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index not used when using query operator #239

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z543 opened this issue Mar 21, 2018 · 0 comments
Open

index not used when using query operator #239

z543 opened this issue Mar 21, 2018 · 0 comments

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@z543
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z543 commented Mar 21, 2018

    items.ensureIndex({
      type: 1
    });

    items.explain({
      type: { $eq: 1 }  //index not used
    })

    items.explain({
      type: 1  //index used
    })
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