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Fix go example #415

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Oct 17, 2025
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Fix go example #415

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13 changes: 7 additions & 6 deletions docs/connect/go.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,23 +24,24 @@ import (
"context"
"fmt"
"os"

"github.com/jackc/pgx/v5"
)

func main() {


ctx := context.Background()

// urlExample := "postgres://username:password@localhost:5432/schema_name"
conn, err := pgx.Connect(ctx, os.Getenv("DATABASE_URL"))
conn, err := pgx.Connect(ctx, os.Getenv("CRATE_URL"))
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
os.Exit(1)
}
defer conn.Close(ctx)
err = conn.Query(ctx, "SELECT mountain, height FROM sys.summits ORDER BY height DESC LIMIT 3").Scan()
defer conn.Close(context.Background())
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@amotl amotl Oct 17, 2025 •
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Can't ctx be reused here, or must it NOT be used here intentionally? So, a new context.Background() is needed at this spot?

defer conn.Close(ctx)

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@kneth kneth Oct 18, 2025

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It probably can


rows, err := conn.Query(ctx, "SELECT mountain, height FROM sys.summits ORDER BY height DESC LIMIT 3")
if err != nil {
fmt.Fprintf(os.Stderr, "Query failed: %v\n", err)
os.Exit(1)
Expand All @@ -53,7 +54,7 @@ func main() {
fmt.Fprintf(os.Stderr, "Scan failed: %v\n", err)
os.Exit(1)
}
fmt.Println(name, height)
fmt.Println(mountain, height)
}
if err := rows.Err(); err != nil {
fmt.Fprintf(os.Stderr, "Rows error: %v\n", err)
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