Files
doris/be/src/util/string_util.h
Mingyu Chen 9a2ad18428 Add path info of replica in catalog (#327)
Add path info of replica in catalog

Also fix a bug that when calling check_none_row_oriented_table,
store is null, it cannot be used to create table.
Instead, OLAPHeader can be used to get storage type information.
2018-11-19 17:42:46 +08:00

73 lines
2.3 KiB
C++

// 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 <map>
#include <set>
#include <string>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/case_conv.hpp> // to_lower_copy
#include <boost/functional/hash.hpp>
namespace doris {
struct StringCaseHasher {
public:
std::size_t operator()(const std::string& value) const {
std::string lower_value = boost::algorithm::to_lower_copy(value);
return std::hash<std::string>()(lower_value);
}
};
struct StringCaseEqual {
public:
bool operator()(const std::string& lhs, const std::string& rhs) const {
if (lhs.size() != rhs.size()) {
return false;
}
return strncasecmp(lhs.c_str(), rhs.c_str(), 0) == 0;
}
};
struct StringCaseLess {
public:
bool operator()(const std::string& lhs, const std::string& rhs) const {
size_t common_size = std::min(lhs.size(), rhs.size());
auto cmp = strncasecmp(lhs.c_str(), rhs.c_str(), common_size);
if (cmp == 0) {
return lhs.size() < rhs.size();
}
return cmp < 0;
}
};
std::size_t hash_of_path(const std::string& identifier, const std::string& path);
using StringCaseSet = std::set<std::string, StringCaseLess>;
using StringCaseUnorderedSet = std::unordered_set<std::string, StringCaseHasher, StringCaseEqual>;
template<class T>
using StringCaseMap = std::map<std::string, T, StringCaseLess>;
template<class T>
using StringCaseUnorderedMap = std::unordered_map<std::string, T, StringCaseHasher, StringCaseEqual>;
}