text: 
  
  -------------------------------------------------------------------------------
  --  disk info
  -------------------------------------------------------------------------------
  CREATE TABLE DISK_INFO(
      ID BIGINT NOT NULL,
  	NAME VARCHAR(200),
  	DESCRIPTION VARCHAR(255),
  	TYPE VARCHAR(50),
  	FILE_SIZE BIGINT,
  	CREATOR VARCHAR(64),
  	CREATE_TIME DATETIME,
  	REF VARCHAR(200),
  	PREVIEW_STATUS VARCHAR(50),
  	PREVIEW_REF VARCHAR(200),
  	PARENT_ID BIGINT,
  	PARENT_PATH VARCHAR(200),
  	DIR_TYPE INT,
  	PRIORITY INT,
  
  	LAST_MODIFIER VARCHAR(64),
  	LAST_MODIFIED_TIME DATETIME,
  	STATUS VARCHAR(50),
  	EXPIRE_TIME DATETIME,
  	CHECKOUT_STATUS VARCHAR(50),
  	FILE_VERSION VARCHAR(50),
  	SECURITY_LEVEL VARCHAR(50),
      CONSTRAINT PK_DISK_INFO PRIMARY KEY(ID),
  	CONSTRAINT FK_DISK_INFO_PARENT FOREIGN KEY (PARENT_ID) REFERENCES DISK_INFO(ID)
  );
  
  
  
  