig, HttpConfig, ProxyConfig, TlsConfig};
37 : use crate::context::RequestContext;
38 : use crate::error::{ErrorKind, ReportableError, UserFacingError};
39 : use crate::http::{read_body_with_limit, ReadBodyError};
40 : use crate::metrics::{HttpDirection, Metrics};
41 : use crate::proxy::{run_until_cancelled, NeonOptions};
42 : use crate::serverless::backend::HttpConnError;
43 : use crate::types::{DbName, RoleName};
44 : use crate::usage_metrics::{MetricCounter, MetricCounterRecorder};
45 :
46 19 : #[derive(serde::Deserialize)]
47 : #[serde(rename_all = "camelCase")]
48 : struct QueryData {
49 : query: String,
50 : #[serde(deserialize_with = "bytes_to_pg_text")]
51 : #[serde(default)]
52 : params: Vec<Option<String>>,
53 : #[serde(default)]
54 : array_mode: Option<bool>,
55 : }
56 :
57 2 : #[derive(serde::Deserialize)]
58 : struct BatchQueryData {
59 : queries: Vec<QueryData>,
60 : }
61 :
62 : #[derive(serde::Deserialize)]
63 : #[serde(untagged)]
64 : enum Payload {
65 : Single(QueryData),
66 : Batch(BatchQueryData),
67 : }
68 :
69 : pub(super) static NEON_REQUEST_ID: HeaderName = HeaderName::from_static("neon-request-id");
70 :
71 : static CONN_STRING: HeaderName = HeaderName::from_static("neon-connection-string");
72 : static RAW_TEXT_OUTPUT: HeaderName = HeaderName::from_static("neon-raw-text-output");
73 : static ARRAY_MODE: HeaderName = HeaderName::from_static("neon-array-mode");
74 : static ALLOW_POOL: HeaderName = HeaderName::from_static("neon-pool-opt-in");
75 : static TXN_ISOLATION_LEVEL: HeaderName = HeaderName::from_static("neon-batch-isolation-level");
76 : static TXN_READ_ONLY: HeaderName = HeaderName::from_static("neon-batch-read-only");
77 : static TXN_DEFERRABLE: HeaderName = HeaderName::from_static("neon-batch-deferrable");
78 :
79 : static HEADER_VALUE_TRUE: HeaderValue = HeaderValue::from_static("true");
80 :
81 3 : fn bytes_to_pg_text<'de, D>(deserializer: D) -> Result<Vec<Option<String>>, D::Error>
82 3 : where
83 3 : D: serde::de::Deserializer<'de>,
84 3 : {
85 : // TODO: consider avoiding the allocation here.
86 3 : let json: Vec<Value> = serde::de::Deserialize::deserialize(deserializer)?;
87 3 : Ok(json_to_pg_text(json))
88 3 : }
89 :
90 : #[derive(Debug, thiserror::Error)]
91 : pub(crate) enum ConnInfoError {
92 : #[error("invalid header: {0}")]
93 : InvalidHeader(&'static HeaderName),
94 : #[error("invalid connection string: {0}")]
95 : UrlParseError(#[from] url::ParseError),
96 : #[error("incorrect scheme")]
97 : IncorrectScheme,
98 : #[error("missing database name")]
99 : MissingDbName,
100 : #[error("invalid database name")]
101 : InvalidDbName,
102 : #[error("missing username")]
103 : MissingUsername,
104 : #[error("invalid username: {0}")]
105 : InvalidUsername(#[from] std::string::FromUtf8Error),
106 : #[error("missing authentication credentials: {0}")]
107 : MissingCredentials(Credentials),
108 : #[error("missing hostname")]
109 : MissingHostname,
110 : #[error("invalid hostname: {0}")]
111 : InvalidEndpoint(#[from] ComputeUserInfoParseError),
112 : #[error("malformed endpoint")]
113 : MalformedEndpoint,
114 : }
115 :
116 : #[derive(Debug, thiserror::Error)]
117 : pub(crate) enum Credentials {
118 : #[error("required password")]
119 : Password,
120 : #[error("required authorization bearer token in JWT format")]
121 : BearerJwt,
122 : }
123 :
124 : impl ReportableError for ConnInfoError {
125 0 : fn get_error_kind(&self) -> ErrorKind {
126 0 : ErrorKind::User
127 0 : }
128 : }
129 :
130 : impl UserFacingError for ConnInfoError {
131 0 : fn to_string_client(&self) -> String {
132 0 : self.to_string()
133 0 : }
134 : }
135 :
136 0 : fn get_conn_info(
137 0 : config: &'static AuthenticationConfig,
138 0 : ctx: &RequestContext,
139 0 : headers: &HeaderMap,
140 0 : tls: Option<&TlsConfig>,
141 0 : ) -> Result<ConnInfoWithAuth, ConnInfoError> {
142 0 : let connection_string = headers
143 0 : .get(&CONN_STRING)
144 0 : .ok_or(ConnInfoError::InvalidHeader(&CONN_STRING))?
145 0 : .to_str()
146 0 : .map_err(|_| ConnInfoError::InvalidHeader(&CONN_STRING))?;
147 :
148 0 : let connection_url = Url::parse(connection_string)?;
149 :
150 0 : let protocol = connection_url.scheme();
151 0 : if protocol != "postgres" && protocol != "postgresql" {
152 0 : return Err(ConnInfoError::IncorrectScheme);
153 0 : }
154 :
155 0 : let mut url_path = connection_url
156 0 : .path_segments()
157 0 : .ok_or(ConnInfoError::MissingDbName)?;
158 :
159 0 : let dbname: DbName =
160 0 : urlencoding::decode(url_path.next().ok_or(ConnInfoError::InvalidDbName)?)?.into();
161 0 : ctx.set_dbname(dbname.clone());
162 :
163 0 : let username = RoleName::from(urlencoding::decode(connection_url.username())?);
164 0 : if username.is_empty() {
165 0 : return Err(ConnInfoError::MissingUsername);
166 0 : }
167 0 : ctx.set_user(username.clone());
168 :
169 0 : let auth = if let Some(auth) = headers.get(&AUTHORIZATION) {
170 0 : if !config.accept_jwts {
171 0 : return Err(ConnInfoError::MissingCredentials(Credentials::Password));
172 0 : }
173 :
174 0 : let auth = auth
175 0 : .to_str()
176 0 : .map_err(|_| ConnInfoError::InvalidHeader(&AUTHORIZATION))?;
177 : AuthData::Jwt(
178 0 : auth.strip_prefix("Bearer ")
179 0 : .ok_or(ConnInfoError::MissingCredentials(Credentials::BearerJwt))?
