homework-jianmu/src/client/src/tscServer.c

2603 lines
86 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 "os.h"
#include "tcache.h"
#include "trpc.h"
#include "tscProfile.h"
#include "tscSecondaryMerge.h"
#include "tscSubquery.h"
#include "tscUtil.h"
#include "tschemautil.h"
#include "tsclient.h"
#include "tsocket.h"
#include "ttime.h"
#include "ttimer.h"
#include "tutil.h"
#include "tscLog.h"
#include "qsqltype.h"
#define TSC_MGMT_VNODE 999
SRpcIpSet tscMgmtIpSet;
SRpcIpSet tscDnodeIpSet;
int (*tscBuildMsg[TSDB_SQL_MAX])(SSqlObj *pSql, SSqlInfo *pInfo) = {0};
int (*tscProcessMsgRsp[TSDB_SQL_MAX])(SSqlObj *pSql);
void tscProcessActivityTimer(void *handle, void *tmrId);
int tscKeepConn[TSDB_SQL_MAX] = {0};
TSKEY tscGetSubscriptionProgress(void* sub, int64_t uid, TSKEY dflt);
void tscUpdateSubscriptionProgress(void* sub, int64_t uid, TSKEY ts);
void tscSaveSubscriptionProgress(void* sub);
static int32_t minMsgSize() { return tsRpcHeadSize + 100; }
static void tscSetDnodeIpList(SSqlObj* pSql, SCMVgroupInfo* pVgroupInfo) {
SRpcIpSet* pIpList = &pSql->ipList;
pIpList->numOfIps = pVgroupInfo->numOfIps;
pIpList->inUse = 0;
for(int32_t i = 0; i < pVgroupInfo->numOfIps; ++i) {
strcpy(pIpList->fqdn[i], pVgroupInfo->ipAddr[i].fqdn);
pIpList->port[i] = pVgroupInfo->ipAddr[i].port;
}
}
void tscPrintMgmtIp() {
if (tscMgmtIpSet.numOfIps <= 0) {
tscError("invalid mnode IP list:%d", tscMgmtIpSet.numOfIps);
} else {
for (int i = 0; i < tscMgmtIpSet.numOfIps; ++i) {
tscTrace("mnode index:%d %s:%d", i, tscMgmtIpSet.fqdn[i], tscMgmtIpSet.port[i]);
}
}
}
void tscSetMgmtIpList(SRpcIpSet *pIpList) {
tscMgmtIpSet.numOfIps = pIpList->numOfIps;
tscMgmtIpSet.inUse = pIpList->inUse;
for (int32_t i = 0; i < tscMgmtIpSet.numOfIps; ++i) {
tscMgmtIpSet.port[i] = htons(pIpList->port[i]);
}
}
void tscUpdateIpSet(void *ahandle, SRpcIpSet *pIpSet) {
tscMgmtIpSet = *pIpSet;
tscTrace("mnode IP list is changed for ufp is called, numOfIps:%d inUse:%d", tscMgmtIpSet.numOfIps, tscMgmtIpSet.inUse);
for (int32_t i = 0; i < tscMgmtIpSet.numOfIps; ++i) {
tscTrace("index:%d fqdn:%s port:%d", i, tscMgmtIpSet.fqdn[i], tscMgmtIpSet.port[i]);
}
}
/*
* For each management node, try twice at least in case of poor network situation.
* If the client start to connect to a non-management node from the client, and the first retry may fail due to
* the poor network quality. And then, the second retry get the response with redirection command.
* The retry will not be executed since only *two* retry is allowed in case of single management node in the cluster.
* Therefore, we need to multiply the retry times by factor of 2 to fix this problem.
*/
UNUSED_FUNC
static int32_t tscGetMgmtConnMaxRetryTimes() {
int32_t factor = 2;
return tscMgmtIpSet.numOfIps * factor;
}
void tscProcessHeartBeatRsp(void *param, TAOS_RES *tres, int code) {
STscObj *pObj = (STscObj *)param;
if (pObj == NULL) return;
if (pObj != pObj->signature) {
tscError("heart beat msg, pObj:%p, signature:%p invalid", pObj, pObj->signature);
return;
}
SSqlObj *pSql = pObj->pHb;
SSqlRes *pRes = &pSql->res;
if (code == 0) {
SCMHeartBeatRsp *pRsp = (SCMHeartBeatRsp *)pRes->pRsp;
SRpcIpSet * pIpList = &pRsp->ipList;
if (pIpList->numOfIps > 0)
tscSetMgmtIpList(pIpList);
if (pRsp->killConnection) {
tscKillConnection(pObj);
} else {
if (pRsp->queryId) tscKillQuery(pObj, htonl(pRsp->queryId));
if (pRsp->streamId) tscKillStream(pObj, htonl(pRsp->streamId));
}
} else {
tscTrace("heart beat failed, code:%s", tstrerror(code));
}
taosTmrReset(tscProcessActivityTimer, tsShellActivityTimer * 500, pObj, tscTmr, &pObj->pTimer);
}
void tscProcessActivityTimer(void *handle, void *tmrId) {
STscObj *pObj = (STscObj *)handle;
if (pObj == NULL) return;
if (pObj->signature != pObj) return;
if (pObj->pTimer != tmrId) return;
if (pObj->pHb == NULL) {
SSqlObj *pSql = (SSqlObj *)calloc(1, sizeof(SSqlObj));
if (NULL == pSql) return;
pSql->fp = tscProcessHeartBeatRsp;
SQueryInfo *pQueryInfo = NULL;
tscGetQueryInfoDetailSafely(&pSql->cmd, 0, &pQueryInfo);
pQueryInfo->command = TSDB_SQL_HB;
pSql->cmd.command = TSDB_SQL_HB;
if (TSDB_CODE_SUCCESS != tscAllocPayload(&(pSql->cmd), TSDB_DEFAULT_PAYLOAD_SIZE)) {
tfree(pSql);
return;
}
pSql->cmd.command = TSDB_SQL_HB;
pSql->param = pObj;
pSql->pTscObj = pObj;
pSql->signature = pSql;
pObj->pHb = pSql;
tscAddSubqueryInfo(&pObj->pHb->cmd);
tscTrace("%p pHb is allocated, pObj:%p", pObj->pHb, pObj);
}
if (tscShouldFreeHeatBeat(pObj->pHb)) {
tscTrace("%p free HB object and release connection", pObj);
tscFreeSqlObj(pObj->pHb);
tscCloseTscObj(pObj);
return;
}
tscProcessSql(pObj->pHb);
}
int tscSendMsgToServer(SSqlObj *pSql) {
STscObj* pObj = pSql->pTscObj;
SSqlCmd* pCmd = &pSql->cmd;
char *pMsg = rpcMallocCont(pCmd->payloadLen);
if (NULL == pMsg) {
tscError("%p msg:%s malloc fail", pSql, taosMsg[pSql->cmd.msgType]);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
if (pSql->cmd.command < TSDB_SQL_MGMT) {
memcpy(pMsg, pSql->cmd.payload + tsRpcHeadSize, pSql->cmd.payloadLen);
} else {
pSql->ipList = tscMgmtIpSet;
memcpy(pMsg, pSql->cmd.payload, pSql->cmd.payloadLen);
}
// tscTrace("%p msg:%s is sent to server", pSql, taosMsg[pSql->cmd.msgType]);
SRpcMsg rpcMsg = {
.msgType = pSql->cmd.msgType,
.pCont = pMsg,
.contLen = pSql->cmd.payloadLen,
.handle = pSql,
.code = 0
};
rpcSendRequest(pObj->pDnodeConn, &pSql->ipList, &rpcMsg);
return TSDB_CODE_SUCCESS;
}
void tscProcessMsgFromServer(SRpcMsg *rpcMsg, SRpcIpSet *pIpSet) {
SSqlObj *pSql = (SSqlObj *)rpcMsg->handle;
if (pSql == NULL) {
tscError("%p sql is already released", pSql->signature);
return;
}
if (pSql->signature != pSql) {
tscError("%p sql is already released, signature:%p", pSql, pSql->signature);
return;
}
SSqlRes *pRes = &pSql->res;
SSqlCmd *pCmd = &pSql->cmd;
STscObj *pObj = pSql->pTscObj;
// tscTrace("%p msg:%s is received from server", pSql, taosMsg[rpcMsg->msgType]);
if (pObj->signature != pObj) {
tscTrace("%p sql is already released or DB connection is closed, freed:%d pObj:%p signature:%p", pSql, pSql->freed,
pObj, pObj->signature);
tscFreeSqlObj(pSql);
rpcFreeCont(rpcMsg->pCont);
return;
}
if (pCmd->command < TSDB_SQL_MGMT) {
if (pIpSet) pSql->ipList = *pIpSet;
} else {
if (pIpSet) tscMgmtIpSet = *pIpSet;
}
if (rpcMsg->pCont == NULL) {
rpcMsg->code = TSDB_CODE_NETWORK_UNAVAIL;
} else {
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
if (rpcMsg->code == TSDB_CODE_INVALID_TABLE_ID || rpcMsg->code == TSDB_CODE_INVALID_VGROUP_ID ||
rpcMsg->code == TSDB_CODE_NETWORK_UNAVAIL) {
/*
* not_active_table: 1. the virtual node may fail to create table, since the procedure of create table is asynchronized,
* the virtual node may have not create table till now, so try again by using the new metermeta.
* 2. this requested table may have been removed by other client, so we need to renew the
* metermeta here.
*
* not_active_vnode: current vnode is move to other node due to node balance procedure or virtual node have been
* removed. So, renew metermeta and try again.
* not_active_session: db has been move to other node, the vnode does not exist on this dnode anymore.
*/
if (pCmd->command == TSDB_SQL_CONNECT) {
rpcMsg->code = TSDB_CODE_NETWORK_UNAVAIL;
rpcFreeCont(rpcMsg->pCont);
return;
} else if (pCmd->command == TSDB_SQL_HB) {
rpcMsg->code = TSDB_CODE_NOT_READY;
rpcFreeCont(rpcMsg->pCont);
return;
} else if (pCmd->command == TSDB_SQL_META) {
// rpcFreeCont(rpcMsg->pCont);
// return;
} else {
tscWarn("%p it shall renew table meta, code:%s, retry:%d", pSql, tstrerror(rpcMsg->code), ++pSql->retry);
pSql->res.code = rpcMsg->code; // keep the previous error code
if (pSql->retry > pSql->maxRetry) {
tscError("%p max retry %d reached, give up", pSql, pSql->maxRetry);
} else {
rpcMsg->code = tscRenewMeterMeta(pSql, pTableMetaInfo->name);
if (pTableMetaInfo->pTableMeta) {
tscSendMsgToServer(pSql);
}
rpcFreeCont(rpcMsg->pCont);
return;
}
}
}
}
pRes->rspLen = 0;
if (pRes->code != TSDB_CODE_QUERY_CANCELLED) {
pRes->code = (rpcMsg->code != TSDB_CODE_SUCCESS) ? rpcMsg->code : TSDB_CODE_NETWORK_UNAVAIL;
} else {
tscTrace("%p query is cancelled, code:%d", pSql, tstrerror(pRes->code));
}
if (pRes->code == TSDB_CODE_SUCCESS) {
tscTrace("%p reset retry counter to be 0 due to success rsp, old:%d", pSql, pSql->retry);
pSql->retry = 0;
}
if (pRes->code != TSDB_CODE_QUERY_CANCELLED) {
assert(rpcMsg->msgType == pCmd->msgType + 1);
pRes->code = rpcMsg->code;
pRes->rspType = rpcMsg->msgType;
pRes->rspLen = rpcMsg->contLen;
if (pRes->rspLen > 0 && rpcMsg->pCont) {
char *tmp = (char *)realloc(pRes->pRsp, pRes->rspLen);
if (tmp == NULL) {
pRes->code = TSDB_CODE_CLI_OUT_OF_MEMORY;
} else {
pRes->pRsp = tmp;
memcpy(pRes->pRsp, rpcMsg->pCont, pRes->rspLen);
}
} else {
pRes->pRsp = NULL;
}
/*
* There is not response callback function for submit response.
* The actual inserted number of points is the first number.
