stmt2/async: new flag semWaited for the current batch

This commit is contained in:
Minglei Jin 2024-09-12 15:17:09 +08:00
parent 9ad2b9d96a
commit e7cfe21e72
3 changed files with 8 additions and 5 deletions

View File

@ -150,10 +150,10 @@ typedef struct {
SStmtExecInfo exec;
SStmtBindInfo bInfo;
int64_t reqid;
int32_t errCode;
tsem_t asyncQuerySem;
int64_t reqid;
int32_t errCode;
tsem_t asyncQuerySem;
bool semWaited;
SStmtStatInfo stat;
} STscStmt2;
/*

View File

@ -1984,8 +1984,9 @@ int taos_stmt2_bind_param(TAOS_STMT2 *stmt, TAOS_STMT2_BINDV *bindv, int32_t col
}
STscStmt2 *pStmt = (STscStmt2 *)stmt;
if (pStmt->options.asyncExecFn) {
if (pStmt->options.asyncExecFn && !pStmt->semWaited) {
(void)tsem_wait(&pStmt->asyncQuerySem);
pStmt->semWaited = true;
}
int32_t code = 0;

View File

@ -819,6 +819,7 @@ TAOS_STMT2* stmtInit2(STscObj* taos, TAOS_STMT2_OPTION* pOptions) {
if (pStmt->options.asyncExecFn) {
(void)tsem_init(&pStmt->asyncQuerySem, 0, 1);
}
pStmt->semWaited = false;
STMT_LOG_SEQ(STMT_INIT);
@ -1678,6 +1679,7 @@ int stmtExec2(TAOS_STMT2* stmt, int* affected_rows) {
pRequest->body.queryFp = asyncQueryCb;
((SSyncQueryParam*)(pRequest)->body.interParam)->userParam = pStmt;
pStmt->semWaited = false;
launchAsyncQuery(pRequest, pStmt->sql.pQuery, NULL, pWrapper);
}