Details
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Bug
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Resolution: Fixed
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Major - P3
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None
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None
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Query Optimization
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Fully Compatible
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ALL
Description
AUTO_CAUSES_COPY
Unnecessary object copies can affect performance. Using the auto keyword without an & causes a copy.
/src/mongo/db/pipeline/dependencies.cpp:87: AUTO_CAUSES_COPY 123395 Using the "auto" keyword without an "&" causes the copy of an object of type basic_string.