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16 files changed

+567
-128
lines changed

16 files changed

+567
-128
lines changed

‎Cargo.toml‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -41,6 +41,7 @@ regex = "1"
4141
semver = "1.0"
4242
serde = "1.0"
4343
serde_derive = "1.0"
44+
take_mut = "0.2.2"
4445
thiserror = "1"
4546
tokio = { version = "1", features = ["sync", "rt-multi-thread", "macros"] }
4647
tonic = { version = "0.10", features = ["tls"] }
@@ -54,6 +55,7 @@ proptest-derive = "0.3"
5455
reqwest = { version = "0.11", default-features = false, features = [
5556
"native-tls-vendored",
5657
] }
58+
rstest = "0.18.2"
5759
serde_json = "1"
5860
serial_test = "0.5.0"
5961
simple_logger = "1"

‎src/kv/key.rs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -71,7 +71,7 @@ pub struct Key(
7171
test,
7272
proptest(strategy = "any_with::<Vec<u8>>((size_range(_PROPTEST_KEY_MAX), ()))")
7373
)]
74-
pub(super) Vec<u8>,
74+
pub(crate) Vec<u8>,
7575
);
7676

7777
impl AsRef<Key> for kvrpcpb::Mutation {

‎src/raw/client.rs‎

Lines changed: 108 additions & 48 deletions
Original file line numberDiff line numberDiff line change
@@ -15,9 +15,13 @@ use crate::pd::PdClient;
1515
use crate::pd::PdRpcClient;
1616
use crate::proto::metapb;
1717
use crate::raw::lowering::*;
18+
use crate::request::APIVersion;
1819
use crate::request::Collect;
1920
use crate::request::CollectSingle;
21+
use crate::request::EncodeVersion;
22+
use crate::request::KeyMode;
2023
use crate::request::Plan;
24+
use crate::request::TruncateVersion;
2125
use crate::Backoff;
2226
use crate::BoundRange;
2327
use crate::ColumnFamily;
@@ -41,6 +45,7 @@ pub struct Client<PdC: PdClient = PdRpcClient> {
4145
backoff: Backoff,
4246
/// Whether to use the [`atomic mode`](Client::with_atomic_for_cas).
4347
atomic: bool,
48+
api_version: APIVersion,
4449
}
4550

4651
impl Clone for Client {
@@ -50,6 +55,7 @@ impl Clone for Client {
5055
cf: self.cf.clone(),
5156
backoff: self.backoff.clone(),
5257
atomic: self.atomic,
58+
api_version: self.api_version,
5359
}
5460
}
5561
}
@@ -100,12 +106,13 @@ impl Client<PdRpcClient> {
100106
config: Config,
101107
) -> Result<Self> {
102108
let pd_endpoints: Vec<String> = pd_endpoints.into_iter().map(Into::into).collect();
103-
let rpc = Arc::new(PdRpcClient::connect(&pd_endpoints, config, false).await?);
109+
let rpc = Arc::new(PdRpcClient::connect(&pd_endpoints, config.clone(), false).await?);
104110
Ok(Client {
105111
rpc,
106112
cf: None,
107113
backoff: DEFAULT_REGION_BACKOFF,
108114
atomic: false,
115+
api_version: APIVersion::V1,
109116
})
110117
}
111118

@@ -140,6 +147,7 @@ impl Client<PdRpcClient> {
140147
cf: Some(cf),
141148
backoff: self.backoff.clone(),
142149
atomic: self.atomic,
150+
api_version: self.api_version,
143151
}
144152
}
145153

@@ -168,6 +176,7 @@ impl Client<PdRpcClient> {
168176
cf: self.cf.clone(),
169177
backoff,
170178
atomic: self.atomic,
179+
api_version: self.api_version,
171180
}
172181
}
173182

