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Merge pull request #1397 from taosdata/liaohj_2 

Liaohj 2
This commit is contained in:
slguan 2020-03-21 21:55:28 +08:00 committed by GitHub
parent a66d184548 699c1bbd7d
commit 424d9bfd2c
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 2087 additions and 1129 deletions
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2
src/client/inc/tscUtil.h
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@ -85,7 +85,7 @@ int32_t tscGetDataBlockFromList(void* pHashList, SDataBlockList* pDataBlockList,
STableDataBlocks** dataBlocks);
SVnodeSidList* tscGetVnodeSidList(SSuperTableMeta* pMetricmeta, int32_t vnodeIdx);
STableSidExtInfo* tscGetMeterSidInfo(SVnodeSidList* pSidList, int32_t idx);
STableIdInfo* tscGetMeterSidInfo(SVnodeSidList* pSidList, int32_t idx);
/**
*

7
src/client/src/tscLocal.c
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@ -318,15 +318,16 @@ static int tscBuildMetricTagProjectionResult(SSqlObj *pSql) {
SVnodeSidList *pSidList = (SVnodeSidList *)((char *)pMetricMeta + pMetricMeta->list[i]);
for (int32_t j = 0; j < pSidList->numOfSids; ++j) {
STableSidExtInfo *pSidExt = tscGetMeterSidInfo(pSidList, j);
STableIdInfo *pSidExt = tscGetMeterSidInfo(pSidList, j);
for (int32_t k = 0; k < pQueryInfo->fieldsInfo.numOfOutputCols; ++k) {
SColIndexEx *pColIndex = &tscSqlExprGet(pQueryInfo, k)->colInfo;
int16_t offsetId = pColIndex->colIdx;
assert((pColIndex->flag & TSDB_COL_TAG) != 0);
char * val = pSidExt->tags + vOffset[offsetId];
assert(0);
char * val = NULL;//pSidExt->tags + vOffset[offsetId];
TAOS_FIELD *pField = tscFieldInfoGetField(pQueryInfo, k);
memcpy(pRes->data + tscFieldInfoGetOffset(pQueryInfo, k) * totalNumOfResults + pField->bytes * rowIdx, val,

