bcp sqlcmd bulkinsert在unicode问题,Unexpected EOF encountered in BCP data-file

senario

进入sqlcmd使用:out xxx产生的数据文件，因为sqlcmd export to file 默认情况下，中国的乱码。因此，使用-u(unicode)开关

@echo off & setLocal EnableDelayedExpansion
:start
@SET DB=AdventureWorks2012
sqlcmd  -d%DB% -b -iscript.sql -v pa="out.txt" pwd="%cd%" -W -h-1
TIMEOUT 3
sqlcmd  -d%DB% -b -iout.txt -W -h-1 -s^| -u--<strong><strong>因为sqlcmd export to file 默认情况下中文乱码。故用-u(unicode)开关</strong></strong>
pause
GOTO start

到此，中文正常显示

SQLCMD ERROR

Starting copy...
SQLState = S1000, NativeError = 0
Error = [Microsoft][SQL Server Native Client 11.0]Unexpected EOF encountered in BCP data-file

0 rows copied.
Network packet size (bytes): 4096
Clock Time (ms.) Total     : 1

原因 datafile in Unicode format 用-c开关导入数据会出错

查看

watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvd2FuZ3pocHdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="">

打开-w开关，导入成功

watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvd2FuZ3pocHdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="">

小结

用bcp  in or out data时

1. ANSI         --> -c
2. UNICODE-->-w

Using BULK INSERT to Bulk Import Unicode Character Data

USE AdventureWorks2012;
GO
BULK INSERT myTestUniCharData
   FROM 'C:\myTestUniCharData-w.Dat'
   WITH (
      DATAFILETYPE='widechar', --unicoode
      FIELDTERMINATOR=','
   );
GO
SELECT Col1,Col2,Col3 FROM myTestUniCharData;
GO

參考：

• UNICODE与ANSI的差别【转】
• http://www.cnblogs.com/Pickuper/articles/2050427.html
• Use Unicode Character Format to Import or Export Data (SQL Server)
• https://msdn.microsoft.com/en-us/library/ms188289.aspx

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