268 lines
7.1 KiB
C
268 lines
7.1 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <tsdb.h>
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#include "dataSinkMgt.h"
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#include "exception.h"
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#include "os.h"
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#include "tarray.h"
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#include "tcache.h"
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#include "tglobal.h"
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#include "tmsg.h"
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#include "thash.h"
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#include "executorimpl.h"
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#include "executor.h"
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#include "tlosertree.h"
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#include "ttypes.h"
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#include "query.h"
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typedef struct STaskMgmt {
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pthread_mutex_t lock;
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SCacheObj *qinfoPool; // query handle pool
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int32_t vgId;
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bool closed;
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} STaskMgmt;
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static void taskMgmtKillTaskFn(void* handle, void* param1) {
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void** fp = (void**)handle;
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qKillTask(*fp);
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}
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static void freeqinfoFn(void *qhandle) {
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void** handle = qhandle;
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if (handle == NULL || *handle == NULL) {
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return;
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}
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qKillTask(*handle);
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qDestroyTask(*handle);
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}
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int32_t qCreateExecTask(SReadHandle* readHandle, int32_t vgId, uint64_t taskId, SSubplan* pSubplan, qTaskInfo_t* pTaskInfo, DataSinkHandle* handle) {
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assert(readHandle != NULL && pSubplan != NULL);
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SExecTaskInfo** pTask = (SExecTaskInfo**)pTaskInfo;
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int32_t code = createExecTaskInfoImpl(pSubplan, pTask, readHandle, taskId);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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SDataSinkMgtCfg cfg = {.maxDataBlockNum = 1000, .maxDataBlockNumPerQuery = 100};
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code = dsDataSinkMgtInit(&cfg);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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if (handle) {
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code = dsCreateDataSinker(pSubplan->pDataSink, handle);
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}
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_error:
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// if failed to add ref for all tables in this query, abort current query
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return code;
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}
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#ifdef TEST_IMPL
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// wait moment
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int waitMoment(SQInfo* pQInfo){
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if(pQInfo->sql) {
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int ms = 0;
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char* pcnt = strstr(pQInfo->sql, " count(*)");
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if(pcnt) return 0;
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char* pos = strstr(pQInfo->sql, " t_");
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if(pos){
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pos += 3;
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ms = atoi(pos);
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while(*pos >= '0' && *pos <= '9'){
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pos ++;
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}
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char unit_char = *pos;
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if(unit_char == 'h'){
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ms *= 3600*1000;
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} else if(unit_char == 'm'){
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ms *= 60*1000;
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} else if(unit_char == 's'){
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ms *= 1000;
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}
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}
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if(ms == 0) return 0;
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printf("test wait sleep %dms. sql=%s ...\n", ms, pQInfo->sql);
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if(ms < 1000) {
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taosMsleep(ms);
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} else {
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int used_ms = 0;
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while(used_ms < ms) {
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taosMsleep(1000);
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used_ms += 1000;
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if(isTaskKilled(pQInfo)){
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printf("test check query is canceled, sleep break.%s\n", pQInfo->sql);
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break;
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}
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}
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}
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}
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return 1;
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}
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#endif
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int32_t qExecTask(qTaskInfo_t tinfo, SSDataBlock** pRes, uint64_t *useconds) {
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SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
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int64_t threadId = taosGetSelfPthreadId();
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*pRes = NULL;
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int64_t curOwner = 0;
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if ((curOwner = atomic_val_compare_exchange_64(&pTaskInfo->owner, 0, threadId)) != 0) {
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qError("%s-%p execTask is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo,
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(void*)curOwner);
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pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;
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return pTaskInfo->code;
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}
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if (pTaskInfo->cost.start == 0) {
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pTaskInfo->cost.start = taosGetTimestampMs();
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}
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if (isTaskKilled(pTaskInfo)) {
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qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));
