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TDengine

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Star 22016
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T
TDengine
提交 bc6a466b 编写于 作者: L Liu Jicong
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refactor TAOS_RES process

上级 6a734a74
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Showing with 215 addition and 158 deletion
include/common/tdatablock.h
浏览文件 @ bc6a466b
......@@ -136,7 +136,8 @@ static FORCE_INLINE void colDataAppendInt8(SColumnInfoData* pColumnInfoData, uin
}
static FORCE_INLINE void colDataAppendInt16(SColumnInfoData* pColumnInfoData, uint32_t currentRow, int16_t* v) {
ASSERT(pColumnInfoData->info.type == TSDB_DATA_TYPE_SMALLINT || pColumnInfoData->info.type == TSDB_DATA_TYPE_USMALLINT);
ASSERT(pColumnInfoData->info.type == TSDB_DATA_TYPE_SMALLINT ||
pColumnInfoData->info.type == TSDB_DATA_TYPE_USMALLINT);
char* p = pColumnInfoData->pData + pColumnInfoData->info.bytes * currentRow;
*(int16_t*)p = *(int16_t*)v;
}
......@@ -210,15 +211,19 @@ SSDataBlock* createOneDataBlock(const SSDataBlock* pDataBlock);
void blockDebugShowData(const SArray* dataBlocks);
static FORCE_INLINE int32_t blockEstimateEncodeSize(const SSDataBlock* pBlock) {
return blockDataGetSerialMetaSize(pBlock) + (int32_t)ceil(blockDataGetSerialRowSize(pBlock) * pBlock->info.rows);
}
static FORCE_INLINE int32_t blockCompressColData(SColumnInfoData* pColRes, int32_t numOfRows, char* data,
int8_t compressed) {
int8_t compressed) {
int32_t colSize = colDataGetLength(pColRes, numOfRows);
return (*(tDataTypes[pColRes->info.type].compFunc))(pColRes->pData, colSize, numOfRows, data,
colSize + COMP_OVERFLOW_BYTES, compressed, NULL, 0);
}
static FORCE_INLINE void blockCompressEncode(const SSDataBlock* pBlock, char* data, int32_t* dataLen, int32_t numOfCols,
int8_t needCompress) {
int8_t needCompress) {
int32_t* colSizes = (int32_t*)data;
data += numOfCols * sizeof(int32_t);
......
source/client/inc/clientInt.h
浏览文件 @ bc6a466b
......@@ -75,12 +75,12 @@ typedef int32_t (*FHbReqHandle)(SClientHbKey* connKey, void* param, SClientHbReq
typedef struct {
int8_t inited;
// ctl
int8_t threadStop;
TdThread thread;
int8_t threadStop;
TdThread thread;
TdThreadMutex lock; // used when app init and cleanup
SArray* appHbMgrs; // SArray<SAppHbMgr*> one for each cluster
FHbReqHandle reqHandle[HEARTBEAT_TYPE_MAX];
FHbRspHandle rspHandle[HEARTBEAT_TYPE_MAX];
SArray* appHbMgrs; // SArray<SAppHbMgr*> one for each cluster
FHbReqHandle reqHandle[HEARTBEAT_TYPE_MAX];
FHbRspHandle rspHandle[HEARTBEAT_TYPE_MAX];
} SClientHbMgr;
typedef struct SQueryExecMetric {
......@@ -118,42 +118,42 @@ struct SAppInstInfo {
};
typedef struct SAppInfo {
int64_t startTime;
char appName[TSDB_APP_NAME_LEN];
char* ep;
int32_t pid;
int32_t numOfThreads;
SHashObj* pInstMap;
int64_t startTime;
char appName[TSDB_APP_NAME_LEN];
char* ep;
int32_t pid;
int32_t numOfThreads;
SHashObj* pInstMap;
TdThreadMutex mutex;
} SAppInfo;
typedef struct STscObj {
char user[TSDB_USER_LEN];
char pass[TSDB_PASSWORD_LEN];
char db[TSDB_DB_FNAME_LEN];
char ver[128];
int32_t acctId;
uint32_t connId;
int32_t connType;
uint64_t id; // ref ID returned by taosAddRef
TdThreadMutex mutex; // used to protect the operation on db
int32_t numOfReqs; // number of sqlObj bound to this connection
SAppInstInfo* pAppInfo;
char user[TSDB_USER_LEN];
char pass[TSDB_PASSWORD_LEN];
char db[TSDB_DB_FNAME_LEN];
char ver[128];
int32_t acctId;
uint32_t connId;
int32_t connType;
uint64_t id; // ref ID returned by taosAddRef
TdThreadMutex mutex; // used to protect the operation on db
int32_t numOfReqs; // number of sqlObj bound to this connection
SAppInstInfo* pAppInfo;
} STscObj;
typedef struct SResultColumn {
union {
char* nullbitmap; // bitmap, one bit for each item in the list
int32_t* offset;
char* nullbitmap; // bitmap, one bit for each item in the list
int32_t* offset;
};
char* pData;
char* pData;
} SResultColumn;
typedef struct SReqResultInfo {
const char* pRspMsg;
const char* pData;
TAOS_FIELD* fields; // todo, column names are not needed.
