mongo driver 的 countdocument方法
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@@ -94,3 +94,10 @@ func Insert(ctx context.Context, documents []interface{}, collection string, opt
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ids = r.InsertedIDs
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ids = r.InsertedIDs
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return
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return
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}
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}
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// Count 查询总数
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func Count(ctx context.Context, filter bson.M, collection string) (count int64, err error) {
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// 调用驱动的 CountDocuments,在数据库端执行的
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count, err = db.Collection(collection).CountDocuments(ctx, filter)
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return
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}
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