database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-05-28 13:01:26 +03:00
Code

MCOL-153 Add UDF function calgetsqlcount() which will display the number of sql statements active and the number waiting.

Browse Source
This commit is contained in:
David Hall 2016-10-27 15:49:01 -05:00
parent 6694bc3d16
commit 0368dd487a
3 changed files with 67 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
dbcon/mysql/ha_calpont_impl.cpp
View File

@ -20,6 +20,7 @@
* $Id: ha_calpont_impl.cpp 9642 2013-06-24 14:57:42Z rdempsey $
*/
//#define DEBUG_WALK_COND
#include <my_config.h>
#ifndef _MSC_VER
#include <unistd.h>
@ -2294,6 +2295,70 @@ void calgetversion_deinit(UDF_INIT* initid)
{
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
const char* calgetsqlcount(UDF_INIT* initid, UDF_ARGS* args,
char* result, unsigned long* length,
char* is_null, char* error)
{
sm::cpsm_conhdl_t* hndl;
THD* thd = current_thd;
if (!thd->infinidb_vtable.cal_conn_info)
thd->infinidb_vtable.cal_conn_info = (void*)(new cal_connection_info());
cal_connection_info* ci = reinterpret_cast<cal_connection_info*>(thd->infinidb_vtable.cal_conn_info);
idbassert(ci != 0);
MessageQueueClient* mqc = 0;
mqc = new MessageQueueClient("ExeMgr1");
ByteStream msg;
ByteStream::quadbyte runningSql, waitingSql;
ByteStream::quadbyte qb = 5;
msg << qb;
mqc->write(msg);
//get ExeMgr response
msg.restart();
msg = mqc->read();
if (msg.length() == 0)
{
memcpy(result, "Lost connection to ExeMgr", *length);
return result;
}
msg >> runningSql;
msg >> waitingSql;
delete mqc;
char ans[128];
sprintf(ans, "Running SQL statements %d, Waiting SQL statments %d", runningSql, waitingSql);
*length = strlen(ans);
memcpy(result, ans, *length);
return result;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool calgetsqlcount_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
if (args->arg_count != 0)
{
strcpy(message,"CALGETSQLCOUNT() takes no arguments");
return 1;
}
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void calgetsqlcount_deinit(UDF_INIT* initid)
{
}
} //extern "C"
int ha_calpont_impl_open(const char *name, int mode, uint32_t test_if_locked)

1
dbcon/mysql/install_calpont_mysql.sh
View File

@ -69,6 +69,7 @@ CREATE FUNCTION caldroppartitionsbyvalue RETURNS STRING SONAME 'libcalmysql.so';
CREATE FUNCTION caldisablepartitionsbyvalue RETURNS STRING SONAME 'libcalmysql.so';
CREATE FUNCTION calenablepartitionsbyvalue RETURNS STRING SONAME 'libcalmysql.so';
CREATE FUNCTION calshowpartitionsbyvalue RETURNS STRING SONAME 'libcalmysql.so';
CREATE FUNCTION calgetsqlcount RETURNS STRING SONAME 'libcalmysql.so';
CREATE FUNCTION idbpm RETURNS INTEGER soname 'libcalmysql.so';
CREATE FUNCTION idbdbroot RETURNS INTEGER soname 'libcalmysql.so';
CREATE FUNCTION idbsegment RETURNS INTEGER soname 'libcalmysql.so';

1
utils/winport/win_setup_mysql_part2.sql
View File

@ -8,6 +8,7 @@ CREATE FUNCTION calgetversion RETURNS STRING SONAME 'libcalmysql.dll';
CREATE FUNCTION calonlinealter RETURNS INTEGER SONAME 'libcalmysql.dll';
CREATE FUNCTION calviewtablelock RETURNS STRING SONAME 'libcalmysql.dll';
CREATE FUNCTION calcleartablelock RETURNS STRING SONAME 'libcalmysql.dll';
CREATE FUNCTION calgetsqlcount RETURNS STRING SONAME 'libcalmysql.dll';
create database if not exists calpontsys;
use calpontsys;