April 2009 - users-list

[MonetDB-users] Books CDs
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11 Aug '24

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[MonetDB-users] XQuery API and XLink/XUpdate support
by Alexandra Mart�nez 27 Jun '24

27 Jun '24

Hello all, I was wondering if there is any documentation about the API for XQuery (i.e., how to write xqueries from a Java program). Also, I am interested in using some features of XLink and XUpdate on top of my XML database. Is support for any of these in progress? Thanks in advance, Alexandra ______________________________________________________ Click here to donate to the Hurricane Katrina relief effort. http://store.yahoo.com/redcross-donate3/

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[MonetDB-users] Proofreading your professional documents
by Richard Hounslow 24 Feb '24

24 Feb '24

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[MonetDB-users] Possible wrong results when Querying
by LeonardF 10 Nov '09

10 Nov '09

Hi There, I have some problem with the row_number() over() function. Consider the following table: create table "table1" ("customer" varchar(40), "product" varchar(40), "price" double) insert into "table1" values ('cust1', 'p1', 100) insert into "table1" values ('cust1', 'p2', 200) insert into "table1" values ('cust1', 'p3', 150) insert into "table1" values ('cust2', 'p1', 300) insert into "table1" values ('cust2', 'p3', 200) The following query over this table: SELECT "customer", "product", "sumprice", (Row_number() OVER(PARTITION BY "customer" ORDER BY "sumprice")) as "rank" FROM ( SELECT "customer", "product", (Sum("price")) AS "sumprice" FROM "table1" GROUP BY "customer", "product") AS "temp" Returns: Customer product sumprice rank Cust1 p1 100 1 Cust1 p2 200 2 Cust1 p3 150 3 Cust2 p1 300 1 Cust2 p3 200 2 But doesn’t it suppose to return the following result set?: Customer product sumprice rank Cust1 p1 100 1 Cust1 p3 150 2 Cust1 p2 200 3 Cust2 p3 200 1 Cust2 p1 200 2 Thanks -- Leonard Forgge -- View this message in context: http://www.nabble.com/Possible-wrong-results-when-Querying-tp22821802p22821… Sent from the monetdb-users mailing list archive at Nabble.com.

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[MonetDB-users] copy from stdin oddness
by Karanbir Singh 13 May '09

13 May '09

Hi, This is on CentOS-5/x86_64 running : [kbsingh@koala data]$ rpm -qa | grep -i Monet MonetDB-1.22.0-1.el5.kb.oid64 MonetDB5-server-5.4.0-1.el5.kb.oid64 MonetDB-SQL-2.22.0-1.el5.kb.oid64 MonetDB-client-1.22.0-1.el5.kb.oid64 MonetDB-SQL-server5-2.22.0-1.el5.kb.oid64 server started with : [root@koala ~]# mserver5 --dbinit="include sql;" on the client : [kbsingh@koala data]$ echo "\d sample" | mclient -lsql -ukb -Pkb CREATE TABLE "kb"."sample" ( "id" char(33), "sdate" char(20), "key" varchar(255), "country" char(2), "region" char(2), "city" varchar(50), "pid" int ); [kbsingh@koala data]$ echo "select 'hello';" | mclient -lsql -ukb -Pkb % . # table_name % single_value # name % char # type % 5 # length [ "hello" ] [kbsingh@koala data]$ echo "copy 1000 records into sample from '/home/kbsingh/data/data/1000.utf8' using delimiters '\t','\n','';" | mclient -lsql -ukb -Pkb [ 1000 ] also: [kbsingh@koala data]$ mclient -lsql -ukb -Pkb -s "copy 1000 records into sample from '/home/kbsingh/data/data/1000.utf8' using delimiters '\t','\n','';" [ 1000 ] so, works so far. However: [kbsingh@koala data]$ cat 1000.utf8 | mclient -lsql -ukb -Pkb -s "copy 1000 records into sample from STDIN using delimiters '\t','\n','';" MAPI = kb@localhost:50000 QUERY = copy 1000 records into sample from STDIN using delimiters '\t','\n',''; ERROR = !SQLException:sql:missing sep line 0 field 0 !SQLException:importTable:failed to import table given that mclient is on the right side of the pipe, the data is surely being made available on the stdin, but why does mclient fail like this ? also, adding an OFFSET makes mclient just die quietly like this: [kbsingh@koala data]$ cat 1000.utf8 | mclient -lsql -ukb -Pkb -s "copy 5 offset 1000 records into sample from STDIN using delimiters '\t','\n','';" [kbsingh@koala data]$ so, what am I getting so wrong here ? the load chain I need to setup will look like this : zcat andy1.gz | iconv -f latin1 -t utf8 | mclient ...... that compressed file is 62 GB, the changes of me being able to expand that run the load from a specific filename is zero. -- Karanbir Singh : http://www.karan.org/ : 2522219@icq

