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plan/spec: the positional gate goes green

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Scorecard 204 -> 218 pass, 87 -> 73 fail: the fourteen `arrayFilters` cases
across five files, which is the whole of what the two implementation commits
were expected to move and nothing else. Positional corpus 51/51.

The three divergences measured on the way are written into PLAN §6 rather
than left in commit messages: `$` with two predicates on one array that no
element satisfies together, an array filter with a top-level `$and`/`$or`,
and a literal index into a scalar element -- the last being the one place the
positional walk and the plain indexed path now answer differently, which is
worth a commit of its own and needs its own measurements first.

The design review gets an outcome note, since two of its guesses were wrong
and the corpus is where that was settled.
This commit is contained in:
A.Shakhmatov
2026-08-10 20:40:41 +03:00
parent 200228b0cb
commit 1892cb7969
4 changed files with 56 additions and 37 deletions
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24
tests/spec/scorecard.txt
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@@ -18,7 +18,7 @@
# hasServerConnectionId, and maxTimeMS in an expected command (CSOT rewrites
# it -- the only assertion this runner declines to make).
total 204 pass 87 fail 196 skip 175 files 0 errored
total 218 pass 73 fail 196 skip 175 files 0 errored
# per-file: name pass fail skip
aggregate-allowdiskuse.json 3 0 0
@@ -31,7 +31,7 @@ aggregate-out.json 2 0 0
aggregate-rawdata.json 1 0 1
aggregate-write-readPreference.json 0 0 4
aggregate.json 5 0 2
bulkWrite-arrayFilters.json 0 3 0
bulkWrite-arrayFilters.json 3 0 0
bulkWrite-collation.json 0 2 0
bulkWrite-comment.json 2 0 1
bulkWrite-delete-hint-serverError.json 0 0 2
@@ -141,7 +141,7 @@ findOneAndReplace-let.json 0 1 1
findOneAndReplace-rawdata.json 1 0 1
findOneAndReplace-upsert.json 2 2 0
findOneAndReplace.json 4 2 0
findOneAndUpdate-arrayFilters.json 0 3 0
findOneAndUpdate-arrayFilters.json 3 0 0
findOneAndUpdate-collation.json 0 1 0
findOneAndUpdate-comment.json 0 2 1
findOneAndUpdate-dots_and_dollars.json 0 0 4
@@ -172,7 +172,7 @@ replaceOne-rawdata.json 1 0 1
replaceOne-sort.json 1 0 1
replaceOne-validation.json 1 0 0
replaceOne.json 5 0 0
updateMany-arrayFilters.json 0 3 0
updateMany-arrayFilters.json 3 0 0
updateMany-collation.json 0 1 0
updateMany-comment.json 2 0 1
updateMany-dots_and_dollars.json 0 0 4
@@ -183,7 +183,7 @@ updateMany-pipeline.json 0 1 0
updateMany-rawdata.json 1 0 1
updateMany-validation.json 1 0 0
updateMany.json 4 0 0
updateOne-arrayFilters.json 0 5 0
updateOne-arrayFilters.json 5 0 0
updateOne-collation.json 0 1 0
updateOne-comment.json 2 0 1
updateOne-dots_and_dollars.json 0 0 4
@@ -209,9 +209,6 @@ aggregate-rawdata.json SKIP Aggregate with rawData option needs server >= 8.2.0
aggregate-write-readPreference.json SKIP * needs topology replicaset/sharded/load-balanced
aggregate.json SKIP aggregate with a document comment - pre 4.4 needs server <= 4.2.99
aggregate.json SKIP aggregate with comment does not set comment on getMore - pre 4.4 needs server <= 4.3.99
bulkWrite-arrayFilters.json FAIL BulkWrite updateOne with arrayFilters MongoBulkWriteError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
bulkWrite-arrayFilters.json FAIL BulkWrite updateMany with arrayFilters MongoBulkWriteError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
bulkWrite-arrayFilters.json FAIL BulkWrite with arrayFilters MongoBulkWriteError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
bulkWrite-collation.json FAIL BulkWrite with delete operations and collation bulkWrite.deletedCount: expected 4, got 0
bulkWrite-collation.json FAIL BulkWrite with update operations and collation bulkWrite.matchedCount: expected 6, got 2
bulkWrite-comment.json SKIP BulkWrite with comment - pre 4.4 needs server <= 4.2.99
@@ -361,9 +358,6 @@ findOneAndReplace-upsert.json FAIL FindOneAndReplace when no documents match wit
