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ds_key index on mongo collections are not unique #14

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gerhardcit opened this issue Dec 10, 2017 · 0 comments
Open

ds_key index on mongo collections are not unique #14

gerhardcit opened this issue Dec 10, 2017 · 0 comments

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@gerhardcit
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Is it by design that ds_key are not unique indexes on mongodb?

 this._collections[ collectionName ].ensureIndex({ ds_key: 1 })

Since the value cannot be duplicated, should it not be more optimized to use?

 this._collections[ collectionName ].ensureIndex({ ds_key: 1 }, {uniq:1})

Would it not be more optimized to use ds_key as as the _id of the record?
(Just asking what the design considerations were?)
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@gerhardcit