180 0 : .into(),
181 : )
182 0 : } else if let Some(pass) = connection_url.password() {
183 : // wrong credentials provided
184 0 : if config.accept_jwts {
185 0 : return Err(ConnInfoError::MissingCredentials(Credentials::BearerJwt));
186 0 : }
187 0 :
188 0 : AuthData::Password(match urlencoding::decode_binary(pass.as_bytes()) {
189 0 : std::borrow::Cow::Borrowed(b) => b.into(),
190 0 : std::borrow::Cow::Owned(b) => b.into(),
191 : })
192 0 : } else if config.accept_jwts {
193 0 : return Err(ConnInfoError::MissingCredentials(Credentials::BearerJwt));
194 : } else {
195 0 : return Err(ConnInfoError::MissingCredentials(Credentials::Password));
196 : };
197 :
198 0 : let endpoint = match connection_url.host() {
199 0 : Some(url::Host::Domain(hostname)) => {
200 0 : if let Some(tls) = tls {
201 0 : endpoint_sni(hostname, &tls.common_names)?
202 0 : .ok_or(ConnInfoError::MalformedEndpoint)?
203 : } else {
204 0 : hostname
205 0 : .split_once('.')
206 0 : .map_or(hostname, |(prefix, _)| prefix)
207 0 : .into()
208 : }
209 : }
210 : Some(url::Host::Ipv4(_) | url::Host::Ipv6(_)) | None => {
211 0 : return Err(ConnInfoError::MissingHostname)
212 : }
213 : };
214 0 : ctx.set_endpoint_id(endpoint.clone());
215 0 :
216 0 : let pairs = connection_url.query_pairs();
217 0 :
218 0 : let mut options = Option::None;
219 0 :
220 0 : let mut params = StartupMessageParamsBuilder::default();
221 0 : params.insert("user", &username);
222 0 : params.insert("database", &dbname);
223 0 : for (key, value) in pairs {
224 0 : params.insert(&key, &value);
225 0 : if key == "options" {
226 0 : options = Some(NeonOptions::parse_options_raw(&value));
227 0 : }
228 : }
229 :
230 0 : let user_info = ComputeUserInfo {
231 0 : endpoint,
232 0 : user: username,
233 0 : options: options.unwrap_or_default(),
234 0 : };
235 0 :
236 0 : let conn_info = ConnInfo { user_info, dbname };
237 0 : Ok(ConnInfoWithAuth { conn_info, auth })
238 0 : }
239 :
240 0 : pub(crate) async fn handle(
241 0 : config: &'static ProxyConfig,
242 0 : ctx: RequestContext,
243 0 : request: Request<Incoming>,
244 0 : backend: Arc<PoolingBackend>,
245 0 : cancel: CancellationToken,
246 0 : ) -> Result<Response<BoxBody<Bytes, hyper::Error>>, ApiError> {
247 0 : let result = handle_inner(cancel, config, &ctx, request, backend).await;
248 :
249 0 : let mut response = match result {
250 0 : Ok(r) => {
251 0 : ctx.set_success();
252 0 : r
253 : }
254 0 : Err(e @ SqlOverHttpError::Cancelled(_)) => {
255 0 : let error_kind = e.get_error_kind();
256 0 : ctx.set_error_kind(error_kind);
257 0 :
258 0 : let message = "Query cancelled, connection was terminated";
259 0 :
260 0 : tracing::info!(
261 0 : kind=error_kind.to_metric_label(),
262 0 : error=%e,
263 0 : msg=message,
264 0 : "forwarding error to user"
265 : );
266 :
267 0 : json_response(
268 0 : StatusCode::BAD_REQUEST,
269 0 : json!({ "message": message, "code": SqlState::PROTOCOL_VIOLATION.code() }),
270 0 : )?
271 : }
272 0 : Err(e) => {
273 0 : let error_kind = e.get_error_kind();
274 0 : ctx.set_error_kind(error_kind);
275 0 :
276 0 : let mut message = e.to_string_client();
277 0 : let db_error = match &e {
278 0 : SqlOverHttpError::ConnectCompute(HttpConnError::PostgresConnectionError(e))
279 0 : | SqlOverHttpError::Postgres(e) => e.as_db_error(),
280 0 : _ => None,
281 : };
282 0 : fn get<'a, T: Default>(db: Option<&'a DbError>, x: impl FnOnce(&'a DbError) -> T) -> T {
283 0 : db.map(x).unwrap_or_default()
284 0 : }
285 :
286 0 : if let Some(db_error) = db_error {
287 0 : db_error.message().clone_into(&mut message);
288 0 : }
289 :
290 0 : let position = db_error.and_then(|db| db.position());
291 0 : let (position, internal_position, internal_query) = match position {
292 0 : Some(ErrorPosition::Original(position)) => (Some(position.to_string()), None, None),
293 0 : Some(ErrorPosition::Internal { position, query }) => {
294 0 : (None, Some(position.to_string()), Some(query.clone()))
295 : }
296 0 : None => (None, None, None),
297 : };
298 :
299 0 : let code = get(db_error, |db| db.code().code());
300 0 : let severity = get(db_error, |db| db.severity());
301 0 : let detail = get(db_error, |db| db.detail());
302 0 : let hint = get(db_error, |db| db.hint());
303 0 : let where_ = get(db_error, |db| db.where_());
304 0 : let table = get(db_error, |db| db.table());
305 0 : let column = get(db_error, |db| db.column());
306 0 : let schema = get(db_error, |db| db.schema());
307 0 : let datatype = get(db_error, |db| db.datatype());
308 0 : let constraint = get(db_error, |db| db.constraint());
309 0 : let file = get(db_error, |db| db.file());
310 0 : let line = get(db_error, |db| db.line().map(|l| l.to_string()));
311 0 : let routine = get(db_error, |db| db.routine());
312 0 :
313 0 : tracing::info!(
314 0 : kind=error_kind.to_metric_label(),
315 0 : error=%e,
316 0 : msg=message,
317 0 : "forwarding error to user"
318 : );
319 :
320 0 : json_response(
321 0 : e.get_http_status_code(),
322 0 : json!({
323 0 : "message": message,
324 0 : "code": code,
325 0 : "detail": detail,
326 0 : "hint": hint,
327 0 : "position": position,
328 0 : "internalPosition": internal_position,
329 0 : "internalQuery": internal_query,
330 0 : "severity": severity,
331 0 : "where": where_,
332 0 : "table": table,
333 0 : "column": column,
334 0 : "schema": schema,
335 0 : "dataType": datatype,
336 0 : "constraint": constraint,
337 0 : "file": file,
338 0 : "line": line,
339 0 : "routine": routine,
340 0 : }),
341 0 : )?
