-
Notifications
You must be signed in to change notification settings - Fork 450
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[GLUTEN-6463][CH]refactor the code of parsing join parameters #6485
What changes were proposed in this pull request? (Please fill in changes proposed in this fix) Fixes: #6463 part of to support CartesianProductExec How was this patch tested? (Please explain how this patch was tested. E.g. unit tests, integration tests, manual tests) unit tests (If this patch involves UI changes, please attach a screenshot; otherwise, remove this)
- Loading branch information
Showing
4 changed files
with
173 additions
and
65 deletions.
There are no files selected for viewing
127 changes: 127 additions & 0 deletions
127
cpp-ch/local-engine/Parser/AdvancedParametersParseUtil.cpp
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,127 @@ | ||
/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
#include <base/find_symbols.h> | ||
#include <IO/ReadBufferFromString.h> | ||
#include <IO/ReadHelpers.h> | ||
#include <Common/Exception.h> | ||
#include <Parser/AdvancedParametersParseUtil.h> | ||
#include <Poco/Logger.h> | ||
#include <Common/logger_useful.h> | ||
namespace DB::ErrorCodes | ||
{ | ||
extern const int BAD_ARGUMENTS; | ||
} | ||
|
||
namespace local_engine | ||
{ | ||
|
||
template<typename T> | ||
void tryAssign(const std::unordered_map<String, String> & kvs, const String & key, T & v); | ||
|
||
template<> | ||
void tryAssign<String>(const std::unordered_map<String, String> & kvs, const String & key, String & v) | ||
{ | ||
auto it = kvs.find(key); | ||
if (it != kvs.end()) | ||
v = it->second; | ||
} | ||
|
||
template<> | ||
void tryAssign<bool>(const std::unordered_map<String, String> & kvs, const String & key, bool & v) | ||
{ | ||
auto it = kvs.find(key); | ||
if (it != kvs.end()) | ||
{ | ||
if (it->second == "0" || it->second == "false" || it->second == "FALSE") | ||
{ | ||
v = false; | ||
} | ||
else | ||
{ | ||
v = true; | ||
} | ||
} | ||
} | ||
|
||
template <char... chars> | ||
void readStringUntilCharsInto(String & s, DB::ReadBuffer & buf) | ||
{ | ||
while (!buf.eof()) | ||
{ | ||
char * next_pos = find_first_symbols<chars...>(buf.position(), buf.buffer().end()); | ||
|
||
s.append(buf.position(), next_pos - buf.position()); | ||
buf.position() = next_pos; | ||
|
||
if (buf.hasPendingData()) | ||
return; | ||
} | ||
} | ||
|
||
/// In the format: Seg1:k1=v1\nk2=v2\n..\nSeg2:k1=v1\n... | ||
std::unordered_map<String, std::unordered_map<String, String>> convertToKVs(const String & advance) | ||
{ | ||
std::unordered_map<String, std::unordered_map<String, String>> res; | ||
std::unordered_map<String, String> *kvs; | ||
DB::ReadBufferFromString in(advance); | ||
while(!in.eof()) | ||
{ | ||
String key; | ||
readStringUntilCharsInto<'=', '\n', ':'>(key, in); | ||
if (key.empty()) | ||
{ | ||
if (!in.eof()) | ||
{ | ||
char c; | ||
DB::readChar(c, in); | ||
} | ||
continue; | ||
} | ||
|
||
char c; | ||
DB::readChar(c, in); | ||
if (c == ':') | ||
{ | ||
res[key] = {}; | ||
kvs = &res[key]; | ||
continue; | ||
} | ||
|
||
if (c != '=') | ||
throw DB::Exception(DB::ErrorCodes::BAD_ARGUMENTS, "Invalid format, = is expected: {}", advance); | ||
|
||
String value; | ||
readStringUntilCharsInto<'\n'>(value, in); | ||
(*kvs)[key] = value; | ||
} | ||
return res; | ||
} | ||
|
||
JoinOptimizationInfo JoinOptimizationInfo::parse(const String & advance) | ||
{ | ||
JoinOptimizationInfo info; | ||
auto kkvs = convertToKVs(advance); | ||
auto & kvs = kkvs["JoinParameters"]; | ||
tryAssign(kvs, "isBHJ", info.is_broadcast); | ||
tryAssign(kvs, "isSMJ", info.is_smj); | ||
tryAssign(kvs, "buildHashTableId", info.storage_join_key); | ||
tryAssign(kvs, "isNullAwareAntiJoin", info.is_null_aware_anti_join); | ||
tryAssign(kvs, "isExistenceJoin", info.is_existence_join); | ||
return info; | ||
} | ||
} | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,37 @@ | ||
/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
#pragma once | ||
#include <unordered_map> | ||
|
||
namespace local_engine | ||
{ | ||
|
||
std::unordered_map<String, std::unordered_map<String, String>> convertToKVs(const String & advance); | ||
|
||
|
||
struct JoinOptimizationInfo | ||
{ | ||
bool is_broadcast = false; | ||
bool is_smj = false; | ||
bool is_null_aware_anti_join = false; | ||
bool is_existence_join = false; | ||
String storage_join_key; | ||
|
||
static JoinOptimizationInfo parse(const String & advance); | ||
}; | ||
} | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters