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Type:
Task
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Resolution: Done
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Storage
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None
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Execution Team 2021-07-12, Execution Team 2021-07-26, Execution Team 2021-08-09
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70
Because metadata does not vary within a bucket, geo indexes on metadata can use an ordinary geo index on the time-series buckets collection.
For example,
{
createIndexes: “abc”,
indexes: [ { key: { “metaFieldName.a” : "2dsphere" } } ]
}
will become
{
createIndexes: “system.buckets.abc”,
indexes: [ { key: { “meta.a” : "2dsphere" } } ]
}
JS test code
assert.eq(1, timeseriescoll.aggregate([ {$geoNear: { near: {type: "Point", coordinates: [40.4, -70.4]}, distanceField: "dist", spherical: true }}, {$limit: 1} ]).toArray().length, "Failed to use 2dsphere index: " + tojson(twoDSphereBucketsIndexSpec));
JS test logs
[js_test:timeseries_special_indexes] assert: command failed: { [js_test:timeseries_special_indexes] "ok" : 0, [js_test:timeseries_special_indexes] "errmsg" : "$geoNear is only valid as the first stage in a pipeline.", [js_test:timeseries_special_indexes] "code" : 40602, [js_test:timeseries_special_indexes] "codeName" : "Location40602" [js_test:timeseries_special_indexes] } with original command request: { [js_test:timeseries_special_indexes] "aggregate" : "timeseries_special_indexes_coll", [js_test:timeseries_special_indexes] "pipeline" : [ [js_test:timeseries_special_indexes] { [js_test:timeseries_special_indexes] "$geoNear" : { [js_test:timeseries_special_indexes] "near" : { [js_test:timeseries_special_indexes] "type" : "Point", [js_test:timeseries_special_indexes] "coordinates" : [ [js_test:timeseries_special_indexes] 40.4, [js_test:timeseries_special_indexes] -70.4 [js_test:timeseries_special_indexes] ] [js_test:timeseries_special_indexes] }, [js_test:timeseries_special_indexes] "distanceField" : "dist", [js_test:timeseries_special_indexes] "spherical" : true [js_test:timeseries_special_indexes] } [js_test:timeseries_special_indexes] }, [js_test:timeseries_special_indexes] { [js_test:timeseries_special_indexes] "$limit" : 1 [js_test:timeseries_special_indexes] } [js_test:timeseries_special_indexes] ], [js_test:timeseries_special_indexes] "cursor" : { [js_test:timeseries_special_indexes] [js_test:timeseries_special_indexes] }, [js_test:timeseries_special_indexes] "lsid" : { [js_test:timeseries_special_indexes] "id" : UUID("073e7905-4789-4ab9-88f2-45fb46cb2f97") [js_test:timeseries_special_indexes] } [js_test:timeseries_special_indexes] } on connection: connection to localhost:50190 : aggregate failed [js_test:timeseries_special_indexes] _getErrorWithCode@src/mongo/shell/utils.js:25:13 [js_test:timeseries_special_indexes] doassert@src/mongo/shell/assert.js:18:14 [js_test:timeseries_special_indexes] _assertCommandWorked@src/mongo/shell/assert.js:719:17 [js_test:timeseries_special_indexes] assert.commandWorked@src/mongo/shell/assert.js:811:16 [js_test:timeseries_special_indexes] DB.prototype._runAggregate@src/mongo/shell/db.js:268:5 [js_test:timeseries_special_indexes] DBCollection.prototype.aggregate@src/mongo/shell/collection.js:1056:12 [js_test:timeseries_special_indexes] @jstests/core/timeseries/timeseries_special_indexes.js:210:11 [js_test:timeseries_special_indexes] @jstests/core/timeseries/timeseries_special_indexes.js:18:2 [js_test:timeseries_special_indexes] uncaught exception: Error: command failed: { [js_test:timeseries_special_indexes] "ok" : 0, [js_test:timeseries_special_indexes] "errmsg" : "$geoNear is only valid as the first stage in a pipeline.", [js_test:timeseries_special_indexes] "code" : 40602, [js_test:timeseries_special_indexes] "codeName" : "Location40602" [js_test:timeseries_special_indexes] } with original command request: { [js_test:timeseries_special_indexes] "aggregate" : "timeseries_special_indexes_coll", [js_test:timeseries_special_indexes] "pipeline" : [ [js_test:timeseries_special_indexes] { [js_test:timeseries_special_indexes] "$geoNear" : { [js_test:timeseries_special_indexes] "near" : { [js_test:timeseries_special_indexes] "type" : "Point", [js_test:timeseries_special_indexes] "coordinates" : [ [js_test:timeseries_special_indexes] 40.4, [js_test:timeseries_special_indexes] -70.4 [js_test:timeseries_special_indexes] ] [js_test:timeseries_special_indexes] }, [js_test:timeseries_special_indexes] "distanceField" : "dist", [js_test:timeseries_special_indexes] "spherical" : true [js_test:timeseries_special_indexes] } [js_test:timeseries_special_indexes] }, [js_test:timeseries_special_indexes] { [js_test:timeseries_special_indexes] "$limit" : 1 [js_test:timeseries_special_indexes] } [js_test:timeseries_special_indexes] ], [js_test:timeseries_special_indexes] "cursor" : { [js_test:timeseries_special_indexes] [js_test:timeseries_special_indexes] }, [js_test:timeseries_special_indexes] "lsid" : { [js_test:timeseries_special_indexes] "id" : UUID("073e7905-4789-4ab9-88f2-45fb46cb2f97") [js_test:timeseries_special_indexes] } [js_test:timeseries_special_indexes] } on connection: connection to localhost:50190 : aggregate failed : [js_test:timeseries_special_indexes] _getErrorWithCode@src/mongo/shell/utils.js:25:13 [js_test:timeseries_special_indexes] doassert@src/mongo/shell/assert.js:18:14 [js_test:timeseries_special_indexes] _assertCommandWorked@src/mongo/shell/assert.js:719:17 [js_test:timeseries_special_indexes] assert.commandWorked@src/mongo/shell/assert.js:811:16 [js_test:timeseries_special_indexes] DB.prototype._runAggregate@src/mongo/shell/db.js:268:5 [js_test:timeseries_special_indexes] DBCollection.prototype.aggregate@src/mongo/shell/collection.js:1056:12 [js_test:timeseries_special_indexes] @jstests/core/timeseries/timeseries_special_indexes.js:210:11 [js_test:timeseries_special_indexes] @jstests/core/timeseries/timeseries_special_indexes.js:18:2 [js_test:timeseries_special_indexes] failed to load: jstests/core/timeseries/timeseries_special_indexes.js
Note: the same query on the corresponding buckets collection works fine, so the index is created via the time-series collection, we just can't use it.
- is depended on by
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SERVER-58602 Rewrite $geoNear to $geoWithin + compute distance + $sort
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- Closed
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- is duplicated by
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- Closed
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- related to
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- Closed
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