66
src/client/src/tscServer.c
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@ -598,7 +598,7 @@ static int32_t tscEstimateQueryMsgSize(SSqlCmd *pCmd, int32_t clauseIndex) {
SSuperTableMeta *pMetricMeta = pTableMetaInfo->pMetricMeta;
SVnodeSidList *pVnodeSidList = tscGetVnodeSidList(pMetricMeta, pTableMetaInfo->vnodeIndex);
int32_t meterInfoSize = (pMetricMeta->tagLen + sizeof(STableSidExtInfo)) * pVnodeSidList->numOfSids;
int32_t meterInfoSize = (pMetricMeta->tagLen + sizeof(STableIdInfo)) * pVnodeSidList->numOfSids;
int32_t outputColumnSize = pQueryInfo->exprsInfo.numOfExprs * sizeof(SSqlFuncExprMsg);
int32_t size = meterInfoSize + outputColumnSize + srcColListSize + exprSize + MIN_QUERY_MSG_PKT_SIZE;
@ -609,37 +609,34 @@ static int32_t tscEstimateQueryMsgSize(SSqlCmd *pCmd, int32_t clauseIndex) {
return size;
}
static char *doSerializeTableInfo(SSqlObj *pSql, int32_t numOfTables, int32_t vnodeId, char *pMsg) {
static char *doSerializeTableInfo(SSqlObj *pSql, int32_t numOfTables, int32_t vgId, char *pMsg) {
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, pSql->cmd.clauseIndex, 0);
STableMeta * pTableMeta = pTableMetaInfo->pTableMeta;
SSuperTableMeta *pMetricMeta = pTableMetaInfo->pMetricMeta;
tscTrace("%p vid:%d, query on %d meters", pSql, vnodeId, numOfTables);
tscTrace("%p vgId:%d, query on %d tables", pSql, vgId, numOfTables);
if (UTIL_TABLE_IS_NOMRAL_TABLE(pTableMetaInfo)) {
#ifdef _DEBUG_VIEW
tscTrace("%p sid:%d, uid:%" PRIu64, pSql, pTableMetaInfo->pTableMeta->sid, pTableMetaInfo->pTableMeta->uid);
#endif
STableSidExtInfo *pTableMetaInfo = (STableSidExtInfo *)pMsg;
pTableMetaInfo->sid = htonl(pTableMeta->sid);
pTableMetaInfo->uid = htobe64(pTableMeta->uid);
pTableMetaInfo->key = htobe64(tscGetSubscriptionProgress(pSql->pSubscription, pTableMeta->uid));
pMsg += sizeof(STableSidExtInfo);
STableIdInfo *pTableIdInfo = (STableIdInfo *)pMsg;
pTableIdInfo->sid = htonl(pTableMeta->sid);
pTableIdInfo->uid = htobe64(pTableMeta->uid);
pTableIdInfo->key = htobe64(tscGetSubscriptionProgress(pSql->pSubscription, pTableMeta->uid));
pMsg += sizeof(STableIdInfo);
} else {
SVnodeSidList *pVnodeSidList = tscGetVnodeSidList(pMetricMeta, pTableMetaInfo->vnodeIndex);
for (int32_t i = 0; i < numOfTables; ++i) {
STableSidExtInfo *pTableMetaInfo = (STableSidExtInfo *)pMsg;
STableSidExtInfo *pQueryMeterInfo = tscGetMeterSidInfo(pVnodeSidList, i);
STableIdInfo *pTableIdInfo = (STableIdInfo *)pMsg;
STableIdInfo *pQueryMeterInfo = tscGetMeterSidInfo(pVnodeSidList, i);
pTableMetaInfo->sid = htonl(pQueryMeterInfo->sid);
pTableMetaInfo->uid = htobe64(pQueryMeterInfo->uid);
pTableMetaInfo->key = htobe64(tscGetSubscriptionProgress(pSql->pSubscription, pQueryMeterInfo->uid));
pTableIdInfo->sid = htonl(pQueryMeterInfo->sid);
pTableIdInfo->uid = htobe64(pQueryMeterInfo->uid);
pTableIdInfo->key = htobe64(tscGetSubscriptionProgress(pSql->pSubscription, pQueryMeterInfo->uid));
pMsg += sizeof(STableSidExtInfo);
memcpy(pMsg, pQueryMeterInfo->tags, pMetricMeta->tagLen);
pMsg += pMetricMeta->tagLen;
pMsg += sizeof(STableIdInfo);
#ifdef _DEBUG_VIEW
tscTrace("%p sid:%d, uid:%" PRId64, pSql, pQueryMeterInfo->sid, pQueryMeterInfo->uid);
@ -679,6 +676,7 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
pQueryMsg->uid = pTableMeta->uid;
pQueryMsg->numOfTagsCols = 0;
pQueryMsg->vgId = htonl(pTableMeta->vgid);
tscTrace("%p queried tables:%d, table id: %s", pSql, 1, pTableMetaInfo->name);
} else { // query on super table
if (pTableMetaInfo->vnodeIndex < 0) {
