1 USE [test]
  2 GO
  3 
  4 --一个计算日期连续性的脚本
  5 --需求：查找指定天数的连续交易的记录，比如连续2天发生，连续3天发生等等。 
  6 /****** Object:  Table [dbo].[liu_shui]    Script Date: 11/11/2015 14:36:05 ******/
  7 SET ANSI_NULLS ON
  8 GO
  9 SET QUOTED_IDENTIFIER ON
 10 GO
 11 CREATE TABLE [dbo].[liu_shui](
 12     [d_date] [date] NOT NULL,
 13     [i_id] [int] IDENTITY(1,1) NOT NULL,
 14  CONSTRAINT [PK_liu_shui] PRIMARY KEY CLUSTERED 
 15 (
 16     [i_id] ASC
 17 )WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
 18 ) ON [PRIMARY]
 19 GO
 20 SET IDENTITY_INSERT [dbo].[liu_shui] ON
 21 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xA73A0B00 AS Date), 1)
 22 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xA83A0B00 AS Date), 2)
 23 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xA93A0B00 AS Date), 3)
 24 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xAA3A0B00 AS Date), 4)
 25 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xAB3A0B00 AS Date), 5)
 26 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xAD3A0B00 AS Date), 6)
 27 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xAF3A0B00 AS Date), 8)
 28 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xB03A0B00 AS Date), 9)
 29 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xB23A0B00 AS Date), 11)
 30 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xB33A0B00 AS Date), 12)
 31 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xB53A0B00 AS Date), 13)
 32 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xB83A0B00 AS Date), 14)
 33 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xB93A0B00 AS Date), 15)
 34 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xBA3A0B00 AS Date), 16)
 35 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xBB3A0B00 AS Date), 17)
 36 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xBC3A0B00 AS Date), 18)
 37 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xBD3A0B00 AS Date), 19)
 38 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xBE3A0B00 AS Date), 20)
 39 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xBF3A0B00 AS Date), 21)
 40 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC03A0B00 AS Date), 22)
 41 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC13A0B00 AS Date), 23)
 42 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC23A0B00 AS Date), 24)
 43 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC33A0B00 AS Date), 25)
 44 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC43A0B00 AS Date), 26)
 45 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC53A0B00 AS Date), 27)
 46 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC63A0B00 AS Date), 28)
 47 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC73A0B00 AS Date), 29)
 48 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC83A0B00 AS Date), 30)
 49 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xC93A0B00 AS Date), 31)
 50 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xCB3A0B00 AS Date), 32)
 51 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xCC3A0B00 AS Date), 33)
 52 INSERT [dbo].[liu_shui] ([d_date], [i_id]) VALUES (CAST(0xCD3A0B00 AS Date), 34)
 53 INSERT [dbo].[liu_shui] ([d