kylesoda/pgx-learning
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update dependencies and refactor database connection handling

Browse Source
This commit is contained in:
Kylesoda
2026-03-22 17:36:27 -05:00
parent 924fb0e82c
commit 882bab506c
3 changed files with 55 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
go.mod
View File

@@ -5,12 +5,16 @@ go 1.25.7
require (
github.com/jackc/pgx/v5 v5.9.1
github.com/joho/godotenv v1.5.1
github.com/urfave/cli/v2 v2.27.7
)
require (
github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
github.com/jackc/pgpassfile v1.0.0 // indirect
github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
github.com/jackc/puddle/v2 v2.2.2 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
golang.org/x/sync v0.17.0 // indirect
golang.org/x/text v0.29.0 // indirect
)

8
go.sum
View File

@@ -1,3 +1,5 @@
github.com/cpuguy83/go-md2man/v2 v2.0.7 h1:zbFlGlXEAKlwXpmvle3d8Oe3YnkKIK4xSRTd3sHPnBo=
github.com/cpuguy83/go-md2man/v2 v2.0.7/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -13,11 +15,17 @@ github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
github.com/urfave/cli/v2 v2.27.7 h1:bH59vdhbjLv3LAvIu6gd0usJHgoTTPhCFib8qqOwXYU=
github.com/urfave/cli/v2 v2.27.7/go.mod h1:CyNAG/xg+iAOg0N4MPGZqVmv2rCoP267496AOXUZjA4=
github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 h1:gEOO8jv9F4OT7lGCjxCBTO/36wtF6j2nSip77qHd4x4=
github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1/go.mod h1:Ohn+xnUBiLI6FVj/9LpzZWtj1/D6lUovWYBkxHVV3aM=
golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=

63
main.go
View File

@@ -5,30 +5,53 @@ import (
"fmt"
"log"
"os"
"time"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/joho/godotenv"
"github.com/urfave/cli/v2"
)
func main() {
err := godotenv.Load()
if err != nil {
log.Fatal("Error al cargar el archivo .env")
}
var pool *pgxpool.Pool
var ctx = context.Background()
dbpool, err := pgxpool.New(context.Background(), os.Getenv("PG_FROM_DB_URL"))
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to create connection pool: %v\n", err)
os.Exit(1)
}
defer dbpool.Close()
var greeting string
err = dbpool.QueryRow(context.Background(), "select 'Hello, world!'").Scan(&greeting)
if err != nil {
fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
os.Exit(1)
}
fmt.Println(greeting)
type Task struct {
Id int `json:"id"`
Text string `json:"text"`
Completed bool `json:"completed"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
func init() {
if err := godotenv.Load(); err != nil {
log.Fatal("Error al cargar el archivo .env", err)
}
var err error
pool, err = pgxpool.New(ctx, os.Getenv("PG_FROM_DB_URL"))
if err != nil {
log.Fatal("Unable to connect to database:", err)
}
if err := pool.Ping(ctx); err != nil {
log.Fatal("Unable to ping database:", err)
}
fmt.Println("Connected to PostgreSQL database!")
}
func main() {
app := &cli.App{
Name: "Go Todo App",
Usage: "A simple CLI program to manage your tasks",
Commands: []*cli.Command{
// We'll add commands here
},
}
err := app.Run(os.Args)
if err != nil {
log.Fatal(err)
}
}