342 : }
343 : };
344 :
345 0 : response
346 0 : .headers_mut()
347 0 : .insert("Access-Control-Allow-Origin", HeaderValue::from_static("*"));
348 0 : Ok(response)
349 0 : }
350 :
351 : #[derive(Debug, thiserror::Error)]
352 : pub(crate) enum SqlOverHttpError {
353 : #[error("{0}")]
354 : ReadPayload(#[from] ReadPayloadError),
355 : #[error("{0}")]
356 : ConnectCompute(#[from] HttpConnError),
357 : #[error("{0}")]
358 : ConnInfo(#[from] ConnInfoError),
359 : #[error("response is too large (max is {0} bytes)")]
360 : ResponseTooLarge(usize),
361 : #[error("invalid isolation level")]
362 : InvalidIsolationLevel,
363 : #[error("{0}")]
364 : Postgres(#[from] postgres_client::Error),
365 : #[error("{0}")]
366 : JsonConversion(#[from] JsonConversionError),
367 : #[error("{0}")]
368 : Cancelled(SqlOverHttpCancel),
369 : }
370 :
371 : impl ReportableError for SqlOverHttpError {
372 0 : fn get_error_kind(&self) -> ErrorKind {
373 0 : match self {
374 0 : SqlOverHttpError::ReadPayload(e) => e.get_error_kind(),
375 0 : SqlOverHttpError::ConnectCompute(e) => e.get_error_kind(),
376 0 : SqlOverHttpError::ConnInfo(e) => e.get_error_kind(),
377 0 : SqlOverHttpError::ResponseTooLarge(_) => ErrorKind::User,
378 0 : SqlOverHttpError::InvalidIsolationLevel => ErrorKind::User,
379 0 : SqlOverHttpError::Postgres(p) => p.get_error_kind(),
380 0 : SqlOverHttpError::JsonConversion(_) => ErrorKind::Postgres,
381 0 : SqlOverHttpError::Cancelled(c) => c.get_error_kind(),
382 : }
383 0 : }
384 : }
385 :
386 : impl UserFacingError for SqlOverHttpError {
387 0 : fn to_string_client(&self) -> String {
388 0 : match self {
389 0 : SqlOverHttpError::ReadPayload(p) => p.to_string(),
390 0 : SqlOverHttpError::ConnectCompute(c) => c.to_string_client(),
391 0 : SqlOverHttpError::ConnInfo(c) => c.to_string_client(),
392 0 : SqlOverHttpError::ResponseTooLarge(_) => self.to_string(),
393 0 : SqlOverHttpError::InvalidIsolationLevel => self.to_string(),
394 0 : SqlOverHttpError::Postgres(p) => p.to_string(),
395 0 : SqlOverHttpError::JsonConversion(_) => "could not parse postgres response".to_string(),
396 0 : SqlOverHttpError::Cancelled(_) => self.to_string(),
397 : }
398 0 : }
399 : }
400 :
401 : impl HttpCodeError for SqlOverHttpError {
402 0 : fn get_http_status_code(&self) -> StatusCode {
403 0 : match self {
404 0 : SqlOverHttpError::ReadPayload(e) => e.get_http_status_code(),
405 0 : SqlOverHttpError::ConnectCompute(h) => match h.get_error_kind() {
406 0 : ErrorKind::User => StatusCode::BAD_REQUEST,
407 0 : _ => StatusCode::INTERNAL_SERVER_ERROR,
408 : },
409 0 : SqlOverHttpError::ConnInfo(_) => StatusCode::BAD_REQUEST,
410 0 : SqlOverHttpError::ResponseTooLarge(_) => StatusCode::INSUFFICIENT_STORAGE,
411 0 : SqlOverHttpError::InvalidIsolationLevel => StatusCode::BAD_REQUEST,
412 0 : SqlOverHttpError::Postgres(_) => StatusCode::BAD_REQUEST,
413 0 : SqlOverHttpError::JsonConversion(_) => StatusCode::INTERNAL_SERVER_ERROR,
414 0 : SqlOverHttpError::Cancelled(_) => StatusCode::INTERNAL_SERVER_ERROR,
415 : }
416 0 : }
417 : }
418 :
419 : #[derive(Debug, thiserror::Error)]
420 : pub(crate) enum ReadPayloadError {
421 : #[error("could not read the HTTP request body: {0}")]
422 : Read(#[from] hyper::Error),
423 : #[error("request is too large (max is {limit} bytes)")]
424 : BodyTooLarge { limit: usize },
425 : #[error("could not parse the HTTP request body: {0}")]
426 : Parse(#[from] serde_json::Error),
427 : }
428 :
429 : impl From<ReadBodyError<hyper::Error>> for ReadPayloadError {
430 0 : fn from(value: ReadBodyError<hyper::Error>) -> Self {
431 0 : match value {
432 0 : ReadBodyError::BodyTooLarge { limit } => Self::BodyTooLarge { limit },
433 0 : ReadBodyError::Read(e) => Self::Read(e),
434 : }
435 0 : }
436 : }
437 :
438 : impl ReportableError for ReadPayloadError {
439 0 : fn get_error_kind(&self) -> ErrorKind {
440 0 : match self {
441 0 : ReadPayloadError::Read(_) => ErrorKind::ClientDisconnect,
442 0 : ReadPayloadError::BodyTooLarge { .. } => ErrorKind::User,
443 0 : ReadPayloadError::Parse(_) => ErrorKind::User,
444 : }
445 0 : }
446 : }
447 :
448 : impl HttpCodeError for ReadPayloadError {
449 0 : fn get_http_status_code(&self) -> StatusCode {
450 0 : match self {
451 0 : ReadPayloadError::Read(_) => StatusCode::BAD_REQUEST,
452 0 : ReadPayloadError::BodyTooLarge { .. } => StatusCode::PAYLOAD_TOO_LARGE,
453 0 : ReadPayloadError::Parse(_) => StatusCode::BAD_REQUEST,
454 : }
455 0 : }
456 : }
457 :
458 : #[derive(Debug, thiserror::Error)]
459 : pub(crate) enum SqlOverHttpCancel {
460 : #[error("query was cancelled")]
461 : Postgres,
462 : #[error("query was cancelled while stuck trying to connect to the database")]