TAOS_FIELD* userFields; // the fields info that return to user
TAOS_FIELD* fields; // todo, column names are not needed.
TAOS_FIELD* userFields; // the fields info that return to user
uint32_t numOfCols;
int32_t* length;
char** convertBuf;
......@@ -180,13 +180,31 @@ typedef struct SRequestSendRecvBody {
SShowReqInfo showInfo; // todo this attribute will be removed after the query framework being completed.
SDataBuf requestMsg;
int64_t queryJob; // query job, created according to sql query DAG.
struct SQueryPlan* pDag; // the query dag, generated according to the sql statement.
struct SQueryPlan* pDag; // the query dag, generated according to the sql statement.
SReqResultInfo resInfo;
} SRequestSendRecvBody;
#define ERROR_MSG_BUF_DEFAULT_SIZE 512
enum {
RES_TYPE__QUERY = 1,
RES_TYPE__TMQ,
};
#define TD_RES_QUERY(res) (*(int8_t*)res == RES_TYPE__QUERY)
#define TD_RES_TMQ(res) (*(int8_t*)res == RES_TYPE__TMQ)
struct tmq_message_t {
int8_t resType;
SMqPollRsp msg;
char* topic;
void* vg;
SArray* res; // SArray<SReqResultInfo>
int32_t resIter;
};
typedef struct SRequestObj {
int8_t resType; // query or tmq
uint64_t requestId;
int32_t type; // request type
STscObj* pTscObj;
......@@ -203,6 +221,25 @@ typedef struct SRequestObj {
SRequestSendRecvBody body;
} SRequestObj;
static FORCE_INLINE SReqResultInfo* tmqGetCurResInfo(TAOS_RES* res) {
tmq_message_t* msg = (tmq_message_t*)res;
int32_t resIter = msg->resIter == -1 ? 0 : msg->resIter;
return (SReqResultInfo*)taosArrayGet(msg->res, resIter);
}
static FORCE_INLINE SReqResultInfo* tmqGetNextResInfo(TAOS_RES* res) {
tmq_message_t* msg = (tmq_message_t*)res;
if (++msg->resIter < taosArrayGetSize(msg->res)) {
return (SReqResultInfo*)taosArrayGet(msg->res, msg->resIter);
}
return NULL;
}
static FORCE_INLINE SReqResultInfo* tscGetCurResInfo(TAOS_RES* res) {
if (TD_RES_QUERY(res)) return &(((SRequestObj*)res)->body.resInfo);
return tmqGetCurResInfo(res);
}
extern SAppInfo appInfo;
extern int32_t clientReqRefPool;
extern int32_t clientConnRefPool;
......@@ -238,14 +275,17 @@ void initMsgHandleFp();
TAOS* taos_connect_internal(const char* ip, const char* user, const char* pass, const char* auth, const char* db,
uint16_t port);
void* doFetchRow(SRequestObj* pRequest, bool setupOneRowPtr);
int32_t parseSql(SRequestObj* pRequest, bool topicQuery, SQuery** pQuery);
int32_t setResultDataPtr(SReqResultInfo* pResultInfo, TAOS_FIELD* pFields, int32_t numOfCols, int32_t numOfRows);
int32_t getPlan(SRequestObj* pRequest, SQuery* pQuery, SQueryPlan** pPlan, SArray* pNodeList);
int32_t buildRequest(STscObj* pTscObj, const char* sql, int sqlLen, SRequestObj** pRequest);
int32_t parseSql(SRequestObj* pRequest, bool topicQuery, SQuery** pQuery);
int32_t getPlan(SRequestObj* pRequest, SQuery* pQuery, SQueryPlan** pPlan, SArray* pNodeList);
void* doFetchRow(SRequestObj* pRequest, bool setupOneRowPtr);
void doSetOneRowPtr(SReqResultInfo* pResultInfo);
int32_t setResultDataPtr(SReqResultInfo* pResultInfo, TAOS_FIELD* pFields, int32_t numOfCols, int32_t numOfRows);
void setResSchemaInfo(SReqResultInfo* pResInfo, const SSchema* pSchema, int32_t numOfCols);
int32_t setQueryResultFromRsp(SReqResultInfo* pResultInfo, const SRetrieveTableRsp* pRsp);
// --- heartbeat
// global, called by mgmt
......
