Interface change! addWrites now takes a single write version

HashTable.cpp

@@ -36,11 +36,13 @@ struct __attribute__((visibility("hidden"))) ConflictSet::Impl {
     }
   }
 
-  void addWrites(const ConflictSet::WriteRange *writes, int count) {
+  void addWrites(const ConflictSet::WriteRange *writes, int count,
+                 int64_t writeVersion) {
     for (int i = 0; i < count; ++i) {
       auto &max = map[std::string((const char *)writes[i].begin.p,
                                   writes[i].begin.len)];
-      max = std::max(max, writes[i].writeVersion);
+      assert(writeVersion >= max);
+      max = writeVersion;
       keyUpdates += 2;
     }
   }
@@ -83,8 +85,9 @@ void ConflictSet::check(const ReadRange *reads, Result *results,
   return impl->check(reads, results, count);
 }
 
-void ConflictSet::addWrites(const WriteRange *writes, int count) {
-  return impl->addWrites(writes, count);
+void ConflictSet::addWrites(const WriteRange *writes, int count,
+                            int64_t writeVersion) {
+  return impl->addWrites(writes, count, writeVersion);
 }
 
 void ConflictSet::setOldestVersion(int64_t oldestVersion) {
@@ -121,9 +124,9 @@ ConflictSet_check(void *cs, const ConflictSet_ReadRange *reads,
   ((ConflictSet::Impl *)cs)->check(reads, results, count);
 }
 __attribute__((__visibility__("default"))) void
-ConflictSet_addWrites(void *cs, const ConflictSet_WriteRange *writes,
-                      int count) {
-  ((ConflictSet::Impl *)cs)->addWrites(writes, count);
+ConflictSet_addWrites(void *cs, const ConflictSet_WriteRange *writes, int count,
+                      int64_t writeVersion) {
+  ((ConflictSet::Impl *)cs)->addWrites(writes, count, writeVersion);
 }
 __attribute__((__visibility__("default"))) void
 ConflictSet_setOldestVersion(void *cs, int64_t oldestVersion) {