T-SQL 模拟彩票预测

  1 /******************************************************************
  2 drop table Number
  3 create table Number
  4 (
  5     ID  int identity(1,1),
  6     Ver varchar(5),
  7     Num1 int,
  8     Num2 int,
  9     Num3 int,
 10     Num4 int,
 11     Num5 int,
 12     Num6 int,
 13     Num7 int
 14 )
 15 
 16 select * from Number
 17 
 18 insert into Number
 19 select '23004','04','13','15','20','22','04','08' union all 
 20 select '23005','01','03','10','20','29','06','11' union all 
 21 select '23006','02','04','12','27','35','06','07' union all 
 22 select '23007','02','03','24','30','32','01','06' 
 23 
 24 ******************************************************************/
 25 IF(OBJECT_ID('tempdb..#Front')) IS NOT NULL 
 26 DROP TABLE #Front;
 27 CREATE TABLE #Front
 28 (
 29 Id int identity(1,1),
 30 Num int 
 31 )
 32 
 33 IF(OBJECT_ID('tempdb..#Back')) IS NOT NULL 
 34 DROP TABLE #Back;
 35 
 36 CREATE TABLE #Back
 37 (
 38 Id int identity(1,1),
 39 Num int 
 40 )
 41 
 42 DECLARE @FrontNum INT
 43 DECLARE @BackNum INT
 44 DECLARE @Rolling INT
 45 
 46 SET @Rolling = 1
 47 
 48 WHILE (@Rolling<=(SELECT COUNT(*)+1 FROM Number))
 49 BEGIN
 50 SET @FrontNum = 1
 51 
 52         WHILE(@FrontNum<=35)
 53         BEGIN 
 54             INSERT INTO #Front
 55             SELECT @FrontNum
 56         SET    @FrontNum = @FrontNum+1
 57         END
 58 SET @BackNum = 1
 59         WHILE(@BackNum<=12)
 60         BEGIN 
 61             INSERT INTO #Back
 62             SELECT @BackNum
 63         SET    @BackNum = @BackNum+1
 64         END
 65     SET    @Rolling = @Rolling+1
 66 END
 67 
 68 
 69 
 70 IF(OBJECT_ID('tempdb..#BASE')) IS NOT NULL 
 71 DROP TABLE #BASE;
 72 
 73 select 
 74  Ver
 75 ,KeyNum
 76 ,Value
 77 INTO #BASE
 78 FROM Number
 79 UNPIVOT
 80 (
 81 Value for KeyNum in ([Num1], [Num2], [Num3], [Num4], [Num5], [Num6], [Num7])
 82 ) a
 83 
 84 
 85 DECLARE Front_Cursor Cursor
 86 FOR SELECT [Value] as Num FROM #BASE WHERE RIGHT(KeyNum,1)<=5;
 87 
 88 OPEN Front_Cursor;
 89 DECLARE @Var_Front int;
 90 FETCH NEXT FROM Front_Cursor into @Var_Front
 91 WHILE (@@FETCH_STATUS=0)
 92 BEGIN 
 93     DELETE FROM #Front WHERE ID IN (SELECT top 1 id FROM #Front WHERE Num = @Var_Front order by id)
 94     FETCH NEXT FROM Front_Cursor into @Var_Front
 95 END
 96 GO
 97 CLOSE Front_Cursor;
 98 DEALLOCATE Front_Cursor;
 99 
100 
101 DECLARE Back_Cursor Cursor
102 FOR SELECT [Value] as Num FROM #BASE WHERE RIGHT(KeyNum,1)>5;
103 
104 OPEN Back_Cursor;
105 DECLARE @Var_Back int;
106 FETCH NEXT FROM Back_Cursor into @Var_Back
107 WHILE (@@FETCH_STATUS=0)
108 BEGIN 
109     DELETE FROM #Back WHERE ID IN (SELECT top 1 id FROM #Back WHERE Num = @Var_Back order by id)
110     FETCH NEXT FROM Back_Cursor into @Var_Back
111 END
112 GO
113 CLOSE Back_Cursor;
114 DEALLOCATE Back_Cursor;
115 
116 
117 
118 /***************************
119 Finial
120 **************************/
121 
122 IF(OBJECT_ID('tempdb..#Finial')) IS NOT NULL 
123 DROP TABLE #Finial;
124 CREATE TABLE #Finial
125 (
126 Id int identity(1,1),
127 Num int 
128 )
129 
130 DECLARE @Seq1 int
131 DECLARE @Num1 int
132 SET @Seq1 = 1 
133 WHILE (@Seq1<=5)
134 BEGIN
135     SET @Num1 = (SELECT TOP 1 Num from #Front order by NEWID())
136     PRINT @Num1
137     INSERT INTO  #Finial SELECT @Num1
138     DELETE FROM #Front WHERE Num = @Num1
139     SET @Seq1 = @Seq1+1
140 END
141 
142 DECLARE @Seq2 int
143 DECLARE @Num2 int
144 SET @Seq2 = 1
145 WHILE (@Seq2<=2)
146 BEGIN
147     SET @Num2 = (SELECT TOP 1 Num from #Back order by NEWID())
148     INSERT INTO #Finial SELECT @Num2
149     DELETE FROM #Back WHERE Num = @Num2
150     SET @Seq2 = @Seq2+1
151 END
152 
153 
154 IF(OBJECT_ID('tempdb..#RESULT')) IS NOT NULL 
155 DROP TABLE #RESULT;
156 
157 WITH CTE AS
158 (
159 SELECT ROW_NUMBER()over(order by Num) as Seq,Num from #Finial where id<=5 
160 UNION ALL
161 SELECT ROW_NUMBER()over(order by Num)+5 as Seq,Num from #Finial where id>5 
162 )
163 ,Final as 
164 (
165 
166 SELECT 
167  'Num'+CONVERT(varchar,Seq) as NumSeq 
168 ,Num as Value 
169 FROM CTE 
170 )
171 
172 
173 SELECT * INTO #RESULT 
174 FROM Final
175 PIVOT
176 (
177 SUM(Value) FOR NumSeq in (Num1,Num2,Num3,Num4,Num5,Num6,Num7)
178 ) a 
179 
180 SELECT * FROM #RESULT