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Allow CreateFromString to work on complex URIs (#8547) 

Summary:
Some URIs for creating instances (ala SecondaryCache) use complex URIs like (cache://name;prop=value).  These URIs were treated as name-value properties.  With this change, if the URI does not contain an "id=XX" setting, it will be treated as a single string value (and not an ID and map of name-value properties).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8547

Reviewed By: anand1976

Differential Revision: D29741386

Pulled By: mrambacher

fbshipit-source-id: 0621f62bec3a6699a7b66c7c0b5634b2856653aa
This commit is contained in:
mrambacher 2021-07-16 15:04:29 -07:00 committed by Facebook GitHub Bot
parent df5dc73bec
commit ac37bfded0
3 changed files with 30 additions and 5 deletions
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13
options/configurable.cc
View File

@ -747,15 +747,20 @@ Status ConfigurableHelper::GetOptionsMap(
#ifndef ROCKSDB_LITE
} else {
status = StringToMap(value, props);
if (status.ok()) {
if (!status.ok()) { // There was an error creating the map.
*id = value; // Treat the value as id
props->clear(); // Clear the properties
status = Status::OK(); // and ignore the error
} else {
auto iter = props->find(ConfigurableHelper::kIdPropName);
if (iter != props->end()) {
*id = iter->second;
props->erase(iter);
} else if (default_id.empty()) { // Should this be an error??
status = Status::InvalidArgument("Name property is missing");
} else {
} else if (!default_id.empty()) {
*id = default_id;
} else { // No id property and no default
*id = value; // Treat the value as id
props->clear(); // Clear the properties
}
}
#else

17
options/customizable_test.cc
View File

@ -785,6 +785,23 @@ TEST_F(CustomizableTest, FactoryFunctionTest) {
ASSERT_EQ(pointer, nullptr);
}
TEST_F(CustomizableTest, URLFactoryTest) {
std::unique_ptr<TestCustomizable> unique;
ConfigOptions ignore = config_options_;
ignore.ignore_unsupported_options = false;
ignore.ignore_unsupported_options = false;
ASSERT_OK(TestCustomizable::CreateFromString(ignore, "A=1;x=y", &unique));
ASSERT_NE(unique, nullptr);
ASSERT_EQ(unique->GetId(), "A=1;x=y");
ASSERT_OK(TestCustomizable::CreateFromString(ignore, "A;x=y", &unique));
ASSERT_NE(unique, nullptr);
ASSERT_EQ(unique->GetId(), "A;x=y");
unique.reset();
ASSERT_OK(TestCustomizable::CreateFromString(ignore, "A=1?x=y", &unique));
ASSERT_NE(unique, nullptr);
ASSERT_EQ(unique->GetId(), "A=1?x=y");
}
TEST_F(CustomizableTest, MutableOptionsTest) {
static std::unordered_map<std::string, OptionTypeInfo> mutable_option_info = {
{"mutable",

5
options/options_helper.cc
View File

@ -644,10 +644,13 @@ Status StringToMap(const std::string& opts_str,
}
while (pos < opts.size()) {
size_t eq_pos = opts.find('=', pos);
size_t eq_pos = opts.find_first_of("={};", pos);
if (eq_pos == std::string::npos) {
return Status::InvalidArgument("Mismatched key value pair, '=' expected");
} else if (opts[eq_pos] != '=') {
return Status::InvalidArgument("Unexpected char in key");
}
std::string key = trim(opts.substr(pos, eq_pos - pos));
if (key.empty()) {
return Status::InvalidArgument("Empty key found");