source/client/src/clientEnv.c
浏览文件 @ bc6a466b
......@@ -149,6 +149,7 @@ void *createRequest(STscObj *pObj, __taos_async_fn_t fp, void *param, int32_t ty
return NULL;
}
pRequest->resType = RES_TYPE__QUERY;
pRequest->pDb = getDbOfConnection(pObj);
pRequest->requestId = generateRequestId();
pRequest->metric.start = taosGetTimestampMs();
......
source/client/src/clientImpl.c
浏览文件 @ bc6a466b
......@@ -13,7 +13,6 @@
static int32_t initEpSetFromCfg(const char* firstEp, const char* secondEp, SCorEpSet* pEpSet);
static SMsgSendInfo* buildConnectMsg(SRequestObj* pRequest);
static void destroySendMsgInfo(SMsgSendInfo* pMsgBody);
static int32_t setQueryResultFromRsp(SReqResultInfo* pResultInfo, const SRetrieveTableRsp* pRsp);
static bool stringLengthCheck(const char* str, size_t maxsize) {
if (str == NULL) {
......@@ -42,7 +41,7 @@ static char* getClusterKey(const char* user, const char* auth, const char* ip, i
static STscObj* taosConnectImpl(const char* user, const char* auth, const char* db, __taos_async_fn_t fp, void* param,
SAppInstInfo* pAppInfo);
static void setResSchemaInfo(SReqResultInfo* pResInfo, const SSchema* pSchema, int32_t numOfCols);
TAOS* taos_connect_internal(const char* ip, const char* user, const char* pass, const char* auth, const char* db,
uint16_t port) {
......@@ -590,7 +589,7 @@ TAOS* taos_connect_l(const char* ip, int ipLen, const char* user, int userLen, c
return taos_connect(ipStr, userStr, passStr, dbStr, port);
}
static void doSetOneRowPtr(SReqResultInfo* pResultInfo) {
void doSetOneRowPtr(SReqResultInfo* pResultInfo) {
for (int32_t i = 0; i < pResultInfo->numOfCols; ++i) {
SResultColumn* pCol = &pResultInfo->pCol[i];
......
source/client/src/clientMain.c
浏览文件 @ bc6a466b
......@@ -71,7 +71,7 @@ void taos_cleanup(void) {
tscInfo("all local resources released");
}
setConfRet taos_set_config(const char *config) {
setConfRet taos_set_config(const char *config) {
// TODO
setConfRet ret = {SET_CONF_RET_SUCC, {0}};
return ret;
......@@ -133,8 +133,7 @@ int taos_field_count(TAOS_RES *res) {
return 0;
}
SRequestObj *pRequest = (SRequestObj *)res;
SReqResultInfo *pResInfo = &pRequest->body.resInfo;
SReqResultInfo *pResInfo = tscGetCurResInfo(res);
return pResInfo->numOfCols;
}
......@@ -145,7 +144,7 @@ TAOS_FIELD *taos_fetch_fields(TAOS_RES *res) {
return NULL;
}
SReqResultInfo *pResInfo = &(((SRequestObj *)res)->body.resInfo);
SReqResultInfo *pResInfo = tscGetCurResInfo(res);
return pResInfo->userFields;
}
......@@ -162,13 +161,36 @@ TAOS_ROW taos_fetch_row(TAOS_RES *res) {
return NULL;
}
SRequestObj *pRequest = (SRequestObj *)res;
if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT || pRequest->type == TSDB_SQL_INSERT ||
pRequest->code != TSDB_CODE_SUCCESS || taos_num_fields(res) == 0) {
return NULL;
}
if (TD_RES_QUERY(res)) {
SRequestObj *pRequest = (SRequestObj *)res;
if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT || pRequest->type == TSDB_SQL_INSERT ||
pRequest->code != TSDB_CODE_SUCCESS || taos_num_fields(res) == 0) {
return NULL;
}
return doFetchRow(pRequest, true);
} else if (TD_RES_TMQ(res)) {
tmq_message_t *msg = ((tmq_message_t *)res);
SReqResultInfo *pResultInfo = taosArrayGet(msg->res, msg->resIter);
doSetOneRowPtr(pResultInfo);
pResultInfo->current += 1;
