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use sql to create stream instead of api

This commit is contained in:
Liu Jicong 2022-04-28 16:44:32 +08:00
parent f8be9820bc
commit 9063e480f1
3 changed files with 38 additions and 37 deletions
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5
example/src/tstream.c
View File

@ -78,9 +78,10 @@ int32_t create_stream() {
taos_free_result(pRes); taos_free_result(pRes);
/*const char* sql = "select min(k), max(k), sum(k) from tu1";*/ /*const char* sql = "select min(k), max(k), sum(k) from tu1";*/
const char* sql = "select min(k), max(k), sum(k) as sum_of_k from st1"; /*const char* sql = "select min(k), max(k), sum(k) as sum_of_k from st1";*/
/*const char* sql = "select sum(k) from tu1 interval(10m)";*/ /*const char* sql = "select sum(k) from tu1 interval(10m)";*/
pRes = tmq_create_stream(pConn, "stream1", "out1", sql); /*pRes = tmq_create_stream(pConn, "stream1", "out1", sql);*/
pRes = taos_query(pConn, "create stream stream1 as select min(k), max(k), sum(k) as sum_of_k from st1");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
printf("failed to create stream out1, reason:%s\n", taos_errstr(pRes)); printf("failed to create stream out1, reason:%s\n", taos_errstr(pRes));
return -1; return -1;

8
include/client/taos.h
View File

@ -86,9 +86,9 @@ typedef struct taosField {
} TAOS_FIELD; } TAOS_FIELD;
#ifdef WINDOWS #ifdef WINDOWS
#define DLL_EXPORT __declspec(dllexport) #define DLL_EXPORT __declspec(dllexport)
#else #else
#define DLL_EXPORT #define DLL_EXPORT
#endif #endif
typedef void (*__taos_async_fn_t)(void *param, TAOS_RES *, int code); typedef void (*__taos_async_fn_t)(void *param, TAOS_RES *, int code);
@ -271,10 +271,8 @@ DLL_EXPORT int64_t tmq_get_response_offset(tmq_message_t *message);
/* --------------------TMPORARY INTERFACE FOR TESTING--------------------- */ /* --------------------TMPORARY INTERFACE FOR TESTING--------------------- */
#if 0 #if 0
DLL_EXPORT TAOS_RES *tmq_create_topic(TAOS *taos, const char *name, const char *sql, int sqlLen); DLL_EXPORT TAOS_RES *tmq_create_topic(TAOS *taos, const char *name, const char *sql, int sqlLen);
#endif
DLL_EXPORT TAOS_RES *tmq_create_stream(TAOS *taos, const char *streamName, const char *tbName, const char *sql); DLL_EXPORT TAOS_RES *tmq_create_stream(TAOS *taos, const char *streamName, const char *tbName, const char *sql);
#endif
/* ------------------------------ TMQ END -------------------------------- */ /* ------------------------------ TMQ END -------------------------------- */
#if 1 // Shuduo: temporary enable for app build #if 1 // Shuduo: temporary enable for app build
typedef void (*TAOS_SUBSCRIBE_CALLBACK)(TAOS_SUB *tsub, TAOS_RES *res, void *param, int code); typedef void (*TAOS_SUBSCRIBE_CALLBACK)(TAOS_SUB *tsub, TAOS_RES *res, void *param, int code);

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

@ -693,6 +693,7 @@ void tmq_conf_set_offset_commit_cb(tmq_conf_t* conf, tmq_commit_cb* cb) {
conf->commitCb = cb; conf->commitCb = cb;
} }
#if 0
TAOS_RES* tmq_create_stream(TAOS* taos, const char* streamName, const char* tbName, const char* sql) { TAOS_RES* tmq_create_stream(TAOS* taos, const char* streamName, const char* tbName, const char* sql) {
STscObj* pTscObj = (STscObj*)taos; STscObj* pTscObj = (STscObj*)taos;
SRequestObj* pRequest = NULL; SRequestObj* pRequest = NULL;
@ -777,6 +778,7 @@ _return:
return pRequest; return pRequest;
} }
#endif
#if 0 #if 0
int32_t tmqGetSkipLogNum(tmq_message_t* tmq_message) { int32_t tmqGetSkipLogNum(tmq_message_t* tmq_message) {