@@ -185,6 +194,20 @@ impl Client<PdRpcClient> {
185194
cf: self.cf.clone(),
186195
backoff: self.backoff.clone(),
187196
atomic: true,
197+
api_version: self.api_version,
198+
}
199+
}
200+
201+
/// Set the API version to use.
202+
#[must_use]
203+
pub fn with_keyspace(&self, keyspace: String) -> Self {
204+
// FIXME
205+
Client {
206+
rpc: self.rpc.clone(),
207+
cf: self.cf.clone(),
208+
backoff: self.backoff.clone(),
209+
atomic: self.atomic,
210+
api_version: APIVersion::V2 { keyspace_id: 0 },
188211
}
189212
}
190213
}
@@ -210,8 +233,9 @@ impl<PdC: PdClient> Client<PdC> {
210233
/// ```
211234
pub async fn get(&self, key: impl Into<Key>) -> Result<Option<Value>> {
212235
debug!("invoking raw get request");
213-
let request = new_raw_get_request(key.into(), self.cf.clone());
214-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
236+
let key = key.into().encode_version(self.api_version, KeyMode::Raw);
237+
let request = new_raw_get_request(key, self.cf.clone());
238+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
215239
.retry_multi_region(self.backoff.clone())
216240
.merge(CollectSingle)
217241
.post_process_default()
@@ -242,14 +266,19 @@ impl<PdC: PdClient> Client<PdC> {
242266
keys: impl IntoIterator<Item = impl Into<Key>>,
243267
) -> Result<Vec<KvPair>> {
244268
debug!("invoking raw batch_get request");
245-
let request = new_raw_batch_get_request(keys.into_iter().map(Into::into), self.cf.clone());
246-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
269+
let keys = keys
270+
.into_iter()
271+
.map(|k| k.into().encode_version(self.api_version, KeyMode::Raw));
272+
let request = new_raw_batch_get_request(keys, self.cf.clone());
273+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
247274
.retry_multi_region(self.backoff.clone())
248275
.merge(Collect)
249276
.plan();
250-
plan.execute()
251-
.await
252-
.map(|r| r.into_iter().map(Into::into).collect())
277+
plan.execute().await.map(|r| {
278+
r.into_iter()
279+
.map(|pair| pair.truncate_version(self.api_version))
280+
.collect()
281+
})
253282
}
254283