@ -696,7 +694,7 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
}
tscTrace("%p query on vid:%d, number of tables:%d", pSql, vnodeId, numOfTables);
pQueryMsg->vnode = htons(vnodeId);
pQueryMsg->vgId = htons(vnodeId);
}
pQueryMsg->numOfTables = htonl(numOfTables);
@ -764,14 +762,14 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SColumnBase *pCol = tscColumnBaseInfoGet(&pQueryInfo->colList, i);
SSchema * pColSchema = &pSchema[pCol->colIndex.columnIndex];
if (pCol->colIndex.columnIndex >= tscGetNumOfColumns(pTableMeta) || pColSchema->type < TSDB_DATA_TYPE_BOOL ||
pColSchema->type > TSDB_DATA_TYPE_NCHAR) {
tscError("%p vid:%d sid:%d id:%s, column index out of range, numOfColumns:%d, index:%d, column name:%s", pSql,
htons(pQueryMsg->vnode), pTableMeta->sid, pTableMetaInfo->name, tscGetNumOfColumns(pTableMeta), pCol->colIndex,
pColSchema->name);
return -1; // 0 means build msg failed
}
// if (pCol->colIndex.columnIndex >= tscGetNumOfColumns(pTableMeta) || pColSchema->type < TSDB_DATA_TYPE_BOOL ||
// pColSchema->type > TSDB_DATA_TYPE_NCHAR) {
// tscError("%p vid:%d sid:%d id:%s, column index out of range, numOfColumns:%d, index:%d, column name:%s", pSql,
// htons(pQueryMsg->vnode), pTableMeta->sid, pTableMetaInfo->name, tscGetNumOfColumns(pTableMeta), pCol->colIndex,
// pColSchema->name);
//
// return -1; // 0 means build msg failed
// }
pQueryMsg->colList[i].colId = htons(pColSchema->colId);
pQueryMsg->colList[i].bytes = htons(pColSchema->bytes);
@ -865,7 +863,7 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
pQueryMsg->colNameLen = htonl(len);
// serialize the table info (sid, uid, tags)
pMsg = doSerializeTableInfo(pSql, numOfTables, htons(pQueryMsg->vnode), pMsg);
pMsg = doSerializeTableInfo(pSql, numOfTables, htons(pQueryMsg->vgId), pMsg);
// only include the required tag column schema. If a tag is not required, it won't be sent to vnode
if (pTableMetaInfo->numOfTags > 0) {
@ -946,7 +944,9 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
tscTrace("%p msg built success,len:%d bytes", pSql, msgLen);
pCmd->payloadLen = msgLen;
pSql->cmd.msgType = TSDB_MSG_TYPE_QUERY;
pQueryMsg->contLen = htonl(msgLen);
assert(msgLen + minMsgSize() <= size);
return TSDB_CODE_SUCCESS;
@ -2067,7 +2067,7 @@ int tscProcessMetricMetaRsp(SSqlObj *pSql) {
pMeta->numOfVnodes = htonl(pMeta->numOfVnodes);
pMeta->tagLen = htons(pMeta->tagLen);
size += pMeta->numOfVnodes * sizeof(SVnodeSidList *) + pMeta->numOfTables * sizeof(STableSidExtInfo *);
size += pMeta->numOfVnodes * sizeof(SVnodeSidList *) + pMeta->numOfTables * sizeof(STableIdInfo *);
char *pBuf = calloc(1, size);
if (pBuf == NULL) {
@ -2093,16 +2093,16 @@ int tscProcessMetricMetaRsp(SSqlObj *pSql) {
tscTrace("%p metricmeta:vid:%d,numOfTables:%d", pSql, i, pLists->numOfSids);
pBuf += sizeof(SVnodeSidList) + sizeof(STableSidExtInfo *) * pSidLists->numOfSids;
pBuf += sizeof(SVnodeSidList) + sizeof(STableIdInfo *) * pSidLists->numOfSids;
rsp += sizeof(SVnodeSidList);
size_t elemSize = sizeof(STableSidExtInfo) + pNewMetricMeta->tagLen;
size_t elemSize = sizeof(STableIdInfo) + pNewMetricMeta->tagLen;
for (int32_t j = 0; j < pSidLists->numOfSids; ++j) {
pLists->pSidExtInfoList[j] = pBuf - (char *)pLists;
memcpy(pBuf, rsp, elemSize);
((STableSidExtInfo *)pBuf)->uid = htobe64(((STableSidExtInfo *)pBuf)->uid);
((STableSidExtInfo *)pBuf)->sid = htonl(((STableSidExtInfo *)pBuf)->sid);
((STableIdInfo *)pBuf)->uid = htobe64(((STableIdInfo *)pBuf)->uid);
((STableIdInfo *)pBuf)->sid = htonl(((STableIdInfo *)pBuf)->sid);
rsp += elemSize;
pBuf += elemSize;

