在Go語言中,使用github.com/arangodb/go-driver
庫可以方便地連接到ArangoDB數(shù)據(jù)庫。為了提高性能和響應(yīng)速度,可以設(shè)置連接池。以下是如何設(shè)置ArangoDB連接池的步驟:
github.com/arangodb/go-driver
庫。如果沒有安裝,可以使用以下命令進(jìn)行安裝:go get -u github.com/arangodb/go-driver
import (
"context"
"fmt"
"log"
"github.com/arangodb/go-driver"
)
client, err := driver.NewClient(driver.ClientOptions{
Endpoints: []string{"http://localhost:8529"},
Database: "myDatabase",
Auth: &driver.AuthOptions{
Username: "myUser",
Password: "myPassword",
},
ConnectionPool: &driver.ConnectionPoolOptions{
Max connections: 10,
Min idle connections: 2,
Connection timeout: 5 * time.Second,
Idle connection timeout: 30 * time.Second,
},
})
if err != nil {
log.Fatalf("Failed to create ArangoDB client: %v", err)
}
defer client.Close()
以下是一個(gè)簡單的示例,展示了如何使用ArangoDB連接池執(zhí)行查詢:
func main() {
// 確保已經(jīng)創(chuàng)建了數(shù)據(jù)庫和集合
collection := client.Database("myDatabase").Collection("myCollection")
// 創(chuàng)建一個(gè)查詢
query := fmt.Sprintf("FOR doc IN myCollection RETURN doc")
// 執(zhí)行查詢并處理結(jié)果
cursor, err := collection.Query(context.Background(), query, nil)
if err != nil {
log.Fatalf("Failed to execute query: %v", err)
}
defer cursor.Close()
for cursor.Next() {
var result map[string]interface{}
if err := cursor.Decode(&result); err != nil {
log.Fatalf("Failed to decode document: %v", err)
}
fmt.Println(result)
}
if err := cursor.Err(); err != nil {
log.Fatalf("Cursor error: %v", err)
}
}
通過以上步驟,你已經(jīng)成功設(shè)置了ArangoDB連接池。在實(shí)際應(yīng)用中,可以根據(jù)需要調(diào)整連接池參數(shù)以獲得最佳性能。