I want to check if record exist and if not exist then i want to insert that record to database using golang

Question

package main

import (
    \"database/sql\"
    \"fmt\"

    \"github.com/gin-gonic/gin\"
)

func main() {

    router := gin.New()
    router.Use(gin.Logger())
             


        

Answer 1

One possible approach would be:

var exists bool
row := db.QueryRow("SELECT EXISTS(SELECT 1 FROM ...)")
if err := row.Scan(&exists); err != nil {
    return err
} else if !exists {
    if err := db.Exec("INSERT ..."); err != nil {
        return err
    }
}