package main

import (
        "database/sql"
        "fmt"
        _ "github.com/lib/pq"
)

const (
        DB_USER     = "postgres"
        DB_PASSWORD = "postgres"
        DB_NAME     = "users"
)

func main() {
    dbinfo := fmt.Sprintf("user=%s password=%s dbname=%s sslmode=disable",
    DB_USER, DB_PASSWORD, DB_NAME)
    db, err := sql.Open("postgres", dbinfo)
    checkErr(err)
    defer db.Close()

    sqlStatement := `
    INSERT INTO basictable(firstCol,secondCol)
    VALUES ("Yellow", "Colour")`
    _, err = db.Exec(sqlStatement)
    if err != nil {
          panic(err)
    }

first := "Yellow"
   second := "Colour"

   sqlStatement := `
   INSERT INTO basictable(firstCol,secondCol)
   VALUES (first,second)`
    _, err = db.Exec(sqlStatement)
    if err != nil {
          panic(err)
    }