RE: FW: user defnined function problem

Hello Stefan, I have 80_udf.mal in .../lib/monetdb5/autoload with the line include udf; but I seem to still have a problem creating a udf function. I tried this simple definition: 80_udf.sql create function identInt(val integer) returns double external name udf.identInt; udf.c str UDFidentInt(int * res, int * val) { *res = *val ; return MAL_SUCCEED; } udf.h udf_export str UDFidentInt(int * res, int * val); udf.mal command identInt(val:int):int address UDFidentInt comment "return val"; I get the error message: TypeException:user.s2_1[3]:'udf.identint' undefined in: _5:any := udf.identint(_4:int) Best Niall -----Original Message----- From: developers-list [mailto:developers-list-bounces+n.rooney=sophiasearch.com@monetdb.org] On Behalf Of Sjoerd Mullender Sent: 06 January 2014 22:04 To: developers-list@monetdb.org Subject: Re: FW: user defnined function problem You also need something like 80_udf.mal in .../lib/monetdb5/autoload with the line include udf; in it. On 2014-01-06 18:46, Niall Rooney wrote:

Hello Stefan,

I tried doing so on a newly created database but I had the same error message.

-----Original Message----- From: developers-list [mailto:developers-list-bounces+n.rooney=sophiasearch.com@monetdb.org] On Behalf Of Stefan Manegold Sent: 06 January 2014 17:32 To: Communication channel for developers of the MonetDB suite. Subject: Re: user defnined function problem

Hi,

as all XY_*.sql files that are installed into <LIBDIR>/monetdb5/createdb/ also 80_udf.sql get only loaded and executed the first time mserver5 is started on a virgin empty (i.e., newly created) DB (then the content is persistently kept in the DB's catalog.

Thus, to get your newly added funtion working (i.e., added to the SQL catalog), you either need to create a new database, or execute the SQL commands you added to 80_udf.sql by hand (once) in mclient.

Best, Stefan

----- Original Message -----

...

Hello,

I am making the following adjustment to the user defined function template files .

I am using MonetDB-11.15.15 built from source on Ubuntu 12.04.

I have added to the following files in the ./sql/backends/monet5/UDF directory as shown:

80_udf.sql

create function sumProb(prob1 double, prob2 double)

returns double external name udf.sumProb;

udf.mal

module udf;

command sumProb(prob1:dbl,prob2:dbl):dbl

address UDFSumProb

comment "sum two probabilities";

udf.c

str UDFSumProb(dbl * res, dbl * prob1, dbl * prob2)

{

*res = *prob1 + *prob2;

return MAL_SUCCEED;

}

udf.h

udf_export str UDFSumProb(dbl * res, dbl * prob1, dbl * prob2);

I did a configure/make/make install and tried the following call in mclient:

declare a, b,c double; set a= 0.1; set b= 0.2; select c=jsdistance(a,b);

and get the error:

TypeException:user.s2_1[8]:'udf.sumprob' undefined in: _12:any := udf.sumprob(_8:dbl, _11:dbl)

program contains errors

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-- Sjoerd Mullender