YashanDB ROW_NUMBER 函数

-- sales_info_range表中包含如下字段和数据SELECT year,month,branch,product,quantity,amount,salsperson FROM sales_info_range;YEAR  MONTH BRANCH PRODUCT      QUANTITY      AMOUNT SALSPERSON----- ----- ------ --------- ----------- ----------- -------------2001  01    0101   11001              30         500 02010100112000  12    0102   11001              20         3002015  11    0101   11001              20         3002015  03    0102   11001              20         3002021  10    0101   11001              20         3002021  05    0101   11001              40         600
-- 按branch进行分组，并在组内按amount进行排序SELECT branch,amount,year,month,quantity,		ROW_NUMBER() OVER (PARTITION BY branch ORDER BY amount) rownumber_resFROM sales_infoWHERE product='11001'ORDER BY branch,quantity;BRANCH      AMOUNT YEAR  MONTH    QUANTITY         ROWNUMBER_RES------ ----------- ----- ----- ----------- ---------------------0101           300 2015  11             20                     10101           600 2021  05             40                     20102           300 2015  03             20                     20102           300 2000  12             20                     10201           500 2001  01             30                     10402           300 2021  10             20                     1