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-- Author: <桦仔>-- Blog: <http://www.cnblogs.com/lyhabc/>-- Create date: <//>-- Description: <根据查询条件导出表数据的insert脚本>-- =============================================CREATE PROCEDURE InsertGenerator(@tableName NVARCHAR(MAX),@whereClause NVARCHAR(MAX))AS --Then it includes a cursor to fetch column specific information (column name and the data type thereof) --from information_schema.columns pseudo entity and loop through for building the INSERT and VALUES clauses --of an INSERT DML statement.DECLARE @string NVARCHAR(MAX) --for storing the first half of INSERT statementDECLARE @stringData NVARCHAR(MAX) --for storing the data (VALUES) related statementDECLARE @dataType NVARCHAR(MAX) --data types returned for respective columnsDECLARE @schemaName NVARCHAR(MAX) --schema name returned from sys.schemasDECLARE @schemaNameCount int--shema countDECLARE @QueryString NVARCHAR(MAX) -- provide for the whole query, set @QueryString=' '--如果有多个schema，选择其中一个schemaSELECT @schemaNameCount=COUNT(*)FROM sys.tables tINNER JOIN sys.schemas s ON t.schema_id = s.schema_idWHERE t.name = @tableNameWHILE(@schemaNameCount>)BEGIN--如果有多个schema，依次指定select @schemaName = name from (SELECT ROW_NUMBER() over(order by s.schema_id) RowID,s.nameFROM sys.tables tINNER JOIN sys.schemas s ON t.schema_id = s.schema_idWHERE t.name = @tableName) as vwhere RowID=@schemaNameCount--Declare a cursor to retrieve column specific information --for the specified tableDECLARE cursCol CURSOR FAST_FORWARDFORSELECT column_name ,data_typeFROM information_schema.columnsWHERE table_name = @tableNameAND table_schema = @schemaNameOPEN cursColSET @string = 'INSERT INTO [' + @schemaName + '].[' + @tableName + ']('SET @stringData = ''DECLARE @colName NVARCHAR()FETCH NEXT FROM cursCol INTO @colName, @dataTypePRINT @schemaNamePRINT @colNameIF @@fetch_status <> BEGINPRINT 'Table ' + @tableName + ' not found, processing skipped.'CLOSE curscolDEALLOCATE curscolRETURNENDWHILE @@FETCH_STATUS = BEGINIF @dataType IN ( 'varchar', 'char', 'nchar', 'nvarchar' )BEGINSET @stringData = @stringData + '''''''''+isnull(' + @colName + ','''')+'''''',''+'ENDELSEIF @dataType IN ( 'text', 'ntext' ) --if the datatype --is text or something else BEGINSET @stringData = @stringData + '''''''''+isnull(cast(' + @colName + ' as nvarchar(max)),'''')+'''''',''+'ENDELSEIF @dataType = 'money' --because money doesn't get converted --from varchar implicitlyBEGINSET @stringData = @stringData+ '''convert(money,''''''+isnull(cast(' + @colName+ ' as nvarchar(max)),''.'')+''''''),''+'ENDELSEIF @dataType = 'datetime'BEGINSET @stringData = @stringData+ '''convert(datetime,''''''+isnull(cast(' + @colName + ' as nvarchar(max)),'''')+''''''),''+'ENDELSEIF @dataType = 'image'BEGINSET @stringData = @stringData + '''''''''+isnull(cast(convert(varbinary,' + @colName + ') as varchar()),'''')+'''''',''+'ENDELSE --presuming the data type is int,bit,numeric,decimal BEGINSET @stringData = @stringData + '''''''''+isnull(cast(' + @colName + ' as nvarchar(max)),'''')+'''''',''+'ENDSET @string = @string + '[' + @colName + ']' + ','FETCH NEXT FROM cursCol INTO @colName, @dataTypeEND--After both of the clauses are built, the VALUES clause contains a trailing comma which needs to be replaced with a single quote. The prefixed clause will only face removal of the trailing comma.DECLARE @Query NVARCHAR(MAX) -- provide for the whole query, -- you may increase the sizePRINT @whereClauseIF ( @whereClause IS NOT NULLAND @whereClause <> '')BEGIN SET @query = 'SELECT ''' + SUBSTRING(@string, , LEN(@string))+ ') VALUES(''+ ' + SUBSTRING(@stringData, ,LEN(@stringData) - )+ '''+'')'' FROM ' +@schemaName+'.'+ @tableName + ' WHERE ' + @whereClausePRINT @query-- EXEC sp_executesql @query --load and run the built query--Eventually, close and de-allocate the cursor created for columns information.ENDELSEBEGIN SET @query = 'SELECT ''' + SUBSTRING(@string, , LEN(@string))+ ') VALUES(''+ ' + SUBSTRING(@stringData, ,LEN(@stringData) - )+ '''+'')'' FROM ' + @schemaName+'.'+ @tableNameENDCLOSE cursColDEALLOCATE cursColSET @schemaNameCount=@schemaNameCount-IF(@schemaNameCount=)BEGINSET @QueryString=@QueryString+@queryENDELSEBEGINSET @QueryString=@QueryString+@query+' UNION ALL 'ENDPRINT convert(varchar(max),@schemaNameCount)+'---'+@QueryStringENDEXEC sp_executesql @QueryString --load and run the built query--Eventually, close and de-allocate the cursor created for columns information.

