Created
February 13, 2017 13:35
-
-
Save kubo/a4ea764a15044a0a8c1e57e0b1d3b6d8 to your computer and use it in GitHub Desktop.
ODPI-C issue
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <dpi.h> | |
static dpiContext *gContext = NULL; | |
#define CHK_WITH_ERR(func, err) do { \ | |
int rv = (func); \ | |
if (rv < 0) { \ | |
dpiErrorInfo *errinfo = (err); \ | |
dpiErrorInfo errinfobuf; \ | |
if (errinfo == NULL) { \ | |
dpiContext_getError(gContext, &errinfobuf); \ | |
errinfo = &errinfobuf; \ | |
} \ | |
fprintf(stderr, "FUNC: %s\nERROR: %.*s (%s: %s)\n", #func, \ | |
errinfo->messageLength, errinfo->message, errinfo->fnName, errinfo->action); \ | |
exit(1); \ | |
} \ | |
} while(0) | |
#define CHK(func) CHK_WITH_ERR(func, NULL) | |
int main() | |
{ | |
dpiErrorInfo err; | |
const char *username = "scott"; | |
const char *password = "tiger"; | |
const char *connect_string = ""; | |
const char *sqltext = "select UTL_RAW.CAST_TO_NUMBER('7F0202020202020202020202020202020202020202') from dual"; | |
dpiConn *conn; | |
dpiStmt *stmt; | |
dpiVar *var; | |
dpiData *data; | |
uint32_t num_cols; | |
int found; | |
uint32_t buffer_row_index; | |
CHK_WITH_ERR(dpiContext_create(DPI_MAJOR_VERSION, DPI_MINOR_VERSION, &gContext, &err), &err); | |
CHK(dpiConn_create(gContext, username, strlen(username), | |
password, strlen(password), connect_string, strlen(connect_string), | |
NULL, NULL, &conn)); | |
CHK(dpiConn_prepareStmt(conn, 0, sqltext, strlen(sqltext), NULL, 0, &stmt)); | |
CHK(dpiStmt_setFetchArraySize(stmt, 1)); | |
printf("define as DPI_ORACLE_TYPE_VARCHAR and DPI_NATIVE_TYPE_BYTES\n"); | |
CHK(dpiStmt_execute(stmt, 0, &num_cols)); | |
CHK(dpiConn_newVar(conn, DPI_ORACLE_TYPE_VARCHAR, DPI_NATIVE_TYPE_BYTES, 1, | |
180, 0, 0, NULL, &var, &data)); | |
CHK(dpiStmt_define(stmt, 1, var)); | |
CHK(dpiStmt_fetch(stmt, &found, &buffer_row_index)); | |
printf(" isNull=0x%x\n", data->isNull); | |
printf(" len=%u\n", data->value.asBytes.length); | |
printf(" str=%.*s\n\n", data->value.asBytes.length, data->value.asBytes.ptr); | |
dpiVar_release(var); | |
printf("define as DPI_ORACLE_TYPE_NUMBER and DPI_NATIVE_TYPE_BYTES\n"); | |
CHK(dpiStmt_execute(stmt, 0, &num_cols)); | |
CHK(dpiConn_newVar(conn, DPI_ORACLE_TYPE_NUMBER, DPI_NATIVE_TYPE_BYTES, 1, | |
180, 0, 0, NULL, &var, &data)); | |
CHK(dpiStmt_define(stmt, 1, var)); | |
CHK(dpiStmt_fetch(stmt, &found, &buffer_row_index)); | |
printf(" isNull=0x%x\n", data->isNull); | |
printf(" len=%u\n", data->value.asBytes.length); | |
printf(" str=%p\n", data->value.asBytes.ptr); | |
dpiVar_release(var); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment