homework-jianmu/source/client/src/clientStmt.c

49 lines
1.1 KiB
C

#include "clientInt.h"
#include "clientLog.h"
#include "tdef.h"
TAOS_STMT *stmtInit(TAOS *taos) {
STscObj* pObj = (STscObj*)taos;
STscStmt* pStmt = NULL;
#if 0
pStmt = taosMemoryCalloc(1, sizeof(STscStmt));
if (pStmt == NULL) {
terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
tscError("failed to allocate memory for statement");
return NULL;
}
pStmt->taos = pObj;
SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
if (pSql == NULL) {
free(pStmt);
terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
tscError("failed to allocate memory for statement");
return NULL;
}
if (TSDB_CODE_SUCCESS != tscAllocPayload(&pSql->cmd, TSDB_DEFAULT_PAYLOAD_SIZE)) {
free(pSql);
free(pStmt);
terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
tscError("failed to malloc payload buffer");
return NULL;
}
tsem_init(&pSql->rspSem, 0, 0);
pSql->signature = pSql;
pSql->pTscObj = pObj;
pSql->maxRetry = TSDB_MAX_REPLICA;
pStmt->pSql = pSql;
pStmt->last = STMT_INIT;
pStmt->numOfRows = 0;
registerSqlObj(pSql);
#endif
return pStmt;
}