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wshelly avatar wshelly commented on August 25, 2024

This is an example:
One program save data

package main

import (
	"fmt"
	"log"
	"time"

	"github.com/asdine/storm/v3"
	bolt "go.etcd.io/bbolt"
)

type Record struct {
	ID    int    `storm:"id"`
	Name  string `storm:"index"`
	Value string
	Seq   int64
}

func main() {
	log.SetFlags(log.LstdFlags | log.Lshortfile)
	db, err := storm.Open("1.db", storm.BoltOptions(0600, &bolt.Options{Timeout: 1 * time.Second}))
	if err != nil {
		log.Panicln(err)
	}
	defer db.Close()
	count := 10
	tx, _ := db.From("a", "b").Begin(true)
	for n := 0; n < count; n++ {
		tx.Save(&Record{
			ID:    n + 1,
			Name:  fmt.Sprintf("name_%d", n+1),
			Value: fmt.Sprintf("value_%d", n+1),
			Seq:   int64(n + 101),
		})
	}
	tx.Commit()
	var results []Record
	db.From("a", "b").All(&results)
	for _, v := range results {
		log.Println(v)
	}

	var result Record
	err = db.From("a", "b").One("Seq", 102, &result)
	if err == nil {
		log.Printf("✔️ find record: %+v", result)
	} else {
		log.Printf("❌ error: %s", err.Error())
	}
}

another program reindex:

package main

import (
	"log"
	"time"

	"github.com/asdine/storm/v3"
	bolt "go.etcd.io/bbolt"
)

type Record struct {
	ID    int    `storm:"id"`
	Name  string `storm:"index"`
	Value string
	Seq   int64 `storm:"index"`
}

func main() {
	log.SetFlags(log.LstdFlags | log.Lshortfile)
	db, err := storm.Open("1.db", storm.BoltOptions(0600, &bolt.Options{Timeout: 1 * time.Second}))
	if err != nil {
		log.Panicln(err)
	}
	defer db.Close()

	//ReIndex return error  bucket not found
	log.Println(db.From("a", "b").ReIndex(&Record{}))

	var results []Record
	db.From("a", "b").All(&results)
	for _, v := range results {
		log.Println(v)
	}
	var result Record
	err = db.From("a", "b").One("Seq", 102, &result)
	if err == nil {
		log.Printf("✔️ find record: %+v", result)
	} else {
		log.Printf("❌ error: %s", err.Error())
	}
}

from storm.

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