homework-jianmu/source/libs/executor/src/executor.c

96 lines
2.8 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "executor.h"
#include "executorimpl.h"
#include "planner.h"
#include "tq.h"
static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, char* id) {
ASSERT(pOperator != NULL);
if (pOperator->operatorType != OP_StreamScan) {
if (pOperator->numOfDownstream == 0) {
qError("failed to find stream scan operator to set the input data block, %s" PRIx64, id);
return TSDB_CODE_QRY_APP_ERROR;
}
if (pOperator->numOfDownstream > 1) { // not handle this in join query
qError("join not supported for stream block scan, %s" PRIx64, id);
return TSDB_CODE_QRY_APP_ERROR;
}
return doSetStreamBlock(pOperator->pDownstream[0], input, id);
} else {
SStreamBlockScanInfo* pInfo = pOperator->info;
if (tqReadHandleSetMsg(pInfo->readerHandle, input, 0) < 0) {
qError("submit msg error while set stream msg, %s" PRIx64, id);
return TSDB_CODE_QRY_APP_ERROR;
}
return TSDB_CODE_SUCCESS;
}
}
int32_t qSetStreamInput(qTaskInfo_t tinfo, const void* input) {
if (tinfo == NULL) {
return TSDB_CODE_QRY_APP_ERROR;
}
if (input == NULL) {
return TSDB_CODE_SUCCESS;
}
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
int32_t code = doSetStreamBlock(pTaskInfo->pRoot, (void*)input, GET_TASKID(pTaskInfo));
if (code != TSDB_CODE_SUCCESS) {
qError("%s failed to set the stream block data", GET_TASKID(pTaskInfo));
} else {
qDebug("%s set the stream block successfully", GET_TASKID(pTaskInfo));
}
return code;
}
qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, void* streamReadHandle) {
if (msg == NULL || streamReadHandle == NULL) {
return NULL;
}
// print those info into log
#if 0
pMsg->sId = pMsg->sId;
pMsg->queryId = pMsg->queryId;
pMsg->taskId = pMsg->taskId;
pMsg->contentLen = pMsg->contentLen;
#endif
struct SSubplan* plan = NULL;
int32_t code = qStringToSubplan(msg, &plan);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
return NULL;
}
qTaskInfo_t pTaskInfo = NULL;
code = qCreateExecTask(streamReadHandle, 0, 0, plan, &pTaskInfo, NULL);
if (code != TSDB_CODE_SUCCESS) {
// TODO: destroy SSubplan & pTaskInfo
terrno = code;
return NULL;
}
return pTaskInfo;
}