255284
/// Create a new 'put' request.
@@ -270,8 +299,9 @@ impl<PdC: PdClient> Client<PdC> {
270299
/// ```
271300
pub async fn put(&self, key: impl Into<Key>, value: impl Into<Value>) -> Result<()> {
272301
debug!("invoking raw put request");
273-
let request = new_raw_put_request(key.into(), value.into(), self.cf.clone(), self.atomic);
274-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
302+
let key = key.into().encode_version(self.api_version, KeyMode::Raw);
303+
let request = new_raw_put_request(key, value.into(), self.cf.clone(), self.atomic);
304+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
275305
.retry_multi_region(self.backoff.clone())
276306
.merge(CollectSingle)
277307
.extract_error()
@@ -302,12 +332,11 @@ impl<PdC: PdClient> Client<PdC> {
302332
pairs: impl IntoIterator<Item = impl Into<KvPair>>,
303333
) -> Result<()> {
304334
debug!("invoking raw batch_put request");
305-
let request = new_raw_batch_put_request(
306-
pairs.into_iter().map(Into::into),
307-
self.cf.clone(),
308-
self.atomic,
309-
);
310-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
335+
let pairs = pairs
336+
.into_iter()
337+
.map(|pair| pair.into().encode_version(self.api_version, KeyMode::Raw));
338+
let request = new_raw_batch_put_request(pairs, self.cf.clone(), self.atomic);
339+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
311340
.retry_multi_region(self.backoff.clone())
312341
.extract_error()
313342
.plan();
@@ -334,8 +363,9 @@ impl<PdC: PdClient> Client<PdC> {
334363
/// ```
335364
pub async fn delete(&self, key: impl Into<Key>) -> Result<()> {
336365
debug!("invoking raw delete request");
337-
let request = new_raw_delete_request(key.into(), self.cf.clone(), self.atomic);
338-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
366+
let key = key.into().encode_version(self.api_version, KeyMode::Raw);
367+
let request = new_raw_delete_request(key, self.cf.clone(), self.atomic);
368+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
339369
.retry_multi_region(self.backoff.clone())
340370
.merge(CollectSingle)
341371
.extract_error()
@@ -364,9 +394,11 @@ impl<PdC: PdClient> Client<PdC> {
364394
pub async fn batch_delete(&self, keys: impl IntoIterator<Item = impl Into<Key>>) -> Result<()> {
365395
debug!("invoking raw batch_delete request");
366396
self.assert_non_atomic()?;
367-
let request =
368-
new_raw_batch_delete_request(keys.into_iter().map(Into::into), self.cf.clone());
369-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
397+
let keys = keys
398+
.into_iter()
399+
.map(|k| k.into().encode_version(self.api_version, KeyMode::Raw));
400+
let request = new_raw_batch_delete_request(keys, self.cf.clone());
401+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
370402
.retry_multi_region(self.backoff.clone())
371403
.extract_error()
372404
.plan();
@@ -392,8 +424,9 @@ impl<PdC: PdClient> Client<PdC> {
392424
pub async fn delete_range(&self, range: impl Into<BoundRange>) -> Result<()> {
393425
debug!("invoking raw delete_range request");
394426
self.assert_non_atomic()?;
395-
let request = new_raw_delete_range_request(range.into(), self.cf.clone());
396-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
427+
let range = range.into().encode_version(self.api_version, KeyMode::Raw);
428+
let request = new_raw_delete_range_request(range, self.cf.clone());
429+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
397430
.retry_multi_region(self.backoff.clone())
398431
.extract_error()
399432
.plan();
@@ -543,13 +576,14 @@ impl<PdC: PdClient> Client<PdC> {
543576
) -> Result<(Option<Value>, bool)> {
544577
debug!("invoking raw compare_and_swap request");
545578
self.assert_atomic()?;
579+
let key = key.into().encode_version(self.api_version, KeyMode::Raw);
546580
let req = new_cas_request(
547-
key.into(),
581+
key,
548582
new_value.into(),
549583
previous_value.into(),
550584
self.cf.clone(),
551585
);
552-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), req)
586+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, req)
553587
.retry_multi_region(self.backoff.clone())
554588
.merge(CollectSingle)
555589
.post_process_default()
@@ -563,16 +597,29 @@ impl<PdC: PdClient> Client<PdC> {
563597
copr_version_req: impl Into<String>,
564598
ranges: impl IntoIterator<Item = impl Into<BoundRange>>,
565599
request_builder: impl Fn(metapb::Region, Vec<Range<Key>>) -> Vec<u8> + Send + Sync + 'static,
566-
) -> Result<Vec<(Vec<u8>, Vec<Range<Key>>)>> {
600+
) -> Result<Vec<(Vec<Range<Key>>, Vec<u8>)>> {
567601
let copr_version_req = copr_version_req.into();
568602
semver::VersionReq::from_str(&copr_version_req)?;
603+
let ranges = ranges
604+
.into_iter()
605+
.map(|range| range.into().encode_version(self.api_version, KeyMode::Raw));
606+
let api_version = self.api_version;
607+
let request_builder = move |region, ranges: Vec<Range<Key>>| {
608+
request_builder(
609+
region,
610+
ranges
611+
.into_iter()
612+
.map(|range| range.truncate_version(api_version))
613+
.collect(),
614+
)
615+
};
569616
let req = new_raw_coprocessor_request(
570617
copr_name.into(),
571618
copr_version_req,
572-
ranges.into_iter().map(Into::into),
619+
ranges,
573620
request_builder,
574621
);
575-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), req)
622+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, req)
576623
.preserve_shard()
577624
.retry_multi_region(self.backoff.clone())
578625
.post_process_default()
@@ -592,8 +639,9 @@ impl<PdC: PdClient> Client<PdC> {
592639
max_limit: MAX_RAW_KV_SCAN_LIMIT,
593640
});
594641
}
642+
643+
let mut cur_range = range.into().encode_version(self.api_version, KeyMode::Raw);
595644
let mut result = Vec::new();
596-
let mut cur_range = range.into();
597645
let mut scan_regions = self.rpc.clone().stores_for_range(cur_range.clone()).boxed();
598646
let mut region_store =
599647
scan_regions
@@ -603,22 +651,25 @@ impl<PdC: PdClient> Client<PdC> {
603651
range: (cur_range.clone()),
604652
})??;
605653
let mut cur_limit = limit;
654+
606655
while cur_limit > 0 {
607656
let request =
608657
new_raw_scan_request(cur_range.clone(), cur_limit, key_only, self.cf.clone());
609-
let resp = crate::request::PlanBuilder::new(self.rpc.clone(), request)
610-
.single_region_with_store(region_store.clone())
611-
.await?
612-
.plan()
613-
.execute()
614-
.await?;
658+
let resp =
659+
crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
660+
.single_region_with_store(region_store.clone())
661+
.await?
662+
.plan()
663+
.execute()
664+
.await?;
615665
let mut region_scan_res = resp
616666
.kvs
617667
.into_iter()
618668
.map(Into::into)
619669
.collect::<Vec<KvPair>>();
620670
let res_len = region_scan_res.len();
621671
result.append(&mut region_scan_res);
672+
622673
// if the number of results is less than cur_limit, it means this scan range contains more than one region, so we need to scan next region
623674
if res_len < cur_limit as usize {
624675
region_store = match scan_regions.next().await {
@@ -637,8 +688,13 @@ impl<PdC: PdClient> Client<PdC> {
637688
break;
638689
}
639690
}
691+
640692
// limit is a soft limit, so we need check the number of results
641693
result.truncate(limit as usize);
694+
695+
// truncate the version of keys
696+
let result = result.truncate_version(self.api_version);
697+
642698
Ok(result)
643699
}
644700

