Make compaction_pri settable through option string

Summary: Closes https://github.com/facebook/rocksdb/pull/1941

Differential Revision: D4637253

Pulled By: siying

fbshipit-source-id: a59dcdb

util/options_helper.cc

@@ -536,6 +536,10 @@ bool ParseOptionHelper(char* opt_address, const OptionType& opt_type,
       return ParseEnum<CompactionStyle>(
           compaction_style_string_map, value,
           reinterpret_cast<CompactionStyle*>(opt_address));
+    case OptionType::kCompactionPri:
+      return ParseEnum<CompactionPri>(
+          compaction_pri_string_map, value,
+          reinterpret_cast<CompactionPri*>(opt_address));
     case OptionType::kCompressionType:
       return ParseEnum<CompressionType>(
           compression_type_string_map, value,
@@ -617,6 +621,10 @@ bool SerializeSingleOptionHelper(const char* opt_address,
       return SerializeEnum<CompactionStyle>(
           compaction_style_string_map,
           *(reinterpret_cast<const CompactionStyle*>(opt_address)), value);
+    case OptionType::kCompactionPri:
+      return SerializeEnum<CompactionPri>(
+          compaction_pri_string_map,
+          *(reinterpret_cast<const CompactionPri*>(opt_address)), value);
     case OptionType::kCompressionType:
       return SerializeEnum<CompressionType>(
           compression_type_string_map,

util/options_helper.h

@@ -106,6 +106,7 @@ enum class OptionType {
   kString,
   kDouble,
   kCompactionStyle,
+  kCompactionPri,
   kSliceTransform,
   kCompressionType,
   kVectorCompressionType,
@@ -573,8 +574,10 @@ static std::unordered_map<std::string, OptionTypeInfo> cf_options_type_info = {
       OptionType::kMergeOperator, OptionVerificationType::kByName, false, 0}},
     {"compaction_style",
      {offsetof(struct ColumnFamilyOptions, compaction_style),
-      OptionType::kCompactionStyle, OptionVerificationType::kNormal, false,
-      0}}};
+      OptionType::kCompactionStyle, OptionVerificationType::kNormal, false, 0}},
+    {"compaction_pri",
+     {offsetof(struct ColumnFamilyOptions, compaction_pri),
+      OptionType::kCompactionPri, OptionVerificationType::kNormal, false, 0}}};
 
 static std::unordered_map<std::string, OptionTypeInfo>
     block_based_table_type_info = {
@@ -706,6 +709,13 @@ static std::unordered_map<std::string, CompactionStyle>
         {"kCompactionStyleFIFO", kCompactionStyleFIFO},
         {"kCompactionStyleNone", kCompactionStyleNone}};
 
+static std::unordered_map<std::string, CompactionPri>
+    compaction_pri_string_map = {
+        {"kByCompensatedSize", kByCompensatedSize},
+        {"kOldestLargestSeqFirst", kOldestLargestSeqFirst},
+        {"kOldestSmallestSeqFirst", kOldestSmallestSeqFirst},
+        {"kMinOverlappingRatio", kMinOverlappingRatio}};
+
 static std::unordered_map<std::string,
                           WALRecoveryMode> wal_recovery_mode_string_map = {
     {"kTolerateCorruptedTailRecords",

util/options_parser.cc

@@ -542,6 +542,9 @@ bool AreEqualOptions(
     case OptionType::kCompactionStyle:
       return (*reinterpret_cast<const CompactionStyle*>(offset1) ==
               *reinterpret_cast<const CompactionStyle*>(offset2));
+    case OptionType::kCompactionPri:
+      return (*reinterpret_cast<const CompactionPri*>(offset1) ==
+              *reinterpret_cast<const CompactionPri*>(offset2));
     case OptionType::kCompressionType:
       return (*reinterpret_cast<const CompressionType*>(offset1) ==
               *reinterpret_cast<const CompressionType*>(offset2));

util/options_settable_test.cc

@@ -373,7 +373,6 @@ TEST_F(OptionsSettableTest, ColumnFamilyOptionsAllFieldsSettable) {
   // Following options are not settable through
   // GetColumnFamilyOptionsFromString():
   options->rate_limit_delay_max_milliseconds = 33;
-  options->compaction_pri = CompactionPri::kOldestSmallestSeqFirst;
   options->compaction_options_universal = CompactionOptionsUniversal();
   options->compression_opts = CompressionOptions();
   options->hard_rate_limit = 0;
@@ -433,6 +432,7 @@ TEST_F(OptionsSettableTest, ColumnFamilyOptionsAllFieldsSettable) {
       "level_compaction_dynamic_level_bytes=false;"
       "inplace_update_support=false;"
       "compaction_style=kCompactionStyleFIFO;"
+      "compaction_pri=kMinOverlappingRatio;"
       "purge_redundant_kvs_while_flush=true;"
       "hard_pending_compaction_bytes_limit=0;"
       "disable_auto_compactions=false;"

util/options_test.cc

@@ -77,6 +77,7 @@ TEST_F(OptionsTest, GetOptionsFromMapTest) {
       {"arena_block_size", "22"},
       {"disable_auto_compactions", "true"},
       {"compaction_style", "kCompactionStyleLevel"},
+      {"compaction_pri", "kOldestSmallestSeqFirst"},
       {"verify_checksums_in_compaction", "false"},
       {"compaction_options_fifo", "23"},
       {"max_sequential_skip_in_iterations", "24"},
@@ -176,6 +177,7 @@ TEST_F(OptionsTest, GetOptionsFromMapTest) {
   ASSERT_EQ(new_cf_opt.disable_auto_compactions, true);
   ASSERT_EQ(new_cf_opt.compaction_style, kCompactionStyleLevel);
   ASSERT_EQ(new_cf_opt.verify_checksums_in_compaction, false);
+  ASSERT_EQ(new_cf_opt.compaction_pri, kOldestSmallestSeqFirst);
   ASSERT_EQ(new_cf_opt.compaction_options_fifo.max_table_files_size,
             static_cast<uint64_t>(23));
   ASSERT_EQ(new_cf_opt.max_sequential_skip_in_iterations,