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

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/*
* 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 "tdatablock.h"
#include "tref.h"
#include "tudf.h"
#include "vnode.h"
static TdThreadOnce initPoolOnce = PTHREAD_ONCE_INIT;
int32_t exchangeObjRefPool = -1;
static void initRefPool() { exchangeObjRefPool = taosOpenRef(1024, doDestroyExchangeOperatorInfo); }
static void cleanupRefPool() {
int32_t ref = atomic_val_compare_exchange_32(&exchangeObjRefPool, exchangeObjRefPool, 0);
taosCloseRef(ref);
}
static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type, char* id) {
ASSERT(pOperator != NULL);
if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
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;
}
pOperator->status = OP_NOT_OPENED;
return doSetStreamBlock(pOperator->pDownstream[0], input, numOfBlocks, type, id);
} else {
pOperator->status = OP_NOT_OPENED;
SStreamScanInfo* pInfo = pOperator->info;
ASSERT(pInfo->validBlockIndex == 0);
ASSERT(taosArrayGetSize(pInfo->pBlockLists) == 0);
if (type == STREAM_INPUT__MERGED_SUBMIT) {
// ASSERT(numOfBlocks > 1);
for (int32_t i = 0; i < numOfBlocks; i++) {
SSubmitReq* pReq = *(void**)POINTER_SHIFT(input, i * sizeof(void*));
taosArrayPush(pInfo->pBlockLists, &pReq);
}
pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
} else if (type == STREAM_INPUT__DATA_SUBMIT) {
ASSERT(numOfBlocks == 1);
taosArrayPush(pInfo->pBlockLists, &input);
pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
} else if (type == STREAM_INPUT__DATA_BLOCK) {
for (int32_t i = 0; i < numOfBlocks; ++i) {
SSDataBlock* pDataBlock = &((SSDataBlock*)input)[i];
taosArrayPush(pInfo->pBlockLists, &pDataBlock);
}
pInfo->blockType = STREAM_INPUT__DATA_BLOCK;
} else {
ASSERT(0);
}
return TSDB_CODE_SUCCESS;
}
}
static FORCE_INLINE void streamInputBlockDataDestory(void* pBlock) { blockDataDestroy((SSDataBlock*)pBlock); }
int32_t qSetMultiStreamInput(qTaskInfo_t tinfo, const void* pBlocks, size_t numOfBlocks, int32_t type) {
if (tinfo == NULL) {
return TSDB_CODE_QRY_APP_ERROR;
}
if (pBlocks == NULL || numOfBlocks == 0) {
return TSDB_CODE_SUCCESS;
}
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
int32_t code = doSetStreamBlock(pTaskInfo->pRoot, (void*)pBlocks, numOfBlocks, type, 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 qCreateQueueExecTaskInfo(void* msg, SReadHandle* readers, int32_t* numOfCols, SSchemaWrapper** pSchema) {
if (msg == NULL) {
// create raw scan
SExecTaskInfo* pTaskInfo = taosMemoryCalloc(1, sizeof(SExecTaskInfo));
if (NULL == pTaskInfo) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
pTaskInfo->cost.created = taosGetTimestampMs();
pTaskInfo->execModel = OPTR_EXEC_MODEL_QUEUE;
pTaskInfo->pRoot = createRawScanOperatorInfo(readers, pTaskInfo);
if (NULL == pTaskInfo->pRoot) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
taosMemoryFree(pTaskInfo);
return NULL;
}
return pTaskInfo;
}
struct SSubplan* pPlan = NULL;
int32_t code = qStringToSubplan(msg, &pPlan);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