463 : Connect,
464 : }
465 :
466 : impl ReportableError for SqlOverHttpCancel {
467 0 : fn get_error_kind(&self) -> ErrorKind {
468 0 : match self {
469 0 : SqlOverHttpCancel::Postgres => ErrorKind::ClientDisconnect,
470 0 : SqlOverHttpCancel::Connect => ErrorKind::ClientDisconnect,
471 : }
472 0 : }
473 : }
474 :
475 : #[derive(Clone, Copy, Debug)]
476 : struct HttpHeaders {
477 : raw_output: bool,
478 : default_array_mode: bool,
479 : txn_isolation_level: Option<IsolationLevel>,
480 : txn_read_only: bool,
481 : txn_deferrable: bool,
482 : }
483 :
484 : impl HttpHeaders {
485 0 : fn try_parse(headers: &hyper::http::HeaderMap) -> Result<Self, SqlOverHttpError> {
486 0 : // Determine the output options. Default behaviour is 'false'. Anything that is not
487 0 : // strictly 'true' assumed to be false.
488 0 : let raw_output = headers.get(&RAW_TEXT_OUTPUT) == Some(&HEADER_VALUE_TRUE);
489 0 : let default_array_mode = headers.get(&ARRAY_MODE) == Some(&HEADER_VALUE_TRUE);
490 :
491 : // isolation level, read only and deferrable
492 0 : let txn_isolation_level = match headers.get(&TXN_ISOLATION_LEVEL) {
493 0 : Some(x) => Some(
494 0 : map_header_to_isolation_level(x).ok_or(SqlOverHttpError::InvalidIsolationLevel)?,
495 : ),
496 0 : None => None,
497 : };
498 :
499 0 : let txn_read_only = headers.get(&TXN_READ_ONLY) == Some(&HEADER_VALUE_TRUE);
500 0 : let txn_deferrable = headers.get(&TXN_DEFERRABLE) == Some(&HEADER_VALUE_TRUE);
501 0 :
502 0 : Ok(Self {
503 0 : raw_output,
504 0 : default_array_mode,
505 0 : txn_isolation_level,
506 0 : txn_read_only,
507 0 : txn_deferrable,
508 0 : })
509 0 : }
510 : }
511 :
512 0 : fn map_header_to_isolation_level(level: &HeaderValue) -> Option<IsolationLevel> {
513 0 : match level.as_bytes() {
514 0 : b"Serializable" => Some(IsolationLevel::Serializable),
515 0 : b"ReadUncommitted" => Some(IsolationLevel::ReadUncommitted),
516 0 : b"ReadCommitted" => Some(IsolationLevel::ReadCommitted),
517 0 : b"RepeatableRead" => Some(IsolationLevel::RepeatableRead),
518 0 : _ => None,
519 : }
520 0 : }
521 :
522 0 : fn map_isolation_level_to_headers(level: IsolationLevel) -> Option<HeaderValue> {
523 0 : match level {
524 0 : IsolationLevel::ReadUncommitted => Some(HeaderValue::from_static("ReadUncommitted")),
525 0 : IsolationLevel::ReadCommitted => Some(HeaderValue::from_static("ReadCommitted")),
526 0 : IsolationLevel::RepeatableRead => Some(HeaderValue::from_static("RepeatableRead")),
527 0 : IsolationLevel::Serializable => Some(HeaderValue::from_static("Serializable")),
528 0 : _ => None,
529 : }
530 0 : }
531 :
532 0 : async fn handle_inner(
533 0 : cancel: CancellationToken,
534 0 : config: &'static ProxyConfig,
535 0 : ctx: &RequestContext,
536 0 : request: Request<Incoming>,
537 0 : backend: Arc<PoolingBackend>,
538 0 : ) -> Result<Response<BoxBody<Bytes, hyper::Error>>, SqlOverHttpError> {
539 0 : let _requeset_gauge = Metrics::get()
540 0 : .proxy
541 0 : .connection_requests
542 0 : .guard(ctx.protocol());
543 0 : info!(
544 0 : protocol = %ctx.protocol(),
545 0 : "handling interactive connection from client"
546 : );
547 :
548 0 : let conn_info = get_conn_info(
549 0 : &config.authentication_config,
550 0 : ctx,
551 0 : request.headers(),
552 0 : config.tls_config.as_ref(),
553 0 : )?;
554 0 : info!(
555 0 : user = conn_info.conn_info.user_info.user.as_str(),
556 0 : "credentials"
557 : );
558 :
559 0 : match conn_info.auth {
560 0 : AuthData::Jwt(jwt) if config.authentication_config.is_auth_broker => {
561 0 : handle_auth_broker_inner(ctx, request, conn_info.conn_info, jwt, backend).await
562 : }
563 0 : auth => {
564 0 : handle_db_inner(
565 0 : cancel,
566 0 : config,
567 0 : ctx,
568 0 : request,
569 0 : conn_info.conn_info,
570 0 : auth,
571 0 : backend,
572 0 : )
573 0 : .await
574 : }
575 : }
576 0 : }
577 :
578 0 : async fn handle_db_inner(
579 0 : cancel: CancellationToken,
580 0 : config: &'static ProxyConfig,
581 0 : ctx: &RequestContext,
582 0 : request: Request<Incoming>,
583 0 : conn_info: ConnInfo,
584 0 : auth: AuthData,
585 0 : backend: Arc<PoolingBackend>,
586 0 : ) -> Result<Response<BoxBody<Bytes, hyper::Error>>, SqlOverHttpError> {
587 0 : //
588 0 : // Determine the destination and connection params
589 0 : //
590 0 : let headers = request.headers();
591 :
592 : // Allow connection pooling only if explicitly requested
593 : // or if we have decided that http pool is no longer opt-in
594 0 : let allow_pool = !config.http_config.pool_options.opt_in
595 0 : || headers.get(&ALLOW_POOL) == Some(&HEADER_VALUE_TRUE);
596 :
597 0 : let parsed_headers = HttpHeaders::try_parse(headers)?;
598 :