*/
if (rpcMsg->msgType == TSDB_MSG_TYPE_SUBMIT_RSP && pRes->pRsp != NULL) {
SShellSubmitRspMsg *pMsg = (SShellSubmitRspMsg*)pRes->pRsp;
pMsg->code = htonl(pMsg->code);
pMsg->numOfRows = htonl(pMsg->numOfRows);
pMsg->affectedRows = htonl(pMsg->affectedRows);
pMsg->failedRows = htonl(pMsg->failedRows);
pMsg->numOfFailedBlocks = htonl(pMsg->numOfFailedBlocks);
pRes->numOfRows += pMsg->affectedRows;
tscTrace("%p SQL cmd:%s, code:%s inserted rows:%d rspLen:%d", pSql, sqlCmd[pCmd->command],
tstrerror(pRes->code), pMsg->affectedRows, pRes->rspLen);
} else {
tscTrace("%p SQL cmd:%s, code:%s rspLen:%d", pSql, sqlCmd[pCmd->command], tstrerror(pRes->code), pRes->rspLen);
}
}
if (pRes->code == TSDB_CODE_SUCCESS && tscProcessMsgRsp[pCmd->command])
rpcMsg->code = (*tscProcessMsgRsp[pCmd->command])(pSql);
if (rpcMsg->code != TSDB_CODE_ACTION_IN_PROGRESS) {
rpcMsg->code = pRes->code ? pRes->code : pRes->numOfRows;
tscTrace("%p SQL result:%s res:%p", pSql, tstrerror(pRes->code), pSql);
bool shouldFree = tscShouldBeFreed(pSql);
(*pSql->fp)(pSql->param, pSql, rpcMsg->code);
if (shouldFree) {
tscTrace("%p sqlObj is automatically freed", pSql);
tscFreeSqlObj(pSql);
}
}
rpcFreeCont(rpcMsg->pCont);
}
int doProcessSql(SSqlObj *pSql) {
SSqlCmd *pCmd = &pSql->cmd;
SSqlRes *pRes = &pSql->res;
int32_t code = TSDB_CODE_SUCCESS;
if (pCmd->command == TSDB_SQL_SELECT ||
pCmd->command == TSDB_SQL_FETCH ||
pCmd->command == TSDB_SQL_RETRIEVE ||
pCmd->command == TSDB_SQL_INSERT ||
pCmd->command == TSDB_SQL_CONNECT ||
pCmd->command == TSDB_SQL_HB ||
pCmd->command == TSDB_SQL_META ||
pCmd->command == TSDB_SQL_STABLEVGROUP) {
pRes->code = tscBuildMsg[pCmd->command](pSql, NULL);
}
if (pRes->code != TSDB_CODE_SUCCESS) {
tscQueueAsyncRes(pSql);
return pRes->code;
}
code = tscSendMsgToServer(pSql);
if (code != TSDB_CODE_SUCCESS) {
pRes->code = code;
tscQueueAsyncRes(pSql);
}
return TSDB_CODE_SUCCESS;
}
int tscProcessSql(SSqlObj *pSql) {
char * name = NULL;
SSqlCmd *pCmd = &pSql->cmd;
SQueryInfo * pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
STableMetaInfo *pTableMetaInfo = NULL;
uint16_t type = 0;
if (pQueryInfo != NULL) {
pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
if (pTableMetaInfo != NULL) {
name = pTableMetaInfo->name;
}
type = pQueryInfo->type;
// while numOfTables equals to 0, it must be Heartbeat
assert((pQueryInfo->numOfTables == 0 && pQueryInfo->command == TSDB_SQL_HB) || pQueryInfo->numOfTables > 0);
}
tscTrace("%p SQL cmd:%s will be processed, name:%s, type:%d", pSql, sqlCmd[pCmd->command], name, type);
if (pCmd->command < TSDB_SQL_MGMT) { // the pTableMetaInfo cannot be NULL
if (pTableMetaInfo == NULL) {
pSql->res.code = TSDB_CODE_OTHERS;
return pSql->res.code;
}
} else if (pCmd->command < TSDB_SQL_LOCAL) {
pSql->ipList = tscMgmtIpSet; //?
} else { // local handler
return (*tscProcessMsgRsp[pCmd->command])(pSql);
}
return doProcessSql(pSql);
}
void tscKillSTableQuery(SSqlObj *pSql) {
SSqlCmd* pCmd = &pSql->cmd;
SQueryInfo* pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
if (!tscIsTwoStageSTableQuery(pQueryInfo, 0)) {
return;
}
for (int i = 0; i < pSql->numOfSubs; ++i) {
SSqlObj *pSub = pSql->pSubs[i];
if (pSub == NULL) {
continue;
}
/*
* here, we cannot set the command = TSDB_SQL_KILL_QUERY. Otherwise, it may cause
* sub-queries not correctly released and master sql object of metric query reaches an abnormal state.
*/
pSql->pSubs[i]->res.code = TSDB_CODE_QUERY_CANCELLED;
//taosStopRpcConn(pSql->pSubs[i]->thandle);
}
/*
* 1. if the subqueries are not launched or partially launched, we need to waiting the launched
* query return to successfully free allocated resources.
* 2. if no any subqueries are launched yet, which means the metric query only in parse sql stage,
* set the res.code, and return.
*/
const int64_t MAX_WAITING_TIME = 10000; // 10 Sec.
int64_t stime = taosGetTimestampMs();
while (pCmd->command != TSDB_SQL_RETRIEVE_LOCALMERGE && pCmd->command != TSDB_SQL_RETRIEVE_EMPTY_RESULT) {
taosMsleep(100);
if (taosGetTimestampMs() - stime > MAX_WAITING_TIME) {
break;
}
}
tscTrace("%p super table query cancelled", pSql);
}
int tscBuildFetchMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
char *pMsg, *pStart;
pStart = pSql->cmd.payload + tsRpcHeadSize;
pMsg = pStart;
SRetrieveTableMsg *pRetrieveMsg = (SRetrieveTableMsg *)pMsg;
pRetrieveMsg->qhandle = htobe64(pSql->res.qhandle);
pMsg += sizeof(pSql->res.qhandle);
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, 0);
pRetrieveMsg->free = htons(pQueryInfo->type);
pMsg += sizeof(pQueryInfo->type);
// todo valid the vgroupId at the client side
STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
if (UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {
int32_t vgIndex = pTableMetaInfo->vgroupIndex;
SVgroupsInfo* pVgroupInfo = pTableMetaInfo->vgroupList;
pRetrieveMsg->header.vgId = htonl(pVgroupInfo->vgroups[vgIndex].vgId);
} else {
STableMeta* pTableMeta = pTableMetaInfo->pTableMeta;
pRetrieveMsg->header.vgId = htonl(pTableMeta->vgroupInfo.vgId);
}
pMsg += sizeof(SRetrieveTableMsg);
pRetrieveMsg->header.contLen = htonl(pSql->cmd.payloadLen);
pSql->cmd.msgType = TSDB_MSG_TYPE_FETCH;
return TSDB_CODE_SUCCESS;
}
int tscBuildSubmitMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, 0);
STableMeta* pTableMeta = tscGetMetaInfo(pQueryInfo, 0)->pTableMeta;
char* pMsg = pSql->cmd.payload + tsRpcHeadSize;
// NOTE: shell message size should not include SMsgDesc
int32_t size = pSql->cmd.payloadLen - sizeof(SMsgDesc);
SMsgDesc* pMsgDesc = (SMsgDesc*) pMsg;
pMsgDesc->numOfVnodes = htonl(1); //todo set the right number of vnodes
pMsg += sizeof(SMsgDesc);
SSubmitMsg *pShellMsg = (SSubmitMsg *)pMsg;
int32_t vgId = pTableMeta->vgroupInfo.vgId;
pShellMsg->header.vgId = htonl(vgId);
pShellMsg->header.contLen = htonl(size);
pShellMsg->length = pShellMsg->header.contLen;
pShellMsg->numOfBlocks = htonl(pSql->cmd.numOfTablesInSubmit); // number of meters to be inserted
// pSql->cmd.payloadLen is set during copying data into payload
pSql->cmd.msgType = TSDB_MSG_TYPE_SUBMIT;
tscSetDnodeIpList(pSql, &pTableMeta->vgroupInfo);
tscTrace("%p build submit msg, vgId:%d numOfVgroup:%d numberOfIP:%d", pSql, vgId, htonl(pMsgDesc->numOfVnodes), pSql->ipList.numOfIps);
return TSDB_CODE_SUCCESS;
}
/*
* for table query, simply return the size <= 1k
*/
static int32_t tscEstimateQueryMsgSize(SSqlCmd *pCmd, int32_t clauseIndex) {
const static int32_t MIN_QUERY_MSG_PKT_SIZE = TSDB_MAX_BYTES_PER_ROW * 5;
SQueryInfo * pQueryInfo = tscGetQueryInfoDetail(pCmd, clauseIndex);
int32_t srcColListSize = taosArrayGetSize(pQueryInfo->colList) * sizeof(SColumnInfo);
size_t numOfExprs = tscSqlExprNumOfExprs(pQueryInfo);
int32_t exprSize = sizeof(SSqlFuncMsg) * numOfExprs;
return MIN_QUERY_MSG_PKT_SIZE + minMsgSize() + sizeof(SQueryTableMsg) + srcColListSize + exprSize + 4096;
}
static char *doSerializeTableInfo(SQueryTableMsg* pQueryMsg, SSqlObj *pSql, char *pMsg) {
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, pSql->cmd.clauseIndex, 0);
TSKEY dfltKey = htobe64(pQueryMsg->window.skey);
STableMeta * pTableMeta = pTableMetaInfo->pTableMeta;
if (UTIL_TABLE_IS_NORMAL_TABLE(pTableMetaInfo) || pTableMetaInfo->pVgroupTables == NULL) {
SCMVgroupInfo* pVgroupInfo = NULL;
if (UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {
int32_t index = pTableMetaInfo->vgroupIndex;
assert(index >= 0);
pVgroupInfo = &pTableMetaInfo->vgroupList->vgroups[index];
tscTrace("%p query on stable, vgIndex:%d, numOfVgroups:%d", pSql, index, pTableMetaInfo->vgroupList->numOfVgroups);
} else {
pVgroupInfo = &pTableMeta->vgroupInfo;
}
tscSetDnodeIpList(pSql, pVgroupInfo);
pQueryMsg->head.vgId = htonl(pVgroupInfo->vgId);
STableIdInfo *pTableIdInfo = (STableIdInfo *)pMsg;
pTableIdInfo->tid = htonl(pTableMeta->sid);
pTableIdInfo->uid = htobe64(pTableMeta->uid);
pTableIdInfo->key = htobe64(tscGetSubscriptionProgress(pSql->pSubscription, pTableMeta->uid, dfltKey));
pQueryMsg->numOfTables = htonl(1); // set the number of tables
pMsg += sizeof(STableIdInfo);
} else {
int32_t index = pTableMetaInfo->vgroupIndex;
int32_t numOfVgroups = taosArrayGetSize(pTableMetaInfo->pVgroupTables);
assert(index >= 0 && index < numOfVgroups);
tscTrace("%p query on stable, vgIndex:%d, numOfVgroups:%d", pSql, index, numOfVgroups);
SVgroupTableInfo* pTableIdList = taosArrayGet(pTableMetaInfo->pVgroupTables, index);
// set the vgroup info
tscSetDnodeIpList(pSql, &pTableIdList->vgInfo);
pQueryMsg->head.vgId = htonl(pTableIdList->vgInfo.vgId);
int32_t numOfTables = taosArrayGetSize(pTableIdList->itemList);
pQueryMsg->numOfTables = htonl(numOfTables); // set the number of tables
// serialize each table id info
for(int32_t i = 0; i < numOfTables; ++i) {
STableIdInfo* pItem = taosArrayGet(pTableIdList->itemList, i);
STableIdInfo *pTableIdInfo = (STableIdInfo *)pMsg;
pTableIdInfo->tid = htonl(pItem->tid);
pTableIdInfo->uid = htobe64(pItem->uid);
pTableIdInfo->key = htobe64(tscGetSubscriptionProgress(pSql->pSubscription, pItem->uid, dfltKey));
pMsg += sizeof(STableIdInfo);
}
}
tscTrace("%p vgId:%d, query on table:%s, tid:%d, uid:%" PRIu64, pSql, htonl(pQueryMsg->head.vgId), pTableMetaInfo->name,
pTableMeta->sid, pTableMeta->uid);
return pMsg;
}
int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
int32_t size = tscEstimateQueryMsgSize(pCmd, pCmd->clauseIndex);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
tscError("%p failed to malloc for query msg", pSql);
return -1;
}
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
STableMeta * pTableMeta = pTableMetaInfo->pTableMeta;
if (taosArrayGetSize(pQueryInfo->colList) <= 0 && !tscQueryTags(pQueryInfo)) {
tscError("%p illegal value of numOfCols in query msg: %d", pSql, tscGetNumOfColumns(pTableMeta));
return -1;
}
if (pQueryInfo->intervalTime < 0) {
tscError("%p illegal value of aggregation time interval in query msg: %ld", pSql, pQueryInfo->intervalTime);
return -1;
}
if (pQueryInfo->groupbyExpr.numOfGroupCols < 0) {
tscError("%p illegal value of numOfGroupCols in query msg: %d", pSql, pQueryInfo->groupbyExpr.numOfGroupCols);
return -1;
}
char *pStart = pCmd->payload + tsRpcHeadSize;
SQueryTableMsg *pQueryMsg = (SQueryTableMsg *)pStart;
int32_t numOfTags = taosArrayGetSize(pTableMetaInfo->tagColList);
if (pQueryInfo->order.order == TSDB_ORDER_ASC) {
pQueryMsg->window.skey = htobe64(pQueryInfo->window.skey);
pQueryMsg->window.ekey = htobe64(pQueryInfo->window.ekey);
} else {
pQueryMsg->window.skey = htobe64(pQueryInfo->window.ekey);
pQueryMsg->window.ekey = htobe64(pQueryInfo->window.skey);
}
pQueryMsg->order = htons(pQueryInfo->order.order);
pQueryMsg->orderColId = htons(pQueryInfo->order.orderColId);
pQueryMsg->fillType = htons(pQueryInfo->fillType);
pQueryMsg->limit = htobe64(pQueryInfo->limit.limit);
pQueryMsg->offset = htobe64(pQueryInfo->limit.offset);
pQueryMsg->numOfCols = htons(taosArrayGetSize(pQueryInfo->colList));
pQueryMsg->intervalTime = htobe64(pQueryInfo->intervalTime);
pQueryMsg->slidingTime = htobe64(pQueryInfo->slidingTime);
pQueryMsg->slidingTimeUnit = pQueryInfo->slidingTimeUnit;
pQueryMsg->numOfGroupCols = htons(pQueryInfo->groupbyExpr.numOfGroupCols);
pQueryMsg->numOfTags = htonl(numOfTags);
pQueryMsg->tagNameRelType = htons(pQueryInfo->tagCond.relType);
pQueryMsg->queryType = htons(pQueryInfo->type);
size_t numOfOutput = tscSqlExprNumOfExprs(pQueryInfo);
pQueryMsg->numOfOutput = htons(numOfOutput);
if (numOfOutput < 0) {
tscError("%p illegal value of number of output columns in query msg: %d", pSql, numOfOutput);
return -1;
}
// set column list ids
size_t numOfCols = taosArrayGetSize(pQueryInfo->colList);
char *pMsg = (char *)(pQueryMsg->colList) + numOfCols * sizeof(SColumnInfo);
SSchema *pSchema = tscGetTableSchema(pTableMeta);
for (int32_t i = 0; i < numOfCols; ++i) {
SColumn *pCol = taosArrayGetP(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 sid:%d uid:%" PRIu64" id:%s, column index out of range, numOfColumns:%d, index:%d, column name:%s",
pSql, pTableMeta->sid, pTableMeta->uid, pTableMetaInfo->name, tscGetNumOfColumns(pTableMeta), pCol->colIndex,
pColSchema->name);
return TSDB_CODE_INVALID_SQL;
}
pQueryMsg->colList[i].colId = htons(pColSchema->colId);
pQueryMsg->colList[i].bytes = htons(pColSchema->bytes);
pQueryMsg->colList[i].type = htons(pColSchema->type);
pQueryMsg->colList[i].numOfFilters = htons(pCol->numOfFilters);
// append the filter information after the basic column information
for (int32_t f = 0; f < pCol->numOfFilters; ++f) {
SColumnFilterInfo *pColFilter = &pCol->filterInfo[f];
SColumnFilterInfo *pFilterMsg = (SColumnFilterInfo *)pMsg;
pFilterMsg->filterstr = htons(pColFilter->filterstr);
pMsg += sizeof(SColumnFilterInfo);
if (pColFilter->filterstr) {
pFilterMsg->len = htobe64(pColFilter->len);
memcpy(pMsg, (void *)pColFilter->pz, pColFilter->len + 1);
pMsg += (pColFilter->len + 1); // append the additional filter binary info
} else {
pFilterMsg->lowerBndi = htobe64(pColFilter->lowerBndi);
pFilterMsg->upperBndi = htobe64(pColFilter->upperBndi);
}
pFilterMsg->lowerRelOptr = htons(pColFilter->lowerRelOptr);
pFilterMsg->upperRelOptr = htons(pColFilter->upperRelOptr);
if (pColFilter->lowerRelOptr == TSDB_RELATION_INVALID && pColFilter->upperRelOptr == TSDB_RELATION_INVALID) {
tscError("invalid filter info");
return -1;
}
}
}
SSqlFuncMsg *pSqlFuncExpr = (SSqlFuncMsg *)pMsg;
for (int32_t i = 0; i < tscSqlExprNumOfExprs(pQueryInfo); ++i) {
SSqlExpr *pExpr = tscSqlExprGet(pQueryInfo, i);
if (!tscValidateColumnId(pTableMetaInfo, pExpr->colInfo.colId)) {
/* column id is not valid according to the cached table meta, the table meta is expired */
tscError("%p table schema is not matched with parsed sql", pSql);
return -1;
}
pSqlFuncExpr->colInfo.colId = htons(pExpr->colInfo.colId);
pSqlFuncExpr->colInfo.colIndex = htons(pExpr->colInfo.colIndex);
pSqlFuncExpr->colInfo.flag = htons(pExpr->colInfo.flag);
pSqlFuncExpr->functionId = htons(pExpr->functionId);
pSqlFuncExpr->numOfParams = htons(pExpr->numOfParams);
pMsg += sizeof(SSqlFuncMsg);
for (int32_t j = 0; j < pExpr->numOfParams; ++j) {
pSqlFuncExpr->arg[j].argType = htons((uint16_t)pExpr->param[j].nType);
pSqlFuncExpr->arg[j].argBytes = htons(pExpr->param[j].nLen);
if (pExpr->param[j].nType == TSDB_DATA_TYPE_BINARY) {
memcpy(pMsg, pExpr->param[j].pz, pExpr->param[j].nLen);
pMsg += pExpr->param[j].nLen;
} else {
pSqlFuncExpr->arg[j].argValue.i64 = htobe64(pExpr->param[j].i64Key);
}
}
pSqlFuncExpr = (SSqlFuncMsg *)pMsg;
}
// serialize the table info (sid, uid, tags)
pMsg = doSerializeTableInfo(pQueryMsg, pSql, pMsg);
SSqlGroupbyExpr *pGroupbyExpr = &pQueryInfo->groupbyExpr;
if (pGroupbyExpr->numOfGroupCols > 0) {
pQueryMsg->orderByIdx = htons(pGroupbyExpr->orderIndex);
pQueryMsg->orderType = htons(pGroupbyExpr->orderType);
for (int32_t j = 0; j < pGroupbyExpr->numOfGroupCols; ++j) {
SColIndex* pCol = taosArrayGet(pGroupbyExpr->columnInfo, j);
*((int16_t *)pMsg) = pCol->colId;
pMsg += sizeof(pCol->colId);
*((int16_t *)pMsg) += pCol->colIndex;
pMsg += sizeof(pCol->colIndex);
*((int16_t *)pMsg) += pCol->flag;
pMsg += sizeof(pCol->flag);
memcpy(pMsg, pCol->name, tListLen(pCol->name));
pMsg += tListLen(pCol->name);
}
}
if (pQueryInfo->fillType != TSDB_FILL_NONE) {
for (int32_t i = 0; i < pQueryInfo->fieldsInfo.numOfOutput; ++i) {
*((int64_t *)pMsg) = htobe64(pQueryInfo->fillVal[i]);
pMsg += sizeof(pQueryInfo->fillVal[0]);
}
}
if (numOfTags != 0) {
int32_t numOfColumns = tscGetNumOfColumns(pTableMeta);
int32_t numOfTagColumns = tscGetNumOfTags(pTableMeta);
int32_t total = numOfTagColumns + numOfColumns;
pSchema = tscGetTableTagSchema(pTableMeta);
for (int32_t i = 0; i < numOfTags; ++i) {
SColumn *pCol = taosArrayGetP(pTableMetaInfo->tagColList, i);
SSchema *pColSchema = &pSchema[pCol->colIndex.columnIndex];
if ((pCol->colIndex.columnIndex >= numOfTagColumns || pCol->colIndex.columnIndex < -1) ||
(pColSchema->type < TSDB_DATA_TYPE_BOOL || pColSchema->type > TSDB_DATA_TYPE_NCHAR)) {
tscError("%p sid:%d uid:%" PRIu64 " id:%s, tag index out of range, totalCols:%d, numOfTags:%d, index:%d, column name:%s",
pSql, pTableMeta->sid, pTableMeta->uid, pTableMetaInfo->name, total, numOfTagColumns,
pCol->colIndex, pColSchema->name);
return TSDB_CODE_INVALID_SQL;
}
SColumnInfo* pTagCol = (SColumnInfo*) pMsg;
pTagCol->colId = htons(pColSchema->colId);
pTagCol->bytes = htons(pColSchema->bytes);
pTagCol->type = htons(pColSchema->type);
pTagCol->numOfFilters = 0;
pMsg += sizeof(SColumnInfo);
}
}
// compressed ts block
pQueryMsg->tsOffset = htonl(pMsg - pStart);
int32_t tsLen = 0;
int32_t numOfBlocks = 0;
if (pQueryInfo->tsBuf != NULL) {
STSVnodeBlockInfo *pBlockInfo = tsBufGetVnodeBlockInfo(pQueryInfo->tsBuf, pTableMetaInfo->vgroupIndex);
assert(QUERY_IS_JOIN_QUERY(pQueryInfo->type) && pBlockInfo != NULL); // this query should not be sent
// todo refactor
fseek(pQueryInfo->tsBuf->f, pBlockInfo->offset, SEEK_SET);
fread(pMsg, pBlockInfo->compLen, 1, pQueryInfo->tsBuf->f);
pMsg += pBlockInfo->compLen;
tsLen = pBlockInfo->compLen;
numOfBlocks = pBlockInfo->numOfBlocks;
}
pQueryMsg->tsLen = htonl(tsLen);
pQueryMsg->tsNumOfBlocks = htonl(numOfBlocks);
if (pQueryInfo->tsBuf != NULL) {
pQueryMsg->tsOrder = htonl(pQueryInfo->tsBuf->tsOrder);
}
// serialize tag column query condition
if (pQueryInfo->tagCond.pCond != NULL && taosArrayGetSize(pQueryInfo->tagCond.pCond) > 0) {
STagCond* pTagCond = &pQueryInfo->tagCond;
SCond *pCond = tsGetSTableQueryCond(pTagCond, pTableMeta->uid);
if (pCond != NULL && pCond->cond != NULL) {
pQueryMsg->tagCondLen = htons(pCond->len);
memcpy(pMsg, pCond->cond, pCond->len);
pMsg += pCond->len;
}
}
if (pQueryInfo->tagCond.tbnameCond.cond == NULL) {
*pMsg = 0;
pMsg++;
} else {
strcpy(pMsg, pQueryInfo->tagCond.tbnameCond.cond);
pMsg += strlen(pQueryInfo->tagCond.tbnameCond.cond) + 1;
}
int32_t msgLen = pMsg - pStart;
tscTrace("%p msg built success,len:%d bytes", pSql, msgLen);
pCmd->payloadLen = msgLen;
pSql->cmd.msgType = TSDB_MSG_TYPE_QUERY;
pQueryMsg->head.contLen = htonl(msgLen);
assert(msgLen + minMsgSize() <= size);
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildCreateDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMCreateDbMsg);
pCmd->msgType = TSDB_MSG_TYPE_CM_CREATE_DB;
SCMCreateDbMsg *pCreateDbMsg = (SCMCreateDbMsg*)pCmd->payload;
assert(pCmd->numOfClause == 1);
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strncpy(pCreateDbMsg->db, pTableMetaInfo->name, tListLen(pCreateDbMsg->db));
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildCreateDnodeMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMCreateDnodeMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMCreateDnodeMsg *pCreate = (SCMCreateDnodeMsg *)pCmd->payload;
strncpy(pCreate->ep, pInfo->pDCLInfo->a[0].z, pInfo->pDCLInfo->a[0].n);
pCmd->msgType = TSDB_MSG_TYPE_CM_CREATE_DNODE;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildAcctMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMCreateAcctMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMCreateAcctMsg *pAlterMsg = (SCMCreateAcctMsg *)pCmd->payload;
SSQLToken *pName = &pInfo->pDCLInfo->user.user;
SSQLToken *pPwd = &pInfo->pDCLInfo->user.passwd;
strncpy(pAlterMsg->user, pName->z, pName->n);
strncpy(pAlterMsg->pass, pPwd->z, pPwd->n);
SCreateAcctSQL *pAcctOpt = &pInfo->pDCLInfo->acctOpt;
pAlterMsg->cfg.maxUsers = htonl(pAcctOpt->maxUsers);
pAlterMsg->cfg.maxDbs = htonl(pAcctOpt->maxDbs);
pAlterMsg->cfg.maxTimeSeries = htonl(pAcctOpt->maxTimeSeries);
pAlterMsg->cfg.maxStreams = htonl(pAcctOpt->maxStreams);
pAlterMsg->cfg.maxPointsPerSecond = htonl(pAcctOpt->maxPointsPerSecond);
pAlterMsg->cfg.maxStorage = htobe64(pAcctOpt->maxStorage);
pAlterMsg->cfg.maxQueryTime = htobe64(pAcctOpt->maxQueryTime);
pAlterMsg->cfg.maxConnections = htonl(pAcctOpt->maxConnections);
if (pAcctOpt->stat.n == 0) {
pAlterMsg->cfg.accessState = -1;
} else {
if (pAcctOpt->stat.z[0] == 'r' && pAcctOpt->stat.n == 1) {
pAlterMsg->cfg.accessState = TSDB_VN_READ_ACCCESS;
} else if (pAcctOpt->stat.z[0] == 'w' && pAcctOpt->stat.n == 1) {
pAlterMsg->cfg.accessState = TSDB_VN_WRITE_ACCCESS;
} else if (strncmp(pAcctOpt->stat.z, "all", 3) == 0 && pAcctOpt->stat.n == 3) {
pAlterMsg->cfg.accessState = TSDB_VN_ALL_ACCCESS;
} else if (strncmp(pAcctOpt->stat.z, "no", 2) == 0 && pAcctOpt->stat.n == 2) {
pAlterMsg->cfg.accessState = 0;
}
}
pCmd->msgType = TSDB_MSG_TYPE_CM_CREATE_ACCT;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildUserMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMCreateUserMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMCreateUserMsg *pAlterMsg = (SCMCreateUserMsg*)pCmd->payload;
SUserInfo *pUser = &pInfo->pDCLInfo->user;
strncpy(pAlterMsg->user, pUser->user.z, pUser->user.n);
pAlterMsg->flag = pUser->type;
if (pUser->type == TSDB_ALTER_USER_PRIVILEGES) {
pAlterMsg->privilege = (char)pCmd->count;
} else if (pUser->type == TSDB_ALTER_USER_PASSWD) {
strncpy(pAlterMsg->pass, pUser->passwd.z, pUser->passwd.n);
} else { // create user password info