return NULL;
}
qTaskInfo_t pTaskInfo = NULL;
code = qCreateExecTask(readers, 0, 0, pPlan, &pTaskInfo, NULL, NULL, OPTR_EXEC_MODEL_QUEUE);
if (code != TSDB_CODE_SUCCESS) {
nodesDestroyNode((SNode*)pPlan);
qDestroyTask(pTaskInfo);
terrno = code;
return NULL;
}
// extract the number of output columns
SDataBlockDescNode* pDescNode = pPlan->pNode->pOutputDataBlockDesc;
*numOfCols = 0;
SNode* pNode;
FOREACH(pNode, pDescNode->pSlots) {
SSlotDescNode* pSlotDesc = (SSlotDescNode*)pNode;
if (pSlotDesc->output) {
++(*numOfCols);
}
}
*pSchema = tCloneSSchemaWrapper(((SExecTaskInfo*)pTaskInfo)->schemaInfo.qsw);
return pTaskInfo;
}
qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, SReadHandle* readers) {
if (msg == NULL) {
return NULL;
}
/*qDebugL("stream task string %s", (const char*)msg);*/
struct SSubplan* pPlan = NULL;
int32_t code = qStringToSubplan(msg, &pPlan);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
return NULL;
}
qTaskInfo_t pTaskInfo = NULL;
code = qCreateExecTask(readers, 0, 0, pPlan, &pTaskInfo, NULL, NULL, OPTR_EXEC_MODEL_STREAM);
if (code != TSDB_CODE_SUCCESS) {
nodesDestroyNode((SNode*)pPlan);
qDestroyTask(pTaskInfo);
terrno = code;
return NULL;
}
return pTaskInfo;
}
static SArray* filterUnqualifiedTables(const SStreamScanInfo* pScanInfo, const SArray* tableIdList, const char* idstr) {
SArray* qa = taosArrayInit(4, sizeof(tb_uid_t));
// let's discard the tables those are not created according to the queried super table.
SMetaReader mr = {0};
metaReaderInit(&mr, pScanInfo->readHandle.meta, 0);
for (int32_t i = 0; i < taosArrayGetSize(tableIdList); ++i) {
uint64_t* id = (uint64_t*)taosArrayGet(tableIdList, i);
int32_t code = metaGetTableEntryByUid(&mr, *id);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to get table meta, uid:%" PRIu64 " code:%s, %s", *id, tstrerror(terrno), idstr);
continue;
}
tDecoderClear(&mr.coder);
// TODO handle ntb case
if (mr.me.type != TSDB_CHILD_TABLE || mr.me.ctbEntry.suid != pScanInfo->tableUid) {
continue;
}
if (pScanInfo->pTagCond != NULL) {
bool qualified = false;
STableKeyInfo info = {.groupId = 0, .uid = mr.me.uid};
code = isQualifiedTable(&info, pScanInfo->pTagCond, pScanInfo->readHandle.meta, &qualified);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to filter new table, uid:0x%" PRIx64 ", %s", info.uid, idstr);
continue;
}
if (!qualified) {
continue;
}
}
// handle multiple partition
taosArrayPush(qa, id);
}
metaReaderClear(&mr);
return qa;
}
int32_t qUpdateQualifiedTableId(qTaskInfo_t tinfo, const SArray* tableIdList, bool isAdd) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
STableListInfo* pListInfo = &pTaskInfo->tableqinfoList;
if (isAdd) {
qDebug("add %d tables id into query list, %s", (int32_t)taosArrayGetSize(tableIdList), pTaskInfo->id.str);
}
if (pListInfo->map == NULL) {
pListInfo->map = taosHashInit(32, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
}
// traverse to the stream scanner node to add this table id
SOperatorInfo* pInfo = pTaskInfo->pRoot;
