

-- 领料差异分摊下推条数
  IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 't_im_mdc_backdifshare' AND KSQL_COL_NAME ='fpushnum') 
 ALTER TABLE t_im_mdc_backdifshare ADD (fpushnum bigint not null default 500);
 
 