2
src/client/src/tscSub.c
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@ -202,7 +202,7 @@ int tscUpdateSubscription(STscObj* pObj, SSub* pSub) {
for (int32_t i = 0; i < pMetricMeta->numOfVnodes; i++) {
SVnodeSidList *pVnodeSidList = tscGetVnodeSidList(pMetricMeta, i);
for (int32_t j = 0; j < pVnodeSidList->numOfSids; j++) {
STableSidExtInfo *pTableMetaInfo = tscGetMeterSidInfo(pVnodeSidList, j);
STableIdInfo *pTableMetaInfo = tscGetMeterSidInfo(pVnodeSidList, j);
int64_t uid = pTableMetaInfo->uid;
progress[numOfTables].uid = uid;
progress[numOfTables++].key = tscGetSubscriptionProgress(pSub, uid);

4
src/client/src/tscUtil.c
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@ -191,7 +191,7 @@ SVnodeSidList* tscGetVnodeSidList(SSuperTableMeta* pMetricmeta, int32_t vnodeIdx
return (SVnodeSidList*)(pMetricmeta->list[vnodeIdx] + (char*)pMetricmeta);
}
STableSidExtInfo* tscGetMeterSidInfo(SVnodeSidList* pSidList, int32_t idx) {
STableIdInfo* tscGetMeterSidInfo(SVnodeSidList* pSidList, int32_t idx) {
if (pSidList == NULL) {
tscError("illegal sidlist");
return 0;
@ -206,7 +206,7 @@ STableSidExtInfo* tscGetMeterSidInfo(SVnodeSidList* pSidList, int32_t idx) {
assert(pSidList->pSidExtInfoList[idx] >= 0);
return (STableSidExtInfo*)(pSidList->pSidExtInfoList[idx] + (char*)pSidList);
return (STableIdInfo*)(pSidList->pSidExtInfoList[idx] + (char*)pSidList);
}
bool tscIsTwoStageSTableQuery(SQueryInfo* pQueryInfo, int32_t tableIndex) {

83
src/dnode/src/dnodeRead.c
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@ -15,13 +15,16 @@
#define _DEFAULT_SOURCE
#include "os.h"
#include "taoserror.h"
#include "taosmsg.h"
#include "tlog.h"
#include "tqueue.h"
#include "trpc.h"
#include "dnodeRead.h"
#include "dnodeMgmt.h"
#include "dnodeRead.h"
#include "queryExecutor.h"
typedef struct {
int32_t code;
@ -88,7 +91,7 @@ void dnodeRead(SRpcMsg *pMsg) {
while (leftLen > 0) {
SMsgHead *pHead = (SMsgHead *) pCont;
pHead->vgId = 1; //htonl(pHead->vgId);
pHead->vgId = 1;//htonl(pHead->vgId);
pHead->contLen = pMsg->contLen; //htonl(pHead->contLen);
void *pVnode = dnodeGetVnode(pHead->vgId);
@ -223,20 +226,26 @@ static void dnodeProcessReadResult(SReadMsg *pRead) {
}
static void dnodeProcessQueryMsg(SReadMsg *pMsg) {
void *pQInfo = (void*)100;
dTrace("query msg is disposed, qInfo:%p", pQInfo);
SQueryTableMsg* pQueryTableMsg = (SQueryTableMsg*) pMsg->pCont;
SQInfo* pQInfo = NULL;
int32_t code = qCreateQueryInfo(pQueryTableMsg, &pQInfo);
SQueryTableRsp *pRsp = (SQueryTableRsp *) rpcMallocCont(sizeof(SQueryTableRsp));
pRsp->code = 0;
pRsp->code = code;
pRsp->qhandle = htobe64((uint64_t) (pQInfo));
SRpcMsg rpcRsp = {
.handle = pMsg->rpcMsg.handle,
.pCont = pRsp,
.contLen = sizeof(SQueryTableRsp),
.code = 0,
.code = code,
.msgType = 0
};
// do execute query
qTableQuery(pQInfo);
rpcSendResponse(&rpcRsp);
}
@ -245,21 +254,51 @@ static void dnodeProcessRetrieveMsg(SReadMsg *pMsg) {
void *pQInfo = htobe64(pRetrieve->qhandle);
dTrace("retrieve msg is disposed, qInfo:%p", pQInfo);
int32_t rowSize = 0;
int32_t numOfRows = 0;
int32_t contLen = 0;
SRpcMsg rpcRsp = {0};
int32_t code = qRetrieveQueryResultInfo(pQInfo, &numOfRows, &rowSize);
if (code != TSDB_CODE_SUCCESS) {
contLen = sizeof(SRetrieveTableRsp);
SRetrieveTableRsp *pRsp = (SRetrieveTableRsp *)rpcMallocCont(contLen);
pRsp->numOfRows = 0;
pRsp->precision = 0;
pRsp->offset = 0;
pRsp->useconds = 0;
rpcRsp = (SRpcMsg) {
.handle = pMsg->rpcMsg.handle,
.pCont = pRsp,
.contLen = contLen,
.code = code,
.msgType = 0
};
//todo free qinfo
} else {
contLen = 100;
SRetrieveTableRsp *pRsp = (SRetrieveTableRsp *)rpcMallocCont(contLen);
pRsp->numOfRows = 0;
pRsp->precision = 0;
pRsp->offset = 0;
pRsp->useconds = 0;
assert(pQInfo != NULL);
int32_t contLen = 100;
SRetrieveTableRsp *pRsp = (SRetrieveTableRsp *) rpcMallocCont(contLen);
pRsp->numOfRows = 0;
pRsp->precision = 0;
pRsp->offset = 0;
pRsp->useconds = 0;
SRpcMsg rpcRsp = {
.handle = pMsg->rpcMsg.handle,
.pCont = pRsp,
.contLen = contLen,
.code = 0,
.msgType = 0
};
*(int64_t*) pRsp->data = 1000;
rpcRsp = (SRpcMsg) {
.handle = pMsg->rpcMsg.handle,
.pCont = pRsp,
.contLen = contLen,
.code = code,
.msgType = 0
};
}
rpcSendResponse(&rpcRsp);
}