@@ -655,17 +711,20 @@ impl<PdC: PdClient> Client<PdC> {
655711
});
656712
}
657713

658-
let request = new_raw_batch_scan_request(
659-
ranges.into_iter().map(Into::into),
660-
each_limit,
661-
key_only,
662-
self.cf.clone(),
663-
);
664-
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), request)
714+
let ranges = ranges
715+
.into_iter()
716+
.map(|range| range.into().encode_version(self.api_version, KeyMode::Raw));
717+
718+
let request = new_raw_batch_scan_request(ranges, each_limit, key_only, self.cf.clone());
719+
let plan = crate::request::PlanBuilder::new(self.rpc.clone(), self.api_version, request)
665720
.retry_multi_region(self.backoff.clone())
666721
.merge(Collect)
667722
.plan();
668-
plan.execute().await
723+
plan.execute().await.map(|r| {
724+
r.into_iter()
725+
.map(|pair| pair.truncate_version(self.api_version))
726+
.collect()
727+
})
669728
}
670729

671730
fn assert_non_atomic(&self) -> Result<()> {
@@ -718,6 +777,7 @@ mod tests {
718777
cf: Some(ColumnFamily::Default),
719778
backoff: DEFAULT_REGION_BACKOFF,
720779
atomic: false,
780+
api_version: APIVersion::V1,
721781
};
722782
let resps = client
723783
.coprocessor(
@@ -729,25 +789,25 @@ mod tests {
729789
.await?;
730790
let resps: Vec<_> = resps
731791
.into_iter()
732-
.map(|(data, ranges)| (String::from_utf8(data).unwrap(), ranges))
792+
.map(|(ranges, data)| (ranges, String::from_utf8(data).unwrap()))
733793
.collect();
734794
assert_eq!(
735795
resps,
736796
vec![
737797
(
798+
vec![Key::from(vec![5])..Key::from(vec![10])],
738799
"1:[Key(05)..Key(0A)]".to_string(),
739-
vec![Key::from(vec![5])..Key::from(vec![10])]
740800
),
741801
(
742-
"2:[Key(0A)..Key(0F), Key(14)..Key(FAFA)]".to_string(),
743802
vec![
744803
Key::from(vec![10])..Key::from(vec![15]),
745804
Key::from(vec![20])..Key::from(vec![250, 250])
746-
]
805+
],
806+
"2:[Key(0A)..Key(0F), Key(14)..Key(FAFA)]".to_string(),
747807
),
748808
(
809+
vec![Key::from(vec![250, 250])..Key::from(vec![])],
749810
"3:[Key(FAFA)..Key()]".to_string(),
750-
vec![Key::from(vec![250, 250])..Key::from(vec![])]
751811
)
752812
]
753813
);

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