It affects queries using subsequence() with two more conditions: 1.) some items at the start are skipped and 2.) the result of subsequence is used as input for other expressions.
I think the problem can also be avoided by using conditions on positions instead (for $a at $pos in ... where $pos > 10).
So it's your decision...
On Apr 24, 2009, at 12:51, Sjoerd Mullender wrote:
Is this a reason to rebuild the release?
Yesterday I built release candidates and I don't really want to do that again if I can avoid it.
Jan Rittinger wrote:
Update of /cvsroot/monetdb/pathfinder/compiler/mil In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv7388/mil
Modified Files: Tag: Feb2009 milgen.brg Log Message: -- Fix alignment problem in the MIL generation of the slice() operator.
Scary, but true: Some rules in the MIL generation require the head values to start with 0@0 as they add new columns with offset 0.
U milgen.brg Index: milgen.brg =================================================================== RCS file: /cvsroot/monetdb/pathfinder/compiler/mil/milgen.brg,v retrieving revision 1.201.2.10 retrieving revision 1.201.2.11 diff -u -d -r1.201.2.10 -r1.201.2.11 --- milgen.brg 18 Mar 2009 09:16:50 -0000 1.201.2.10 +++ milgen.brg 24 Apr 2009 10:12:15 -0000 1.201.2.11 @@ -4708,7 +4708,11 @@ assgn (var (tmp->name), slice (var (env_at (L(p)->env, i).mvar-
name),
lit_int (p->sem.slice.low),
lit_int (p->sem.slice.high))));
lit_int (p->sem.slice.high))),/* scary but true -- we need to let theseqbases start
with 0@0 as otherwise alignment problemsarise */
assgn (var (tmp->name),tmark (var (tmp->name), lit_oid (0)))); env_add (p->env, env_at (L(p)->env, i).col,
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-- Sjoerd Mullender
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