48 lines
981 B
Go
48 lines
981 B
Go
package mongodb
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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"go.mongodb.org/mongo-driver/x/bsonx"
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)
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// CreateIndex ...
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func CreateIndex(colName string, ind mongo.IndexModel) {
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// Get collection
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col := db.Collection(colName)
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if col == nil {
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fmt.Printf("Collection %s not existed", colName)
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return
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}
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opts := options.CreateIndexes().SetMaxTime(time.Minute * 10)
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_, err := col.Indexes().CreateOne(context.Background(), ind, opts)
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if err != nil {
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fmt.Printf("Index collection %s err: %v", col.Name(), err)
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}
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}
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// NewIndexKey ...
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func NewIndexKey(key ...string) mongo.IndexModel {
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var doc bsonx.Doc
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for _, s := range key {
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e := bsonx.Elem{
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Key: s,
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Value: bsonx.Int32(1),
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}
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if strings.HasPrefix(s, "-") {
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e = bsonx.Elem{
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Key: strings.Replace(s, "-", "", 1),
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Value: bsonx.Int32(-1),
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}
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}
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doc = append(doc, e)
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}
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return mongo.IndexModel{Keys: doc}
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} |