strncpy(pAlterMsg->pass, pUser->passwd.z, pUser->passwd.n);
}
if (pUser->type == TSDB_ALTER_USER_PASSWD || pUser->type == TSDB_ALTER_USER_PRIVILEGES) {
pCmd->msgType = TSDB_MSG_TYPE_CM_ALTER_USER;
} else {
pCmd->msgType = TSDB_MSG_TYPE_CM_CREATE_USER;
}
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildCfgDnodeMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMCfgDnodeMsg);
pCmd->msgType = TSDB_MSG_TYPE_CM_CONFIG_DNODE;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildDropDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMDropDbMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMDropDbMsg *pDropDbMsg = (SCMDropDbMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strncpy(pDropDbMsg->db, pTableMetaInfo->name, tListLen(pDropDbMsg->db));
pDropDbMsg->ignoreNotExists = pInfo->pDCLInfo->existsCheck ? 1 : 0;
pCmd->msgType = TSDB_MSG_TYPE_CM_DROP_DB;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildDropTableMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMDropTableMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMDropTableMsg *pDropTableMsg = (SCMDropTableMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strcpy(pDropTableMsg->tableId, pTableMetaInfo->name);
pDropTableMsg->igNotExists = pInfo->pDCLInfo->existsCheck ? 1 : 0;
pCmd->msgType = TSDB_MSG_TYPE_CM_DROP_TABLE;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildDropDnodeMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMDropDnodeMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMDropDnodeMsg *pDrop = (SCMDropDnodeMsg *)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strcpy(pDrop->ep, pTableMetaInfo->name);
pCmd->msgType = TSDB_MSG_TYPE_CM_DROP_DNODE;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildDropUserMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMDropUserMsg);
pCmd->msgType = TSDB_MSG_TYPE_CM_DROP_USER;
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMDropUserMsg *pDropMsg = (SCMDropUserMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strcpy(pDropMsg->user, pTableMetaInfo->name);
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildDropAcctMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMDropUserMsg);
pCmd->msgType = TSDB_MSG_TYPE_CM_DROP_ACCT;
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMDropUserMsg *pDropMsg = (SCMDropUserMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strcpy(pDropMsg->user, pTableMetaInfo->name);
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildUseDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMUseDbMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMUseDbMsg *pUseDbMsg = (SCMUseDbMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strcpy(pUseDbMsg->db, pTableMetaInfo->name);
pCmd->msgType = TSDB_MSG_TYPE_CM_USE_DB;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildShowMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
STscObj *pObj = pSql->pTscObj;
SSqlCmd *pCmd = &pSql->cmd;
pCmd->msgType = TSDB_MSG_TYPE_CM_SHOW;
pCmd->payloadLen = sizeof(SCMShowMsg) + 100;
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMShowMsg *pShowMsg = (SCMShowMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
size_t nameLen = strlen(pTableMetaInfo->name);
if (nameLen > 0) {
strcpy(pShowMsg->db, pTableMetaInfo->name); // prefix is set here
} else {
strcpy(pShowMsg->db, pObj->db);
}
SShowInfo *pShowInfo = &pInfo->pDCLInfo->showOpt;
pShowMsg->type = pShowInfo->showType;
if (pShowInfo->showType != TSDB_MGMT_TABLE_VNODES) {
SSQLToken *pPattern = &pShowInfo->pattern;
if (pPattern->type > 0) { // only show tables support wildcard query
strncpy(pShowMsg->payload, pPattern->z, pPattern->n);
pShowMsg->payloadLen = htons(pPattern->n);
}
} else {
SSQLToken *pIpAddr = &pShowInfo->prefix;
assert(pIpAddr->n > 0 && pIpAddr->type > 0);
strncpy(pShowMsg->payload, pIpAddr->z, pIpAddr->n);
pShowMsg->payloadLen = htons(pIpAddr->n);
}
pCmd->payloadLen = sizeof(SCMShowMsg) + pShowMsg->payloadLen;
return TSDB_CODE_SUCCESS;
}
int32_t tscBuildKillMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMKillQueryMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMKillQueryMsg *pKill = (SCMKillQueryMsg*)pCmd->payload;
strncpy(pKill->queryId, pInfo->pDCLInfo->ip.z, pInfo->pDCLInfo->ip.n);
switch (pCmd->command) {
case TSDB_SQL_KILL_QUERY:
pCmd->msgType = TSDB_MSG_TYPE_CM_KILL_QUERY;
break;
case TSDB_SQL_KILL_CONNECTION:
pCmd->msgType = TSDB_MSG_TYPE_CM_KILL_CONN;
break;
case TSDB_SQL_KILL_STREAM:
pCmd->msgType = TSDB_MSG_TYPE_CM_KILL_STREAM;
break;
}
return TSDB_CODE_SUCCESS;
}
int tscEstimateCreateTableMsgLength(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &(pSql->cmd);
int32_t size = minMsgSize() + sizeof(SCMCreateTableMsg);
SCreateTableSQL *pCreateTableInfo = pInfo->pCreateTableInfo;
if (pCreateTableInfo->type == TSQL_CREATE_TABLE_FROM_STABLE) {
size += sizeof(STagData);
} else {
size += sizeof(SSchema) * (pCmd->numOfCols + pCmd->count);
}
if (pCreateTableInfo->pSelect != NULL) {
size += (pCreateTableInfo->pSelect->selectToken.n + 1);
}
return size + TSDB_EXTRA_PAYLOAD_SIZE;
}
int tscBuildCreateTableMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
int msgLen = 0;
SSchema * pSchema;
int size = 0;
SSqlCmd *pCmd = &pSql->cmd;
SQueryInfo * pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
// Reallocate the payload size
size = tscEstimateCreateTableMsgLength(pSql, pInfo);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
tscError("%p failed to malloc for create table msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMCreateTableMsg *pCreateTableMsg = (SCMCreateTableMsg *)pCmd->payload;
strcpy(pCreateTableMsg->tableId, pTableMetaInfo->name);
// use dbinfo from table id without modifying current db info
tscGetDBInfoFromMeterId(pTableMetaInfo->name, pCreateTableMsg->db);
SCreateTableSQL *pCreateTable = pInfo->pCreateTableInfo;
pCreateTableMsg->igExists = pCreateTable->existCheck ? 1 : 0;
pCreateTableMsg->numOfColumns = htons(pCmd->numOfCols);
pCreateTableMsg->numOfTags = htons(pCmd->count);
pCreateTableMsg->sqlLen = 0;
char *pMsg = (char *)pCreateTableMsg->schema;
int8_t type = pInfo->pCreateTableInfo->type;
if (type == TSQL_CREATE_TABLE_FROM_STABLE) { // create by using super table, tags value
STagData* pTag = &pInfo->pCreateTableInfo->usingInfo.tagdata;
*(int32_t*)pMsg = htonl(pTag->dataLen);
pMsg += sizeof(int32_t);
memcpy(pMsg, pTag->name, sizeof(pTag->name));
pMsg += sizeof(pTag->name);
memcpy(pMsg, pTag->data, pTag->dataLen);
pMsg += pTag->dataLen;
} else { // create (super) table
pSchema = (SSchema *)pCreateTableMsg->schema;
for (int i = 0; i < pCmd->numOfCols + pCmd->count; ++i) {
TAOS_FIELD *pField = tscFieldInfoGetField(&pQueryInfo->fieldsInfo, i);
pSchema->type = pField->type;
strcpy(pSchema->name, pField->name);
pSchema->bytes = htons(pField->bytes);
pSchema++;
}
pMsg = (char *)pSchema;
if (type == TSQL_CREATE_STREAM) { // check if it is a stream sql
SQuerySQL *pQuerySql = pInfo->pCreateTableInfo->pSelect;
strncpy(pMsg, pQuerySql->selectToken.z, pQuerySql->selectToken.n + 1);
pCreateTableMsg->sqlLen = htons(pQuerySql->selectToken.n + 1);
pMsg += pQuerySql->selectToken.n + 1;
}
}
tscFieldInfoClear(&pQueryInfo->fieldsInfo);
msgLen = pMsg - (char*)pCreateTableMsg;
pCreateTableMsg->contLen = htonl(msgLen);
pCmd->payloadLen = msgLen;
pCmd->msgType = TSDB_MSG_TYPE_CM_CREATE_TABLE;
assert(msgLen + minMsgSize() <= size);
return TSDB_CODE_SUCCESS;
}
int tscEstimateAlterTableMsgLength(SSqlCmd *pCmd) {
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
return minMsgSize() + sizeof(SCMAlterTableMsg) + sizeof(SSchema) * tscNumOfFields(pQueryInfo) +
TSDB_EXTRA_PAYLOAD_SIZE;
}
int tscBuildAlterTableMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
char *pMsg;
int msgLen = 0;
SSqlCmd *pCmd = &pSql->cmd;
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
SAlterTableSQL *pAlterInfo = pInfo->pAlterInfo;
int size = tscEstimateAlterTableMsgLength(pCmd);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
tscError("%p failed to malloc for alter table msg", pSql);
return -1;
}
SCMAlterTableMsg *pAlterTableMsg = (SCMAlterTableMsg *)pCmd->payload;
tscGetDBInfoFromMeterId(pTableMetaInfo->name, pAlterTableMsg->db);
strcpy(pAlterTableMsg->tableId, pTableMetaInfo->name);
pAlterTableMsg->type = htons(pAlterInfo->type);
pAlterTableMsg->numOfCols = htons(tscNumOfFields(pQueryInfo));
SSchema *pSchema = pAlterTableMsg->schema;
for (int i = 0; i < tscNumOfFields(pQueryInfo); ++i) {
TAOS_FIELD *pField = tscFieldInfoGetField(&pQueryInfo->fieldsInfo, i);
pSchema->type = pField->type;
strcpy(pSchema->name, pField->name);
pSchema->bytes = htons(pField->bytes);
pSchema++;
}
pMsg = (char *)pSchema;
pAlterTableMsg->tagValLen = htonl(pAlterInfo->tagData.dataLen);
memcpy(pMsg, pAlterInfo->tagData.data, pAlterInfo->tagData.dataLen);
pMsg += pAlterInfo->tagData.dataLen;
msgLen = pMsg - (char*)pAlterTableMsg;
pCmd->payloadLen = msgLen;
pCmd->msgType = TSDB_MSG_TYPE_CM_ALTER_TABLE;
assert(msgLen + minMsgSize() <= size);
return TSDB_CODE_SUCCESS;
}
int tscBuildUpdateTagMsg(SSqlObj* pSql, SSqlInfo *pInfo) {
SSqlCmd* pCmd = &pSql->cmd;
pCmd->msgType = TSDB_MSG_TYPE_UPDATE_TAG_VAL;
SUpdateTableTagValMsg* pUpdateMsg = (SUpdateTableTagValMsg*) (pCmd->payload + tsRpcHeadSize);
pCmd->payloadLen = htonl(pUpdateMsg->head.contLen);
return TSDB_CODE_SUCCESS;
}
int tscAlterDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->payloadLen = sizeof(SCMAlterDbMsg);
pCmd->msgType = TSDB_MSG_TYPE_CM_ALTER_DB;
SCMAlterDbMsg *pAlterDbMsg = (SCMAlterDbMsg*)pCmd->payload;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
strcpy(pAlterDbMsg->db, pTableMetaInfo->name);
return TSDB_CODE_SUCCESS;
}
int tscBuildRetrieveFromMgmtMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SSqlCmd *pCmd = &pSql->cmd;
pCmd->msgType = TSDB_MSG_TYPE_CM_RETRIEVE;
pCmd->payloadLen = sizeof(SRetrieveTableMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
SRetrieveTableMsg *pRetrieveMsg = (SRetrieveTableMsg*)pCmd->payload;
pRetrieveMsg->qhandle = htobe64(pSql->res.qhandle);
pRetrieveMsg->free = htons(pQueryInfo->type);
return TSDB_CODE_SUCCESS;
}
static int tscSetResultPointer(SQueryInfo *pQueryInfo, SSqlRes *pRes) {
if (tscCreateResPointerInfo(pRes, pQueryInfo) != TSDB_CODE_SUCCESS) {
return pRes->code;
}
for (int i = 0; i < pQueryInfo->fieldsInfo.numOfOutput; ++i) {
int16_t offset = tscFieldInfoGetOffset(pQueryInfo, i);
pRes->tsrow[i] = ((char*) pRes->data + offset * pRes->numOfRows);
}
return 0;
}
/*
* this function can only be called once.