while (pInfo->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
pInfo = pInfo->pDownstream[0];
}
int32_t code = 0;
SStreamScanInfo* pScanInfo = pInfo->info;
if (isAdd) { // add new table id
SArray* qa = filterUnqualifiedTables(pScanInfo, tableIdList, GET_TASKID(pTaskInfo));
qDebug(" %d qualified child tables added into stream scanner", (int32_t)taosArrayGetSize(qa));
code = tqReaderAddTbUidList(pScanInfo->tqReader, qa);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(qa);
return code;
}
// todo refactor STableList
bool assignUid = false;
size_t bufLen = (pScanInfo->pGroupTags != NULL) ? getTableTagsBufLen(pScanInfo->pGroupTags) : 0;
char* keyBuf = NULL;
if (bufLen > 0) {
assignUid = groupbyTbname(pScanInfo->pGroupTags);
keyBuf = taosMemoryMalloc(bufLen);
if (keyBuf == NULL) {
taosArrayDestroy(qa);
return TSDB_CODE_OUT_OF_MEMORY;
}
}
for (int32_t i = 0; i < taosArrayGetSize(qa); ++i) {
uint64_t* uid = taosArrayGet(qa, i);
STableKeyInfo keyInfo = {.uid = *uid, .groupId = 0};
if (bufLen > 0) {
if (assignUid) {
keyInfo.groupId = keyInfo.uid;
} else {
code = getGroupIdFromTagsVal(pScanInfo->readHandle.meta, keyInfo.uid, pScanInfo->pGroupTags, keyBuf,
&keyInfo.groupId);
if (code != TSDB_CODE_SUCCESS) {
taosMemoryFree(keyBuf);
taosArrayDestroy(qa);
return code;
}
}
}
#if 0
bool exists = false;
for (int32_t k = 0; k < taosArrayGetSize(pListInfo->pTableList); ++k) {
STableKeyInfo* pKeyInfo = taosArrayGet(pListInfo->pTableList, k);
if (pKeyInfo->uid == keyInfo.uid) {
qWarn("ignore duplicated query table uid:%" PRIu64 " added, %s", pKeyInfo->uid, pTaskInfo->id.str);
exists = true;
}
}
if (!exists) {
#endif
taosArrayPush(pTaskInfo->tableqinfoList.pTableList, &keyInfo);
taosHashPut(pTaskInfo->tableqinfoList.map, uid, sizeof(*uid), &keyInfo.groupId, sizeof(keyInfo.groupId));
}
if (keyBuf != NULL) {
taosMemoryFree(keyBuf);
}
taosArrayDestroy(qa);
} else { // remove the table id in current list
qDebug(" %d remove child tables from the stream scanner", (int32_t)taosArrayGetSize(tableIdList));
code = tqReaderRemoveTbUidList(pScanInfo->tqReader, tableIdList);
}
return code;
}
int32_t qGetQueryTableSchemaVersion(qTaskInfo_t tinfo, char* dbName, char* tableName, int32_t* sversion,
int32_t* tversion) {
ASSERT(tinfo != NULL && dbName != NULL && tableName != NULL);
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
if (pTaskInfo->schemaInfo.sw == NULL) {
return TSDB_CODE_SUCCESS;
}
*sversion = pTaskInfo->schemaInfo.sw->version;
*tversion = pTaskInfo->schemaInfo.tversion;
if (pTaskInfo->schemaInfo.dbname) {
strcpy(dbName, pTaskInfo->schemaInfo.dbname);
} else {
dbName[0] = 0;
}
if (pTaskInfo->schemaInfo.tablename) {
strcpy(tableName, pTaskInfo->schemaInfo.tablename);
} else {
tableName[0] = 0;
}
return 0;
}
int32_t qCreateExecTask(SReadHandle* readHandle, int32_t vgId, uint64_t taskId, SSubplan* pSubplan,
qTaskInfo_t* pTaskInfo, DataSinkHandle* handle, char* sql, EOPTR_EXEC_MODEL model) {
assert(pSubplan != NULL);
SExecTaskInfo** pTask = (SExecTaskInfo**)pTaskInfo;
taosThreadOnce(&initPoolOnce, initRefPool);
atexit(cleanupRefPool);
