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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 2021-08-09
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” : "2d" } } ]
}
will become
{
createIndexes: “system.buckets.abc”,
indexes: [ { key: { “meta.a” : "2d" } } ]
}
JS test code
assert.eq(1, timeseriescoll.find({[metaFieldName]: {$near: [0, 0]}}).toArray().length, "Failed to use index: " + tojson(twoDTimeseriesIndexSpec));
JS test logs
[js_test:timeseries_special_indexes] uncaught exception: Error: error: {
[js_test:timeseries_special_indexes] "ok" : 0,
[js_test:timeseries_special_indexes] "errmsg" : "$geoNear, $near, and $nearSphere are not allowed in this context",
[js_test:timeseries_special_indexes] "code" : 2,
[js_test:timeseries_special_indexes] "codeName" : "BadValue"
[js_test:timeseries_special_indexes] } :
[js_test:timeseries_special_indexes] _getErrorWithCode@src/mongo/shell/utils.js:25:13
[js_test:timeseries_special_indexes] DBCommandCursor@src/mongo/shell/query.js:711:15
[js_test:timeseries_special_indexes] DBQuery.prototype._exec@src/mongo/shell/query.js:113:28
[js_test:timeseries_special_indexes] DBQuery.prototype.hasNext@src/mongo/shell/query.js:288:5
[js_test:timeseries_special_indexes] DBQuery.prototype.toArray@src/mongo/shell/query.js:342:12
[js_test:timeseries_special_indexes] @jstests/core/timeseries/timeseries_special_indexes.js:170:11
[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 related to
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- Closed
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- related to
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- Closed
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