批量更新节假日安排表单的工作日序号字段.sql

批量更新节假日安排表单的工作日序号字段.sql

@@ -0,0 +1,25 @@
+MERGE INTO uf_jjrapxx t
+USING (
+       
+       WITH
+paixu as (
+SELECT lx,rq, ROW_NUMBER() OVER (ORDER BY id) AS id FROM uf_jjrapxx  ORDER BY rq
+
+),
+tmp1 AS (
+SELECT id,rq, ROW_NUMBER() OVER (ORDER BY id) AS gzrxh FROM paixu WHERE lx=0
+),
+
+tmp2 AS (
+SELECT a.id,a.rq,      LEVEL  AS det FROM paixu a  START WITH a.lx=0 OR a.id = 1  CONNECT BY PRIOR a.id=a.id-1 AND a.lx!=0 ORDER BY rq
+
+)
+SELECT a.id,a.rq, CASE WHEN a.id = 1 THEN 0 ELSE b.gzrxh END AS gzrxh FROM tmp2 a LEFT JOIN tmp1 b ON a.id-a.det+1=b.id
+) s
+ON (t.id = s.id)
+WHEN MATCHED THEN
+UPDATE SET t.gzrxh = s.gzrxh
+
+
+
+