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Rename yandexConsistentHash to kostikConsistentHash

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This commit is contained in:
Alexey Milovidov 2022-03-24 02:18:25 +01:00
parent 4b88c6f934
commit d54138425f
9 changed files with 16 additions and 17 deletions
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2
docs/zh/operations/system-tables/functions.md
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@ -15,7 +15,7 @@
```
┌─name─────────────────────┬─is_aggregate─┬─case_insensitive─┬─alias_to─┐
│ sumburConsistentHash │ 0 │ 0 │ │
│ yandexConsistentHash │ 0 │ 0 │ │
│ kostikConsistentHash │ 0 │ 0 │ │
│ demangle │ 0 │ 0 │ │
│ addressToLine │ 0 │ 0 │ │
│ JSONExtractRaw │ 0 │ 0 │ │

11
src/Functions/yandexConsistentHash.cpp → src/Functions/kostikConsistentHash.cpp
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@ -7,9 +7,9 @@ namespace DB
{
/// An O(1) time and space consistent hash algorithm by Konstantin Oblakov
struct YandexConsistentHashImpl
struct KostikConsistentHashImpl
{
static constexpr auto name = "yandexConsistentHash";
static constexpr auto name = "kostikConsistentHash";
using HashType = UInt64;
/// Actually it supports UInt64, but it is efficient only if n <= 32768
@ -23,12 +23,11 @@ struct YandexConsistentHashImpl
}
};
using FunctionYandexConsistentHash = FunctionConsistentHashImpl<YandexConsistentHashImpl>;
using FunctionKostikConsistentHash = FunctionConsistentHashImpl<KostikConsistentHashImpl>;
void registerFunctionYandexConsistentHash(FunctionFactory & factory)
void registerFunctionKostikConsistentHash(FunctionFactory & factory)
{
factory.registerFunction<FunctionYandexConsistentHash>();
factory.registerFunction<FunctionKostikConsistentHash>();
}
}

4
src/Functions/registerFunctionsConsistentHashing.cpp
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@ -2,12 +2,12 @@ namespace DB
{
class FunctionFactory;
void registerFunctionYandexConsistentHash(FunctionFactory & factory);
void registerFunctionKostikConsistentHash(FunctionFactory & factory);
void registerFunctionJumpConsistentHash(FunctionFactory & factory);
void registerFunctionsConsistentHashing(FunctionFactory & factory)
{
registerFunctionYandexConsistentHash(factory);
registerFunctionKostikConsistentHash(factory);
registerFunctionJumpConsistentHash(factory);
}

2
tests/fuzz/all.dict
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@ -1459,7 +1459,7 @@
"xor"
"xxHash32"
"xxHash64"
"yandexConsistentHash"
"kostikConsistentHash"
"YEAR"
"yearweek"
"yesterday"

2
tests/fuzz/dictionaries/functions.dict
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@ -26,7 +26,7 @@
"toUnixTimestamp64Nano"
"toUnixTimestamp64Micro"
"jumpConsistentHash"
"yandexConsistentHash"
"kostikConsistentHash"
"addressToSymbol"
"toJSONString"
"JSON_VALUE"

4
tests/integration/test_distributed_queries_stress/test.py
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@ -67,10 +67,10 @@ def started_cluster():
insert into data (key) select * from numbers(10);
create table if not exists dist_one as data engine=Distributed(one_shard, currentDatabase(), data, key);
create table if not exists dist_one_over_dist as data engine=Distributed(one_shard, currentDatabase(), dist_one, yandexConsistentHash(key, 2));
create table if not exists dist_one_over_dist as data engine=Distributed(one_shard, currentDatabase(), dist_one, kostikConsistentHash(key, 2));
create table if not exists dist_two as data engine=Distributed(two_shards, currentDatabase(), data, key);
create table if not exists dist_two_over_dist as data engine=Distributed(two_shards, currentDatabase(), dist_two, yandexConsistentHash(key, 2));
create table if not exists dist_two_over_dist as data engine=Distributed(two_shards, currentDatabase(), dist_two, kostikConsistentHash(key, 2));
"""
)
yield cluster

2
tests/performance/consistent_hashes.xml
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@ -3,7 +3,7 @@
<substitution>
<name>hash_func</name>
<values>
<value>yandexConsistentHash</value>
<value>kostikConsistentHash</value>
<value>jumpConsistentHash</value>
</values>
</substitution>

4
tests/queries/0_stateless/00580_consistent_hashing_functions.sql
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@ -1,6 +1,6 @@
-- Tags: no-fasttest
SELECT jumpConsistentHash(1, 1), jumpConsistentHash(42, 57), jumpConsistentHash(256, 1024), jumpConsistentHash(3735883980, 1), jumpConsistentHash(3735883980, 666), jumpConsistentHash(16045690984833335023, 255);
SELECT yandexConsistentHash(16045690984833335023, 1), yandexConsistentHash(16045690984833335023, 2), yandexConsistentHash(16045690984833335023, 3), yandexConsistentHash(16045690984833335023, 4), yandexConsistentHash(16045690984833335023, 173), yandexConsistentHash(16045690984833335023, 255);
SELECT kostikConsistentHash(16045690984833335023, 1), kostikConsistentHash(16045690984833335023, 2), kostikConsistentHash(16045690984833335023, 3), kostikConsistentHash(16045690984833335023, 4), kostikConsistentHash(16045690984833335023, 173), kostikConsistentHash(16045690984833335023, 255);
SELECT jumpConsistentHash(intHash64(number), 787) FROM system.numbers LIMIT 1000000, 2;
SELECT yandexConsistentHash(16045690984833335023+number-number, 120) FROM system.numbers LIMIT 1000000, 2;
SELECT kostikConsistentHash(16045690984833335023+number-number, 120) FROM system.numbers LIMIT 1000000, 2;

2
tests/queries/0_stateless/00979_yandex_consistent_hash_fpe.sql
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@ -1 +1 @@
SELECT yandexConsistentHash(-1, 40000); -- { serverError 36 }
SELECT kostikConsistentHash(-1, 40000); -- { serverError 36 }