March 2010 - developers-list

[Monetdb-developers] encoding of strings returned by Python client
by Mark Bucciarelli 28 Jun '10

28 Jun '10

Any chance the Python client could be modified to return strings in Unicode instead of UTF-8? Seems like a better fit for Python; for example, that's how Python's sqlite3 module behaves. An alternative approach is to expose a set_encoding method on the connection that let's you specify the encoding of all text fields returned. If backward compatibility is an issue, the latter idea seems better even though it adds a knob. Any comments? (Is the maintainer of the Python adapter active even on this list? I didn't see many Python-specific posts in the archives.) Thanks, m

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[Monetdb-developers] Announcement: New Feb2010-SP1 bugfix release of MonetDB suite
by Sjoerd Mullender 08 Apr '10

08 Apr '10

The MonetDB team at CWI/MonetDB BV is pleased to announce the Feb2010-SP1 bug fix release of the MonetDB suite of programs. More information on this release is available at <http://monetdb.cwi.nl/Development/Releases/Feb2010/>. -- Sjoerd Mullender

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[Monetdb-developers] the database and index size
by Mo Zhou 30 Mar '10

30 Mar '10

Hi, When I create a database and load the data from plain files, does monetdb create indexes automatically? When I examine the disk usage of a database in dbfarm, does it include the indexes size, metadata, and all tables' sizes? -- Thanks, Mo

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[Monetdb-developers] regarding monetdb
by Puneet Birwa 30 Mar '10

30 Mar '10

hi, is monetdb mantain the hash table & indexs for each node by itself. & is there any way by which i can find out the relation between the physical plan generated at compile time & execution plan which is generated at run time i.e how can i find mapping between physical plan & execution plan . Your Mail works best with the New Yahoo Optimized IE8. Get it NOW! http://downloads.yahoo.com/in/internetexplorer/

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[Monetdb-developers] sourceforge outage
by Sjoerd Mullender 26 Mar '10

26 Mar '10

See the current status at https://sourceforge.net/apps/wordpress/sourceforge/. -- Sjoerd Mullender

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[Monetdb-developers] dlclose() segfault
by Mark Bucciarelli 23 Mar '10

23 Mar '10

While learning about dlopen() and dynamic libraries, I found that calling dlclose() on libbat.so segfaults. Is this a known behavior or a symptom of some problem? Thanks, m $ cat bad.c #include <dlfcn.h> int main(void) { void *handle; char *fn = "libbat.so"; handle = dlopen(fn, RTLD_NOW); dlclose(handle); return 0; } $ gcc bad.c && ./a.out Segmentation fault (core dumped) $

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[Monetdb-developers] C client: MapiHdl usage
by Mark Bucciarelli 23 Mar '10

23 Mar '10

Hi, Is there any reason I cannot reuse MapiHdl? Do I need to close after an insert or a mapi_get_last_id() call? Thanks, m

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[Monetdb-developers] are BAT ids are fixed
by anshul gangwar 22 Mar '10

22 Mar '10

hello, I want to know whether BAT ids are fixed. If fixed then what does that BAT_select_(b=tmpr_2322): BATslice(v=tmp_2403, low=0, high=1) means? The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/

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[Monetdb-developers] difficulty in understanding final query execution plan
by anshul gangwar 22 Mar '10

22 Mar '10

Hello What will be the leaves in final query execution plan tree. What does that BATfetchjoin does , BAT_select and BATjoin actually does in simple language. The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/

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[Monetdb-developers] BAT_select description
by anshul gangwar 22 Mar '10

22 Mar '10

hello Where can i find the description of BAT_select? Your Mail works best with the New Yahoo Optimized IE8. Get it NOW! http://downloads.yahoo.com/in/internetexplorer/

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