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feat:add main logic for writing raw data of tmq

This commit is contained in:
wangmm0220 2022-07-22 20:08:33 +08:00
parent 6ca882510b
commit e2414b4289
6 changed files with 241 additions and 7 deletions
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4
examples/c/tmq.c
View File

@ -302,8 +302,8 @@ int32_t create_topic() {
}
taos_free_result(pRes);
/*pRes = taos_query(pConn, "create topic topic_ctb_column with meta as database abc1");*/
pRes = taos_query(pConn, "create topic topic_ctb_column as select ts, c1, c2, c3 from st1");
pRes = taos_query(pConn, "create topic topic_ctb_column with meta as database abc1");
// pRes = taos_query(pConn, "create topic topic_ctb_column as select ts, c1, c2, c3 from st1");
if (taos_errno(pRes) != 0) {
printf("failed to create topic topic_ctb_column, reason:%s\n", taos_errstr(pRes));
return -1;

1
include/client/taos.h
View File

@ -270,6 +270,7 @@ typedef enum tmq_res_t tmq_res_t;
DLL_EXPORT tmq_res_t tmq_get_res_type(TAOS_RES *res);
DLL_EXPORT int32_t tmq_get_raw_meta(TAOS_RES *res, tmq_raw_data *raw_meta);
DLL_EXPORT int32_t taos_write_raw_meta(TAOS *taos, tmq_raw_data raw_meta);
DLL_EXPORT int32_t taos_write_raw_data(TAOS *taos, TAOS_RES *res);
DLL_EXPORT char *tmq_get_json_meta(TAOS_RES *res); // Returning null means error. Returned result need to be freed by tmq_free_json_meta
DLL_EXPORT void tmq_free_json_meta(char* jsonMeta);
DLL_EXPORT const char *tmq_get_topic_name(TAOS_RES *res);

1
source/client/src/clientEnv.c
View File

@ -244,6 +244,7 @@ void *createRequest(uint64_t connId, int32_t type) {
STscObj *pTscObj = acquireTscObj(connId);
if (pTscObj == NULL) {
taosMemoryFree(pRequest);
terrno = TSDB_CODE_TSC_DISCONNECTED;
return NULL;
}

2
source/client/src/clientImpl.c
View File

@ -834,7 +834,7 @@ void schedulerExecCb(SExecResult* pResult, void* param, int32_t code) {
tstrerror(code), pRequest->requestId);
STscObj* pTscObj = pRequest->pTscObj;
if (code != TSDB_CODE_SUCCESS && NEED_CLIENT_HANDLE_ERROR(code)) {
if (code != TSDB_CODE_SUCCESS && NEED_CLIENT_HANDLE_ERROR(code) && pRequest->sqlstr != NULL) {
tscDebug("0x%" PRIx64 " client retry to handle the error, code:%d - %s, tryCount:%d, reqId:0x%" PRIx64,
pRequest->self, code, tstrerror(code), pRequest->retry, pRequest->requestId);
pRequest->prevCode = code;

2
source/client/src/clientSml.c
View File

@ -1489,7 +1489,7 @@ static SSmlHandle* smlBuildSmlInfo(STscObj* pTscObj, SRequestObj* request, SMLPr
}
info->id = smlGenId();
info->pQuery = (SQuery *)taosMemoryCalloc(1, sizeof(SQuery));
info->pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
if (NULL == info->pQuery) {
uError("SML:0x%" PRIx64 " create info->pQuery error", info->id);
goto cleanup;

