text: USE bc_server_db;
  
  CREATE TABLE system_signal_i32_info
  (
  	id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  	ctime TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  	mtime TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  	
  	/* The name can't be changed */
  	/* sys_sig_name_lang_id INT unsigned not null,   */
  	
  	permission TINYINT UNSIGNED NOT NULL DEFAULT 6,
  	min_val INT NOT NULL DEFAULT 2147483647, /* 0x7FFFFFFF */
  	max_val INT NOT NULL DEFAULT 2147483647, /* 0x7FFFFFFF */
  	def_val INT NOT NULL DEFAULT 2147483647,
  	
  	/* Group language resource is from the sys_group_language_resource.csv */
  	group_lang_id SMALLINT UNSIGNED NOT NULL DEFAULT 0, 
  	
  	en_statistics BOOLEAN NOT NULL DEFAULT TRUE,
  	
  	/* ID in system_signal_info table */
  	system_signal_id INT UNSIGNED NOT NULL, 
  	
  	UNIQUE INDEX i_system_signal_id(system_signal_id)
  );