tree e1ed3d39732a450d9e81adcfc21414b80fd6c356
parent f6cb99190cb2573f2b1fb3f42d56f0200638e517
author buyingyi <buyingyi@123451ca-8445-de46-9d55-352943316053> 1363213748 +0000
committer buyingyi <buyingyi@123451ca-8445-de46-9d55-352943316053> 1363213748 +0000

fix external gby to not open the writer twice

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_asterix_stabilization@3110 123451ca-8445-de46-9d55-352943316053