return doFetchRow(pRequest, true);
if (pResultInfo->row == NULL) {
msg->resIter++;
pResultInfo = taosArrayGet(msg->res, msg->resIter);
doSetOneRowPtr(pResultInfo);
pResultInfo->current += 1;
}
return pResultInfo->row;
} else {
// assert to avoid uninitialization error
ASSERT(0);
}
return NULL;
}
int taos_print_row(char *str, TAOS_ROW row, TAOS_FIELD *fields, int num_fields) {
......@@ -260,12 +282,12 @@ int *taos_fetch_lengths(TAOS_RES *res) {
return NULL;
}
return ((SRequestObj *)res)->body.resInfo.length;
SReqResultInfo *pResInfo = tscGetCurResInfo(res);
return pResInfo->length;
}
TAOS_ROW *taos_result_block(TAOS_RES *res) {
SRequestObj* pRequest = (SRequestObj*) res;
if (pRequest == NULL) {
if (res == NULL) {
terrno = TSDB_CODE_INVALID_PARA;
return NULL;
}
......@@ -274,7 +296,8 @@ TAOS_ROW *taos_result_block(TAOS_RES *res) {
return NULL;
}
return &pRequest->body.resInfo.row;
SReqResultInfo *pResInfo = tscGetCurResInfo(res);
return &pResInfo->row;
}
// todo intergrate with tDataTypes
......@@ -313,7 +336,7 @@ const char *taos_data_type(int type) {
const char *taos_get_client_info() { return version; }
int taos_affected_rows(TAOS_RES *res) {
if (res == NULL) {
if (res == NULL || TD_RES_TMQ(res)) {
return 0;
}
......@@ -323,12 +346,17 @@ int taos_affected_rows(TAOS_RES *res) {
}
int taos_result_precision(TAOS_RES *res) {
SRequestObj* pRequest = (SRequestObj*) res;
if (pRequest == NULL) {
if (res == NULL) {
return TSDB_TIME_PRECISION_MILLI;
}
return pRequest->body.resInfo.precision;
if (TD_RES_QUERY(res)) {
SRequestObj *pRequest = (SRequestObj *)res;
return pRequest->body.resInfo.precision;
} else if (TD_RES_TMQ(res)) {
SReqResultInfo *info = tmqGetCurResInfo(res);
return info->precision;
}
return TSDB_TIME_PRECISION_MILLI;
}
int taos_select_db(TAOS *taos, const char *db) {
......@@ -370,90 +398,115 @@ void taos_stop_query(TAOS_RES *res) {
}
bool taos_is_null(TAOS_RES *res, int32_t row, int32_t col) {
SRequestObj *pRequestObj = res;
SReqResultInfo *pResultInfo = &pRequestObj->body.resInfo;
SReqResultInfo *pResultInfo = tscGetCurResInfo(res);
if (col >= pResultInfo->numOfCols || col < 0 || row >= pResultInfo->numOfRows || row < 0) {
return true;
}
SResultColumn *pCol = &pRequestObj->body.resInfo.pCol[col];
SResultColumn *pCol = &pResultInfo->pCol[col];
return colDataIsNull_f(pCol->nullbitmap, row);
}
bool taos_is_update_query(TAOS_RES *res) {
return taos_num_fields(res) == 0;
}
bool taos_is_update_query(TAOS_RES *res) { return taos_num_fields(res) == 0; }
int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows) {
int32_t numOfRows = 0;
/*int32_t code = */taos_fetch_block_s(res, &numOfRows, rows);
/*int32_t code = */ taos_fetch_block_s(res, &numOfRows, rows);
return numOfRows;
}
int taos_fetch_block_s(TAOS_RES *res, int* numOfRows, TAOS_ROW *rows) {
SRequestObj *pRequest = (SRequestObj *)res;
if (pRequest == NULL) {
int taos_fetch_block_s(TAOS_RES *res, int *numOfRows, TAOS_ROW *rows) {
if (res == NULL) {
return 0;
}
if (TD_RES_QUERY(res)) {
SRequestObj *pRequest = (SRequestObj *)res;
(*rows) = NULL;
(*numOfRows) = 0;
(*rows) = NULL;
(*numOfRows) = 0;
if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT || pRequest->type == TSDB_SQL_INSERT ||
pRequest->code != TSDB_CODE_SUCCESS || taos_num_fields(res) == 0) {
