From 6907444c110ed37aad81faa3a026267d2fd38b95 Mon Sep 17 00:00:00 2001
From: Arun Banala <arun.banala@mongodb.com>
Date: Wed, 27 Feb 2019 15:13:01 +0000
Subject: SERVER-39695 Implement $regexFind

---
 src/mongo/db/pipeline/expression.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/mongo/db/pipeline/expression.h')

diff --git a/src/mongo/db/pipeline/expression.h b/src/mongo/db/pipeline/expression.h
index 5b79fafe1ad..4aa91a67086 100644
--- a/src/mongo/db/pipeline/expression.h
+++ b/src/mongo/db/pipeline/expression.h
@@ -2092,4 +2092,13 @@ private:
     boost::intrusive_ptr<Expression> _onError;
     boost::intrusive_ptr<Expression> _onNull;
 };
+
+class ExpressionRegexFind final : public ExpressionFixedArity<ExpressionRegexFind, 1> {
+public:
+    explicit ExpressionRegexFind(const boost::intrusive_ptr<ExpressionContext>& expCtx)
+        : ExpressionFixedArity<ExpressionRegexFind, 1>(expCtx) {}
+
+    Value evaluate(const Document& root) const final;
+    const char* getOpName() const final;
+};
 }
-- 
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