
-- 下推退库数量
IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 't_im_mdc_prblentry_m' AND KSQL_COL_NAME ='fdownreturnqty') 
 ALTER TABLE t_im_mdc_prblentry_m ADD (fdownreturnqty DECIMAL(23,10) DEFAULT 0 NOT NULL);


