SERVER-28610 Added timezone support (and %z and %Z) to $dateToString

1 files changed, 4 insertions, 2 deletions

diff --git a/src/mongo/db/pipeline/expression.h b/src/mongo/db/pipeline/expression.h
index aad2ced9b55..0a347bb6310 100644
--- a/src/mongo/db/pipeline/expression.h
+++ b/src/mongo/db/pipeline/expression.h
@@ -921,11 +921,13 @@ public:
 
 private:
     ExpressionDateToString(const boost::intrusive_ptr<ExpressionContext>& expCtx,
-                           const std::string& format,               // the format string
-                           boost::intrusive_ptr<Expression> date);  // the date to format
+                           const std::string& format,                   // The format string.
+                           boost::intrusive_ptr<Expression> date,       // The date to format.
+                           boost::intrusive_ptr<Expression> timeZone);  // The optional timezone.
 
     const std::string _format;
     boost::intrusive_ptr<Expression> _date;
+    boost::intrusive_ptr<Expression> _timeZone;
 };
 
 class ExpressionDayOfMonth final : public DateExpressionAcceptingTimeZone<ExpressionDayOfMonth> {