qDebug("start to create subplan task, TID:0x%" PRIx64 " QID:0x%" PRIx64, taskId, pSubplan->id.queryId);
int32_t code = createExecTaskInfoImpl(pSubplan, pTask, readHandle, taskId, sql, model);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to createExecTaskInfoImpl, code: %s", tstrerror(code));
goto _error;
}
SDataSinkMgtCfg cfg = {.maxDataBlockNum = 10000, .maxDataBlockNumPerQuery = 5000};
code = dsDataSinkMgtInit(&cfg);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to dsDataSinkMgtInit, code:%s, %s", tstrerror(code), (*pTask)->id.str);
goto _error;
}
if (handle) {
void* pSinkParam = NULL;
code = createDataSinkParam(pSubplan->pDataSink, &pSinkParam, pTaskInfo, readHandle);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to createDataSinkParam, vgId:%d, code:%s, %s", vgId, tstrerror(code), (*pTask)->id.str);
goto _error;
}
code = dsCreateDataSinker(pSubplan->pDataSink, handle, pSinkParam);
if (code != TSDB_CODE_SUCCESS) {
taosMemoryFreeClear(pSinkParam);
}
}
qDebug("subplan task create completed, TID:0x%" PRIx64 " QID:0x%" PRIx64, taskId, pSubplan->id.queryId);
_error:
// if failed to add ref for all tables in this query, abort current query
return code;
}
#ifdef TEST_IMPL
// wait moment
int waitMoment(SQInfo* pQInfo) {
if (pQInfo->sql) {
int ms = 0;
char* pcnt = strstr(pQInfo->sql, " count(*)");
if (pcnt) return 0;
char* pos = strstr(pQInfo->sql, " t_");
if (pos) {
pos += 3;
ms = atoi(pos);
while (*pos >= '0' && *pos <= '9') {
pos++;
}
char unit_char = *pos;
if (unit_char == 'h') {
ms *= 3600 * 1000;
} else if (unit_char == 'm') {
ms *= 60 * 1000;
} else if (unit_char == 's') {
ms *= 1000;
}
}
if (ms == 0) return 0;
printf("test wait sleep %dms. sql=%s ...\n", ms, pQInfo->sql);
if (ms < 1000) {
taosMsleep(ms);
} else {
int used_ms = 0;
while (used_ms < ms) {
taosMsleep(1000);
used_ms += 1000;
if (isTaskKilled(pQInfo)) {
printf("test check query is canceled, sleep break.%s\n", pQInfo->sql);
break;
}
}
}
}
return 1;
}
#endif
static void freeBlock(void* param) {
SSDataBlock* pBlock = *(SSDataBlock**)param;
blockDataDestroy(pBlock);
}
int32_t qExecTaskOpt(qTaskInfo_t tinfo, SArray* pResList, uint64_t* useconds, bool* hasMore, SLocalFetch* pLocal) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
int64_t threadId = taosGetSelfPthreadId();
if (pLocal) {
memcpy(&pTaskInfo->localFetch, pLocal, sizeof(*pLocal));
}
taosArrayClearEx(pResList, freeBlock);
int64_t curOwner = 0;
if ((curOwner = atomic_val_compare_exchange_64(&pTaskInfo->owner, 0, threadId)) != 0) {
qError("%s-%p execTask is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo, (void*)curOwner);
pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;
return pTaskInfo->code;
}
if (pTaskInfo->cost.start == 0) {
pTaskInfo->cost.start = taosGetTimestampMs();
}
if (isTaskKilled(pTaskInfo)) {
atomic_store_64(&pTaskInfo->owner, 0);
qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));
return TSDB_CODE_SUCCESS;
}
// error occurs, record the error code and return to client
int32_t ret = setjmp(pTaskInfo->env);
if (ret != TSDB_CODE_SUCCESS) {
