Initial commit including .env

scratch/list_tables.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+
+	_ "github.com/lib/pq"
+)
+
+func main() {
+	// DSN matches the one in connect.go and .env
+	dsn := "host=31.97.228.132 user=admin password=Package@321# dbname=logistics port=5433 sslmode=disable"
+	db, err := sql.Open("postgres", dsn)
+	if err != nil {
+		log.Fatalf("Failed to open DB: %v", err)
+	}
+	defer db.Close()
+
+	if err := db.Ping(); err != nil {
+		log.Fatalf("Failed to ping DB: %v", err)
+	}
+
+	fmt.Println("--- Listing Tables in logistics Database ---")
+	rows, err := db.Query(`
+		SELECT table_name 
+		FROM information_schema.tables 
+		WHERE table_schema = 'public' 
+		ORDER BY table_name;
+	`)
+	if err != nil {
+		log.Fatalf("Failed to query tables: %v", err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var name string
+		if err := rows.Scan(&name); err != nil {
+			log.Fatalf("Scan failed: %v", err)
+		}
+		fmt.Printf("Table: %s\n", name)
+	}
+}