599 0 : let fetch_and_process_request = Box::pin(
600 0 : async {
601 0 : let body = read_body_with_limit(
602 0 : request.into_body(),
603 0 : config.http_config.max_request_size_bytes,
604 0 : )
605 0 : .await?;
606 :
607 0 : Metrics::get()
608 0 : .proxy
609 0 : .http_conn_content_length_bytes
610 0 : .observe(HttpDirection::Request, body.len() as f64);
611 0 :
612 0 : debug!(length = body.len(), "request payload read");
613 0 : let payload: Payload = serde_json::from_slice(&body)?;
614 0 : Ok::<Payload, ReadPayloadError>(payload) // Adjust error type accordingly
615 0 : }
616 0 : .map_err(SqlOverHttpError::from),
617 0 : );
618 0 :
619 0 : let authenticate_and_connect = Box::pin(
620 0 : async {
621 0 : let is_local_proxy = matches!(backend.auth_backend, crate::auth::Backend::Local(_));
622 :
623 0 : let keys = match auth {
624 0 : AuthData::Password(pw) => {
625 0 : backend
626 0 : .authenticate_with_password(ctx, &conn_info.user_info, &pw)
627 0 : .await?
628 : }
629 0 : AuthData::Jwt(jwt) => {
630 0 : backend
631 0 : .authenticate_with_jwt(ctx, &conn_info.user_info, jwt)
632 0 : .await?
633 : }
634 : };
635 :
636 0 : let client = match keys.keys {
637 0 : ComputeCredentialKeys::JwtPayload(payload) if is_local_proxy => {
638 0 : let mut client = backend.connect_to_local_postgres(ctx, conn_info).await?;
639 0 : let (cli_inner, _dsc) = client.client_inner();
640 0 : cli_inner.set_jwt_session(&payload).await?;
641 0 : Client::Local(client)
642 : }
643 : _ => {
644 0 : let client = backend
645 0 : .connect_to_compute(ctx, conn_info, keys, !allow_pool)
646 0 : .await?;
647 0 : Client::Remote(client)
648 : }
649 : };
650 :
651 : // not strictly necessary to mark success here,
652 : // but it's just insurance for if we forget it somewhere else
653 0 : ctx.success();
654 0 : Ok::<_, HttpConnError>(client)
655 0 : }
656 0 : .map_err(SqlOverHttpError::from),
657 0 : );
658 :
659 0 : let (payload, mut client) = match run_until_cancelled(
660 0 : // Run both operations in parallel
661 0 : try_join(
662 0 : pin!(fetch_and_process_request),
663 0 : pin!(authenticate_and_connect),
664 0 : ),
665 0 : &cancel,
666 0 : )
667 0 : .await
668 : {
669 0 : Some(result) => result?,
670 0 : None => return Err(SqlOverHttpError::Cancelled(SqlOverHttpCancel::Connect)),
671 : };
672 :
673 0 : let mut response = Response::builder()
674 0 : .status(StatusCode::OK)
675 0 : .header(header::CONTENT_TYPE, "application/json");
676 :
677 : // Now execute the query and return the result.
678 0 : let json_output = match payload {
679 0 : Payload::Single(stmt) => {
680 0 : stmt.process(&config.http_config, cancel, &mut client, parsed_headers)
681 0 : .await?
682 : }
683 0 : Payload::Batch(statements) => {
684 0 : if parsed_headers.txn_read_only {
685 0 : response = response.header(TXN_READ_ONLY.clone(), &HEADER_VALUE_TRUE);
686 0 : }
687 0 : if parsed_headers.txn_deferrable {
688 0 : response = response.header(TXN_DEFERRABLE.clone(), &HEADER_VALUE_TRUE);
689 0 : }
690 0 : if let Some(txn_isolation_level) = parsed_headers
691 0 : .txn_isolation_level
692 0 : .and_then(map_isolation_level_to_headers)
693 0 : {
694 0 : response = response.header(TXN_ISOLATION_LEVEL.clone(), txn_isolation_level);
695 0 : }
696 :
697 0 : statements
698 0 : .process(&config.http_config, cancel, &mut client, parsed_headers)
699 0 : .await?
700 : }
701 : };
702 :
703 0 : let metrics = client.metrics();
704 0 :
705 0 : let len = json_output.len();
706 0 : let response = response
707 0 : .body(
708 0 : Full::new(Bytes::from(json_output))
709 0 : .map_err(|x| match x {})
710 0 : .boxed(),
711 0 : )
712 0 : // only fails if invalid status code or invalid header/values are given.
713 0 : // these are not user configurable so it cannot fail dynamically
714 0 : .expect("building response payload should not fail");
715 0 :
716 0 : // count the egress bytes - we miss the TLS and header overhead but oh well...
717 0 : // moving this later in the stack is going to be a lot of effort and ehhhh
718 0 : metrics.record_egress(len as u64);
719 0 : Metrics::get()
720 0 : .proxy
721 0 : .http_conn_content_length_bytes
722 0 : .observe(HttpDirection::Response, len as f64);
723 0 :
724 0 : Ok(response)
725 0 : }
726 :
727 : static HEADERS_TO_FORWARD: &[&HeaderName] = &[
728 : &AUTHORIZATION,
729 : &CONN_STRING,
730 : &RAW_TEXT_OUTPUT,
731 : &ARRAY_MODE,
732 : &TXN_ISOLATION_LEVEL,
733 : &TXN_READ_ONLY,
734 : &TXN_DEFERRABLE,
735 : ];
736 :
737 0 : pub(crate) fn uuid_to_header_value(id: Uuid) -> HeaderValue {
738 0 : let mut uuid = [0; uuid::fmt::Hyphenated::LENGTH];
739 0 : HeaderValue::from_str(id.as_hyphenated().encode_lower(&mut uuid[..]))