* by using pRes->rspType to denote its status
*
* if pRes->rspType is 1, no more result
*/
static int tscLocalResultCommonBuilder(SSqlObj *pSql, int32_t numOfRes) {
SSqlRes *pRes = &pSql->res;
SSqlCmd *pCmd = &pSql->cmd;
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
pRes->code = TSDB_CODE_SUCCESS;
if (pRes->rspType == 0) {
pRes->numOfRows = numOfRes;
pRes->row = 0;
pRes->rspType = 1;
tscSetResultPointer(pQueryInfo, pRes);
} else {
tscResetForNextRetrieve(pRes);
}
uint8_t code = pSql->res.code;
if (pSql->fp) {
if (code == TSDB_CODE_SUCCESS) {
(*pSql->fp)(pSql->param, pSql, pSql->res.numOfRows);
} else {
tscQueueAsyncRes(pSql);
}
}
return code;
}
int tscProcessDescribeTableRsp(SSqlObj *pSql) {
SSqlCmd * pCmd = &pSql->cmd;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
STableComInfo tinfo = tscGetTableInfo(pTableMetaInfo->pTableMeta);
int32_t numOfRes = tinfo.numOfColumns + tinfo.numOfTags;
return tscLocalResultCommonBuilder(pSql, numOfRes);
}
int tscProcessTagRetrieveRsp(SSqlObj *pSql) {
// SSqlCmd *pCmd = &pSql->cmd;
// SQueryInfo * pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
// STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
int32_t numOfRes = 0;
#if 0
if (tscSqlExprGet(pQueryInfo, 0)->functionId == TSDB_FUNC_TAGPRJ) {
numOfRes = pTableMetaInfo->pMetricMeta->numOfTables;
} else {
numOfRes = 1; // for count function, there is only one output.
}
#endif
return tscLocalResultCommonBuilder(pSql, numOfRes);
}
int tscProcessRetrieveLocalMergeRsp(SSqlObj *pSql) {
SSqlRes *pRes = &pSql->res;
SSqlCmd *pCmd = &pSql->cmd;
pRes->code = tscDoLocalMerge(pSql);
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
if (pRes->code == TSDB_CODE_SUCCESS && pRes->numOfRows > 0) {
tscSetResultPointer(pQueryInfo, pRes);
}
pRes->row = 0;
pRes->completed = (pRes->numOfRows == 0);
int32_t code = pRes->code;
if (pRes->code == TSDB_CODE_SUCCESS) {
(*pSql->fp)(pSql->param, pSql, pRes->numOfRows);
} else {
tscQueueAsyncRes(pSql);
}
return code;
}
int tscProcessEmptyResultRsp(SSqlObj *pSql) { return tscLocalResultCommonBuilder(pSql, 0); }
int tscBuildConnectMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
STscObj *pObj = pSql->pTscObj;
SSqlCmd *pCmd = &pSql->cmd;
pCmd->msgType = TSDB_MSG_TYPE_CM_CONNECT;
pCmd->payloadLen = sizeof(SCMConnectMsg);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
tscError("%p failed to malloc for query msg", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
SCMConnectMsg *pConnect = (SCMConnectMsg*)pCmd->payload;
char *db; // ugly code to move the space
db = strstr(pObj->db, TS_PATH_DELIMITER);
db = (db == NULL) ? pObj->db : db + 1;
strcpy(pConnect->db, db);
strcpy(pConnect->clientVersion, version);
strcpy(pConnect->msgVersion, "");
return TSDB_CODE_SUCCESS;
}
int tscBuildTableMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SCMTableInfoMsg *pInfoMsg;
char * pMsg;
int msgLen = 0;
char *tmpData = NULL;
uint32_t len = pSql->cmd.payloadLen;
if (len > 0) {
tmpData = calloc(1, len);
if (NULL == tmpData) {
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
// STagData is in binary format, strncpy is not available
memcpy(tmpData, pSql->cmd.payload, len);
}
SSqlCmd * pCmd = &pSql->cmd;
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, 0);
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
pInfoMsg = (SCMTableInfoMsg *)pCmd->payload;
strcpy(pInfoMsg->tableId, pTableMetaInfo->name);
pInfoMsg->createFlag = htons(pSql->cmd.autoCreated ? 1 : 0);
pMsg = (char*)pInfoMsg + sizeof(SCMTableInfoMsg);
if (pSql->cmd.autoCreated && len > 0) {
memcpy(pInfoMsg->tags, tmpData, len);
pMsg += len;
}
pCmd->payloadLen = pMsg - (char*)pInfoMsg;;
pCmd->msgType = TSDB_MSG_TYPE_CM_TABLE_META;
tfree(tmpData);
assert(msgLen + minMsgSize() <= pCmd->allocSize);
return TSDB_CODE_SUCCESS;
}
/**
* multi table meta req pkg format:
* | SMgmtHead | SCMMultiTableInfoMsg | tableId0 | tableId1 | tableId2 | ......
* no used 4B
**/
int tscBuildMultiMeterMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
#if 0
SSqlCmd *pCmd = &pSql->cmd;
// copy payload content to temp buff
char *tmpData = 0;
if (pCmd->payloadLen > 0) {
tmpData = calloc(1, pCmd->payloadLen + 1);
if (NULL == tmpData) return -1;
memcpy(tmpData, pCmd->payload, pCmd->payloadLen);
}
// fill head info
SMgmtHead *pMgmt = (SMgmtHead *)(pCmd->payload + tsRpcHeadSize);
memset(pMgmt->db, 0, TSDB_TABLE_ID_LEN); // server don't need the db
SCMMultiTableInfoMsg *pInfoMsg = (SCMMultiTableInfoMsg *)(pCmd->payload + tsRpcHeadSize + sizeof(SMgmtHead));
pInfoMsg->numOfTables = htonl((int32_t)pCmd->count);
if (pCmd->payloadLen > 0) {
memcpy(pInfoMsg->tableIds, tmpData, pCmd->payloadLen);
}
tfree(tmpData);
pCmd->payloadLen += sizeof(SMgmtHead) + sizeof(SCMMultiTableInfoMsg);
pCmd->msgType = TSDB_MSG_TYPE_CM_TABLES_META;
assert(pCmd->payloadLen + minMsgSize() <= pCmd->allocSize);
tscTrace("%p build load multi-metermeta msg completed, numOfTables:%d, msg size:%d", pSql, pCmd->count,
pCmd->payloadLen);
return pCmd->payloadLen;
#endif
return 0;
}
//static UNUSED_FUNC int32_t tscEstimateMetricMetaMsgSize(SSqlCmd *pCmd) {
//// const int32_t defaultSize =
//// minMsgSize() + sizeof(SSuperTableMetaMsg) + sizeof(SMgmtHead) + sizeof(int16_t) * TSDB_MAX_TAGS;
//// SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
////
//// int32_t n = 0;
//// size_t size = taosArrayGetSize(pQueryInfo->tagCond.pCond);
//// for (int32_t i = 0; i < size; ++i) {
//// assert(0);
////// n += strlen(pQueryInfo->tagCond.cond[i].cond);
//// }
////
//// int32_t tagLen = n * TSDB_NCHAR_SIZE;
//// if (pQueryInfo->tagCond.tbnameCond.cond != NULL) {
//// tagLen += strlen(pQueryInfo->tagCond.tbnameCond.cond) * TSDB_NCHAR_SIZE;
//// }
////
//// int32_t joinCondLen = (TSDB_TABLE_ID_LEN + sizeof(int16_t)) * 2;
//// int32_t elemSize = sizeof(SSuperTableMetaElemMsg) * pQueryInfo->numOfTables;
////
//// int32_t colSize = pQueryInfo->groupbyExpr.numOfGroupCols*sizeof(SColIndex);
////
//// int32_t len = tagLen + joinCondLen + elemSize + colSize + defaultSize;
////
//// return MAX(len, TSDB_DEFAULT_PAYLOAD_SIZE);
//}
int tscBuildSTableVgroupMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
#if 0
SSuperTableMetaMsg *pMetaMsg;
char * pMsg, *pStart;
int msgLen = 0;
int tableIndex = 0;
SSqlCmd * pCmd = &pSql->cmd;
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, 0);
STagCond *pTagCond = &pQueryInfo->tagCond;
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, tableIndex);
int32_t size = tscEstimateMetricMetaMsgSize(pCmd);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
tscError("%p failed to malloc for metric meter msg", pSql);
return -1;
}
pStart = pCmd->payload + tsRpcHeadSize;
pMsg = pStart;
SMgmtHead *pMgmt = (SMgmtHead *)pMsg;
tscGetDBInfoFromMeterId(pTableMetaInfo->name, pMgmt->db);
pMsg += sizeof(SMgmtHead);
pMetaMsg = (SSuperTableMetaMsg *)pMsg;
pMetaMsg->numOfTables = htonl(pQueryInfo->numOfTables);
pMsg += sizeof(SSuperTableMetaMsg);
int32_t offset = pMsg - (char *)pMetaMsg;
pMetaMsg->join = htonl(offset);
// todo refactor
pMetaMsg->joinCondLen = htonl((TSDB_TABLE_ID_LEN + sizeof(int16_t)) * 2);
memcpy(pMsg, pTagCond->joinInfo.left.tableId, TSDB_TABLE_ID_LEN);
pMsg += TSDB_TABLE_ID_LEN;
*(int16_t *)pMsg = pTagCond->joinInfo.left.tagCol;
pMsg += sizeof(int16_t);
memcpy(pMsg, pTagCond->joinInfo.right.tableId, TSDB_TABLE_ID_LEN);
pMsg += TSDB_TABLE_ID_LEN;
*(int16_t *)pMsg = pTagCond->joinInfo.right.tagCol;
pMsg += sizeof(int16_t);
for (int32_t i = 0; i < pQueryInfo->numOfTables; ++i) {
pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, i);
uint64_t uid = pTableMetaInfo->pTableMeta->uid;
offset = pMsg - (char *)pMetaMsg;
pMetaMsg->metaElem[i] = htonl(offset);
SSuperTableMetaElemMsg *pElem = (SSuperTableMetaElemMsg *)pMsg;
pMsg += sizeof(SSuperTableMetaElemMsg);
// convert to unicode before sending to mnode for metric query
int32_t condLen = 0;
if (pTagCond->numOfTagCond > 0) {
SCond *pCond = tsGetSTableQueryCond(pTagCond, uid);
if (pCond != NULL && pCond->cond != NULL) {
condLen = strlen(pCond->cond) + 1;
bool ret = taosMbsToUcs4(pCond->cond, condLen, pMsg, condLen * TSDB_NCHAR_SIZE);
if (!ret) {
tscError("%p mbs to ucs4 failed:%s", pSql, tsGetSTableQueryCond(pTagCond, uid));
return 0;
}
}
}
pElem->condLen = htonl(condLen);
offset = pMsg - (char *)pMetaMsg;
pElem->cond = htonl(offset);
pMsg += condLen * TSDB_NCHAR_SIZE;
pElem->rel = htons(pTagCond->relType);
if (pTagCond->tbnameCond.uid == uid) {
offset = pMsg - (char *)pMetaMsg;
pElem->tableCond = htonl(offset);
uint32_t len = 0;
if (pTagCond->tbnameCond.cond != NULL) {
len = strlen(pTagCond->tbnameCond.cond);
memcpy(pMsg, pTagCond->tbnameCond.cond, len);
}
pElem->tableCondLen = htonl(len);
pMsg += len;
}
SSqlGroupbyExpr *pGroupby = &pQueryInfo->groupbyExpr;
if (pGroupby->tableIndex != i && pGroupby->numOfGroupCols > 0) {
pElem->orderType = 0;
pElem->orderIndex = 0;
pElem->numOfGroupCols = 0;
} else {
pElem->numOfGroupCols = htons(pGroupby->numOfGroupCols);
for (int32_t j = 0; j < pTableMetaInfo->numOfTags; ++j) {
pElem->tagCols[j] = htons(pTableMetaInfo->tagColumnIndex[j]);
}
if (pGroupby->numOfGroupCols != 0) {
pElem->orderIndex = htons(pGroupby->orderIndex);
pElem->orderType = htons(pGroupby->orderType);
offset = pMsg - (char *)pMetaMsg;
pElem->groupbyTagColumnList = htonl(offset);
for (int32_t j = 0; j < pQueryInfo->groupbyExpr.numOfGroupCols; ++j) {
SColIndex *pCol = &pQueryInfo->groupbyExpr.columnInfo[j];
SColIndex *pDestCol = (SColIndex *)pMsg;
pDestCol->colIdxInBuf = 0;
pDestCol->colIndex = htons(pCol->colIndex);
pDestCol->colId = htons(pDestCol->colId);
pDestCol->flag = htons(pDestCol->flag);
strncpy(pDestCol->name, pCol->name, tListLen(pCol->name));
pMsg += sizeof(SColIndex);
}
}
}
strcpy(pElem->tableId, pTableMetaInfo->name);
pElem->numOfTags = htons(pTableMetaInfo->numOfTags);
int16_t len = pMsg - (char *)pElem;
pElem->elemLen = htons(len); // redundant data for integrate check
}
msgLen = pMsg - pStart;
pCmd->payloadLen = msgLen;
pCmd->msgType = TSDB_MSG_TYPE_CM_STABLE_VGROUP;
