text: 
  
  -------------------------------------------------------------------------------
  --  doc info
  -------------------------------------------------------------------------------
  CREATE TABLE DOC_INFO(
          ID BIGINT GENERATED BY DEFAULT AS IDENTITY(START WITH 1) NOT NULL,
  	NAME VARCHAR(200),
  	PATH VARCHAR(200),
  	TYPE INTEGER,
  	CREATE_TIME TIMESTAMP,
  	USER_ID BIGINT,
          CONSTRAINT PK_DOC_INFO PRIMARY KEY(ID)
  );
  
  