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Type:
Bug
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Resolution: Works as Designed
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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: None
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None
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Storage Execution
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ALL
ClusteredIndexSpec is defined by the idl clustered_collections_options.idl:
ClusteredIndexSpec:
description: "The specifications for a given clusteredIndex"
strict: true
fields:
v:
description: 'Index spec version'
type: safeInt
default: 2
unstable: false
key:
description: 'Key to index on'
type: object_owned
unstable: false
name:
description: 'Descriptive name for the index'
type: string
optional: true
unstable: false
unique:
type: safeBool
unstable: false
There are two getter methods that get defined for the indexSpec in build/opt/mongo/db/catalog/clustered_collection_options_gen.h:
const mongo::ClusteredIndexSpec& getIndexSpec() const { return _indexSpec; }
mongo::ClusteredIndexSpec& getIndexSpec() { return _indexSpec; }
When I try to extract the name, the following code prints garbage:
auto nameOptional = collection->getClusteredInfo()->getIndexSpec().getName();
if (nameOptional) {
logd("--XYZ-- ------ {}", *nameOptional);
}
Whereas the following gives me the correct name:
auto indexSpec = collection->getClusteredInfo()->getIndexSpec();
auto nameOptional = indexSpec.getName();
if (nameOptional) {
logd("--XYZ-- ------ {}", *nameOptional);
}
I don't understand why, and it seems like a bug.
- related to
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- Closed
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