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-962 Add mcsSystemReady(), mcsSystemReadOnly() and mcsWritesSuspended()

Browse Source
This commit is contained in:
David Hall
2018-01-10 12:17:57 -06:00
parent d61ff56989
commit 1ffeda44d6
6 changed files with 136 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

124
dbcon/mysql/ha_calpont_impl.cpp
View File

@ -1819,6 +1819,130 @@ void calsettrace_deinit(UDF_INIT* initid)
{
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
// Return 1 if system is ready for reads or 0 if not.
long long mcssystemready(UDF_INIT* initid, UDF_ARGS* args,
char* is_null, char* error)
{
long long rtn = 0;
Oam oam;
DBRM dbrm(true);
SystemStatus systemstatus;
try
{
oam.getSystemStatus(systemstatus);
if (systemstatus.SystemOpState == ACTIVE
&& dbrm.getSystemReady()
&& dbrm.getSystemQueryReady())
{
return 1;
}
}
catch (...)
{
*error = 1;
}
return rtn;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool mcssystemready_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void mcssystemready_deinit(UDF_INIT* initid)
{
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
// Return 1 if system is read only; 0 if writeable
long long mcssystemreadonly(UDF_INIT* initid, UDF_ARGS* args,
char* is_null, char* error)
{
long long rtn = 0;
DBRM dbrm(true);
try
{
if (dbrm.isReadWrite()) // Returns 0 for writable, 5 for read only
{
rtn = 1;
}
}
catch (...)
{
*error = 1;
rtn = 1;
}
return rtn;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool mcssystemreadonly_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void mcssystemreadonly_deinit(UDF_INIT* initid)
{
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
// Return 1 if system is read only; 0 if writeable
long long mcswritessuspended(UDF_INIT* initid, UDF_ARGS* args,
char* is_null, char* error)
{
long long rtn = 0;
DBRM dbrm(true);
try
{
if (dbrm.getSystemSuspended())
{
rtn = 1;
}
}
catch (...)
{
*error = 1;
rtn = 1;
}
return rtn;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool mcswritessuspended_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void mcswritessuspended_deinit(UDF_INIT* initid)
{
}
#define MAXSTRINGLENGTH 50
const char* PmSmallSideMaxMemory = "pmmaxmemorysmallside";