DB::DumpSupportInfo should log all supported compression types

Summary:
DB::DumpSupportInfo should log all supported compression types.
Closes #3146
Closes https://github.com/facebook/rocksdb/pull/3396

Differential Revision: D6777019

Pulled By: yiwu-arbug

fbshipit-source-id: 5b17f1ffb2d71224e52f7d9c045434746c789fb0

db/db_impl.cc

@@ -123,13 +123,13 @@ CompressionType GetCompressionFlush(
 namespace {
 void DumpSupportInfo(Logger* logger) {
   ROCKS_LOG_HEADER(logger, "Compression algorithms supported:");
-  ROCKS_LOG_HEADER(logger, "\tSnappy supported: %d", Snappy_Supported());
-  ROCKS_LOG_HEADER(logger, "\tZlib supported: %d", Zlib_Supported());
-  ROCKS_LOG_HEADER(logger, "\tBzip supported: %d", BZip2_Supported());
-  ROCKS_LOG_HEADER(logger, "\tLZ4 supported: %d", LZ4_Supported());
-  ROCKS_LOG_HEADER(logger, "\tZSTDNotFinal supported: %d",
-                   ZSTDNotFinal_Supported());
-  ROCKS_LOG_HEADER(logger, "\tZSTD supported: %d", ZSTD_Supported());
+  for (auto& compression : OptionsHelper::compression_type_string_map) {
+    if (compression.second != kNoCompression &&
+        compression.second != kDisableCompressionOption) {
+      ROCKS_LOG_HEADER(logger, "\t%s supported: %d", compression.first.c_str(),
+                       CompressionTypeSupported(compression.second));
+    }
+  }
   ROCKS_LOG_HEADER(logger, "Fast CRC32 supported: %s",
                    crc32c::IsFastCrc32Supported().c_str());
 }

options/options_helper.cc

@@ -208,6 +208,18 @@ std::unordered_map<std::string, ChecksumType>
                                                {"kCRC32c", kCRC32c},
                                                {"kxxHash", kxxHash}};
 
+std::unordered_map<std::string, CompressionType>
+    OptionsHelper::compression_type_string_map = {
+        {"kNoCompression", kNoCompression},
+        {"kSnappyCompression", kSnappyCompression},
+        {"kZlibCompression", kZlibCompression},
+        {"kBZip2Compression", kBZip2Compression},
+        {"kLZ4Compression", kLZ4Compression},
+        {"kLZ4HCCompression", kLZ4HCCompression},
+        {"kXpressCompression", kXpressCompression},
+        {"kZSTD", kZSTD},
+        {"kZSTDNotFinalCompression", kZSTDNotFinalCompression},
+        {"kDisableCompressionOption", kDisableCompressionOption}};
 #ifndef ROCKSDB_LITE
 
 template <typename T>
@@ -1476,19 +1488,6 @@ std::unordered_map<std::string, OptionTypeInfo>
          {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
           0}}};
 
-std::unordered_map<std::string, CompressionType>
-    OptionsHelper::compression_type_string_map = {
-        {"kNoCompression", kNoCompression},
-        {"kSnappyCompression", kSnappyCompression},
-        {"kZlibCompression", kZlibCompression},
-        {"kBZip2Compression", kBZip2Compression},
-        {"kLZ4Compression", kLZ4Compression},
-        {"kLZ4HCCompression", kLZ4HCCompression},
-        {"kXpressCompression", kXpressCompression},
-        {"kZSTD", kZSTD},
-        {"kZSTDNotFinalCompression", kZSTDNotFinalCompression},
-        {"kDisableCompressionOption", kDisableCompressionOption}};
-
 std::unordered_map<std::string, BlockBasedTableOptions::IndexType>
     OptionsHelper::block_base_table_index_type_string_map = {
         {"kBinarySearch", BlockBasedTableOptions::IndexType::kBinarySearch},

options/options_helper.h

@@ -144,6 +144,8 @@ struct OptionsHelper {
   static std::map<CompactionStopStyle, std::string>
       compaction_stop_style_to_string;
   static std::unordered_map<std::string, ChecksumType> checksum_type_string_map;
+  static std::unordered_map<std::string, CompressionType>
+      compression_type_string_map;
 #ifndef ROCKSDB_LITE
   static std::unordered_map<std::string, OptionTypeInfo> cf_options_type_info;
   static std::unordered_map<std::string, OptionTypeInfo>
@@ -155,8 +157,6 @@ struct OptionsHelper {
   static std::unordered_map<std::string, OptionTypeInfo> db_options_type_info;
   static std::unordered_map<std::string, OptionTypeInfo>
       lru_cache_options_type_info;
-  static std::unordered_map<std::string, CompressionType>
-      compression_type_string_map;
   static std::unordered_map<std::string, BlockBasedTableOptions::IndexType>
       block_base_table_index_type_string_map;
   static std::unordered_map<std::string, EncodingType> encoding_type_string_map;