Block reduce_levels_test in ROCKSDB_LITE

Summary: Block reduce_levels_test in ROCKSDB_LITE as LDBCommand is not supported

Test Plan:
make reduce_levels_test -j64
OPT=-DROCKSDB_LITE make reduce_levels_test -j64
make check -j64

Reviewers: sdong, igor, yhchiang

Reviewed By: yhchiang

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D41967

db/compaction_picker.cc

@@ -38,6 +38,9 @@ uint64_t TotalCompensatedFileSize(const std::vector<FileMetaData*>& files) {
   return sum;
 }
 
+// Universal compaction is not supported in ROCKSDB_LITE
+#ifndef ROCKSDB_LITE
+
 // Used in universal compaction when trivial move is enabled.
 // This structure is used for the construction of min heap
 // that contains the file meta data, the level of the file
@@ -95,7 +98,7 @@ SmallestKeyHeap create_level_heap(Compaction* c, const Comparator* ucmp) {
   }
   return smallest_key_priority_q;
 }
-
+#endif  // !ROCKSDB_LITE
 }  // anonymous namespace
 
 // Determine compression type, based on user options, level of the output

tools/reduce_levels_test.cc

@@ -3,6 +3,9 @@
 //  LICENSE file in the root directory of this source tree. An additional grant
 //  of patent rights can be found in the PATENTS file in the same directory.
 //
+
+#ifndef ROCKSDB_LITE
+
 #include "rocksdb/db.h"
 #include "db/db_impl.h"
 #include "db/version_set.h"
@@ -197,3 +200,13 @@ int main(int argc, char** argv) {
   ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }
+
+#else
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+  fprintf(stderr, "SKIPPED as LDBCommand is not supported in ROCKSDB_LITE\n");
+  return 0;
+}
+
+#endif  // !ROCKSDB_LITE