sqlcmd.exe is hanging after running sql statement in inno package

• WaitingWonder2

  Mr or Mrs. 500

  Points: 534

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  October 18, 2011 at 8:19 am

  #96607

  Hello,

  I'm write installation package using inno for ms sql script. I have the following code:

  strParam := '-U hel -P password -S ServerName -d test -Q "sp_test"';

  try

  Exec('sqlcmd.exe', strParam, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);

  result := ResultCode = 0;

  except

  Exec('osql.exe', strParam, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);

  result := ResultCode = 0;

  end;

  Sp executes ok but black screen with sqlcmd.exe is hanging until either I type exit or close it. I want a window with sqlcmd.exe closed after sp is executed.

• Orlando Colamatteo

  SSC Guru

  Points: 182293

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  October 21, 2011 at 8:58 am

  #1398031

  WaitingWonder2 (10/18/2011)

  ---

  Hello,

  I'm write installation package using inno for ms sql script. I have the following code:

  strParam := '-U hel -P password -S ServerName -d test -Q "sp_test"';

  try

  Exec('sqlcmd.exe', strParam, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);

  result := ResultCode = 0;

  except

  Exec('osql.exe', strParam, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);

  result := ResultCode = 0;

  end;

  Sp executes ok but black screen with sqlcmd.exe is hanging until either I type exit or close it. I want a window with sqlcmd.exe closed after sp is executed.

  You can do this by invoking the cmd shell using the /C switch. You may need to rework your code to allow for the change in cmomand line structure however.

  Try running this from the Run prompt and you'll see what I mean:

  cmd /C "sqlcmd.exe /? > C:1.txt"

  As a side note...you have a potential latent bug in your code. It's not a good idea to use exceptions as a control flow mechanism. If you call to sqlcmd.exe does some work in the database but still exits with an error you could potentially run some database commands a second time with the call using osql in your except block. I would recommend employing a different approach to determining when to osql versus sqlcmd.

  There are no special teachers of virtue, because virtue is taught by the whole community.
  --Plato