[Monetdb-developers] other optimizer pipelines

2010-04-09 Thread Wouter Alink
Dear M5 developers, Yesterday I reported a bug regarding the minimal optimizer pipe (ID: 2983773). And, as expected, I was asked to add a test for the issue, which I would like to do. The bug is triggered as follows: - start an mserver5 instance with the optimizer pipe set to the minimal pipe: "i

Re: [Monetdb-developers] Search MonetDB Source - character processing at light speed :-)

2011-03-21 Thread Wouter Alink
eeded. Kind regards, Wouter Alink On Mon, Mar 21, 2011 at 3:56 PM, Stefan de Konink wrote: > On Mon, 21 Mar 2011, Arjen P. de Vries wrote: > >> Feel free to use the suffix array search demo of the MonetDB source >> tree where you see fit: >>  http://devel.spinque.com/SearchM

[Monetdb-developers] compiling MonetDB4

2007-01-19 Thread Wouter Alink
Hello developers, i (successfully) compiled buildtools and MonetDB. (todays cvs-head, after the recent bugfixes by sjoerd) I tried to compile MonetDB4, but the following thing bothered me: - src/tool/embeddedclient.mx refers to Mapi.h, but the compiler cannot find it. (and me neither) am i do

Re: [Monetdb-developers] multiple XQuery statements in one xq file

2007-04-13 Thread Wouter Alink
a function would be the counterexample: declare function x() as node { () }; x() myXQ, wouter -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Fabian Groffen Sent: vrijdag 13 april 2007 12:44 To: [EMAIL PROTECTED] Subject: Re: [Monetdb-developers] multip

Re: [Monetdb-developers] [Monetdb-pf-checkins] pathfinder/tests/StandOff StandOff.py, , 1.10, 1.11

2008-12-30 Thread Wouter Alink
> was/is it you intension to force all StandOff testing though the Algebra > back-end (added "-A" option for pf; see below), i.e., ignoring/overruling > the compile time default / choice (whch is indeed the Algebra back-end) as > well as the choice on the Mtest.py command line? > > If so, why? Does

Re: [Monetdb-developers] [Monetdb-pf-checkins] pathfinder/tests/StandOff StandOff.py, , 1.10, 1.11

2008-12-30 Thread Wouter Alink
Ah... I figured out why now... I hadn't seen your recent changes to main.c. Thanks, Wouter 2008/12/23 Wouter Alink : >> was/is it you intension to force all StandOff testing though the Algebra >> back-end (added "-A" option for pf; see below), i.e., ignoring/ove

[Monetdb-developers] XQ: unaligned access

2009-04-17 Thread Wouter Alink
Hello, I currently get many of the following messages on the Mserver console, while shredding a collection of XML documents with yesterdays stable nightly build (using 32-bit oids on a 64-bit machine): Mserver(31123): unaligned access to 0x2000de29726f, ip=0x2133c101 Mserver(31123): u

[Monetdb-developers] mclient mem-usage during --dump

2009-05-25 Thread Wouter Alink
Hello, Question: is there any reason for mclient to use (large) amounts of memory during a dump of a sql database? syntax used: $ mclient -lsql -D -dsomedatabase > dump.sql I observe >12 GB of resident memory use when dumping a 2GB (in dump text format) database (it steadily grows), using the Ma

Re: [Monetdb-developers] mclient mem-usage during --dump

2009-05-27 Thread Wouter Alink
)alloc-call goes unchecked. I don't know the MonetDB coding policy here, but perhaps they should all at least have an accompanying assert? The following one-liner in the clients package reveals some issues: $ grep "alloc(" -A2 src/mapilib/Mapi.mx 2009/5/25 Wouter Alink : > Hello, &

Re: [Monetdb-developers] [ monetdb-Bugs-2787825 ] mclient: stdin + statement

2009-07-23 Thread Wouter Alink
that this message will contain a full copy of the comment thread, > including the initial issue submission, for this request, > not just the latest update. > Category: Mapi > Group: Clients CVS Head >>Status: Closed >>Resolution: Wont Fix > Priority: 5 > Private:

Re: [Monetdb-developers] [ monetdb-Bugs-2787825 ] mclient: stdin + statement

2009-07-23 Thread Wouter Alink
semi-colon? This seems odd to me, why is a semi-colon not allowed? Am I missing something? Wouter 2009/7/23 Sjoerd Mullender : > Wouter Alink wrote: >> The bug (#2787825) seems to be closed for comments, but I think this >> bug should not be closed until the documentation gets upda

[Monetdb-developers] MonetDB/XQuery: reading XML files from TAR archives

2009-08-27 Thread Wouter Alink
Hello devs, Roberto and I yesterday discussed that it would be useful to be able to load (compressed) XML collections directly into MonetDB/XQuery. The attached diff provides a new feature for loading multiple XML docs directly from tar files. Usage: "mclient -lxq -C " and pass a tarfile via stdin

Re: [Monetdb-developers] MonetDB/XQuery: reading XML files from TAR archives

2009-08-27 Thread Wouter Alink
ter, > > Sounds very useful to me! > Why is it not simply changed in pf:add-doc(), or put in a new function > pf:add-archive()? > > Best,  Djoerd. > > Wouter Alink schreef: >> Hello devs, >> >> Roberto and I yesterday discussed that it would be useful to be

[Monetdb-developers] other than bug things...

2009-11-27 Thread Wouter Alink
Hello Developers, Usually I try to report bugs (and try to find the worst of the system), but just this morning I noticed my mserver5 instance (Aug2009), which I have been intensively querying over the last days with ten-thousands of reasonably complex queries and sometimes with more than 20 queri

[Monetdb-developers] hashjoin and strHash

2009-12-18 Thread Wouter Alink
Dear developers, I would like to propose a change in GDK and hear opinions. It is about the following issue: in the BATjoin code, if there is no possibility to do a fetch or merge join, a hashjoin is performed. A hashtable is created for the smallest BAT. The reasons (i could think of) for choosi

Re: [Monetdb-developers] hashjoin and strHash

2009-12-19 Thread Wouter Alink
;> do instead that? force the hash index in a higher level for you >> application? If gdk see a hash index already there, then it will >> choose that independent of the size. >> >> lefteris >> >> On Fri, Dec 18, 2009 at 4:22 PM, Wouter Alink wrote: >> &

Re: [Monetdb-developers] Memory use

2009-12-19 Thread Wouter Alink
Hello Guido, At the end of your COPY INTO transaction, your database will be saved on disk, to give some guarantee that the data is on a sort of non-volatile storage (see also http://en.wikipedia.org/wiki/ACID#Durability). Besides storing the data on disk, MonetDB tries to fully exploit your avail

Re: [Monetdb-developers] [Monetdb-sql-checkins] sql/src/server rel_schema.mx, Feb2010, 1.2, 1.2.2.1

2010-02-05 Thread Wouter Alink
fantastisch! 2010/2/5 Niels Nes : > Update of /cvsroot/monetdb/sql/src/server > In directory > sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv25790/src/server > > Modified Files: >      Tag: Feb2010 >        rel_schema.mx > Log Message: > fixed bug in handeling topn in create table as select w