SQL 导出表数据存储过程

SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

-- =============================================
-- Author:
-- Create date:
-- Description: 将表数据生成Insert脚本
-- Demo : exec pCreateInsertScript 'TestTable','1=1'
-- =============================================
CREATE PROC [dbo].[pCreateInsertScript] (
	@tablename VARCHAR(256)
	,@con NVARCHAR(400)
	)
AS
BEGIN
	SET NOCOUNT ON

	DECLARE @sqlstr VARCHAR(4000)
	DECLARE @sqlstr1 VARCHAR(4000)
	DECLARE @sqlstr2 VARCHAR(4000)

	SELECT @sqlstr = 'select ''insert ' + @tablename

	SELECT @sqlstr1 = ''

	SELECT @sqlstr2 = '('

	SELECT @sqlstr1 = 'values (''+'

	SELECT @sqlstr1 = @sqlstr1 + col + '+'',''+'
		,@sqlstr2 = @sqlstr2 + NAME + ','
	FROM (
		SELECT CASE
				WHEN a.xtype = 173
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(' + convert(VARCHAR(4), a.length * 2 + 2) + '),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 104
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(1),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 175
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + '''''''''+' + 'replace(' + a.NAME + ','''''''','''''''''''')' + '+''''''''' + ' end'
				WHEN a.xtype = 61
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + '''''''''+' + 'convert(varchar(23),' + a.NAME + ',121)' + '+''''''''' + ' end'
				WHEN a.xtype = 106
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(' + convert(VARCHAR(4), a.xprec + 2) + '),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 62
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(23),' + a.NAME + ',2)' + ' end'
				WHEN a.xtype = 56
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(11),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 60
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(22),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 239
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + '''''''''+' + 'replace(' + a.NAME + ','''''''','''''''''''')' + '+''''''''' + ' end'
				WHEN a.xtype = 108
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(' + convert(VARCHAR(4), a.xprec + 2) + '),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 231
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + '''''''''+' + 'replace(' + a.NAME + ','''''''','''''''''''')' + '+''''''''' + ' end'
				WHEN a.xtype = 59
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(23),' + a.NAME + ',2)' + ' end'
				WHEN a.xtype = 58
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + '''''''''+' + 'convert(varchar(23),' + a.NAME + ',121)' + '+''''''''' + ' end'
				WHEN a.xtype = 52
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(12),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 122
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(22),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 127
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(6),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 48
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(6),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 165
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + 'convert(varchar(' + convert(VARCHAR(4), a.length * 2 + 2) + '),' + a.NAME + ')' + ' end'
				WHEN a.xtype = 167
					THEN 'case when ' + a.NAME + ' is null then ''NULL'' else ' + '''''''''+' + 'replace(' + a.NAME + ','''''''','''''''''''')' + '+''''''''' + ' end'
				ELSE '''NULL'''
				END AS col
			,a.colid
			,a.NAME
		FROM syscolumns a
		WHERE a.id = object_id(@tablename)
			AND a.xtype <> 189
			AND a.xtype <> 34
			AND a.xtype <> 35
			AND a.xtype <> 36
		) t
	ORDER BY colid

	SELECT @sqlstr = @sqlstr + left(@sqlstr2, len(@sqlstr2) - 1) + ') ' + left(@sqlstr1, len(@sqlstr1) - 3) + ');'' from ' + @tablename + ' where 1=1 and ' + isnull(@con, '')

	PRINT @sqlstr

	EXEC (@sqlstr)

	SET NOCOUNT OFF
END
GO