740 0 : .expect("uuid hyphenated format should be all valid header characters")
741 0 : }
742 :
743 0 : async fn handle_auth_broker_inner(
744 0 : ctx: &RequestContext,
745 0 : request: Request<Incoming>,
746 0 : conn_info: ConnInfo,
747 0 : jwt: String,
748 0 : backend: Arc<PoolingBackend>,
749 0 : ) -> Result<Response<BoxBody<Bytes, hyper::Error>>, SqlOverHttpError> {
750 0 : backend
751 0 : .authenticate_with_jwt(ctx, &conn_info.user_info, jwt)
752 0 : .await
753 0 : .map_err(HttpConnError::from)?;
754 :
755 0 : let mut client = backend.connect_to_local_proxy(ctx, conn_info).await?;
756 :
757 0 : let local_proxy_uri = ::http::Uri::from_static("http://proxy.local/sql");
758 0 :
759 0 : let (mut parts, body) = request.into_parts();
760 0 : let mut req = Request::builder().method(Method::POST).uri(local_proxy_uri);
761 :
762 : // todo(conradludgate): maybe auth-broker should parse these and re-serialize
763 : // these instead just to ensure they remain normalised.
764 0 : for &h in HEADERS_TO_FORWARD {
765 0 : if let Some(hv) = parts.headers.remove(h) {
766 0 : req = req.header(h, hv);
767 0 : }
768 : }
769 0 : req = req.header(&NEON_REQUEST_ID, uuid_to_header_value(ctx.session_id()));
770 0 :
771 0 : let req = req
772 0 : .body(body)
773 0 : .expect("all headers and params received via hyper should be valid for request");
774 0 :
775 0 : // todo: map body to count egress
776 0 : let _metrics = client.metrics();
777 0 :
778 0 : Ok(client
779 0 : .inner
780 0 : .inner
781 0 : .send_request(req)
782 0 : .await
783 0 : .map_err(LocalProxyConnError::from)
784 0 : .map_err(HttpConnError::from)?
785 0 : .map(|b| b.boxed()))
786 0 : }
787 :
788 : impl QueryData {
789 0 : async fn process(
790 0 : self,
791 0 : config: &'static HttpConfig,
792 0 : cancel: CancellationToken,
793 0 : client: &mut Client,
794 0 : parsed_headers: HttpHeaders,
795 0 : ) -> Result<String, SqlOverHttpError> {
796 0 : let (inner, mut discard) = client.inner();
797 0 : let cancel_token = inner.cancel_token();
798 :
799 0 : let res = match select(
800 0 : pin!(query_to_json(config, &*inner, self, &mut 0, parsed_headers)),
801 0 : pin!(cancel.cancelled()),
802 0 : )
803 0 : .await
804 : {
805 : // The query successfully completed.
806 0 : Either::Left((Ok((status, results)), __not_yet_cancelled)) => {
807 0 : discard.check_idle(status);
808 0 :
809 0 : let json_output =
810 0 : serde_json::to_string(&results).expect("json serialization should not fail");
811 0 : Ok(json_output)
812 : }
813 : // The query failed with an error
814 0 : Either::Left((Err(e), __not_yet_cancelled)) => {
815 0 : discard.discard();
816 0 : return Err(e);
817 : }
818 : // The query was cancelled.
819 0 : Either::Right((_cancelled, query)) => {
820 0 : tracing::info!("cancelling query");
821 0 : if let Err(err) = cancel_token.cancel_query(NoTls).await {
822 0 : tracing::warn!(?err, "could not cancel query");
823 0 : }
824 : // wait for the query cancellation
825 0 : match time::timeout(time::Duration::from_millis(100), query).await {
826 : // query successed before it was cancelled.
827 0 : Ok(Ok((status, results))) => {
828 0 : discard.check_idle(status);
829 0 :
830 0 : let json_output = serde_json::to_string(&results)
831 0 : .expect("json serialization should not fail");
832 0 : Ok(json_output)
833 : }
834 : // query failed or was cancelled.
835 0 : Ok(Err(error)) => {
836 0 : let db_error = match &error {
837 : SqlOverHttpError::ConnectCompute(
838 0 : HttpConnError::PostgresConnectionError(e),
839 : )
840 0 : | SqlOverHttpError::Postgres(e) => e.as_db_error(),
841 0 : _ => None,
842 : };
843 :
844 : // if errored for some other reason, it might not be safe to return
845 0 : if !db_error.is_some_and(|e| *e.code() == SqlState::QUERY_CANCELED) {
846 0 : discard.discard();
847 0 : }
848 :
849 0 : Err(SqlOverHttpError::Cancelled(SqlOverHttpCancel::Postgres))
850 : }
851 0 : Err(_timeout) => {
852 0 : discard.discard();
853 0 : Err(SqlOverHttpError::Cancelled(SqlOverHttpCancel::Postgres))
854 : }
855 : }
856 : }
857 : };
858 0 : res
859 0 : }
860 : }
861 :
862 : impl BatchQueryData {
863 0 : async fn process(
864 0 : self,
865 0 : config: &'static HttpConfig,
866 0 : cancel: CancellationToken,
867 0 : client: &mut Client,
868 0 : parsed_headers: HttpHeaders,
869 0 : ) -> Result<String, SqlOverHttpError> {
870 0 : info!("starting transaction");
871 0 : let (inner, mut discard) = client.inner();
872 0 : let cancel_token = inner.cancel_token();
873 0 : let mut builder = inner.build_transaction();
874 0 : if let Some(isolation_level) = parsed_headers.txn_isolation_level {
875 0 : builder = builder.isolation_level(isolation_level);
876 0 : }
877 0 : if parsed_headers.txn_read_only {
878 0 : builder = builder.read_only(true);
879 0 : }
880 0 : if parsed_headers.txn_deferrable {
881 0 : builder = builder.deferrable(true);
882 0 : }
883 :
884 0 : let transaction = builder.start().await.inspect_err(|_| {
885 0 : // if we cannot start a transaction, we should return immediately
886 0 : // and not return to the pool. connection is clearly broken
887 0 : discard.discard();
888 0 : })?;
889 :
890 0 : let json_output = match query_batch(
891 0 : config,
892 0 : cancel.child_token(),
893 0 : &transaction,
894 0 : self,
895 0 : parsed_headers,
896 0 : )
897 0 : .await
898 : {
899 0 : Ok(json_output) => {
900 0 : info!("commit");
901 0 : let status = transaction.commit().await.inspect_err(|_| {
902 0 : // if we cannot commit - for now don't return connection to pool
903 0 : // TODO: get a query status from the error
904 0 : discard.discard();
905 0 : })?;
906 0 : discard.check_idle(status);
907 0 : json_output
908 : }
909 : Err(SqlOverHttpError::Cancelled(_)) => {
910 0 : if let Err(err) = cancel_token.cancel_query(NoTls).await {
911 0 : tracing::warn!(?err, "could not cancel query");
912 0 : }
913 : // TODO: after cancelling, wait to see if we can get a status. maybe the connection is still safe.