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[MonetDB-users] Compiling with optimizer
by Alex Bo. 30 Apr '09

30 Apr '09

Hi, I have been compiling MonetDB successfuly under Windows so far. Now I have tried compiling as I have done before, but with "optimize=yes". Now when I start the server, I get this message: !FATAL: BBPinit: BBP.dir is empty What does this mean? Am I doing something wrong? Thanks. -- View this message in context: http://www.nabble.com/Compiling-with-optimizer-tp23022199p23022199.html Sent from the monetdb-users mailing list archive at Nabble.com.

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[MonetDB-users] TPC-H for MonetDB
by mayank＠cs.wisc.edu 30 Apr '09

30 Apr '09

Hi, I'm trying to run TPC-H benchmark on MonetDB. I downloaded the package from the TPC-H site but it needs some configuration for it to be able to generate DBGEN and QGEN. I was wondering if anyone can advise me what needs to be changed in makefile, tpcd.h and for 64-bit support. I'm running this on a Dell Intel 32-bit architecture. Thanks. Mayank

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[MonetDB-users] connection terminated
by djdjoko 27 Apr '09

27 Apr '09

hi, i started to have suddenly following problem with the M5Server. I can start the server and get the following screen which seems fine: # MonetDB server v5.10.2, based on kernel v1.28.2 # Serving database 'demo', using 1 thread # Compiled for i686-pc-win32/32bit with 32bit OIDs dynamically linked # Copyright (c) 1993-July 2008 CWI. # Copyright (c) August 2008- MonetDB B.V., all rights reserved # Visit http://monetdb.cwi.nl/ for further information #warning: please don't forget to set your vault key! #(see C:\Program Files\MonetDB\MonetDB5\etc\monetdb5.conf) # Listening for connection requests on mapi:monetdb://127.0.0.1:50000/ # MonetDB/SQL module v2.28.2 loaded When i start the client I get following message and the server shuts down: Connection terminated Press any key to continue . . . I have tried to reinstall monetDb but it does not help. can anyone point me into the right direction? Thanks -- View this message in context: http://www.nabble.com/connection-terminated-tp23260811p23260811.html Sent from the monetdb-users mailing list archive at Nabble.com.

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[MonetDB-users] Announcement: New bug fix release of MonetDB suite
by Sjoerd Mullender 27 Apr '09

27 Apr '09

The MonetDB team at CWI is pleased to announce the Feb2009-SP2 bug fix release of the MonetDB suite of programs. This is the second bug fix release of the Feb2009 release. More information on this release can be found at <http://monetdb.cwi.nl/projects/monetdb/Development/Releases/Feb2009/#Feb200…>. The sources and binaries are available at <http://monetdb.cwi.nl/projects/monetdb/Download/>. -- Sjoerd Mullender

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[MonetDB-users] Vista M5Server Crashes
by gsd 24 Apr '09

24 Apr '09

Hi all, My monetdb server (MonetDB server v5.10.2, based on kernel v1.28.2) crashes on me in a reproducible fashion. I'm generally (but not always) accessing it via JDBC. I have 100 tables, each containing just less than 4 million records. Crash 1: - I'm testing retrieval speeds. When I hit table 17 or 18 the server crashes. Crash 2: - I'm testing insertion speeds. Again when I hit table 17 or 17 the server crashes. I'm only inserting about 1000 records per table. I've tried it via "COPY INTO" and via batch INSERT statments. Crash 3: - Using the Mclient.exe application I manually selected 5000 rows from each table. When I hit the 17th table the server crashed again. I accessed the tables in a different order to the above programmatic crashes to try and eliminate this being due to a particular table. Also, this crash also eliminates this being a JDBC-related issue. So, I'm wondering if this may be a known windows issue, or perhaps a Vista issue? Could it be due to some server internal limit being hit as it loads and caches tables? Are there any server logs I can examine? Any ideas? Thanks, Scott -- View this message in context: http://www.nabble.com/Vista-M5Server-Crashes-tp23218455p23218455.html Sent from the monetdb-users mailing list archive at Nabble.com.

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