summaryrefslogtreecommitdiff
path: root/src/mongo/db/ops/modifier_bit.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mongo/db/ops/modifier_bit.cpp')
-rw-r--r--src/mongo/db/ops/modifier_bit.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mongo/db/ops/modifier_bit.cpp b/src/mongo/db/ops/modifier_bit.cpp
index fb7ae3f45eb..99296911e95 100644
--- a/src/mongo/db/ops/modifier_bit.cpp
+++ b/src/mongo/db/ops/modifier_bit.cpp
@@ -164,6 +164,8 @@ Status ModifierBit::prepare(mutablebson::Element root,
// Locate the field name in 'root'.
Status status = pathsupport::findLongestPrefix(
_fieldRef, root, &_preparedState->idxFound, &_preparedState->elemFound);
+ const auto elemFoundIsArray =
+ _preparedState->elemFound.ok() && _preparedState->elemFound.getType() == BSONType::Array;
// FindLongestPrefix may say the path does not exist at all, which is fine here, or
@@ -189,6 +191,12 @@ Status ModifierBit::prepare(mutablebson::Element root,
// If no target element exists, the value we will write is the result of applying
// the operation to a zero-initialized integer element.
_preparedState->newValue = apply(SafeNum(static_cast<int32_t>(0)));
+
+ if (elemFoundIsArray) {
+ // Report that an existing array will gain a new element as a result of this mod.
+ execInfo->indexOfArrayWithNewElement[0] = _preparedState->idxFound;
+ }
+
return Status::OK();
}