assert(msgLen + minMsgSize() <= size);
#endif
SSqlCmd *pCmd = &pSql->cmd;
char* pMsg = pCmd->payload;
SQueryInfo* pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
SCMSTableVgroupMsg *pStableVgroupMsg = (SCMSTableVgroupMsg *) pMsg;
pStableVgroupMsg->numOfTables = htonl(pQueryInfo->numOfTables);
pMsg += sizeof(SCMSTableVgroupMsg);
for(int32_t i = 0; i < pQueryInfo->numOfTables; ++i) {
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, i);
strncpy(pMsg, pTableMetaInfo->name, TSDB_TABLE_ID_LEN);
pMsg += TSDB_TABLE_ID_LEN;
}
pCmd->msgType = TSDB_MSG_TYPE_CM_STABLE_VGROUP;
pCmd->payloadLen = (pMsg - pCmd->payload);
return TSDB_CODE_SUCCESS;
}
int tscEstimateHeartBeatMsgLength(SSqlObj *pSql) {
int size = 0;
STscObj *pObj = pSql->pTscObj;
size += tsRpcHeadSize;
size += sizeof(SQqueryList);
SSqlObj *tpSql = pObj->sqlList;
while (tpSql) {
size += sizeof(SQueryDesc);
tpSql = tpSql->next;
}
size += sizeof(SStreamList);
SSqlStream *pStream = pObj->streamList;
while (pStream) {
size += sizeof(SStreamDesc);
pStream = pStream->next;
}
return size + TSDB_EXTRA_PAYLOAD_SIZE;
}
int tscBuildHeartBeatMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
char *pMsg, *pStart;
int msgLen = 0;
int size = 0;
SSqlCmd *pCmd = &pSql->cmd;
STscObj *pObj = pSql->pTscObj;
pthread_mutex_lock(&pObj->mutex);
size = tscEstimateHeartBeatMsgLength(pSql);
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
pthread_mutex_unlock(&pObj->mutex);
tscError("%p failed to malloc for heartbeat msg", pSql);
return -1;
}
pMsg = pCmd->payload;
pStart = pMsg;
pMsg = tscBuildQueryStreamDesc(pMsg, pObj);
pthread_mutex_unlock(&pObj->mutex);
msgLen = pMsg - pStart;
pCmd->payloadLen = msgLen;
pCmd->msgType = TSDB_MSG_TYPE_CM_HEARTBEAT;
assert(msgLen + minMsgSize() <= size);
return TSDB_CODE_SUCCESS;
}
int tscProcessTableMetaRsp(SSqlObj *pSql) {
STableMetaMsg *pMetaMsg = (STableMetaMsg *)pSql->res.pRsp;
pMetaMsg->sid = htonl(pMetaMsg->sid);
pMetaMsg->sversion = htons(pMetaMsg->sversion);
pMetaMsg->tversion = htons(pMetaMsg->tversion);
pMetaMsg->vgroup.vgId = htonl(pMetaMsg->vgroup.vgId);
pMetaMsg->uid = htobe64(pMetaMsg->uid);
pMetaMsg->contLen = htons(pMetaMsg->contLen);
pMetaMsg->numOfColumns = htons(pMetaMsg->numOfColumns);
if (pMetaMsg->sid < 0 || pMetaMsg->vgroup.numOfIps < 0) {
tscError("invalid meter vgId:%d, sid%d", pMetaMsg->vgroup.numOfIps, pMetaMsg->sid);
return TSDB_CODE_INVALID_VALUE;
}
if (pMetaMsg->numOfTags > TSDB_MAX_TAGS || pMetaMsg->numOfTags < 0) {
tscError("invalid numOfTags:%d", pMetaMsg->numOfTags);
return TSDB_CODE_INVALID_VALUE;
}
if (pMetaMsg->numOfColumns > TSDB_MAX_COLUMNS || pMetaMsg->numOfColumns <= 0) {
tscError("invalid numOfColumns:%d", pMetaMsg->numOfColumns);
return TSDB_CODE_INVALID_VALUE;
}
for (int i = 0; i < pMetaMsg->vgroup.numOfIps; ++i) {
pMetaMsg->vgroup.ipAddr[i].port = htons(pMetaMsg->vgroup.ipAddr[i].port);
}
SSchema* pSchema = pMetaMsg->schema;
int32_t numOfTotalCols = pMetaMsg->numOfColumns + pMetaMsg->numOfTags;
for (int i = 0; i < numOfTotalCols; ++i) {
pSchema->bytes = htons(pSchema->bytes);
pSchema->colId = htons(pSchema->colId);
assert(pSchema->type >= TSDB_DATA_TYPE_BOOL && pSchema->type <= TSDB_DATA_TYPE_NCHAR);
pSchema++;
}
size_t size = 0;
STableMeta* pTableMeta = tscCreateTableMetaFromMsg(pMetaMsg, &size);
// todo add one more function: taosAddDataIfNotExists();
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, 0, 0);
assert(pTableMetaInfo->pTableMeta == NULL);
pTableMetaInfo->pTableMeta =
(STableMeta *) taosCachePut(tscCacheHandle, pTableMetaInfo->name, pTableMeta, size, tsTableMetaKeepTimer);
// todo handle out of memory case
if (pTableMetaInfo->pTableMeta == NULL) {
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
tscTrace("%p recv table meta: %"PRId64 ", tid:%d, name:%s", pSql, pTableMeta->uid, pTableMeta->sid, pTableMetaInfo->name);
free(pTableMeta);
return TSDB_CODE_SUCCESS;
}
/**
* multi table meta rsp pkg format:
* | STaosRsp | ieType | SCMMultiTableInfoMsg | SMeterMeta0 | SSchema0 | SMeterMeta1 | SSchema1 | SMeterMeta2 | SSchema2
* |...... 1B 1B 4B
**/
int tscProcessMultiMeterMetaRsp(SSqlObj *pSql) {
#if 0
char *rsp = pSql->res.pRsp;
ieType = *rsp;
if (ieType != TSDB_IE_TYPE_META) {
tscError("invalid ie type:%d", ieType);
pSql->res.code = TSDB_CODE_INVALID_IE;
pSql->res.numOfTotal = 0;
return TSDB_CODE_OTHERS;
}
rsp++;
SCMMultiTableInfoMsg *pInfo = (SCMMultiTableInfoMsg *)rsp;
totalNum = htonl(pInfo->numOfTables);
rsp += sizeof(SCMMultiTableInfoMsg);
for (i = 0; i < totalNum; i++) {
SMultiTableMeta *pMultiMeta = (SMultiTableMeta *)rsp;
STableMeta * pMeta = pMultiMeta->metas;
pMeta->sid = htonl(pMeta->sid);
pMeta->sversion = htons(pMeta->sversion);
pMeta->vgId = htonl(pMeta->vgId);
pMeta->uid = htobe64(pMeta->uid);
if (pMeta->sid <= 0 || pMeta->vgId < 0) {
tscError("invalid meter vgId:%d, sid%d", pMeta->vgId, pMeta->sid);
pSql->res.code = TSDB_CODE_INVALID_VALUE;
pSql->res.numOfTotal = i;
return TSDB_CODE_OTHERS;
}
// pMeta->numOfColumns = htons(pMeta->numOfColumns);
//
// if (pMeta->numOfTags > TSDB_MAX_TAGS || pMeta->numOfTags < 0) {
// tscError("invalid tag value count:%d", pMeta->numOfTags);
// pSql->res.code = TSDB_CODE_INVALID_VALUE;
// pSql->res.numOfTotal = i;
// return TSDB_CODE_OTHERS;
// }
//
// if (pMeta->numOfTags > TSDB_MAX_TAGS || pMeta->numOfTags < 0) {
// tscError("invalid numOfTags:%d", pMeta->numOfTags);
// pSql->res.code = TSDB_CODE_INVALID_VALUE;
// pSql->res.numOfTotal = i;
// return TSDB_CODE_OTHERS;
// }
//
// if (pMeta->numOfColumns > TSDB_MAX_COLUMNS || pMeta->numOfColumns < 0) {
// tscError("invalid numOfColumns:%d", pMeta->numOfColumns);
// pSql->res.code = TSDB_CODE_INVALID_VALUE;
// pSql->res.numOfTotal = i;
// return TSDB_CODE_OTHERS;
// }
//
// for (int j = 0; j < TSDB_REPLICA_MAX_NUM; ++j) {
// pMeta->vpeerDesc[j].vnode = htonl(pMeta->vpeerDesc[j].vnode);
// }
//
// pMeta->rowSize = 0;
// rsp += sizeof(SMultiTableMeta);
// pSchema = (SSchema *)rsp;
//
// int32_t numOfTotalCols = pMeta->numOfColumns + pMeta->numOfTags;
// for (int j = 0; j < numOfTotalCols; ++j) {
// pSchema->bytes = htons(pSchema->bytes);
// pSchema->colId = htons(pSchema->colId);
//
// // ignore the tags length
// if (j < pMeta->numOfColumns) {
// pMeta->rowSize += pSchema->bytes;
// }
// pSchema++;
// }
//
// rsp += numOfTotalCols * sizeof(SSchema);
//
// int32_t tagLen = 0;
// SSchema *pTagsSchema = tscGetTableTagSchema(pMeta);
//
// if (pMeta->tableType == TSDB_CHILD_TABLE) {
// for (int32_t j = 0; j < pMeta->numOfTags; ++j) {
// tagLen += pTagsSchema[j].bytes;
// }
// }
//
// rsp += tagLen;
// int32_t size = (int32_t)(rsp - ((char *)pMeta)); // Consistent with STableMeta in cache
//
// pMeta->index = 0;
// (void)taosCachePut(tscCacheHandle, pMeta->tableId, (char *)pMeta, size, tsTableMetaKeepTimer);
// }
}
pSql->res.code = TSDB_CODE_SUCCESS;
pSql->res.numOfTotal = i;
tscTrace("%p load multi-metermeta resp from complete num:%d", pSql, pSql->res.numOfTotal);
#endif
return TSDB_CODE_SUCCESS;
}
int tscProcessSTableVgroupRsp(SSqlObj *pSql) {
#if 0
void ** metricMetaList = NULL;
int32_t * sizes = NULL;
int32_t num = htons(*(int16_t *)rsp);
rsp += sizeof(int16_t);
metricMetaList = calloc(1, POINTER_BYTES * num);
sizes = calloc(1, sizeof(int32_t) * num);
// return with error code
if (metricMetaList == NULL || sizes == NULL) {
tfree(metricMetaList);
tfree(sizes);
pSql->res.code = TSDB_CODE_CLI_OUT_OF_MEMORY;
return pSql->res.code;
}
for (int32_t k = 0; k < num; ++k) {
pMeta = (SSuperTableMeta *)rsp;
size_t size = (size_t)pSql->res.rspLen - 1;
rsp = rsp + sizeof(SSuperTableMeta);
pMeta->numOfTables = htonl(pMeta->numOfTables);
pMeta->numOfVnodes = htonl(pMeta->numOfVnodes);
pMeta->tagLen = htons(pMeta->tagLen);
size += pMeta->numOfVnodes * sizeof(SVnodeSidList *) + pMeta->numOfTables * sizeof(STableIdInfo *);
char *pBuf = calloc(1, size);
if (pBuf == NULL) {
pSql->res.code = TSDB_CODE_CLI_OUT_OF_MEMORY;
goto _error_clean;
}
SSuperTableMeta *pNewMetricMeta = (SSuperTableMeta *)pBuf;
metricMetaList[k] = pNewMetricMeta;
pNewMetricMeta->numOfTables = pMeta->numOfTables;
pNewMetricMeta->numOfVnodes = pMeta->numOfVnodes;
pNewMetricMeta->tagLen = pMeta->tagLen;
pBuf = pBuf + sizeof(SSuperTableMeta) + pNewMetricMeta->numOfVnodes * sizeof(SVnodeSidList *);
for (int32_t i = 0; i < pMeta->numOfVnodes; ++i) {
SVnodeSidList *pSidLists = (SVnodeSidList *)rsp;
memcpy(pBuf, pSidLists, sizeof(SVnodeSidList));
pNewMetricMeta->list[i] = pBuf - (char *)pNewMetricMeta; // offset value
SVnodeSidList *pLists = (SVnodeSidList *)pBuf;
tscTrace("%p metricmeta:vid:%d,numOfTables:%d", pSql, i, pLists->numOfSids);
pBuf += sizeof(SVnodeSidList) + sizeof(STableIdInfo *) * pSidLists->numOfSids;
rsp += sizeof(SVnodeSidList);
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);
((STableIdInfo *)pBuf)->uid = htobe64(((STableIdInfo *)pBuf)->uid);
((STableIdInfo *)pBuf)->sid = htonl(((STableIdInfo *)pBuf)->sid);
rsp += elemSize;
pBuf += elemSize;
}
}
sizes[k] = pBuf - (char *)pNewMetricMeta;
}
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, 0);
for (int32_t i = 0; i < num; ++i) {
char name[TSDB_MAX_TAGS_LEN + 1] = {0};
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, i);
tscGetMetricMetaCacheKey(pQueryInfo, name, pTableMetaInfo->pTableMeta->uid);
#ifdef _DEBUG_VIEW
printf("generate the metric key:%s, index:%d\n", name, i);
#endif
// release the used metricmeta
taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pMetricMeta), false);
pTableMetaInfo->pMetricMeta = (SSuperTableMeta *)taosCachePut(tscCacheHandle, name, (char *)metricMetaList[i],
sizes[i], tsMetricMetaKeepTimer);
tfree(metricMetaList[i]);
// failed to put into cache
if (pTableMetaInfo->pMetricMeta == NULL) {
pSql->res.code = TSDB_CODE_CLI_OUT_OF_MEMORY;
goto _error_clean;
}
}
_error_clean:
// free allocated resource
for (int32_t i = 0; i < num; ++i) {
tfree(metricMetaList[i]);
}
free(sizes);
free(metricMetaList);
#endif
SSqlRes* pRes = &pSql->res;
// NOTE: the order of several table must be preserved.