914 0 : discard.discard();
915 0 :
916 0 : return Err(SqlOverHttpError::Cancelled(SqlOverHttpCancel::Postgres));
917 : }
918 0 : Err(err) => {
919 0 : info!("rollback");
920 0 : let status = transaction.rollback().await.inspect_err(|_| {
921 0 : // if we cannot rollback - for now don't return connection to pool
922 0 : // TODO: get a query status from the error
923 0 : discard.discard();
924 0 : })?;
925 0 : discard.check_idle(status);
926 0 : return Err(err);
927 : }
928 : };
929 :
930 0 : Ok(json_output)
931 0 : }
932 : }
933 :
934 0 : async fn query_batch(
935 0 : config: &'static HttpConfig,
936 0 : cancel: CancellationToken,
937 0 : transaction: &Transaction<'_>,
938 0 : queries: BatchQueryData,
939 0 : parsed_headers: HttpHeaders,
940 0 : ) -> Result<String, SqlOverHttpError> {
941 0 : let mut results = Vec::with_capacity(queries.queries.len());
942 0 : let mut current_size = 0;
943 0 : for stmt in queries.queries {
944 0 : let query = pin!(query_to_json(
945 0 : config,
946 0 : transaction,
947 0 : stmt,
948 0 : &mut current_size,
949 0 : parsed_headers,
950 0 : ));
951 0 : let cancelled = pin!(cancel.cancelled());
952 0 : let res = select(query, cancelled).await;
953 0 : match res {
954 : // TODO: maybe we should check that the transaction bit is set here
955 0 : Either::Left((Ok((_, values)), _cancelled)) => {
956 0 : results.push(values);
957 0 : }
958 0 : Either::Left((Err(e), _cancelled)) => {
959 0 : return Err(e);
960 : }
961 0 : Either::Right((_cancelled, _)) => {
962 0 : return Err(SqlOverHttpError::Cancelled(SqlOverHttpCancel::Postgres));
963 : }
964 : }
965 : }
966 :
967 0 : let results = json!({ "results": results });
968 0 : let json_output = serde_json::to_string(&results).expect("json serialization should not fail");
969 0 :
970 0 : Ok(json_output)
971 0 : }
972 :
973 0 : async fn query_to_json<T: GenericClient>(
974 0 : config: &'static HttpConfig,
975 0 : client: &T,
976 0 : data: QueryData,
977 0 : current_size: &mut usize,
978 0 : parsed_headers: HttpHeaders,
979 0 : ) -> Result<(ReadyForQueryStatus, impl Serialize), SqlOverHttpError> {
980 0 : let query_start = Instant::now();
981 0 :
982 0 : let query_params = data.params;
983 0 : let mut row_stream = std::pin::pin!(client.query_raw_txt(&data.query, query_params).await?);
984 0 : let query_acknowledged = Instant::now();
985 0 :
986 0 : // Manually drain the stream into a vector to leave row_stream hanging
987 0 : // around to get a command tag. Also check that the response is not too
988 0 : // big.
989 0 : let mut rows: Vec<postgres_client::Row> = Vec::new();
990 0 : while let Some(row) = row_stream.next().await {
991 0 : let row = row?;
992 0 : *current_size += row.body_len();
993 0 : rows.push(row);
994 0 : // we don't have a streaming response support yet so this is to prevent OOM
995 0 : // from a malicious query (eg a cross join)
996 0 : if *current_size > config.max_response_size_bytes {
997 0 : return Err(SqlOverHttpError::ResponseTooLarge(
998 0 : config.max_response_size_bytes,
999 0 : ));
1000 0 : }
1001 : }
1002 :
1003 0 : let query_resp_end = Instant::now();
1004 0 : let ready = row_stream.ready_status();
1005 0 :
1006 0 : // grab the command tag and number of rows affected
1007 0 : let command_tag = row_stream.command_tag().unwrap_or_default();
1008 0 : let mut command_tag_split = command_tag.split(' ');
1009 0 : let command_tag_name = command_tag_split.next().unwrap_or_default();
1010 0 : let command_tag_count = if command_tag_name == "INSERT" {
1011 : // INSERT returns OID first and then number of rows
1012 0 : command_tag_split.nth(1)
1013 : } else {
1014 : // other commands return number of rows (if any)
1015 0 : command_tag_split.next()
1016 : }
1017 0 : .and_then(|s| s.parse::<i64>().ok());
1018 0 :
1019 0 : info!(
1020 0 : rows = rows.len(),
1021 0 : ?ready,
1022 0 : command_tag,
1023 0 : acknowledgement = ?(query_acknowledged - query_start),
1024 0 : response = ?(query_resp_end - query_start),
1025 0 : "finished executing query"
1026 : );
1027 :
1028 0 : let columns_len = row_stream.columns().len();
1029 0 : let mut fields = Vec::with_capacity(columns_len);
1030 0 : let mut columns = Vec::with_capacity(columns_len);
1031 :
1032 0 : for c in row_stream.columns() {
1033 0 : fields.push(json!({
1034 0 : "name": c.name().to_owned(),
1035 0 : "dataTypeID": c.type_().oid(),
1036 0 : "tableID": c.table_oid(),
1037 0 : "columnID": c.column_id(),
1038 0 : "dataTypeSize": c.type_size(),
1039 0 : "dataTypeModifier": c.type_modifier(),
1040 0 : "format": "text",
1041 0 : }));
1042 0 : columns.push(client.get_type(c.type_oid()).await?);
1043 : }
1044 :
1045 0 : let array_mode = data.array_mode.unwrap_or(parsed_headers.default_array_mode);
1046 :
1047 : // convert rows to JSON
1048 0 : let rows = rows
1049 0 : .iter()
1050 0 : .map(|row| pg_text_row_to_json(row, &columns, parsed_headers.raw_output, array_mode))
1051 0 : .collect::<Result<Vec<_>, _>>()?;
1052 :
1053 : // Resulting JSON format is based on the format of node-postgres result.
