new changes

scratch/check_db_schema.go

@@ -0,0 +1,92 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+
+	_ "github.com/jackc/pgx/v5/stdlib"
+)
+
+func main() {
+	dsn := "host=66.116.207.225 port=5433 user=admin password=Package@123# dbname=nearledb sslmode=disable"
+	db, err := sql.Open("pgx", dsn)
+	if err != nil {
+		log.Fatalf("Error opening db connection: %v", err)
+	}
+	defer db.Close()
+
+	err = db.Ping()
+	if err != nil {
+		log.Fatalf("Error pinging db: %v", err)
+	}
+	fmt.Println("Connected successfully to PostgreSQL!")
+
+	// 1. Group users by roleid
+	query1 := `
+		SELECT roleid, COUNT(*), MIN(authname) AS sample_user
+		FROM app_users
+		GROUP BY roleid
+		ORDER BY roleid;
+	`
+	rows1, err := db.Query(query1)
+	if err != nil {
+		log.Fatalf("Query1 error: %v", err)
+	}
+	defer rows1.Close()
+
+	fmt.Println("\n--- USER COUNTS BY ROLEID ---")
+	for rows1.Next() {
+		var roleid sql.NullInt64
+		var count int
+		var sampleUser sql.NullString
+		if err := rows1.Scan(&roleid, &count, &sampleUser); err != nil {
+			log.Fatalf("Row scan error: %v", err)
+		}
+		fmt.Printf("Role ID: %5d | Count: %5d | Sample User: %s\n", roleid.Int64, count, sampleUser.String)
+	}
+
+	// 2. Fetch list of tables matching 'rider' or 'pool'
+	query2 := `
+		SELECT table_name
+		FROM information_schema.tables
+		WHERE table_name LIKE '%rider%' OR table_name LIKE '%pool%' OR table_name LIKE '%staff%';
+	`
+	rows2, err := db.Query(query2)
+	if err != nil {
+		log.Fatalf("Query2 error: %v", err)
+	}
+	defer rows2.Close()
+
+	fmt.Println("\n--- RIDER/POOL/STAFF TABLES ---")
+	for rows2.Next() {
+		var tableName string
+		if err := rows2.Scan(&tableName); err != nil {
+			log.Fatalf("Row scan error: %v", err)
+		}
+		fmt.Println("Table Name:", tableName)
+	}
+
+	// 3. Check triggers on app_users
+	query3 := `
+		SELECT tgname, tgtype, pg_get_triggerdef(pg_trigger.oid)
+		FROM pg_trigger
+		JOIN pg_class ON pg_class.oid = tgrelid
+		WHERE relname = 'app_users';
+	`
+	rows3, err := db.Query(query3)
+	if err != nil {
+		log.Fatalf("Query3 error: %v", err)
+	}
+	defer rows3.Close()
+
+	fmt.Println("\n--- TRIGGERS ON app_users ---")
+	for rows3.Next() {
+		var tgname, tgdef string
+		var tgtype int
+		if err := rows3.Scan(&tgname, &tgtype, &tgdef); err != nil {
+			log.Fatalf("Row scan error: %v", err)
+		}
+		fmt.Printf("Trigger: %s | Type: %d | Def: %s\n", tgname, tgtype, tgdef)
+	}
+}