pTaskInfo->code = ret;
cleanUpUdfs();
qDebug("%s task abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
atomic_store_64(&pTaskInfo->owner, 0);
return pTaskInfo->code;
}
qDebug("%s execTask is launched", GET_TASKID(pTaskInfo));
int32_t current = 0;
SSDataBlock* pRes = NULL;
int64_t st = taosGetTimestampUs();
while ((pRes = pTaskInfo->pRoot->fpSet.getNextFn(pTaskInfo->pRoot)) != NULL) {
SSDataBlock* p = createOneDataBlock(pRes, true);
current += p->info.rows;
ASSERT(p->info.rows > 0);
taosArrayPush(pResList, &p);
if (current >= 4096) {
break;
}
}
*hasMore = (pRes != NULL);
uint64_t el = (taosGetTimestampUs() - st);
pTaskInfo->cost.elapsedTime += el;
if (NULL == pRes) {
*useconds = pTaskInfo->cost.elapsedTime;
}
cleanUpUdfs();
uint64_t total = pTaskInfo->pRoot->resultInfo.totalRows;
qDebug("%s task suspended, %d rows in %d blocks returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
GET_TASKID(pTaskInfo), current, (int32_t)taosArrayGetSize(pResList), total, 0, el / 1000.0);
atomic_store_64(&pTaskInfo->owner, 0);
return pTaskInfo->code;
}
int32_t qExecTask(qTaskInfo_t tinfo, SSDataBlock** pRes, uint64_t* useconds) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
int64_t threadId = taosGetSelfPthreadId();
*pRes = NULL;
int64_t curOwner = 0;
if ((curOwner = atomic_val_compare_exchange_64(&pTaskInfo->owner, 0, threadId)) != 0) {
qError("%s-%p execTask is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo, (void*)curOwner);
pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;
return pTaskInfo->code;
}
if (pTaskInfo->cost.start == 0) {
pTaskInfo->cost.start = taosGetTimestampMs();
}
if (isTaskKilled(pTaskInfo)) {
atomic_store_64(&pTaskInfo->owner, 0);
qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));
return TSDB_CODE_SUCCESS;
}
// error occurs, record the error code and return to client
int32_t ret = setjmp(pTaskInfo->env);
if (ret != TSDB_CODE_SUCCESS) {
pTaskInfo->code = ret;
cleanUpUdfs();
qDebug("%s task abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
atomic_store_64(&pTaskInfo->owner, 0);
return pTaskInfo->code;
}
qDebug("%s execTask is launched", GET_TASKID(pTaskInfo));
int64_t st = taosGetTimestampUs();
*pRes = pTaskInfo->pRoot->fpSet.getNextFn(pTaskInfo->pRoot);
uint64_t el = (taosGetTimestampUs() - st);
pTaskInfo->cost.elapsedTime += el;
if (NULL == *pRes) {
*useconds = pTaskInfo->cost.elapsedTime;
}
cleanUpUdfs();
int32_t current = (*pRes != NULL) ? (*pRes)->info.rows : 0;
uint64_t total = pTaskInfo->pRoot->resultInfo.totalRows;
qDebug("%s task suspended, %d rows returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
GET_TASKID(pTaskInfo), current, total, 0, el / 1000.0);
atomic_store_64(&pTaskInfo->owner, 0);
return pTaskInfo->code;
}
int32_t qKillTask(qTaskInfo_t qinfo) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)qinfo;
if (pTaskInfo == NULL) {
return TSDB_CODE_QRY_INVALID_QHANDLE;
}
qAsyncKillTask(qinfo);
// Wait for the query executing thread being stopped/
// Once the query is stopped, the owner of qHandle will be cleared immediately.