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return TSDB_CODE_SUCCESS;
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}
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// error occurs, record the error code and return to client
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int32_t ret = setjmp(pTaskInfo->env);
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if (ret != TSDB_CODE_SUCCESS) {
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publishQueryAbortEvent(pTaskInfo, ret);
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pTaskInfo->code = ret;
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qDebug("%s task abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo),
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tstrerror(pTaskInfo->code));
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return pTaskInfo->code;
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}
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qDebug("%s execTask is launched", GET_TASKID(pTaskInfo));
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bool newgroup = false;
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publishOperatorProfEvent(pTaskInfo->pRoot, QUERY_PROF_BEFORE_OPERATOR_EXEC);
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int64_t st = 0;
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st = taosGetTimestampUs();
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*pRes = pTaskInfo->pRoot->exec(pTaskInfo->pRoot, &newgroup);
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uint64_t el = (taosGetTimestampUs() - st);
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pTaskInfo->cost.elapsedTime += el;
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publishOperatorProfEvent(pTaskInfo->pRoot, QUERY_PROF_AFTER_OPERATOR_EXEC);
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if (NULL == *pRes) {
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*useconds = pTaskInfo->cost.elapsedTime;
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}
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int32_t current = (*pRes != NULL)? (*pRes)->info.rows:0;
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pTaskInfo->totalRows += current;
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qDebug("%s task suspended, %d rows returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
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GET_TASKID(pTaskInfo), current, pTaskInfo->totalRows, 0, el/1000.0);
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atomic_store_64(&pTaskInfo->owner, 0);
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return pTaskInfo->code;
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}
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void* qGetResultRetrieveMsg(qTaskInfo_t qinfo) {
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SQInfo* pQInfo = (SQInfo*) qinfo;
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assert(pQInfo != NULL);
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return pQInfo->rspContext;
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}
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int32_t qKillTask(qTaskInfo_t qinfo) {
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SExecTaskInfo *pTaskInfo = (SExecTaskInfo *)qinfo;
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if (pTaskInfo == NULL) {
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return TSDB_CODE_QRY_INVALID_QHANDLE;
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}
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qDebug("%s execTask killed", GET_TASKID(pTaskInfo));
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setTaskKilled(pTaskInfo);
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// Wait for the query executing thread being stopped/
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// Once the query is stopped, the owner of qHandle will be cleared immediately.
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while (pTaskInfo->owner != 0) {
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taosMsleep(100);
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}
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return TSDB_CODE_SUCCESS;
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}
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int32_t qAsyncKillTask(qTaskInfo_t qinfo) {
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SExecTaskInfo *pTaskInfo = (SExecTaskInfo *)qinfo;
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if (pTaskInfo == NULL) {
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return TSDB_CODE_QRY_INVALID_QHANDLE;
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}
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qDebug("%s execTask async killed", GET_TASKID(pTaskInfo));
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setTaskKilled(pTaskInfo);
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return TSDB_CODE_SUCCESS;
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}
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int32_t qIsTaskCompleted(qTaskInfo_t qinfo) {
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SExecTaskInfo *pTaskInfo = (SExecTaskInfo *)qinfo;
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if (pTaskInfo == NULL /*|| !isValidQInfo(pTaskInfo)*/) {
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return TSDB_CODE_QRY_INVALID_QHANDLE;
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}
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return isTaskKilled(pTaskInfo) || Q_STATUS_EQUAL(pTaskInfo->status, TASK_OVER);
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}
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void qDestroyTask(qTaskInfo_t qTaskHandle) {
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SExecTaskInfo* pTaskInfo = (SExecTaskInfo*) qTaskHandle;
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qDebug("%s execTask completed, numOfRows:%"PRId64, GET_TASKID(pTaskInfo), pTaskInfo->totalRows);
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queryCostStatis(pTaskInfo); // print the query cost summary
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doDestroyTask(pTaskInfo);
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}
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#if 0
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//kill by qid
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int32_t qKillQueryByQId(void* pMgmt, int64_t qId, int32_t waitMs, int32_t waitCount) {
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int32_t error = TSDB_CODE_SUCCESS;
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void** handle = qAcquireTask(pMgmt, qId);
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if(handle == NULL) return terrno;
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SQInfo* pQInfo = (SQInfo*)(*handle);
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if (pQInfo == NULL || !isValidQInfo(pQInfo)) {
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return TSDB_CODE_QRY_INVALID_QHANDLE;
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}
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qWarn("%s be killed(no memory commit).", pQInfo->qId);
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setTaskKilled(pQInfo);
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// wait query stop
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int32_t loop = 0;
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while (pQInfo->owner != 0) {
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taosMsleep(waitMs);
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if(loop++ > waitCount){
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error = TSDB_CODE_FAILED;
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break;
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}
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}
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qReleaseTask(pMgmt, (void **)&handle, true);
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return error;
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}
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#endif
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