20
src/inc/taosmsg.h
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@ -434,15 +434,11 @@ typedef struct SColumnInfo {
SColumnFilterInfo *filters;
} SColumnInfo;
/*
* enable vnode to understand how to group several tables with different tag;
*/
typedef struct STableSidExtInfo {
typedef struct STableIdInfo {
int32_t sid;
int64_t uid;
TSKEY key; // key for subscription
char tags[];
} STableSidExtInfo;
TSKEY key; // last accessed ts, for subscription
} STableIdInfo;
typedef struct STimeWindow {
TSKEY skey;
@ -455,10 +451,10 @@ typedef struct STimeWindow {
* the outputCols will be 3 while the numOfCols is 1.
*/
typedef struct {
int16_t vnode;
int32_t contLen; // msg header
int16_t vgId;
int32_t numOfTables;
uint64_t pSidExtInfo; // table id & tag info ptr, in windows pointer may
uint64_t uid;
STimeWindow window;
@ -504,7 +500,7 @@ typedef struct {
} SQueryTableMsg;
typedef struct {
char code;
int32_t code;
uint64_t qhandle;
} SQueryTableRsp;
@ -670,7 +666,7 @@ typedef struct {
SVnodeDesc vpeerDesc[TSDB_VNODES_SUPPORT];
int16_t index; // used locally
int32_t numOfSids;
int32_t pSidExtInfoList[]; // offset value of STableSidExtInfo
int32_t pSidExtInfoList[]; // offset value of STableIdInfo
} SVnodeSidList;
typedef struct {

2
src/query/CMakeLists.txt
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@ -11,5 +11,5 @@ INCLUDE_DIRECTORIES(inc)
IF ((TD_LINUX_64) OR (TD_LINUX_32 AND TD_ARM))
AUX_SOURCE_DIRECTORY(src SRC)
ADD_LIBRARY(query ${SRC})
TARGET_LINK_LIBRARIES(query tutil m rt)
TARGET_LINK_LIBRARIES(query tsdb tutil m rt)
ENDIF ()

3
src/query/inc/qextbuffer.h
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@ -124,9 +124,8 @@ typedef struct tTagSchema {
typedef struct tSidSet {
int32_t numOfSids;
int32_t numOfSubSet;
STableSidExtInfo **pSids;
STableIdInfo **pTableIdList;
int32_t * starterPos; // position of each subgroup, generated according to
SColumnModel *pColumnModel;
SColumnOrderInfo orderIdx;
} tSidSet;

