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fix(tmq): set precision

This commit is contained in:
Liu Jicong 2022-10-26 15:54:00 +08:00
parent 8dbe7ac377
commit 4b5807c7f0
4 changed files with 13 additions and 10 deletions
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4
examples/c/tmq.c
View File

@ -47,7 +47,7 @@ static int32_t msg_process(TAOS_RES* msg) {
int32_t precision = taos_result_precision(msg);
rows++;
taos_print_row(buf, row, fields, numOfFields);
printf("row content: %s\n", buf);
printf("precision: %d, row content: %s\n", precision, buf);
}
return rows;
@ -70,7 +70,7 @@ static int32_t init_env() {
taos_free_result(pRes);
// create database
pRes = taos_query(pConn, "create database tmqdb");
pRes = taos_query(pConn, "create database tmqdb precision 'ns'");
if (taos_errno(pRes) != 0) {
printf("error in create tmqdb, reason:%s\n", taos_errstr(pRes));
return -1;

2
source/dnode/vnode/src/inc/tq.h
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@ -155,7 +155,7 @@ int64_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, SWalCkHea
// tqExec
int32_t tqTaosxScanLog(STQ* pTq, STqHandle* pHandle, SSubmitReq* pReq, STaosxRsp* pRsp);
int32_t tqAddBlockDataToRsp(const SSDataBlock* pBlock, SMqDataRsp* pRsp, int32_t numOfCols);
int32_t tqAddBlockDataToRsp(const SSDataBlock* pBlock, SMqDataRsp* pRsp, int32_t numOfCols, int8_t precision);
int32_t tqSendDataRsp(STQ* pTq, const SRpcMsg* pMsg, const SMqPollReq* pReq, const SMqDataRsp* pRsp);
int32_t tqPushDataRsp(STQ* pTq, STqPushEntry* pPushEntry);

15
source/dnode/vnode/src/tq/tqExec.c
View File

@ -15,14 +15,14 @@
#include "tq.h"
int32_t tqAddBlockDataToRsp(const SSDataBlock* pBlock, SMqDataRsp* pRsp, int32_t numOfCols) {
int32_t tqAddBlockDataToRsp(const SSDataBlock* pBlock, SMqDataRsp* pRsp, int32_t numOfCols, int8_t precision) {
int32_t dataStrLen = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
void* buf = taosMemoryCalloc(1, dataStrLen);
if (buf == NULL) return -1;
SRetrieveTableRsp* pRetrieve = (SRetrieveTableRsp*)buf;
pRetrieve->useconds = 0;
pRetrieve->precision = TSDB_DEFAULT_PRECISION;
pRetrieve->precision = precision;
pRetrieve->compressed = 0;
pRetrieve->completed = 1;
pRetrieve->numOfRows = htonl(pBlock->info.rows);
@ -95,7 +95,7 @@ int32_t tqScanData(STQ* pTq, const STqHandle* pHandle, SMqDataRsp* pRsp, STqOffs
break;
}
tqAddBlockDataToRsp(pDataBlock, pRsp, pExec->numOfCols);
tqAddBlockDataToRsp(pDataBlock, pRsp, pExec->numOfCols, pTq->pVnode->config.tsdbCfg.precision);
pRsp->blockNum++;
if (pOffset->type == TMQ_OFFSET__SNAPSHOT_DATA) {
@ -174,7 +174,8 @@ int32_t tqScanTaosx(STQ* pTq, const STqHandle* pHandle, STaosxRsp* pRsp, SMqMeta
}
}
tqAddBlockDataToRsp(pDataBlock, (SMqDataRsp*)pRsp, taosArrayGetSize(pDataBlock->pDataBlock));
tqAddBlockDataToRsp(pDataBlock, (SMqDataRsp*)pRsp, taosArrayGetSize(pDataBlock->pDataBlock),
pTq->pVnode->config.tsdbCfg.precision);
pRsp->blockNum++;
if (pOffset->type == TMQ_OFFSET__LOG) {
continue;
@ -256,7 +257,8 @@ int32_t tqTaosxScanLog(STQ* pTq, STqHandle* pHandle, SSubmitReq* pReq, STaosxRsp
pRsp->createTableNum++;
}
}
tqAddBlockDataToRsp(&block, (SMqDataRsp*)pRsp, taosArrayGetSize(block.pDataBlock));
tqAddBlockDataToRsp(&block, (SMqDataRsp*)pRsp, taosArrayGetSize(block.pDataBlock),
pTq->pVnode->config.tsdbCfg.precision);
blockDataFreeRes(&block);
tqAddBlockSchemaToRsp(pExec, (SMqDataRsp*)pRsp);
pRsp->blockNum++;
@ -291,7 +293,8 @@ int32_t tqTaosxScanLog(STQ* pTq, STqHandle* pHandle, SSubmitReq* pReq, STaosxRsp
pRsp->createTableNum++;
}
}
tqAddBlockDataToRsp(&block, (SMqDataRsp*)pRsp, taosArrayGetSize(block.pDataBlock));
tqAddBlockDataToRsp(&block, (SMqDataRsp*)pRsp, taosArrayGetSize(block.pDataBlock),
pTq->pVnode->config.tsdbCfg.precision);
blockDataFreeRes(&block);
tqAddBlockSchemaToRsp(pExec, (SMqDataRsp*)pRsp);
pRsp->blockNum++;

2
source/dnode/vnode/src/tq/tqPush.c
View File

@ -270,7 +270,7 @@ int tqPushMsg(STQ* pTq, void* msg, int32_t msgLen, tmsg_t msgType, int64_t ver)
break;
}
tqAddBlockDataToRsp(pDataBlock, pRsp, pExec->numOfCols);
tqAddBlockDataToRsp(pDataBlock, pRsp, pExec->numOfCols, pTq->pVnode->config.tsdbCfg.precision);
pRsp->blockNum++;
}