use sql to create stream instead of api

example/src/tstream.c

@@ -78,9 +78,10 @@ int32_t create_stream() {
   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) 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)";*/
-  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) {
     printf("failed to create stream out1, reason:%s\n", taos_errstr(pRes));
     return -1;

include/client/taos.h

@@ -86,9 +86,9 @@ typedef struct taosField {
 } TAOS_FIELD;
 
 #ifdef WINDOWS
-  #define DLL_EXPORT    __declspec(dllexport)
+#define DLL_EXPORT __declspec(dllexport)
 #else
-  #define DLL_EXPORT 
+#define DLL_EXPORT
 #endif
 
 typedef void (*__taos_async_fn_t)(void *param, TAOS_RES *, int code);
@@ -123,42 +123,42 @@ DLL_EXPORT int        taos_options(TSDB_OPTION option, const void *arg, ...);
 DLL_EXPORT setConfRet taos_set_config(const char *config);
 DLL_EXPORT int        taos_init(void);
 DLL_EXPORT TAOS      *taos_connect(const char *ip, const char *user, const char *pass, const char *db, uint16_t port);
-DLL_EXPORT TAOS      *taos_connect_l(const char *ip, int ipLen, const char *user, int userLen, const char *pass, int passLen,
+DLL_EXPORT TAOS *taos_connect_l(const char *ip, int ipLen, const char *user, int userLen, const char *pass, int passLen,
                                 const char *db, int dbLen, uint16_t port);
-DLL_EXPORT TAOS      *taos_connect_auth(const char *ip, const char *user, const char *auth, const char *db, uint16_t port);
-DLL_EXPORT void       taos_close(TAOS *taos);
-
-const char            *taos_data_type(int type);
-
-DLL_EXPORT TAOS_STMT  *taos_stmt_init(TAOS *taos);
-DLL_EXPORT int         taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length);
-DLL_EXPORT int         taos_stmt_set_tbname_tags(TAOS_STMT *stmt, const char *name, TAOS_MULTI_BIND *tags);
-DLL_EXPORT int         taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name);
-DLL_EXPORT int         taos_stmt_set_sub_tbname(TAOS_STMT *stmt, const char *name);
-
-DLL_EXPORT int         taos_stmt_is_insert(TAOS_STMT *stmt, int *insert);
-DLL_EXPORT int         taos_stmt_num_params(TAOS_STMT *stmt, int *nums);
-DLL_EXPORT int         taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes);
-DLL_EXPORT int         taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind);
-DLL_EXPORT int         taos_stmt_bind_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind);
-DLL_EXPORT int         taos_stmt_bind_single_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int colIdx);
-DLL_EXPORT int         taos_stmt_add_batch(TAOS_STMT *stmt);
-DLL_EXPORT int         taos_stmt_execute(TAOS_STMT *stmt);
-DLL_EXPORT TAOS_RES   *taos_stmt_use_result(TAOS_STMT *stmt);
-DLL_EXPORT int         taos_stmt_close(TAOS_STMT *stmt);
-DLL_EXPORT char       *taos_stmt_errstr(TAOS_STMT *stmt);
-DLL_EXPORT int         taos_stmt_affected_rows(TAOS_STMT *stmt);
-DLL_EXPORT int         taos_stmt_affected_rows_once(TAOS_STMT *stmt);
-
-DLL_EXPORT TAOS_RES   *taos_query(TAOS *taos, const char *sql);
-DLL_EXPORT TAOS_RES   *taos_query_l(TAOS *taos, const char *sql, int sqlLen);
-
-DLL_EXPORT TAOS_ROW    taos_fetch_row(TAOS_RES *res);
-DLL_EXPORT int         taos_result_precision(TAOS_RES *res);  // get the time precision of result
-DLL_EXPORT void        taos_free_result(TAOS_RES *res);
-DLL_EXPORT int         taos_field_count(TAOS_RES *res);
-DLL_EXPORT int         taos_num_fields(TAOS_RES *res);
-DLL_EXPORT int         taos_affected_rows(TAOS_RES *res);
+DLL_EXPORT TAOS *taos_connect_auth(const char *ip, const char *user, const char *auth, const char *db, uint16_t port);
+DLL_EXPORT void  taos_close(TAOS *taos);
+
+const char *taos_data_type(int type);
+
+DLL_EXPORT TAOS_STMT *taos_stmt_init(TAOS *taos);
+DLL_EXPORT int        taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length);
+DLL_EXPORT int        taos_stmt_set_tbname_tags(TAOS_STMT *stmt, const char *name, TAOS_MULTI_BIND *tags);
+DLL_EXPORT int        taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name);
+DLL_EXPORT int        taos_stmt_set_sub_tbname(TAOS_STMT *stmt, const char *name);
+
+DLL_EXPORT int       taos_stmt_is_insert(TAOS_STMT *stmt, int *insert);
+DLL_EXPORT int       taos_stmt_num_params(TAOS_STMT *stmt, int *nums);
+DLL_EXPORT int       taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes);
+DLL_EXPORT int       taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind);
+DLL_EXPORT int       taos_stmt_bind_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind);
+DLL_EXPORT int       taos_stmt_bind_single_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int colIdx);
+DLL_EXPORT int       taos_stmt_add_batch(TAOS_STMT *stmt);
+DLL_EXPORT int       taos_stmt_execute(TAOS_STMT *stmt);
+DLL_EXPORT TAOS_RES *taos_stmt_use_result(TAOS_STMT *stmt);
+DLL_EXPORT int       taos_stmt_close(TAOS_STMT *stmt);
+DLL_EXPORT char     *taos_stmt_errstr(TAOS_STMT *stmt);
+DLL_EXPORT int       taos_stmt_affected_rows(TAOS_STMT *stmt);
+DLL_EXPORT int       taos_stmt_affected_rows_once(TAOS_STMT *stmt);
+
+DLL_EXPORT TAOS_RES *taos_query(TAOS *taos, const char *sql);
+DLL_EXPORT TAOS_RES *taos_query_l(TAOS *taos, const char *sql, int sqlLen);
+
+DLL_EXPORT TAOS_ROW taos_fetch_row(TAOS_RES *res);
+DLL_EXPORT int      taos_result_precision(TAOS_RES *res);  // get the time precision of result
+DLL_EXPORT void     taos_free_result(TAOS_RES *res);
+DLL_EXPORT int      taos_field_count(TAOS_RES *res);
+DLL_EXPORT int      taos_num_fields(TAOS_RES *res);
+DLL_EXPORT int      taos_affected_rows(TAOS_RES *res);
 
 DLL_EXPORT TAOS_FIELD *taos_fetch_fields(TAOS_RES *res);
 DLL_EXPORT int         taos_select_db(TAOS *taos, const char *db);
@@ -271,10 +271,8 @@ DLL_EXPORT int64_t     tmq_get_response_offset(tmq_message_t *message);
 /* --------------------TMPORARY INTERFACE FOR TESTING--------------------- */
 #if 0
 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);
-
+#endif
 /* ------------------------------ TMQ END -------------------------------- */
 #if 1  // Shuduo: temporary enable for app build
 typedef void (*TAOS_SUBSCRIBE_CALLBACK)(TAOS_SUB *tsub, TAOS_RES *res, void *param, int code);

source/client/src/tmq.c

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