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Merge pull request #603 from mariadb-corporation/MCOL-1642

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MCOL-1642 Add SQL command that shows Primary Front-End MariaDB Column…
This commit is contained in:
Andrew Hutchings
2018-11-09 08:14:31 +00:00
committed by GitHub
parent fec9b90832 f34fa290b5
commit f134f05771
2 changed files with 53 additions and 0 deletions
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52
dbcon/mysql/ha_calpont_impl.cpp
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@ -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";