database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-29 08:21:15 +03:00
Code Activity

MCOL-1642 Add SQL command that shows Primary Front-End MariaDB ColumnStore Module

Browse Source
This commit is contained in:
David Hall
2018-11-01 11:04:41 -05:00
parent 3dedb6139a
commit f34fa290b5
2 changed files with 53 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
dbcon/mysql/ha_calpont_impl.cpp
View File

@ -2096,6 +2096,58 @@ extern "C"
{
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
// Return non-zero if this is the primary UM; 0 if not primary
long long mcssystemprimary(UDF_INIT* initid, UDF_ARGS* args,
char* is_null, char* error)
{
long long rtn = 0;
Oam oam;
string PrimaryUMModuleName;
string localModule;
oamModuleInfo_t st;
try
{
st = oam.getModuleInfo();
localModule = boost::get<0>(st);
PrimaryUMModuleName = config::Config::makeConfig()->getConfig("SystemConfig", "PrimaryUMModuleName");
if (boost::iequals(localModule, PrimaryUMModuleName))
rtn = 1;
if (PrimaryUMModuleName == "unassigned")
rtn = 1;
}
catch (runtime_error& e)
{
// It's difficult to return an error message from a numerical UDF
//string msg = string("ERROR: Problem getting Primary UM Module Name. ") + e.what();
*error = 1;
}
catch (...)
{
*error = 1;
}
return rtn;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool mcssystemprimary_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void mcssystemprimary_deinit(UDF_INIT* initid)
{
}
#define MAXSTRINGLENGTH 50
const char* PmSmallSideMaxMemory = "pmmaxmemorysmallside";