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Diffstat (limited to 'src/mongo/db/pipeline/expression.h')
| -rw-r--r-- | src/mongo/db/pipeline/expression.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/pipeline/expression.h b/src/mongo/db/pipeline/expression.h index 4680181b295..918173b50ba 100644 --- a/src/mongo/db/pipeline/expression.h +++ b/src/mongo/db/pipeline/expression.h @@ -559,7 +559,7 @@ public: // Verify that '_output' produces an array and pass each element to 'process'. auto output = _output->evaluate(root, variables); uassert(5788200, "Input must be an array", output.isArray()); - for (auto item : output.getArray()) { + for (auto& item : output.getArray()) { accum.process(item, false); } return accum.getValue(false); |