return 0;
}
if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT || pRequest->type == TSDB_SQL_INSERT ||
pRequest->code != TSDB_CODE_SUCCESS || taos_num_fields(res) == 0) {
return 0;
}
doFetchRow(pRequest, false);
doFetchRow(pRequest, false);
// TODO refactor
SReqResultInfo *pResultInfo = &pRequest->body.resInfo;
pResultInfo->current = pResultInfo->numOfRows;
// TODO refactor
SReqResultInfo *pResultInfo = &pRequest->body.resInfo;
pResultInfo->current = pResultInfo->numOfRows;
(*rows) = pResultInfo->row;
(*numOfRows) = pResultInfo->numOfRows;
return pRequest->code;
}
(*rows) = pResultInfo->row;
(*numOfRows) = pResultInfo->numOfRows;
return pRequest->code;
} else if (TD_RES_TMQ(res)) {
SReqResultInfo *pResultInfo = tmqGetNextResInfo(res);
if (pResultInfo == NULL) return -1;
int taos_fetch_raw_block(TAOS_RES *res, int* numOfRows, void** pData) {
SRequestObj *pRequest = (SRequestObj *)res;
if (pRequest == NULL) {
pResultInfo->current = pResultInfo->numOfRows;
(*rows) = pResultInfo->row;
(*numOfRows) = pResultInfo->numOfRows;
return 0;
} else {
ASSERT(0);
return -1;
}
}
if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT || pRequest->type == TSDB_SQL_INSERT ||
pRequest->code != TSDB_CODE_SUCCESS || taos_num_fields(res) == 0) {
int taos_fetch_raw_block(TAOS_RES *res, int *numOfRows, void **pData) {
if (res == NULL) {
return 0;
}
if (TD_RES_QUERY(res)) {
SRequestObj *pRequest = (SRequestObj *)res;
doFetchRow(pRequest, false);
if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT || pRequest->type == TSDB_SQL_INSERT ||
pRequest->code != TSDB_CODE_SUCCESS || taos_num_fields(res) == 0) {
return 0;
}
doFetchRow(pRequest, false);
SReqResultInfo *pResultInfo = &pRequest->body.resInfo;
SReqResultInfo *pResultInfo = &pRequest->body.resInfo;
pResultInfo->current = pResultInfo->numOfRows;
(*numOfRows) = pResultInfo->numOfRows;
(*pData) = (void *)pResultInfo->pData;
return 0;
pResultInfo->current = pResultInfo->numOfRows;
(*numOfRows) = pResultInfo->numOfRows;
(*pData) = (void*) pResultInfo->pData;
} else if (TD_RES_TMQ(res)) {
SReqResultInfo *pResultInfo = tmqGetNextResInfo(res);
if (pResultInfo == NULL) return -1;
return 0;
pResultInfo->current = pResultInfo->numOfRows;
(*numOfRows) = pResultInfo->numOfRows;
(*pData) = (void *)pResultInfo->pData;
return 0;
} else {
ASSERT(0);
return -1;
}
}
int *taos_get_column_data_offset(TAOS_RES *res, int columnIndex) {
SRequestObj *pRequest = (SRequestObj *)res;
if (pRequest == NULL) {
if (res == NULL) {
return 0;
}
int32_t numOfFields = taos_num_fields(pRequest);
int32_t numOfFields = taos_num_fields(res);
if (columnIndex < 0 || columnIndex >= numOfFields || numOfFields == 0) {
return 0;
}
TAOS_FIELD* pField = &pRequest->body.resInfo.userFields[columnIndex];
SReqResultInfo *pResInfo = tscGetCurResInfo(res);
TAOS_FIELD *pField = &pResInfo->userFields[columnIndex];
if (!IS_VAR_DATA_TYPE(pField->type)) {
return 0;
}
return pRequest->body.resInfo.pCol[columnIndex].offset;
return pResInfo->pCol[columnIndex].offset;
}
int taos_validate_sql(TAOS *taos, const char *sql) { return true; }
......@@ -483,18 +536,19 @@ void taos_fetch_rows_a(TAOS_RES *res, __taos_async_fn_t fp, void *param) {
// TODO
}