SCMSTableVgroupRspMsg *pStableVgroup = (SCMSTableVgroupRspMsg *)pRes->pRsp;
pStableVgroup->numOfTables = htonl(pStableVgroup->numOfTables);
char* pMsg = pRes->pRsp + sizeof(SCMSTableVgroupRspMsg);
// master sqlObj locates in param
SSqlObj* parent = pSql->param;
assert(parent != NULL);
SSqlCmd* pCmd = &parent->cmd;
for(int32_t i = 0; i < pStableVgroup->numOfTables; ++i) {
STableMetaInfo *pInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, i);
SVgroupsInfo * pVgroupInfo = (SVgroupsInfo *)pMsg;
pVgroupInfo->numOfVgroups = htonl(pVgroupInfo->numOfVgroups);
size_t size = sizeof(SCMVgroupInfo) * pVgroupInfo->numOfVgroups + sizeof(SVgroupsInfo);
pInfo->vgroupList = calloc(1, size);
assert(pInfo->vgroupList != NULL);
memcpy(pInfo->vgroupList, pVgroupInfo, size);
for (int32_t j = 0; j < pInfo->vgroupList->numOfVgroups; ++j) {
SCMVgroupInfo *pVgroups = &pInfo->vgroupList->vgroups[j];
pVgroups->vgId = htonl(pVgroups->vgId);
assert(pVgroups->numOfIps >= 1);
for (int32_t k = 0; k < pVgroups->numOfIps; ++k) {
pVgroups->ipAddr[k].port = htons(pVgroups->ipAddr[k].port);
}
pMsg += size;
}
}
return pSql->res.code;
}
/*
* current process do not use the cache at all
*/
int tscProcessShowRsp(SSqlObj *pSql) {
STableMetaMsg * pMetaMsg;
SCMShowRsp *pShow;
SSchema * pSchema;
char key[20];
SSqlRes *pRes = &pSql->res;
SSqlCmd *pCmd = &pSql->cmd;
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
pShow = (SCMShowRsp *)pRes->pRsp;
pShow->qhandle = htobe64(pShow->qhandle);
pRes->qhandle = pShow->qhandle;
tscResetForNextRetrieve(pRes);
pMetaMsg = &(pShow->tableMeta);
pMetaMsg->numOfColumns = ntohs(pMetaMsg->numOfColumns);
pSchema = pMetaMsg->schema;
pMetaMsg->sid = ntohs(pMetaMsg->sid);
for (int i = 0; i < pMetaMsg->numOfColumns; ++i) {
pSchema->bytes = htons(pSchema->bytes);
pSchema++;
}
key[0] = pCmd->msgType + 'a';
strcpy(key + 1, "showlist");
taosCacheRelease(tscCacheHandle, (void *)&(pTableMetaInfo->pTableMeta), false);
size_t size = 0;
STableMeta* pTableMeta = tscCreateTableMetaFromMsg(pMetaMsg, &size);
pTableMetaInfo->pTableMeta = taosCachePut(tscCacheHandle, key, (char *)pTableMeta, size, tsTableMetaKeepTimer);
SSchema *pTableSchema = tscGetTableSchema(pTableMetaInfo->pTableMeta);
if (pQueryInfo->colList == NULL) {
pQueryInfo->colList = taosArrayInit(4, POINTER_BYTES);
}
SFieldInfo* pFieldInfo = &pQueryInfo->fieldsInfo;
SColumnIndex index = {0};
pSchema = pMetaMsg->schema;
for (int16_t i = 0; i < pMetaMsg->numOfColumns; ++i, ++pSchema) {
index.columnIndex = i;
tscColumnListInsert(pQueryInfo->colList, &index);
TAOS_FIELD f = tscCreateField(pSchema->type, pSchema->name, pSchema->bytes);
SFieldSupInfo* pInfo = tscFieldInfoAppend(pFieldInfo, &f);
pInfo->pSqlExpr = tscSqlExprAppend(pQueryInfo, TSDB_FUNC_TS_DUMMY, &index,
pTableSchema[i].type, pTableSchema[i].bytes, pTableSchema[i].bytes, false);
}
pCmd->numOfCols = pQueryInfo->fieldsInfo.numOfOutput;
tscFieldInfoUpdateOffset(pQueryInfo);
tfree(pTableMeta);
return 0;
}
int tscProcessConnectRsp(SSqlObj *pSql) {
char temp[TSDB_TABLE_ID_LEN * 2];
STscObj *pObj = pSql->pTscObj;
SSqlRes *pRes = &pSql->res;
SCMConnectRsp *pConnect = (SCMConnectRsp *)pRes->pRsp;
strcpy(pObj->acctId, pConnect->acctId); // copy acctId from response
int32_t len = sprintf(temp, "%s%s%s", pObj->acctId, TS_PATH_DELIMITER, pObj->db);
assert(len <= tListLen(pObj->db));
strncpy(pObj->db, temp, tListLen(pObj->db));
if (pConnect->ipList.numOfIps > 0)
tscSetMgmtIpList(&pConnect->ipList);
strcpy(pObj->sversion, pConnect->serverVersion);
pObj->writeAuth = pConnect->writeAuth;
pObj->superAuth = pConnect->superAuth;
taosTmrReset(tscProcessActivityTimer, tsShellActivityTimer * 500, pObj, tscTmr, &pObj->pTimer);
return 0;
}
int tscProcessUseDbRsp(SSqlObj *pSql) {
STscObj * pObj = pSql->pTscObj;
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, 0, 0);
strcpy(pObj->db, pTableMetaInfo->name);
return 0;
}
int tscProcessDropDbRsp(SSqlObj *UNUSED_PARAM(pSql)) {
taosCacheEmpty(tscCacheHandle);
return 0;
}
int tscProcessDropTableRsp(SSqlObj *pSql) {
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, 0, 0);
STableMeta *pTableMeta = taosCacheAcquireByName(tscCacheHandle, pTableMetaInfo->name);
if (pTableMeta == NULL) {
/* not in cache, abort */
return 0;
}
/*
* 1. if a user drops one table, which is the only table in a vnode, remove operation will incur vnode to be removed.
* 2. Then, a user creates a new metric followed by a table with identical name of removed table but different schema,
* here the table will reside in a new vnode.
* The cached information is expired, however, we may have lost the ref of original meter. So, clear whole cache
* instead.
*/
tscTrace("%p force release metermeta after drop table:%s", pSql, pTableMetaInfo->name);
taosCacheRelease(tscCacheHandle, (void **)&pTableMeta, true);
if (pTableMetaInfo->pTableMeta) {
taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pTableMeta), true);
}
return 0;
}
int tscProcessAlterTableMsgRsp(SSqlObj *pSql) {
STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, 0, 0);
STableMeta *pTableMeta = taosCacheAcquireByName(tscCacheHandle, pTableMetaInfo->name);
if (pTableMeta == NULL) { /* not in cache, abort */
return 0;
}
tscTrace("%p force release metermeta in cache after alter-table: %s", pSql, pTableMetaInfo->name);
taosCacheRelease(tscCacheHandle, (void **)&pTableMeta, true);
if (pTableMetaInfo->pTableMeta) {
bool isSuperTable = UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo);
taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pTableMeta), true);
// taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pMetricMeta), true);
if (isSuperTable) { // if it is a super table, reset whole query cache
tscTrace("%p reset query cache since table:%s is stable", pSql, pTableMetaInfo->name);
taosCacheEmpty(tscCacheHandle);
}
}
return 0;
}
int tscProcessAlterDbMsgRsp(SSqlObj *pSql) {
UNUSED(pSql);
return 0;
}
int tscProcessQueryRsp(SSqlObj *pSql) {
SSqlRes *pRes = &pSql->res;
SQueryTableRsp *pQuery = (SQueryTableRsp *)pRes->pRsp;
pQuery->qhandle = htobe64(pQuery->qhandle);
pRes->qhandle = pQuery->qhandle;
pRes->data = NULL;
tscResetForNextRetrieve(pRes);
return 0;
}
int tscProcessRetrieveRspFromNode(SSqlObj *pSql) {
SSqlRes *pRes = &pSql->res;
SSqlCmd *pCmd = &pSql->cmd;
SRetrieveTableRsp *pRetrieve = (SRetrieveTableRsp *)pRes->pRsp;
pRes->numOfRows = htonl(pRetrieve->numOfRows);
pRes->precision = htons(pRetrieve->precision);
pRes->offset = htobe64(pRetrieve->offset);
pRes->useconds = htobe64(pRetrieve->useconds);
pRes->completed = (pRetrieve->completed == 1);
pRes->data = pRetrieve->data;
SQueryInfo* pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
if (tscCreateResPointerInfo(pRes, pQueryInfo) != TSDB_CODE_SUCCESS) {
return pRes->code;
}
if (pSql->pSubscription != NULL) {
int32_t numOfCols = pQueryInfo->fieldsInfo.numOfOutput;
TAOS_FIELD *pField = tscFieldInfoGetField(&pQueryInfo->fieldsInfo, numOfCols - 1);
int16_t offset = tscFieldInfoGetOffset(pQueryInfo, numOfCols - 1);
char* p = pRes->data + (pField->bytes + offset) * pRes->numOfRows;
int32_t numOfTables = htonl(*(int32_t*)p);
p += sizeof(int32_t);
for (int i = 0; i < numOfTables; i++) {
int64_t uid = htobe64(*(int64_t*)p);
p += sizeof(int64_t);
p += sizeof(int32_t); // skip tid
TSKEY key = htobe64(*(TSKEY*)p);
p += sizeof(TSKEY);
tscUpdateSubscriptionProgress(pSql->pSubscription, uid, key);
}
}
pRes->row = 0;
tscTrace("%p numOfRows:%d, offset:%d", pSql, pRes->numOfRows, pRes->offset);
return 0;
}
int tscProcessRetrieveRspFromLocal(SSqlObj *pSql) {
SSqlRes * pRes = &pSql->res;
SSqlCmd * pCmd = &pSql->cmd;
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
SRetrieveTableRsp *pRetrieve = (SRetrieveTableRsp *)pRes->pRsp;
pRes->numOfRows = htonl(pRetrieve->numOfRows);
pRes->data = pRetrieve->data;
tscSetResultPointer(pQueryInfo, pRes);
pRes->row = 0;
return 0;
}
void tscTableMetaCallBack(void *param, TAOS_RES *res, int code);
static int32_t getTableMetaFromMgmt(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
SSqlObj *pNew = calloc(1, sizeof(SSqlObj));
if (NULL == pNew) {
tscError("%p malloc failed for new sqlobj to get table meta", pSql);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
pNew->pTscObj = pSql->pTscObj;
pNew->signature = pNew;
pNew->cmd.command = TSDB_SQL_META;
tscAddSubqueryInfo(&pNew->cmd);
SQueryInfo *pNewQueryInfo = NULL;
tscGetQueryInfoDetailSafely(&pNew->cmd, 0, &pNewQueryInfo);
pNew->cmd.autoCreated = pSql->cmd.autoCreated; // create table if not exists
if (TSDB_CODE_SUCCESS != tscAllocPayload(&pNew->cmd, TSDB_DEFAULT_PAYLOAD_SIZE + pSql->cmd.payloadLen)) {
tscError("%p malloc failed for payload to get table meta", pSql);
free(pNew);
return TSDB_CODE_CLI_OUT_OF_MEMORY;
}
STableMetaInfo *pNewMeterMetaInfo = tscAddEmptyMetaInfo(pNewQueryInfo);
assert(pNew->cmd.numOfClause == 1 && pNewQueryInfo->numOfTables == 1);
strncpy(pNewMeterMetaInfo->name, pTableMetaInfo->name, tListLen(pNewMeterMetaInfo->name));
memcpy(pNew->cmd.payload, pSql->cmd.payload, pSql->cmd.payloadLen); // tag information if table does not exists.
