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| author | Militsa Sotirova <militsa.sotirova@mongodb.com> | 2021-06-10 18:26:16 +0000 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2021-06-14 14:07:17 +0000 |
| commit | fd808e64b2a34bedfeeef012c2ef9314bec08e8f (patch) | |
| tree | 7aa32563d0ffe82aff20c3f615b0ec922e79b7fd /src/mongo/db/matcher/expression_algo.cpp | |
| parent | 28f6788e4e57219bce4a98ad95d082823f6598e5 (diff) | |
| download | mongo-fd808e64b2a34bedfeeef012c2ef9314bec08e8f.tar.gz | |
SERVER-54822: sort should be pushed automatically before unwind if sort is happening on a different field.
Diffstat (limited to 'src/mongo/db/matcher/expression_algo.cpp')
| -rw-r--r-- | src/mongo/db/matcher/expression_algo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mongo/db/matcher/expression_algo.cpp b/src/mongo/db/matcher/expression_algo.cpp index 11a280eb9ad..ca4ba9c68bf 100644 --- a/src/mongo/db/matcher/expression_algo.cpp +++ b/src/mongo/db/matcher/expression_algo.cpp @@ -503,5 +503,10 @@ bool isPathPrefixOf(StringData first, StringData second) { return second.startsWith(first) && second[first.size()] == '.'; } + +bool bidirectionalPathPrefixOf(StringData first, StringData second) { + return first == second || expression::isPathPrefixOf(first, second) || + expression::isPathPrefixOf(second, first); +} } // namespace expression } // namespace mongo |