--差异分摊增加盘点数量允许负数
IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_BACKDIFSHARE' AND KSQL_COL_NAME ='FISNEGATIVE') 
	 ALTER TABLE T_IM_MDC_BACKDIFSHARE ADD (FISNEGATIVE CHAR(1) NOT NULL DEFAULT '0');
