Created
October 25, 2017 10:03
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <dpi.h> | |
static dpiContext *g_context; | |
#ifndef ARRAY_SIZE | |
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) | |
#endif | |
#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) | |
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 *sqltext = "merge info ..."; // not a valid sql but enought to call dpiStmt_getInfo(). | |
dpiErrorInfo err; | |
dpiConn *conn; | |
dpiStmt *stmt; | |
dpiStmtInfo stmtInfo; | |
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_prepareStmt(conn, 0, sqltext, strlen(sqltext), NULL, 0, &stmt)); | |
chkerr(dpiStmt_getInfo(stmt, &stmtInfo)); | |
printf("SQL: %s\n" | |
" isQuery: %d\n" | |
" isPLSQL: %d\n" | |
" isDDL: %d\n" | |
" isDML: %d\n" | |
" statementType: %d\n" | |
" isReturning: %d\n", | |
sqltext, stmtInfo.isQuery, stmtInfo.isPLSQL, | |
stmtInfo.isDDL, stmtInfo.isDML, | |
stmtInfo.statementType, stmtInfo.isReturning); | |
chkerr(dpiStmt_release(stmt)); | |
chkerr(dpiConn_release(conn)); | |
return 0; | |
} |
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