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#include <stdio.h>
#include <stdlib.h>
#include "common.h"
int main(int argc, char **argv)
{
SQLRETURN rc;
HSTMT hstmt = SQL_NULL_HSTMT;
char *param1;
SQLLEN cbParam1;
test_connect_ext("AB=0x08;UseServerSidePrepare=1");
rc = SQLAllocHandle(SQL_HANDLE_STMT, conn, &hstmt);
if (!SQL_SUCCEEDED(rc))
{
print_diag("failed to allocate stmt handle", SQL_HANDLE_DBC, conn);
exit(1);
}
/**** A simple query with one text param ****/
rc = SQLExecDirect(hstmt, (SQLCHAR *) "CREATE TEMPORARY TABLE nulldate (d date)", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
/*
* Bind empty string to the date param. In cvt_null_date mode, the driver
* maps it to NULL. (In normal mode, the driver fills in the current date)
*/
param1 = "";
cbParam1 = SQL_NTS;
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_CHAR, /* value type */
SQL_CHAR, /* param type */
5, /* column size */
0, /* dec digits */
param1, /* param value ptr */
0, /* buffer len */
&cbParam1 /* StrLen_or_IndPtr */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
/* Execute */
rc = SQLExecDirect(hstmt, (SQLCHAR *) "INSERT INTO nulldate VALUES (?)", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
/* Check the resulting table */
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SELECT d IS NULL FROM nulldate", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_result(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Check how the NULL comes out when we read it back */
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SELECT d FROM nulldate", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_result(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Clean up */
test_disconnect();
return 0;
}
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