SERVER-30854 Remove ModifierInterface update code.

We left the deleted update system in 3.6 to support upgrades from 3.4,
but newer versions will always use the new UpdateNode update system.

Fun fact: this commit deletes more lines than were inserted by the
previous 100 commits.

1 files changed, 2 insertions, 7 deletions

diff --git a/src/mongo/db/ops/update.cpp b/src/mongo/db/ops/update.cpp
index 8c5b31ab53a..2b1b7225513 100644
--- a/src/mongo/db/ops/update.cpp
+++ b/src/mongo/db/ops/update.cpp
@@ -113,8 +113,7 @@ BSONObj applyUpdateOperators(OperationContext* opCtx,
                              const BSONObj& operators) {
     const CollatorInterface* collator = nullptr;
     boost::intrusive_ptr<ExpressionContext> expCtx(new ExpressionContext(opCtx, collator));
-    UpdateDriver::Options opts(std::move(expCtx));
-    UpdateDriver driver(opts);
+    UpdateDriver driver(std::move(expCtx));
     std::map<StringData, std::unique_ptr<ExpressionWithPlaceholder>> arrayFilters;
     Status status = driver.parse(operators, arrayFilters);
     if (!status.isOK()) {
@@ -123,13 +122,9 @@ BSONObj applyUpdateOperators(OperationContext* opCtx,
 
     mutablebson::Document doc(from, mutablebson::Document::kInPlaceDisabled);
 
-    // The original document can be empty because it is only needed for validation of immutable
-    // paths.
-    const BSONObj emptyOriginal;
     const bool validateForStorage = false;
     const FieldRefSet emptyImmutablePaths;
-    status =
-        driver.update(StringData(), emptyOriginal, &doc, validateForStorage, emptyImmutablePaths);
+    status = driver.update(StringData(), &doc, validateForStorage, emptyImmutablePaths);
     if (!status.isOK()) {
         uasserted(16839, status.reason());
     }