findOneAndReplace-upsert.json FAIL FindOneAndReplace when no documents match with id specified with upsert returning the document after modification findOneAndReplace: expected a document, got null
findOneAndReplace.json FAIL FindOneAndReplace when many documents match returning the document after modification findOneAndReplace.x: expected 32, got 22
findOneAndReplace.json FAIL FindOneAndReplace when one document matches returning the document after modification findOneAndReplace.x: expected 32, got 22
findOneAndUpdate-arrayFilters.json FAIL FindOneAndUpdate when no document matches arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
findOneAndUpdate-arrayFilters.json FAIL FindOneAndUpdate when one document matches arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
findOneAndUpdate-arrayFilters.json FAIL FindOneAndUpdate when multiple documents match arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
findOneAndUpdate-collation.json FAIL FindOneAndUpdate when many documents match with collation returning the document before modification findOneAndUpdate: expected a document, got null
findOneAndUpdate-comment.json FAIL findOneAndUpdate with string comment MongoServerError: update must be a document
findOneAndUpdate-comment.json FAIL findOneAndUpdate with document comment MongoServerError: update must be a document
@@ -403,9 +397,6 @@ replaceOne-let.json SKIP ReplaceOne with let option needs server >= 5.0
replaceOne-let.json FAIL ReplaceOne with let option unsupported (server-side error) replaceOne: expected an error, the operation succeeded
replaceOne-rawdata.json SKIP ReplaceOne with rawData option needs server >= 8.2.0
replaceOne-sort.json SKIP ReplaceOne with sort option needs server >= 8.0
updateMany-arrayFilters.json FAIL UpdateMany when no documents match arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
updateMany-arrayFilters.json FAIL UpdateMany when one document matches arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
updateMany-arrayFilters.json FAIL UpdateMany when multiple documents match arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
updateMany-collation.json FAIL UpdateMany when many documents match with collation updateMany.matchedCount: expected 2, got 1
updateMany-comment.json SKIP UpdateMany with comment - pre 4.4 needs server <= 4.2.99
updateMany-dots_and_dollars.json SKIP Updating document to set top-level dollar-prefixed key on 5.0+ server needs server >= 5.0
@@ -416,11 +407,6 @@ updateMany-let.json SKIP updateMany with let option needs server >= 5.0
updateMany-let.json FAIL updateMany with let option unsupported (server-side error) updateMany: error message "update spec requires u" does not contain "'update.let' is an unknown field"
updateMany-pipeline.json FAIL UpdateMany using pipelines MongoServerError: update spec requires u
updateMany-rawdata.json SKIP updateMany with rawData option needs server >= 8.2.0
updateOne-arrayFilters.json FAIL UpdateOne when no document matches arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
updateOne-arrayFilters.json FAIL UpdateOne when one document matches arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
updateOne-arrayFilters.json FAIL UpdateOne when multiple documents match arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].b' is not implemented by this server
updateOne-arrayFilters.json FAIL UpdateOne when no documents match multiple arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].c.$[j].d' is not implemented by this server
updateOne-arrayFilters.json FAIL UpdateOne when one document matches multiple arrayFilters MongoServerError: the positional operator '$[i]' in path 'y.$[i].c.$[j].d' is not implemented by this server
updateOne-collation.json FAIL UpdateOne when one document matches with collation updateOne.matchedCount: expected 1, got 0
updateOne-comment.json SKIP UpdateOne with comment - pre 4.4 needs server <= 4.2.99
updateOne-dots_and_dollars.json SKIP Updating document to set top-level dollar-prefixed key on 5.0+ server needs server >= 5.0