morningman commented on a change in pull request #327: Add path info of replica
in catalog
URL: https://github.com/apache/incubator-doris/pull/327#discussion_r234408916
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File path: be/src/util/string_util.h
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@@ -57,6 +59,23 @@ struct StringCaseLess {
}
};
+struct PathHash {
+public:
+ std::size_t operator()(const std::string& identifier, const std::string&
path) const {
+ std::size_t hash = std::hash<std::string>()(identifier);
+ std::vector<std::string> path_parts;
+ boost::split(path_parts, path, boost::is_any_of("/"));
+ for (std::string part : path_parts) {
+ if (part.empty()) {
+ continue;
+ }
+
+ boost::hash_combine<std::string>(hash, part);
Review comment:
std::hash has already been used in other functions in string_util.h.
So just for unification.
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