while (pTaskInfo->owner != 0) {
taosMsleep(100);
}
return TSDB_CODE_SUCCESS;
}
int32_t qAsyncKillTask(qTaskInfo_t qinfo) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)qinfo;
if (pTaskInfo == NULL) {
return TSDB_CODE_QRY_INVALID_QHANDLE;
}
qDebug("%s execTask async killed", GET_TASKID(pTaskInfo));
setTaskKilled(pTaskInfo);
return TSDB_CODE_SUCCESS;
}
void qDestroyTask(qTaskInfo_t qTaskHandle) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)qTaskHandle;
if (pTaskInfo == NULL) {
return;
}
qDebug("%s execTask completed, numOfRows:%" PRId64, GET_TASKID(pTaskInfo), pTaskInfo->pRoot->resultInfo.totalRows);
queryCostStatis(pTaskInfo); // print the query cost summary
doDestroyTask(pTaskInfo);
}
int32_t qGetExplainExecInfo(qTaskInfo_t tinfo, SArray* pExecInfoList) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
return getOperatorExplainExecInfo(pTaskInfo->pRoot, pExecInfoList);
}
int32_t qSerializeTaskStatus(qTaskInfo_t tinfo, char** pOutput, int32_t* len) {
SExecTaskInfo* pTaskInfo = (struct SExecTaskInfo*)tinfo;
if (pTaskInfo->pRoot == NULL) {
return TSDB_CODE_INVALID_PARA;
}
int32_t nOptrWithVal = 0;
int32_t code = encodeOperator(pTaskInfo->pRoot, pOutput, len, &nOptrWithVal);
if ((code == TSDB_CODE_SUCCESS) && (nOptrWithVal == 0)) {
taosMemoryFreeClear(*pOutput);
*len = 0;
}
return code;
}
int32_t qDeserializeTaskStatus(qTaskInfo_t tinfo, const char* pInput, int32_t len) {
SExecTaskInfo* pTaskInfo = (struct SExecTaskInfo*)tinfo;
if (pTaskInfo == NULL || pInput == NULL || len == 0) {
return TSDB_CODE_INVALID_PARA;
}
return decodeOperator(pTaskInfo->pRoot, pInput, len);
}
int32_t qExtractStreamScanner(qTaskInfo_t tinfo, void** scanner) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
SOperatorInfo* pOperator = pTaskInfo->pRoot;
while (1) {
uint16_t type = pOperator->operatorType;
if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
*scanner = pOperator->info;
return 0;
} else {
ASSERT(pOperator->numOfDownstream == 1);
pOperator = pOperator->pDownstream[0];
}
}
}
#if 0
int32_t qStreamInput(qTaskInfo_t tinfo, void* pItem) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM);
taosWriteQitem(pTaskInfo->streamInfo.inputQueue->queue, pItem);
return 0;
}
#endif
int32_t qStreamPrepareRecover(qTaskInfo_t tinfo, int64_t startVer, int64_t endVer) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM);
pTaskInfo->streamInfo.recoverStartVer = startVer;
pTaskInfo->streamInfo.recoverEndVer = endVer;
pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__PREPARE;
return 0;
}
void* qExtractReaderFromStreamScanner(void* scanner) {
SStreamScanInfo* pInfo = scanner;
return (void*)pInfo->tqReader;
}
const SSchemaWrapper* qExtractSchemaFromTask(qTaskInfo_t tinfo) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
return pTaskInfo->streamInfo.schema;
}
const char* qExtractTbnameFromTask(qTaskInfo_t tinfo) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
return pTaskInfo->streamInfo.tbName;
}
SMqMetaRsp* qStreamExtractMetaMsg(qTaskInfo_t tinfo) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE);
return &pTaskInfo->streamInfo.metaRsp;
}
int64_t qStreamExtractPrepareUid(qTaskInfo_t tinfo) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE);
return pTaskInfo->streamInfo.prepareStatus.uid;
}
