On Mon, Oct 29, 2007 at 10:00:19AM +0000, Jan Rittinger wrote:

Update of /cvsroot/monetdb/pathfinder/compiler/algebra In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv15130/algebra

Modified Files: Tag: XQuery_0-20 intro_rec_border.c Log Message: -- Fix a bug for recursive queries detected by Maurice.

which one? and should it (the bug, resp. its fix) be tested? Stefan

Index: intro_rec_border.c =================================================================== RCS file: /cvsroot/monetdb/pathfinder/compiler/algebra/intro_rec_border.c,v retrieving revision 1.5 retrieving revision 1.5.4.1 diff -u -d -r1.5 -r1.5.4.1 --- intro_rec_border.c 27 Jun 2007 13:46:26 -0000 1.5 +++ intro_rec_border.c 29 Oct 2007 10:00:16 -0000 1.5.4.1 @@ -95,6 +95,13 @@ } break;

+ case pa_fcns: + /* this also skips the introduction of a rec_border + operator for the content of an empty elements: + elem (fcns (nil, nil)). */ + if (R(n)->kind == pa_nil) + break; + /* else fall through */ default: /* follow the children until a base or a leaf is reached */ for (unsigned int i = 0; i < PFPA_OP_MAXCHILD && n->child[i]; i++)

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