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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dpi.h>
static dpiContext *g_context;
#define chkerr(func) do { \
if ((func) < 0) { \
dpiErrorInfo err; \
dpiContext_getError(g_context, &err); \
printf("ERROR at line %d\n %s\n %s\n", __LINE__, #func, err.message); \
exit(1); \
} \
} while (0)
#define NUM_ATTRS 12
static const char *env(const char *name, const char *default_value)
{
const char *value = getenv(name);
if (value == NULL) {
value = default_value;
}
return value;
}
int main()
{
const char *username = env("ODPIC_SAMPLES_MAIN_USER", "odpicdemo");
const char *password = env("ODPIC_SAMPLES_MAIN_PASSWORD", "welcome");
const char *connectString = env("ODPIC_SAMPLES_CONNECT_STRING", "localhost/orclpdb");
const char *sql = "begin :1 := :2; end;";
const char *num_str = "-123456789012345678901234567890123456789";
dpiErrorInfo err;
dpiConn *conn;
dpiStmt *stmt;
dpiVar *var1, *var2;
dpiData *data1, *data2;
uint32_t numQueryColumns;
uint32_t bufferRowIndex;
int found;
int i;
if (dpiContext_create(DPI_MAJOR_VERSION, DPI_MINOR_VERSION, &g_context, &err) < 0) {
printf("ERROR\n dpiContext_create()\n %s\n", err.message);
exit(1);
}
chkerr(dpiConn_create(g_context, username, strlen(username), password, strlen(password),
connectString, strlen(connectString), NULL, NULL, &conn));
chkerr(dpiConn_newVar(conn, DPI_ORACLE_TYPE_NUMBER, DPI_NATIVE_TYPE_BYTES, 1, 0, 0, 0, NULL, &var1, &data1));
chkerr(dpiConn_newVar(conn, DPI_ORACLE_TYPE_NUMBER, DPI_NATIVE_TYPE_BYTES, 1, 0, 0, 0, NULL, &var2, &data2));
chkerr(dpiVar_setFromBytes(var2, 0, num_str, strlen(num_str)));
chkerr(dpiConn_prepareStmt(conn, 0, sql, strlen(sql), NULL, 0, &stmt));
chkerr(dpiStmt_bindByPos(stmt, 1, var1));
chkerr(dpiStmt_bindByPos(stmt, 2, var2));
chkerr(dpiStmt_execute(stmt, 0, &numQueryColumns));
chkerr(dpiStmt_release(stmt));
chkerr(dpiVar_release(var1));
chkerr(dpiVar_release(var2));
chkerr(dpiConn_release(conn));
return 0;
}
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