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Add GetSupportedCompressions() convenience function

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Summary:
This function will return a list of supported compression types in RocksDB
This is needed for MyRocks https://github.com/facebook/mysql-5.6/pull/446
Closes https://github.com/facebook/rocksdb/pull/1747

Differential Revision: D4385921

Pulled By: IslamAbdelRahman

fbshipit-source-id: 2f5b59f
This commit is contained in:
Islam AbdelRahman 2017-01-06 11:11:51 -08:00 committed by Facebook Github Bot
parent b104b87814
commit ac73d7558b
2 changed files with 13 additions and 0 deletions
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2
include/rocksdb/convenience.h
View File

@ -288,6 +288,8 @@ Status GetStringFromColumnFamilyOptions(std::string* opts_str,
Status GetStringFromCompressionType(std::string* compression_str,
CompressionType compression_type);
std::vector<CompressionType> GetSupportedCompressions();
Status GetBlockBasedTableOptionsFromString(
const BlockBasedTableOptions& table_options,
const std::string& opts_str,

11
util/options_helper.cc
View File

@ -1080,6 +1080,17 @@ Status GetStringFromCompressionType(std::string* compression_str,
}
}
std::vector<CompressionType> GetSupportedCompressions() {
std::vector<CompressionType> supported_compressions;
for (const auto& comp_to_name : compression_type_string_map) {
CompressionType t = comp_to_name.second;
if (t != kDisableCompressionOption && CompressionTypeSupported(t)) {
supported_compressions.push_back(t);
}
}
return supported_compressions;
}
bool SerializeSingleBlockBasedTableOption(
std::string* opt_string, const BlockBasedTableOptions& bbt_options,
const std::string& name, const std::string& delimiter) {