int32_t qStreamExtractOffset(qTaskInfo_t tinfo, STqOffsetVal* pOffset) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE);
memcpy(pOffset, &pTaskInfo->streamInfo.lastStatus, sizeof(STqOffsetVal));
return 0;
}
int32_t initQueryTableDataCondForTmq(SQueryTableDataCond* pCond, SSnapContext* sContext, SMetaTableInfo* pMtInfo) {
memset(pCond, 0, sizeof(SQueryTableDataCond));
pCond->order = TSDB_ORDER_ASC;
pCond->numOfCols = pMtInfo->schema->nCols;
pCond->colList = taosMemoryCalloc(pCond->numOfCols, sizeof(SColumnInfo));
if (pCond->colList == NULL) {
terrno = TSDB_CODE_QRY_OUT_OF_MEMORY;
return terrno;
}
pCond->twindows = (STimeWindow){.skey = INT64_MIN, .ekey = INT64_MAX};
pCond->suid = pMtInfo->suid;
pCond->type = TIMEWINDOW_RANGE_CONTAINED;
pCond->startVersion = -1;
pCond->endVersion = sContext->snapVersion;
for (int32_t i = 0; i < pCond->numOfCols; ++i) {
pCond->colList[i].type = pMtInfo->schema->pSchema[i].type;
pCond->colList[i].bytes = pMtInfo->schema->pSchema[i].bytes;
pCond->colList[i].colId = pMtInfo->schema->pSchema[i].colId;
}
return TSDB_CODE_SUCCESS;
}
int32_t qStreamScanMemData(qTaskInfo_t tinfo, const SSubmitReq* pReq) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE);
ASSERT(pTaskInfo->streamInfo.pReq == NULL);
pTaskInfo->streamInfo.pReq = pReq;
return 0;
}
int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subType) {
SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
SOperatorInfo* pOperator = pTaskInfo->pRoot;
ASSERT(pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE);
pTaskInfo->streamInfo.prepareStatus = *pOffset;
pTaskInfo->streamInfo.returned = 0;
if (tOffsetEqual(pOffset, &pTaskInfo->streamInfo.lastStatus)) {
return 0;
}
if (subType == TOPIC_SUB_TYPE__COLUMN) {
uint16_t type = pOperator->operatorType;
pOperator->status = OP_OPENED;
// TODO add more check
if (type != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
ASSERT(pOperator->numOfDownstream == 1);
pOperator = pOperator->pDownstream[0];
}
SStreamScanInfo* pInfo = pOperator->info;
if (pOffset->type == TMQ_OFFSET__LOG) {
STableScanInfo* pTSInfo = pInfo->pTableScanOp->info;
tsdbReaderClose(pTSInfo->dataReader);
pTSInfo->dataReader = NULL;
#if 0
if (tOffsetEqual(pOffset, &pTaskInfo->streamInfo.lastStatus) &&
pInfo->tqReader->pWalReader->curVersion != pOffset->version) {
qError("prepare scan ver %" PRId64 " actual ver %" PRId64 ", last %" PRId64, pOffset->version,
pInfo->tqReader->pWalReader->curVersion, pTaskInfo->streamInfo.lastStatus.version);
ASSERT(0);
}
#endif
if (tqSeekVer(pInfo->tqReader, pOffset->version + 1) < 0) {
return -1;
}
ASSERT(pInfo->tqReader->pWalReader->curVersion == pOffset->version + 1);
} else if (pOffset->type == TMQ_OFFSET__SNAPSHOT_DATA) {
/*pInfo->blockType = STREAM_INPUT__TABLE_SCAN;*/
int64_t uid = pOffset->uid;
int64_t ts = pOffset->ts;
if (uid == 0) {
if (taosArrayGetSize(pTaskInfo->tableqinfoList.pTableList) != 0) {
STableKeyInfo* pTableInfo = taosArrayGet(pTaskInfo->tableqinfoList.pTableList, 0);
uid = pTableInfo->uid;
ts = INT64_MIN;
} else {
return -1;
}
}
/*if (pTaskInfo->streamInfo.lastStatus.type != TMQ_OFFSET__SNAPSHOT_DATA ||*/
/*pTaskInfo->streamInfo.lastStatus.uid != uid || pTaskInfo->streamInfo.lastStatus.ts != ts) {*/
STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
int32_t tableSz = taosArrayGetSize(pTaskInfo->tableqinfoList.pTableList);
