int main(void)
{
OCI_Connection *cn;
OCI_Statement *st;
OCI_Resultset *rs;
char rowid[OCI_SIZE_ROWID + 1] = "";
if (!OCI_Initialize(err_handler, NULL, OCI_ENV_DEFAULT))
{
return EXIT_FAILURE;
}
cn = OCI_ConnectionCreate("db", "usr", "pwd", OCI_SESSION_DEFAULT);
st = OCI_StatementCreate(cn);
OCI_Immediate(cn, "select rowid from products where code = 1", OCI_ARG_TEXT, rowid);
OCI_Prepare(st, "select code, name, rowid from products where rowid = :id");
OCI_BindString(st, ":id", rowid, (unsigned int) strlen(rowid));
OCI_Execute(st);
rs = OCI_GetResultset(st);
OCI_FetchNext(rs);
printf("code [%d], name [%s], rowid [%s]", OCI_GetInt(rs, 1), OCI_GetString(rs, 2), OCI_GetString(rs, 3));
OCI_StatementFree(st);
OCI_ConnectionFree(cn);
OCI_Cleanup();
return EXIT_SUCCESS;
}
void worker(OCI_Thread *thread, void *data)
{
OCI_Connection *cn = OCI_PoolGetConnection(data, NULL);
char str[SIZE_STR+1];
/* application work here */
str[0] = 0;
OCI_Immediate(cn, "select to_char(sysdate, 'YYYYMMDD HH24:MI:SS') from dual", OCI_ARG_TEXT, str);
printf("%s\n", str);
/* ... */
OCI_ConnectionFree(cn);
}
int main(void)
{
OCI_Connection *cn;
OCI_Statement *st;
OCI_Resultset *rs;
int code = 1;
char name[50];
if (!OCI_Initialize(NULL, NULL, OCI_ENV_DEFAULT))
return EXIT_FAILURE;
cn = OCI_ConnectionCreate("db", "usr", "pwd", OCI_SESSION_DEFAULT);
st = OCI_StatementCreate(cn);
/* sql format with params ----------------------------------------------- */
OCI_ExecuteStmtFmt(st, "select article from test_fetch where code = %i", code);
rs = OCI_GetResultset(st);
while (OCI_FetchNext(rs))
printf("article : %s\n", OCI_GetString(rs, 1));
/* sql immediate (parse, exec, one fetch) ------------------------------- */
OCI_Immediate(cn, "select code, article from test_fetch where code = 1",
OCI_ARG_INT, &code, OCI_ARG_TEXT, name);
printf("article : %s - code %i\n", name, code);
/* sql immediate (parse, exec, one fetch) with params ------------------- */
OCI_ImmediateFmt(cn, "select article from test_fetch where code = %i",
code, OCI_ARG_TEXT, name);
printf("article : %s\n", name);
OCI_Cleanup();
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
OCI_Connection *con;
OCI_Enqueue *enq;
OCI_Dequeue *deq1;
OCI_Dequeue *deq2;
OCI_Msg *msg;
OCI_TypeInfo *inf;
OCI_Object *obj;
OCI_Agent *agents[2];
OCI_Initialize(err_handler, NULL, OCI_ENV_DEFAULT | OCI_ENV_THREADED |OCI_ENV_EVENTS);
con = OCI_ConnectionCreate("db", "usr", "pwd", OCI_SESSION_DEFAULT);
OCI_Immediate(con, "create type my_message as object (title varchar2(50), content varchar2(50)) ");
OCI_QueueTableCreate(con, "my_queue_table", "my_message", NULL, NULL, TRUE, FALSE, NULL, 0,0,NULL);
OCI_QueueCreate(con, "my_queue", "my_queue_table", OCIT_NORMAL, 0, 0, 0, 0, NULL);
OCI_QueueStart(con, "my_queue", TRUE, TRUE);
agents[0] = OCI_AgentCreate(con, "C1", NULL);
agents[1] = OCI_AgentCreate(con, "C2", NULL);
inf = OCI_TypeInfoGet(con, "MY_MESSAGE", OCI_TIF_TYPE);
enq = OCI_EnqueueCreate(inf, "my_queue");
deq1 = OCI_DequeueCreate(inf, "my_queue");
deq2 = OCI_DequeueCreate(inf, "my_queue");
OCI_DequeueSetConsumer(deq1, "C1");
OCI_DequeueSetNavigation(deq1, OCI_ADN_FIRST_MSG);
OCI_DequeueSetConsumer(deq2, "C2");
OCI_DequeueSetNavigation(deq2, OCI_ADN_FIRST_MSG);
OCI_DequeueSubscribe(deq1, 9998, 0, on_message);
OCI_DequeueSubscribe(deq2, 9999, 0, on_message);
msg = OCI_MsgCreate(inf);
obj = OCI_ObjectCreate(con, inf);
OCI_ObjectSetString(obj, "TITLE", "NEXT MEETING");
OCI_ObjectSetString(obj, "CONTENT", "12:00 PM IN STARBUCKS");
OCI_MsgSetObject(msg, obj);
OCI_MsgSetConsumers(msg, agents, 2);
OCI_EnqueuePut(enq, msg);
OCI_MsgFree(msg);
OCI_ObjectFree(obj);
OCI_Commit(con);
getchar();
OCI_DequeueUnsubscribe(deq1);
OCI_DequeueUnsubscribe(deq2);
OCI_AgentFree(agents[0]);
OCI_AgentFree(agents[1]);
OCI_EnqueueFree(enq);
OCI_DequeueFree(deq1);
OCI_DequeueFree(deq2);
OCI_QueueStop(con, "my_queue", TRUE, TRUE, 0);
OCI_QueueDrop(con, "my_queue");
OCI_QueueTableDrop(con, "my_queue_table", TRUE);
OCI_Immediate(con, "drop type my_message");
OCI_ConnectionFree(con);
OCI_Cleanup();
return EXIT_SUCCESS;
}