 
  
   
  
  каталог папки base и global
FATAL: invalid page in block 0 of relation global/1260".
 
  
  location / {
  proxy_set_header X-Real-IP $remote_addr;
  proxy_pass http://192.168.1.100;
} 
  
   
  
   
  
   
  
  ALTER TABLE ... ADD COLUMN ..., описанная в документации, например, тут: https://postgrespro.ru/docs/postgresql/16/sql-alte...         
  
  show shared_buffers;show work_mem;show random_page_cost; 
  
   
  
  try ... catch блок.from psycopg2 import errors
.........
# Подключение к базе данных
    try:
        conn = psycopg2.connect(
            dbname=os.getenv("DB_NAME"),
            user=os.getenv("DB_USERNAME"),
            password=os.getenv("DB_PASSWORD"),
            host=os.getenv("DB_HOST"),
            port=os.getenv("DB_PORT"),
        )
    except psycopg2.Error as err:
        print("\nError: ", err)
    sql = """
        SELECT table_name
        FROM information_schema.tables
        WHERE table_schema = 'public'
        AND table_type = 'BASE TABLE';
    """
    with conn:
        with conn.cursor() as cursor:
            try:
                cursor.execute(sql)
            except psycopg2.Error as err:
                print("\nError: ", err)                
            # Получение результата и распечатка
            result = cursor.fetchall()
            print(len(result)) 
  
   
  
  public."user".