-- 新增期数
IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_MDS_DPSVRDSSET' AND KSQL_COL_NAME ='fweeknum')
 ALTER TABLE T_MDS_DPSVRDSSET ADD (fweeknum  BIGINT DEFAULT 0 NOT NULL );
 
 