238
source/client/src/tmq.c
View File

@ -2952,9 +2952,241 @@ int32_t taos_write_raw_meta(TAOS *taos, tmq_raw_data raw_meta){
return TSDB_CODE_INVALID_PARA;
}
void tmq_free_raw_meta(tmq_raw_data* rawMeta) {
//
taosMemoryFreeClear(rawMeta);
typedef struct{
SVgroupInfo vg;
void *data;
}VgData;
static void destroyVgHash(void* data) {
VgData* vgData = (VgData*)data;
taosMemoryFreeClear(vgData->data);
}
int32_t taos_write_raw_data(TAOS *taos, TAOS_RES *msg){
if (!TD_RES_TMQ(msg)) {
uError("WriteRaw:msg is not tmq : %d", *(int8_t*)msg);
return TSDB_CODE_TMQ_INVALID_MSG;
}
int32_t code = TSDB_CODE_SUCCESS;
SHashObj *pVgHash = NULL;
SQuery *pQuery = NULL;
terrno = TSDB_CODE_SUCCESS;
SRequestObj* pRequest = (SRequestObj*)createRequest(*(int64_t*)taos, TSDB_SQL_INSERT);
if(!pRequest){
uError("WriteRaw:createRequest error request is null");
return terrno;
}
if (!pRequest->pDb) {
uError("WriteRaw:not use db");
code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
goto end;
}
pVgHash = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_NO_LOCK);
taosHashSetFreeFp(pVgHash, destroyVgHash);
struct SCatalog *pCatalog = NULL;
code = catalogGetHandle(pRequest->pTscObj->pAppInfo->clusterId, &pCatalog);
if(code != TSDB_CODE_SUCCESS){
uError("WriteRaw: get gatlog error");
goto end;
}
SRequestConnInfo conn = {0};
conn.pTrans = pRequest->pTscObj->pAppInfo->pTransporter;
conn.requestId = pRequest->requestId;
conn.requestObjRefId = pRequest->self;
conn.mgmtEps = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp);
SMqRspObj *rspObj = ((SMqRspObj*)msg);
while (++rspObj->resIter < rspObj->rsp.blockNum) {
SRetrieveTableRsp* pRetrieve = (SRetrieveTableRsp*)taosArrayGetP(rspObj->rsp.blockData, rspObj->resIter);
if (!rspObj->rsp.withSchema) {
uError("WriteRaw:no schema, iter:%d", rspObj->resIter);
goto end;
}
SSchemaWrapper* pSW = (SSchemaWrapper*)taosArrayGetP(rspObj->rsp.blockSchema, rspObj->resIter);
setResSchemaInfo(&rspObj->resInfo, pSW->pSchema, pSW->nCols);
code = setQueryResultFromRsp(&rspObj->resInfo, pRetrieve, false, false);
if(code != TSDB_CODE_SUCCESS){
uError("WriteRaw: setQueryResultFromRsp error");
goto end;
}
uint16_t fLen = 0;
int32_t rowSize = 0;
int16_t nVar = 0;
for (int i = 0; i < pSW->nCols; i++) {
SSchema *schema = pSW->pSchema + i;
fLen += TYPE_BYTES[schema->type];
rowSize += schema->bytes;
if(IS_VAR_DATA_TYPE(schema->type)){
nVar ++;
}
}
int32_t rows = rspObj->resInfo.numOfRows;
int32_t extendedRowSize = rowSize + TD_ROW_HEAD_LEN - sizeof(TSKEY) + nVar * sizeof(VarDataOffsetT) +
(int32_t)TD_BITMAP_BYTES(pSW->nCols - 1);
int32_t schemaLen = 0;
int32_t submitLen = sizeof(SSubmitBlk) + schemaLen + rows * extendedRowSize;
const char* tbName = tmq_get_table_name(msg);
if(!tbName){
uError("WriteRaw: tbname is null");
code = TSDB_CODE_TMQ_INVALID_MSG;
goto end;
}
SName pName = {TSDB_TABLE_NAME_T, pRequest->pTscObj->acctId, {0}, {0}};
strcpy(pName.dbname, pRequest->pDb);
strcpy(pName.tname, tbName);
VgData vgData = {0};
code = catalogGetTableHashVgroup(pCatalog, &conn, &pName, &(vgData.vg));
if (code != TSDB_CODE_SUCCESS) {
uError("WriteRaw:catalogGetTableHashVgroup failed. table name: %s", tbName);
goto end;
}
SSubmitReq* subReq = NULL;
SSubmitBlk* blk = NULL;
void *hData = taosHashGet(pVgHash, &vgData.vg.vgId, sizeof(vgData.vg.vgId));
if(hData){
vgData = *(VgData*)hData;
int32_t totalLen = ((SSubmitReq*)(vgData.data))->length + submitLen;
void *tmp = taosMemoryRealloc(vgData.data, totalLen);
if (tmp == NULL) {
code = TSDB_CODE_TSC_OUT_OF_MEMORY;
goto end;
}
vgData.data = tmp;
((VgData*)hData)->data = tmp;
subReq = (SSubmitReq*)(vgData.data);
blk = POINTER_SHIFT(vgData.data, subReq->length);