TAOS_SUB *taos_subscribe(TAOS *taos, int restart, const char* topic, const char *sql, TAOS_SUBSCRIBE_CALLBACK fp, void *param, int interval) {
// TODO
return NULL;
TAOS_SUB *taos_subscribe(TAOS *taos, int restart, const char *topic, const char *sql, TAOS_SUBSCRIBE_CALLBACK fp,
void *param, int interval) {
// TODO
return NULL;
}
TAOS_RES *taos_consume(TAOS_SUB *tsub) {
// TODO
return NULL;
// TODO
return NULL;
}
void taos_unsubscribe(TAOS_SUB *tsub, int keepProgress) {
// TODO
// TODO
}
int taos_load_table_info(TAOS *taos, const char *tableNameList) {
......@@ -553,26 +607,26 @@ int taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name) {
}
int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert) {
// TODO
return -1;
// TODO
return -1;
}
int taos_stmt_num_params(TAOS_STMT *stmt, int *nums) {
// TODO
return -1;
// TODO
return -1;
}
int taos_stmt_add_batch(TAOS_STMT* stmt) {
// TODO
return -1;
int taos_stmt_add_batch(TAOS_STMT *stmt) {
// TODO
return -1;
}
TAOS_RES *taos_stmt_use_result(TAOS_STMT *stmt) {
// TODO
return NULL;
// TODO
return NULL;
}
int taos_stmt_bind_param_batch(TAOS_STMT* stmt, TAOS_MULTI_BIND* bind) {
// TODO
return -1;
int taos_stmt_bind_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind) {
// TODO
return -1;
}
source/client/src/tmq.c
浏览文件 @ bc6a466b
......@@ -17,27 +17,13 @@
#include "clientLog.h"
#include "parser.h"
#include "planner.h"
#include "scheduler.h"
#include "tdatablock.h"
#include "tdef.h"
#include "tglobal.h"
#include "tmsgtype.h"
#include "tpagedbuf.h"
#include "tqueue.h"
#include "tref.h"
typedef struct {
int32_t curBlock;
int32_t curRow;
void** uData;
} SMqRowIter;
struct tmq_message_t {
SMqPollRsp msg;
void* vg;
SMqRowIter iter;
};
struct tmq_list_t {
SArray container;
};
......@@ -1566,30 +1552,4 @@ const char* tmq_err2str(tmq_resp_err_t err) {
return "fail";
}
TAOS_ROW tmq_get_row(tmq_message_t* message) {
SMqPollRsp* rsp = &message->msg;
while (1) {
if (message->iter.curBlock < taosArrayGetSize(rsp->pBlockData)) {
SSDataBlock* pBlock = taosArrayGet(rsp->pBlockData, message->iter.curBlock);
if (message->iter.curRow < pBlock->info.rows) {
for (int i = 0; i < pBlock->info.numOfCols; i++) {
SColumnInfoData* pData = taosArrayGet(pBlock->pDataBlock, i);
if (colDataIsNull_s(pData, message->iter.curRow))
message->iter.uData[i] = NULL;
else {
message->iter.uData[i] = colDataGetData(pData, message->iter.curRow);
}
}
message->iter.curRow++;
return message->iter.uData;
} else {
message->iter.curBlock++;
message->iter.curRow = 0;
continue;
}
}
return NULL;
}
}
char* tmq_get_topic_name(tmq_message_t* message) { return "not implemented yet"; }
source/libs/executor/src/dataDispatcher.c
浏览文件 @ bc6a466b
......@@ -92,9 +92,7 @@ static bool allocBuf(SDataDispatchHandle* pDispatcher, const SInputData* pInput,
return false;
}
// NOTE: there are four bytes of an integer more than the required buffer space.
// struct size + data payload + length for each column + bitmap length
pBuf->allocSize = sizeof(SRetrieveTableRsp) + blockDataGetSerialMetaSize(pInput->pData) + blockDataGetSize(pInput->pData);
pBuf->allocSize = sizeof(SRetrieveTableRsp) + blockEstimateEncodeSize(pInput->pData);
pBuf->pData = taosMemoryMalloc(pBuf->allocSize);
if (pBuf->pData == NULL) {
......
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