mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2 of
|
|
the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
// $Id: udf.cpp 2035 2013-01-21 14:12:19Z rdempsey $
|
|
|
|
#include <dlfcn.h>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <iostream>
|
|
using namespace std;
|
|
|
|
#include "primproc.h"
|
|
using namespace primitiveprocessor;
|
|
|
|
namespace
|
|
{
|
|
const string UdfLibName("libcaludf.so");
|
|
}
|
|
|
|
namespace primitiveprocessor
|
|
{
|
|
void loadUDFs()
|
|
{
|
|
int flags = RTLD_NOW;
|
|
|
|
void* libPtr = 0;
|
|
|
|
UDFFcnPtr_t fcnPtr;
|
|
|
|
libPtr = dlopen(UdfLibName.c_str(), flags);
|
|
|
|
if (libPtr == 0)
|
|
return;
|
|
|
|
unsigned i = 1;
|
|
|
|
for (;;)
|
|
{
|
|
ostringstream oss;
|
|
oss << "cpfunc" << i;
|
|
fcnPtr = (UDFFcnPtr_t)dlsym(libPtr, oss.str().c_str());
|
|
|
|
if (fcnPtr == 0)
|
|
break;
|
|
|
|
UDFFcnMap[i] = fcnPtr;
|
|
i++;
|
|
}
|
|
|
|
cout << "loaded " << UDFFcnMap.size() << " UDF's" << endl;
|
|
}
|
|
|
|
} // namespace primitiveprocessor
|