#ifndef NDEBUG
qDebug("switch to next table %" PRId64 " (cursor %d), %" PRId64 " rows returned", uid,
pTableScanInfo->currentTable, pInfo->pTableScanOp->resultInfo.totalRows);
pInfo->pTableScanOp->resultInfo.totalRows = 0;
#endif
bool found = false;
for (int32_t i = 0; i < tableSz; i++) {
STableKeyInfo* pTableInfo = taosArrayGet(pTaskInfo->tableqinfoList.pTableList, i);
if (pTableInfo->uid == uid) {
found = true;
pTableScanInfo->currentTable = i;
break;
}
}
// TODO after dropping table, table may not found
ASSERT(found);
if (pTableScanInfo->dataReader == NULL) {
if (tsdbReaderOpen(pTableScanInfo->readHandle.vnode, &pTableScanInfo->cond,
pTaskInfo->tableqinfoList.pTableList, &pTableScanInfo->dataReader, NULL) < 0 ||
pTableScanInfo->dataReader == NULL) {
ASSERT(0);
}
}
tsdbSetTableId(pTableScanInfo->dataReader, uid);
int64_t oldSkey = pTableScanInfo->cond.twindows.skey;
pTableScanInfo->cond.twindows.skey = ts + 1;
tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
pTableScanInfo->cond.twindows.skey = oldSkey;
pTableScanInfo->scanTimes = 0;
qDebug("tsdb reader offset seek to uid %" PRId64 " ts %" PRId64 ", table cur set to %d , all table num %d", uid,
ts, pTableScanInfo->currentTable, tableSz);
/*}*/
} else {
ASSERT(0);
}
} else if (pOffset->type == TMQ_OFFSET__SNAPSHOT_DATA) {
SStreamRawScanInfo* pInfo = pOperator->info;
SSnapContext* sContext = pInfo->sContext;
if (setForSnapShot(sContext, pOffset->uid) != 0) {
qError("setDataForSnapShot error. uid:%" PRIi64, pOffset->uid);
return -1;
}
SMetaTableInfo mtInfo = getUidfromSnapShot(sContext);
tsdbReaderClose(pInfo->dataReader);
pInfo->dataReader = NULL;
cleanupQueryTableDataCond(&pTaskInfo->streamInfo.tableCond);
taosArrayDestroy(pTaskInfo->tableqinfoList.pTableList);
if (mtInfo.uid == 0) return 0; // no data
initQueryTableDataCondForTmq(&pTaskInfo->streamInfo.tableCond, sContext, &mtInfo);
pTaskInfo->streamInfo.tableCond.twindows.skey = pOffset->ts;
pTaskInfo->tableqinfoList.pTableList = taosArrayInit(1, sizeof(STableKeyInfo));
taosArrayPush(pTaskInfo->tableqinfoList.pTableList, &(STableKeyInfo){.uid = mtInfo.uid, .groupId = 0});
tsdbReaderOpen(pInfo->vnode, &pTaskInfo->streamInfo.tableCond, pTaskInfo->tableqinfoList.pTableList,
&pInfo->dataReader, NULL);
cleanupQueryTableDataCond(&pTaskInfo->streamInfo.tableCond);
strcpy(pTaskInfo->streamInfo.tbName, mtInfo.tbName);
tDeleteSSchemaWrapper(pTaskInfo->streamInfo.schema);
pTaskInfo->streamInfo.schema = mtInfo.schema;
qDebug("tmqsnap qStreamPrepareScan snapshot data uid %" PRId64 " ts %" PRId64, mtInfo.uid, pOffset->ts);
} else if (pOffset->type == TMQ_OFFSET__SNAPSHOT_META) {
SStreamRawScanInfo* pInfo = pOperator->info;
SSnapContext* sContext = pInfo->sContext;
if (setForSnapShot(sContext, pOffset->uid) != 0) {
qError("setForSnapShot error. uid:%" PRIu64 " ,version:%" PRId64, pOffset->uid, pOffset->version);
return -1;
}
qDebug("tmqsnap qStreamPrepareScan snapshot meta uid %" PRId64 " ts %" PRId64, pOffset->uid, pOffset->ts);
} else if (pOffset->type == TMQ_OFFSET__LOG) {
SStreamRawScanInfo* pInfo = pOperator->info;
tsdbReaderClose(pInfo->dataReader);
pInfo->dataReader = NULL;
qDebug("tmqsnap qStreamPrepareScan snapshot log");
}
return 0;
}
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