Files
openGauss-connector-odbc/odbc-test-gauss/params-test.c
2020-06-24 16:11:37 +08:00

63 lines
1.5 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "common.h"
int main(int argc, char **argv)
{
SQLRETURN rc;
HSTMT hstmt = SQL_NULL_HSTMT;
char param1[20] = { 1, 2, 3, 4, 5, 6, 7, 8 };
SQLLEN cbParam1;
long longparam;
SQL_INTERVAL_STRUCT intervalparam;
SQLSMALLINT colcount;
test_connect();
rc = SQLAllocStmt(conn, &hstmt);
if (!SQL_SUCCEEDED(rc))
{
print_diag("failed to allocate stmt handle", SQL_HANDLE_DBC, conn);
exit(1);
}
/**** Query with a bytea param ****/
/* Prepare a statement */
rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT id, t FROM byteatab WHERE t = ?", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* bind param */
cbParam1 = 8;
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_BINARY, /* value type */
SQL_BINARY, /* param type */
20, /* column size */
0, /* dec digits */
param1, /* param value ptr */
0, /* buffer len */
&cbParam1 /* StrLen_or_IndPtr */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
/* Test SQLNumResultCols, called before SQLExecute() */
rc = SQLNumResultCols(hstmt, &colcount);
CHECK_STMT_RESULT(rc, "SQLNumResultCols failed", hstmt);
printf("# of result cols: %d\n", colcount);
/* Execute */
rc = SQLExecute(hstmt);
CHECK_STMT_RESULT(rc, "SQLExecute failed", hstmt);
/* Fetch result */
print_result(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Clean up */
test_disconnect();
return 0;
}