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Merge pull request #5325 from taosdata/feature/TD-3144 

[TD-3144]add new query API to return sqlobj
This commit is contained in:
haojun Liao 2021-03-05 10:17:51 +08:00 committed by GitHub
parent 7fa2655d35 1488c1e7fc
commit e7bb07d323
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 3 deletions
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2
src/client/inc/tsclient.h
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@ -442,6 +442,8 @@ void tscCloseTscObj(void *pObj);
TAOS *taos_connect_a(char *ip, char *user, char *pass, char *db, uint16_t port, void (*fp)(void *, TAOS_RES *, int),
void *param, TAOS **taos);
TAOS_RES* taos_query_h(TAOS* taos, const char *sqlstr, int64_t* res);
TAOS_RES * taos_query_ra(TAOS *taos, const char *sqlstr, __async_cb_func_t fp, void *param);
void waitForQueryRsp(void *param, TAOS_RES *tres, int code);
void doAsyncQuery(STscObj *pObj, SSqlObj *pSql, __async_cb_func_t fp, void *param, const char *sqlstr, size_t sqlLen);

13
src/client/src/tscAsync.c
View File

@ -74,12 +74,16 @@ void doAsyncQuery(STscObj* pObj, SSqlObj* pSql, __async_cb_func_t fp, void* para
// TODO return the correct error code to client in tscQueueAsyncError
void taos_query_a(TAOS *taos, const char *sqlstr, __async_cb_func_t fp, void *param) {
taos_query_ra(taos, sqlstr, fp, param);
}
TAOS_RES * taos_query_ra(TAOS *taos, const char *sqlstr, __async_cb_func_t fp, void *param) {
STscObj *pObj = (STscObj *)taos;
if (pObj == NULL || pObj->signature != pObj) {
tscError("bug!!! pObj:%p", pObj);
terrno = TSDB_CODE_TSC_DISCONNECTED;
tscQueueAsyncError(fp, param, TSDB_CODE_TSC_DISCONNECTED);
return;
return NULL;
}
int32_t sqlLen = (int32_t)strlen(sqlstr);
@ -87,7 +91,7 @@ void taos_query_a(TAOS *taos, const char *sqlstr, __async_cb_func_t fp, void *pa
tscError("sql string exceeds max length:%d", tsMaxSQLStringLen);
terrno = TSDB_CODE_TSC_EXCEED_SQL_LIMIT;
tscQueueAsyncError(fp, param, terrno);
return;
return NULL;
}
nPrintTsc("%s", sqlstr);
@ -96,12 +100,15 @@ void taos_query_a(TAOS *taos, const char *sqlstr, __async_cb_func_t fp, void *pa
if (pSql == NULL) {
tscError("failed to malloc sqlObj");
tscQueueAsyncError(fp, param, TSDB_CODE_TSC_OUT_OF_MEMORY);
return;
return NULL;
}
doAsyncQuery(pObj, pSql, fp, param, sqlstr, sqlLen);
return pSql;
}
static void tscAsyncFetchRowsProxy(void *param, TAOS_RES *tres, int numOfRows) {
if (tres == NULL) {
return;