这里要声明一下，如果你有多个schema，并且每个schema下面都有同一张表，那么脚本只会生成其中一个schema下面的表insert脚本

比如我现在有三个schema，下面都有customer这个表

CREATE TABLE dbo.[customer](city int,region int)CREATE SCHEMA testCREATE TABLE test.[customer](city int,region int)CREATE SCHEMA test1CREATE TABLE test1.[customer](city int,region int)

在执行脚本的时候他只会生成dbo这个schema下面的表insert脚本

INSERT INTO [dbo].[customer]([city],[region]) VALUES('1','2')

这个脚本有一个缺陷

无论你的表的字段是什麽数据类型，导出来的时候只能是字符

表结构

CREATE TABLE [dbo].[customer](city int,region int)

导出来的insert脚本

INSERT INTO [dbo].[customer]([city],[region]) VALUES('1','2')

我这里演示一下怎麽用

有两种方式

1、导全表数据

InsertGenerator 'customer', null

或

InsertGenerator 'customer', ' '

2、根据查询条件导数据

InsertGenerator 'customer', 'city=3'

或者

InsertGenerator 'customer', 'city=3 and region=8'

点击一下，选择全部

然后复制

新建一个查询窗口，然后粘贴

其实SQLServer的技巧有很多

最后，大家可以看一下代码，非常简单，如果要支持SQLServer2000，只要改一下代码就可以了

补充：创建一张测试表

CREATE TABLE testinsert (id INT,name VARCHAR(100),cash MONEY,dtime DATETIME)INSERT INTO [dbo].[testinsert]( [id], [name], [cash], [dtime] )VALUES ( 1, -- id - int'nihao', -- name - varchar(100)8.8, -- cash - moneyGETDATE() -- dtime - datetime)SELECT * FROM [dbo].[testinsert]

测试

InsertGenerator 'testinsert' ,''InsertGenerator 'testinsert' ,'name=''nihao'''InsertGenerator 'testinsert' ,'name=''nihao'' and cash=8.8'

datetime类型会有一些问题

生成的结果会自动帮你转换

INSERT INTO [dbo].[testinsert]([id],[name],[cash],[dtime]) VALUES('1','nihao',convert(money,'8.80'),convert(datetime,'02 8 2015 5:17PM'))

--------------------------------------------------------------------------------

群里的人共享的另一个脚本

IF OBJECT_ID('spGenInsertSQL','P') IS NOT NULL DROP PROC spGenInsertSQLGOCREATE proc spGenInsertSQL (@tablename varchar(256),@number BIGINT,@whereClause NVARCHAR(MAX))asbegindeclare @sql varchar(8000)declare @sqlValues varchar(8000)set @sql =' ('set @sqlValues = 'values (''+'select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],'from(select casewhen xtype in (48,52,56,59,60,62,104,106,108,122,127) then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end'when xtype in (58,61,40,41,42)then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end'when xtype in (167)then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'when xtype in (231)then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'when xtype in (175)then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'when xtype in (239)then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'else '''NULL'''end as Cols,namefrom syscolumns where id = object_id(@tablename)) TIF (@number!=0 AND @number IS NOT NULL)BEGINset @sql ='select top '+ CAST(@number AS VARCHAR(6000))+' ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablenameprint @sqlENDELSEBEGIN set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablenameprint @sqlENDPRINT @whereClauseIF ( @whereClause IS NOT NULL AND @whereClause <> '')BEGINset @sql =@sql+' where '+@whereClauseprint @sqlENDexec (@sql)endGO

调用示例

--非dbo默认架构需注意--支持数据类型 ：bigint，int， bit，char，datetime，date，time，decimal，money， nvarchar(50)，tinyint， nvarchar(max)，varchar(max)，datetime2--调用示例 如果top行或者where条件为空，只需要把参数填上nullspGenInsertSQL 'customer' --表名, 2 --top 行数, 'city=3 and didian=''大连'' ' --where 条件--导出全表 where条件为空spGenInsertSQL 'customer' --表名, null --top 行数,null --where 条件INSERT INTO [Department] ([DepartmentID],[Name],[GroupName],[Company],[ModifiedDate]) values (1,N'售后部',N'销售组',N'中国你好有限公司XX分公司','05 5 2015 5:58PM')INSERT INTO [Department] ([DepartmentID],[Name],[GroupName],[Company],[ModifiedDate]) values (2,N'售后部',N'销售组',N'中国你好有限公司XX分公司','05 5 2015 5:58PM')

以上所述是本文给大家分享的将表里的数据批量生成INSERT语句的存储过程增强版，希望大家喜欢。

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