}else{
int32_t totalLen = sizeof(SSubmitReq) + submitLen;
void *tmp = taosMemoryCalloc(1, totalLen);
if (tmp == NULL) {
code = TSDB_CODE_TSC_OUT_OF_MEMORY;
goto end;
}
vgData.data = tmp;
taosHashPut(pVgHash, (const char *)&vgData.vg.vgId, sizeof(vgData.vg.vgId), (char *)&vgData, sizeof(vgData));
subReq = (SSubmitReq*)(vgData.data);
subReq->length = sizeof(SSubmitReq);
subReq->numOfBlocks = 0;
blk = POINTER_SHIFT(vgData.data, sizeof(SSubmitReq));
}
STableMeta** pTableMeta = NULL;
code = catalogGetTableMeta(pCatalog, &conn, &pName, pTableMeta);
if (code != TSDB_CODE_SUCCESS) {
uError("WriteRaw:catalogGetTableMeta failed. table name: %s", tbName);
goto end;
}
uint64_t suid = (TSDB_NORMAL_TABLE == (*pTableMeta)->tableType ? 0 : (*pTableMeta)->suid);
uint64_t uid = (*pTableMeta)->uid;
taosMemoryFreeClear(*pTableMeta);
void* blkSchema = POINTER_SHIFT(blk, sizeof(SSubmitBlk));
STSRow* rowData = POINTER_SHIFT(blkSchema, schemaLen);
SRowBuilder rb = {0};
tdSRowInit(&rb, pSW->version);
tdSRowSetTpInfo(&rb, pSW->nCols, fLen);
int32_t dataLen = 0;
for (int32_t j = 0; j < rows; j++) {
tdSRowResetBuf(&rb, rowData);
doSetOneRowPtr(&rspObj->resInfo);
rspObj->resInfo.current += 1;
int32_t offset = 0;
for (int32_t k = 0; k < pSW->nCols; k++) {
const SSchema* pColumn = &pSW->pSchema[k];
void *data = rspObj->resInfo.row[k];
if (!data) {
tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NULL, NULL, false, offset, k);
} else {
if(IS_VAR_DATA_TYPE(pColumn->type)){
data -= VARSTR_HEADER_SIZE;
}
tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, data, true, offset, k);
}
offset += TYPE_BYTES[pColumn->type];
}
int32_t rowLen = TD_ROW_LEN(rowData);
rowData = POINTER_SHIFT(rowData, rowLen);
dataLen += rowLen;
}
blk->uid = htobe64(uid);
blk->suid = htobe64(suid);
blk->padding = htonl(blk->padding);
blk->sversion = htonl(pSW->version);
blk->schemaLen = htonl(schemaLen);
blk->numOfRows = htons(rows);
blk->dataLen = htonl(dataLen);
subReq->length += sizeof(SSubmitBlk) + schemaLen + dataLen;
subReq->numOfBlocks++;
}
pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
if (NULL == pQuery) {
uError("create SQuery error");
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
pQuery->haveResultSet = false;
pQuery->msgType = TDMT_VND_SUBMIT;
pQuery->pRoot = (SNode *)nodesMakeNode(QUERY_NODE_VNODE_MODIF_STMT);
if (NULL == pQuery->pRoot) {
uError("create pQuery->pRoot error");
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
SVnodeModifOpStmt *nodeStmt = (SVnodeModifOpStmt *)(pQuery->pRoot);
nodeStmt->payloadType = PAYLOAD_TYPE_KV;
int32_t numOfVg = taosHashGetSize(pVgHash);
nodeStmt->pDataBlocks = taosArrayInit(numOfVg, POINTER_BYTES);
VgData **vData = (VgData **)taosHashIterate(pVgHash, NULL);
while (vData) {
SVgDataBlocks *dst = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
if (NULL == dst) {
code = TSDB_CODE_TSC_OUT_OF_MEMORY;
goto end;
}
dst->vg = (*vData)->vg;
SSubmitReq* subReq = (SSubmitReq*)((*vData)->data);
dst->numOfTables = subReq->numOfBlocks;
dst->size = subReq->length;
dst->pData = (char*)subReq;
(*vData)->data = NULL; // no need free
subReq->header.vgId = htonl(dst->vg.vgId);
subReq->version = htonl(1);
subReq->header.contLen = htonl(subReq->length);
subReq->length = htonl(subReq->length);
subReq->numOfBlocks = htonl(subReq->numOfBlocks);
taosArrayPush(nodeStmt->pDataBlocks, &dst);
vData = (VgData **)taosHashIterate(pVgHash, vData);
}
launchQueryImpl(pRequest, pQuery, true, NULL);
code = pRequest->code;
end:
qDestroyQuery(pQuery);
destroyRequest(pRequest);
taosHashCleanup(pVgHash);
return code;
}
void tmq_commit_async(tmq_t* tmq, const TAOS_RES* msg, tmq_commit_cb* cb, void* param) {