32
src/query/inc/queryExecutor.h
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@ -25,6 +25,7 @@
#include "taosdef.h"
#include "tref.h"
#include "tsqlfunction.h"
#include "tarray.h"
typedef struct SData {
int32_t num;
@ -39,7 +40,7 @@ enum {
struct SColumnFilterElem;
typedef bool (*__filter_func_t)(struct SColumnFilterElem* pFilter, char* val1, char* val2);
typedef int (*__block_search_fn_t)(char* data, int num, int64_t key, int order);
typedef int32_t (*__block_search_fn_t)(char* data, int32_t num, int64_t key, int32_t order);
typedef struct SSqlGroupbyExpr {
int16_t tableIndex;
@ -142,7 +143,7 @@ typedef struct SQuery {
int32_t pos;
int64_t pointsOffset; // the number of points offset to save read data
SData** sdata;
int32_t capacity;
SSingleColumnFilterInfo* pFilterInfo;
} SQuery;
@ -152,7 +153,6 @@ typedef struct SQueryCostSummary {
typedef struct SQueryRuntimeEnv {
SResultInfo* resultInfo; // todo refactor to merge with SWindowResInfo
SQuery* pQuery;
void* pTabObj;
SData** pInterpoBuf;
SQLFunctionCtx* pCtx;
int16_t numOfRowsPerPage;
@ -174,16 +174,17 @@ typedef struct SQInfo {
TSKEY startTime;
int64_t elapsedTime;
SResultRec rec;
int pointsReturned;
int pointsInterpo;
int code; // error code to returned to client
int32_t pointsReturned;
int32_t pointsInterpo;
int32_t code; // error code to returned to client
int32_t killed; // denotes if current query is killed
sem_t dataReady;
SHashObj* pTableList; // table list
SArray* pTableIdList; // table list
SQueryRuntimeEnv runtimeEnv;
int32_t subgroupIdx;
int32_t offset; /* offset in group result set of subgroup */
tSidSet* pSidSet;
// tSidSet* pSidSet;
T_REF_DECLARE()
/*
* the query is executed position on which meter of the whole list.
@ -204,13 +205,13 @@ typedef struct SQInfo {
* @param pQInfo
* @return
*/
int32_t qCreateQueryInfo(void* pReadMsg, SQInfo** pQInfo);
int32_t qCreateQueryInfo(SQueryTableMsg* pQueryTableMsg, SQInfo** pQInfo);
/**
* query on single table
* @param pReadMsg
*/
void qTableQuery(void* pReadMsg);
void qTableQuery(SQInfo* pQInfo);
/**
* query on super table
@ -218,4 +219,13 @@ void qTableQuery(void* pReadMsg);
*/
void qSuperTableQuery(void* pReadMsg);
/**
* wait for the query completed, and retrieve final results to client
* @param pQInfo
*/
int32_t qRetrieveQueryResultInfo(SQInfo* pQInfo, int32_t *numOfRows, int32_t* rowsize);
//int32_t qBuildQueryResult(SQInfo* pQInfo, void* pBuf);
#endif // TDENGINE_QUERYEXECUTOR_H

2947
src/query/src/queryExecutor.c
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File diff suppressed because it is too large Load Diff

48
src/vnode/tsdb/src/tsdbRead.c
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@ -16,3 +16,51 @@
#include "os.h"
#include "tsdb.h"
tsdb_query_handle_t *tsdbQueryByTableId(STsdbQueryCond *pCond, SArray *idList, SArray *pColumnInfo) {
}
bool tsdbNextDataBlock(tsdb_query_handle_t *pQueryHandle) {
return false;
}
SDataBlockInfo tsdbRetrieveDataBlockInfo(tsdb_query_handle_t *pQueryHandle) {
}
int32_t tsdbRetrieveDataBlockStatisInfo(tsdb_query_handle_t *pQueryHandle, SDataStatis **pBlockStatis) {
}
SArray *tsdbRetrieveDataBlock(tsdb_query_handle_t *pQueryHandle, SArray *pIdList) {
}
int32_t tsdbResetQuery(tsdb_query_handle_t *pQueryHandle, STimeWindow* window, tsdbpos_t position, int16_t order) {
}
int32_t tsdbDataBlockSeek(tsdb_query_handle_t *pQueryHandle, tsdbpos_t pos) {
}
tsdbpos_t tsdbDataBlockTell(tsdb_query_handle_t *pQueryHandle) {
return NULL;
}
SArray *tsdbRetrieveDataRow(tsdb_query_handle_t *pQueryHandle, SArray *pIdList, SQueryRowCond *pCond) {
}
tsdb_query_handle_t *tsdbQueryFromTagConds(STsdbQueryCond *pCond, int16_t stableId, const char *pTagFilterStr) {
}
STableIDList *tsdbGetTableList(tsdb_query_handle_t *pQueryHandle) {
}
STableIDList *tsdbQueryTableList(int16_t stableId, const char *pTagCond) {
}