diff options
Diffstat (limited to 'src/mongo/db/pipeline/field_path.cpp')
| -rw-r--r-- | src/mongo/db/pipeline/field_path.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/src/mongo/db/pipeline/field_path.cpp b/src/mongo/db/pipeline/field_path.cpp index 2d891ce7b10..6eb9fe46d0b 100644 --- a/src/mongo/db/pipeline/field_path.cpp +++ b/src/mongo/db/pipeline/field_path.cpp @@ -47,17 +47,12 @@ const StringDataSet kAllowedDollarPrefixedFields = { // Metadata fields. - // TODO SERVER-42560: It may be possible to eliminate some of these, if they're only used for - // creating the "dependency" projection. Some of them ($dis and $sortKey) may be used in - // sharded queries and are necessary. + // This is necessary for sharded query execution of find() commands. mongos may attach a + // $sortKey field to the projection sent to shards so that it can merge the results correctly. "$sortKey", - "$pt", - "$dis", - "$textScore", - "$recordId", - // Used internally for forcing projections to be of a certain type. - "$__INTERNAL_QUERY_PROJECTION_RESERVED"}; + // This is necessary for the "showRecordId" feature. + "$recordId"}; } // namespace |