1054 0 : let results = json!({
1055 0 : "command": command_tag_name.to_string(),
1056 0 : "rowCount": command_tag_count,
1057 0 : "rows": rows,
1058 0 : "fields": fields,
1059 0 : "rowAsArray": array_mode,
1060 0 : });
1061 0 :
1062 0 : Ok((ready, results))
1063 0 : }
1064 :
1065 : enum Client {
1066 : Remote(conn_pool_lib::Client<postgres_client::Client>),
1067 : Local(conn_pool_lib::Client<postgres_client::Client>),
1068 : }
1069 :
1070 : enum Discard<'a> {
1071 : Remote(conn_pool_lib::Discard<'a, postgres_client::Client>),
1072 : Local(conn_pool_lib::Discard<'a, postgres_client::Client>),
1073 : }
1074 :
1075 : impl Client {
1076 0 : fn metrics(&self) -> Arc<MetricCounter> {
1077 0 : match self {
1078 0 : Client::Remote(client) => client.metrics(),
1079 0 : Client::Local(local_client) => local_client.metrics(),
1080 : }
1081 0 : }
1082 :
1083 0 : fn inner(&mut self) -> (&mut postgres_client::Client, Discard<'_>) {
1084 0 : match self {
1085 0 : Client::Remote(client) => {
1086 0 : let (c, d) = client.inner();
1087 0 : (c, Discard::Remote(d))
1088 : }
1089 0 : Client::Local(local_client) => {
1090 0 : let (c, d) = local_client.inner();
1091 0 : (c, Discard::Local(d))
1092 : }
1093 : }
1094 0 : }
1095 : }
1096 :
1097 : impl Discard<'_> {
1098 0 : fn check_idle(&mut self, status: ReadyForQueryStatus) {
1099 0 : match self {
1100 0 : Discard::Remote(discard) => discard.check_idle(status),
1101 0 : Discard::Local(discard) => discard.check_idle(status),
1102 : }
1103 0 : }
1104 0 : fn discard(&mut self) {
1105 0 : match self {
1106 0 : Discard::Remote(discard) => discard.discard(),
1107 0 : Discard::Local(discard) => discard.discard(),
1108 : }
1109 0 : }
1110 : }
1111 :
1112 : #[cfg(test)]
1113 : #[expect(clippy::unwrap_used)]
1114 : mod tests {
1115 : use super::*;
1116 :
1117 : #[test]
1118 1 : fn test_payload() {
1119 1 : let payload = "{\"query\":\"SELECT * FROM users WHERE name = ?\",\"params\":[\"test\"],\"arrayMode\":true}";
1120 1 : let deserialized_payload: Payload = serde_json::from_str(payload).unwrap();
1121 1 :
1122 1 : match deserialized_payload {
1123 : Payload::Single(QueryData {
1124 1 : query,
1125 1 : params,
1126 1 : array_mode,
1127 1 : }) => {
1128 1 : assert_eq!(query, "SELECT * FROM users WHERE name = ?");
1129 1 : assert_eq!(params, vec![Some(String::from("test"))]);
1130 1 : assert!(array_mode.unwrap());
1131 : }
1132 : Payload::Batch(_) => {
1133 0 : panic!("deserialization failed: case with single query, one param, and array mode")
1134 : }
1135 : }
1136 :
1137 1 : let payload = "{\"queries\":[{\"query\":\"SELECT * FROM users0 WHERE name = ?\",\"params\":[\"test0\"], \"arrayMode\":false},{\"query\":\"SELECT * FROM users1 WHERE name = ?\",\"params\":[\"test1\"],\"arrayMode\":true}]}";
1138 1 : let deserialized_payload: Payload = serde_json::from_str(payload).unwrap();
1139 1 :
1140 1 : match deserialized_payload {
1141 1 : Payload::Batch(BatchQueryData { queries }) => {
1142 1 : assert_eq!(queries.len(), 2);
1143 2 : for (i, query) in queries.into_iter().enumerate() {
1144 2 : assert_eq!(
1145 2 : query.query,
1146 2 : format!("SELECT * FROM users{i} WHERE name = ?")
1147 2 : );
1148 2 : assert_eq!(query.params, vec![Some(format!("test{i}"))]);
1149 2 : assert_eq!(query.array_mode.unwrap(), i > 0);
1150 : }
1151 : }
1152 0 : Payload::Single(_) => panic!("deserialization failed: case with multiple queries"),
1153 : }
1154 :
1155 1 : let payload = "{\"query\":\"SELECT 1\"}";
1156 1 : let deserialized_payload: Payload = serde_json::from_str(payload).unwrap();
1157 1 :
1158 1 : match deserialized_payload {
1159 : Payload::Single(QueryData {
1160 1 : query,
1161 1 : params,
1162 1 : array_mode,
1163 1 : }) => {
1164 1 : assert_eq!(query, "SELECT 1");
1165 1 : assert_eq!(params, vec![]);
1166 1 : assert!(array_mode.is_none());
1167 : }
1168 0 : Payload::Batch(_) => panic!("deserialization failed: case with only one query"),
1169 : }
1170 1 : }
1171 : }
|