pNew->cmd.payloadLen = pSql->cmd.payloadLen;
tscTrace("%p new pSqlObj:%p to get tableMeta, auto create:%d", pSql, pNew, pNew->cmd.autoCreated);
pNew->fp = tscTableMetaCallBack;
pNew->param = pSql;
int32_t code = tscProcessSql(pNew);
if (code == TSDB_CODE_SUCCESS) {
code = TSDB_CODE_ACTION_IN_PROGRESS;
}
return code;
}
int32_t tscGetTableMeta(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
assert(strlen(pTableMetaInfo->name) != 0);
// If this STableMetaInfo owns a table meta, release it first
if (pTableMetaInfo->pTableMeta != NULL) {
taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pTableMeta), false);
}
pTableMetaInfo->pTableMeta = (STableMeta *)taosCacheAcquireByName(tscCacheHandle, pTableMetaInfo->name);
if (pTableMetaInfo->pTableMeta != NULL) {
STableComInfo tinfo = tscGetTableInfo(pTableMetaInfo->pTableMeta);
tscTrace("%p retrieve table Meta from cache, the number of columns:%d, numOfTags:%d, %p", pSql, tinfo.numOfColumns,
tinfo.numOfTags, pTableMetaInfo->pTableMeta);
return TSDB_CODE_SUCCESS;
}
return getTableMetaFromMgmt(pSql, pTableMetaInfo);
}
int tscGetMeterMetaEx(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo, bool createIfNotExists) {
pSql->cmd.autoCreated = createIfNotExists;
return tscGetTableMeta(pSql, pTableMetaInfo);
}
/*
* in handling the renew metermeta problem during insertion,
*
* If the meter is created on demand during insertion, the routine usually waits for a short
* period to re-issue the getMeterMeta msg, in which makes a greater change that vnode has
* successfully created the corresponding table.
*/
static void tscWaitingForCreateTable(SSqlCmd *pCmd) {
if (pCmd->command == TSDB_SQL_INSERT) {
taosMsleep(50); // todo: global config
}
}
/**
* in renew metermeta, do not retrieve metadata in cache.
* @param pSql sql object
* @param tableId meter id
* @return status code
*/
int tscRenewMeterMeta(SSqlObj *pSql, char *tableId) {
int code = 0;
// handle table meta renew process
SSqlCmd *pCmd = &pSql->cmd;
SQueryInfo * pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
/*
* 1. only update the metermeta in force model metricmeta is not updated
* 2. if get metermeta failed, still get the metermeta
*/
if (pTableMetaInfo->pTableMeta == NULL || !tscQueryOnSTable(pCmd)) {
STableMeta* pTableMeta = pTableMetaInfo->pTableMeta;
if (pTableMetaInfo->pTableMeta) {
tscTrace("%p update table meta, old: numOfTags:%d, numOfCols:%d, uid:%" PRId64 ", addr:%p", pSql,
tscGetNumOfTags(pTableMeta), tscGetNumOfColumns(pTableMeta), pTableMeta->uid, pTableMeta);
}
tscWaitingForCreateTable(pCmd);
taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pTableMeta), true);
code = getTableMetaFromMgmt(pSql, pTableMetaInfo); // todo ??
} else {
tscTrace("%p metric query not update metric meta, numOfTags:%d, numOfCols:%d, uid:%" PRId64 ", addr:%p", pSql,
tscGetNumOfTags(pTableMetaInfo->pTableMeta), pCmd->numOfCols, pTableMetaInfo->pTableMeta->uid,
pTableMetaInfo->pTableMeta);
}
return code;
}
static bool allVgroupInfoRetrieved(SSqlCmd* pCmd, int32_t clauseIndex) {
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, clauseIndex);
for (int32_t i = 0; i < pQueryInfo->numOfTables; ++i) {
STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, i);
if (pTableMetaInfo->vgroupList == NULL) {
return false;
}
}
// all super tables vgroupinfo are retrieved, no need to retrieve vgroup info anymore
return true;
}
int tscGetSTableVgroupInfo(SSqlObj *pSql, int32_t clauseIndex) {
int code = TSDB_CODE_NETWORK_UNAVAIL;
SSqlCmd *pCmd = &pSql->cmd;
if (allVgroupInfoRetrieved(pCmd, clauseIndex)) {
return TSDB_CODE_SUCCESS;
}
SSqlObj *pNew = calloc(1, sizeof(SSqlObj));
pNew->pTscObj = pSql->pTscObj;
pNew->signature = pNew;
pNew->cmd.command = TSDB_SQL_STABLEVGROUP;
SQueryInfo *pNewQueryInfo = NULL;
if ((code = tscGetQueryInfoDetailSafely(&pNew->cmd, 0, &pNewQueryInfo)) != TSDB_CODE_SUCCESS) {
return code;
}
SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, clauseIndex);
for (int32_t i = 0; i < pQueryInfo->numOfTables; ++i) {
STableMetaInfo *pMInfo = tscGetMetaInfo(pQueryInfo, i);
STableMeta *pTableMeta = taosCacheAcquireByData(tscCacheHandle, pMInfo->pTableMeta);
tscAddTableMetaInfo(pNewQueryInfo, pMInfo->name, pTableMeta, NULL, pMInfo->tagColList);
}
if ((code = tscAllocPayload(&pNew->cmd, TSDB_DEFAULT_PAYLOAD_SIZE)) != TSDB_CODE_SUCCESS) {
tscFreeSqlObj(pNew);
return code;
}
pNewQueryInfo->numOfTables = pQueryInfo->numOfTables;
tscTrace("%p new sqlObj:%p to get vgroupInfo, numOfTables:%d", pSql, pNew, pNewQueryInfo->numOfTables);
pNew->fp = tscTableMetaCallBack;
pNew->param = pSql;
code = tscProcessSql(pNew);
if (code == TSDB_CODE_SUCCESS) {
code = TSDB_CODE_ACTION_IN_PROGRESS;
}
return code;
}
void tscInitMsgsFp() {
tscBuildMsg[TSDB_SQL_SELECT] = tscBuildQueryMsg;
tscBuildMsg[TSDB_SQL_INSERT] = tscBuildSubmitMsg;
tscBuildMsg[TSDB_SQL_FETCH] = tscBuildFetchMsg;
tscBuildMsg[TSDB_SQL_CREATE_DB] = tscBuildCreateDbMsg;
tscBuildMsg[TSDB_SQL_CREATE_USER] = tscBuildUserMsg;
tscBuildMsg[TSDB_SQL_CREATE_ACCT] = tscBuildAcctMsg;
tscBuildMsg[TSDB_SQL_ALTER_ACCT] = tscBuildAcctMsg;
tscBuildMsg[TSDB_SQL_CREATE_TABLE] = tscBuildCreateTableMsg;
tscBuildMsg[TSDB_SQL_DROP_USER] = tscBuildDropUserMsg;
tscBuildMsg[TSDB_SQL_DROP_ACCT] = tscBuildDropAcctMsg;
tscBuildMsg[TSDB_SQL_DROP_DB] = tscBuildDropDbMsg;
tscBuildMsg[TSDB_SQL_DROP_TABLE] = tscBuildDropTableMsg;
tscBuildMsg[TSDB_SQL_ALTER_USER] = tscBuildUserMsg;
tscBuildMsg[TSDB_SQL_CREATE_DNODE] = tscBuildCreateDnodeMsg;
tscBuildMsg[TSDB_SQL_DROP_DNODE] = tscBuildDropDnodeMsg;
tscBuildMsg[TSDB_SQL_CFG_DNODE] = tscBuildCfgDnodeMsg;
tscBuildMsg[TSDB_SQL_ALTER_TABLE] = tscBuildAlterTableMsg;
tscBuildMsg[TSDB_SQL_UPDATE_TAGS_VAL] = tscBuildUpdateTagMsg;
tscBuildMsg[TSDB_SQL_ALTER_DB] = tscAlterDbMsg;
tscBuildMsg[TSDB_SQL_CONNECT] = tscBuildConnectMsg;
tscBuildMsg[TSDB_SQL_USE_DB] = tscBuildUseDbMsg;
tscBuildMsg[TSDB_SQL_META] = tscBuildTableMetaMsg;
tscBuildMsg[TSDB_SQL_STABLEVGROUP] = tscBuildSTableVgroupMsg;
tscBuildMsg[TSDB_SQL_MULTI_META] = tscBuildMultiMeterMetaMsg;
tscBuildMsg[TSDB_SQL_HB] = tscBuildHeartBeatMsg;
tscBuildMsg[TSDB_SQL_SHOW] = tscBuildShowMsg;
tscBuildMsg[TSDB_SQL_RETRIEVE] = tscBuildRetrieveFromMgmtMsg;
tscBuildMsg[TSDB_SQL_KILL_QUERY] = tscBuildKillMsg;
tscBuildMsg[TSDB_SQL_KILL_STREAM] = tscBuildKillMsg;
tscBuildMsg[TSDB_SQL_KILL_CONNECTION] = tscBuildKillMsg;
tscProcessMsgRsp[TSDB_SQL_SELECT] = tscProcessQueryRsp;
tscProcessMsgRsp[TSDB_SQL_FETCH] = tscProcessRetrieveRspFromNode;
tscProcessMsgRsp[TSDB_SQL_DROP_DB] = tscProcessDropDbRsp;
tscProcessMsgRsp[TSDB_SQL_DROP_TABLE] = tscProcessDropTableRsp;
tscProcessMsgRsp[TSDB_SQL_CONNECT] = tscProcessConnectRsp;
tscProcessMsgRsp[TSDB_SQL_USE_DB] = tscProcessUseDbRsp;
tscProcessMsgRsp[TSDB_SQL_META] = tscProcessTableMetaRsp;
tscProcessMsgRsp[TSDB_SQL_STABLEVGROUP] = tscProcessSTableVgroupRsp;
tscProcessMsgRsp[TSDB_SQL_MULTI_META] = tscProcessMultiMeterMetaRsp;
tscProcessMsgRsp[TSDB_SQL_SHOW] = tscProcessShowRsp;
tscProcessMsgRsp[TSDB_SQL_RETRIEVE] = tscProcessRetrieveRspFromNode; // rsp handled by same function.
tscProcessMsgRsp[TSDB_SQL_DESCRIBE_TABLE] = tscProcessDescribeTableRsp;
tscProcessMsgRsp[TSDB_SQL_CURRENT_DB] = tscProcessTagRetrieveRsp;
tscProcessMsgRsp[TSDB_SQL_CURRENT_USER] = tscProcessTagRetrieveRsp;
tscProcessMsgRsp[TSDB_SQL_SERV_VERSION] = tscProcessTagRetrieveRsp;
tscProcessMsgRsp[TSDB_SQL_CLI_VERSION] = tscProcessTagRetrieveRsp;
tscProcessMsgRsp[TSDB_SQL_SERV_STATUS] = tscProcessTagRetrieveRsp;
tscProcessMsgRsp[TSDB_SQL_RETRIEVE_EMPTY_RESULT] = tscProcessEmptyResultRsp;
tscProcessMsgRsp[TSDB_SQL_RETRIEVE_LOCALMERGE] = tscProcessRetrieveLocalMergeRsp;
tscProcessMsgRsp[TSDB_SQL_ALTER_TABLE] = tscProcessAlterTableMsgRsp;
tscProcessMsgRsp[TSDB_SQL_ALTER_DB] = tscProcessAlterDbMsgRsp;
tscKeepConn[TSDB_SQL_SHOW] = 1;
tscKeepConn[TSDB_SQL_RETRIEVE] = 1;
tscKeepConn[TSDB_SQL_SELECT] = 1;
tscKeepConn[TSDB_SQL_FETCH] = 1;
tscKeepConn[TSDB_SQL_HB] = 1;
}