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

81 lines
2.4 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;
SQLLEN cbParam1;
long longparam;
SQL_INTERVAL_STRUCT intervalval;
char *sql;
char buf[40];
SQLINTEGER ld;
test_connect();
rc = SQLAllocStmt(conn, &hstmt);
if (!SQL_SUCCEEDED(rc))
{
print_diag("failed to allocate stmt handle", SQL_HANDLE_DBC, conn);
exit(1);
}
/*
* The interval stuff requires intervalstyle=postgres at the momemnt.
* Someone should fix the driver to understand other formats,
* postgres_verbose in particular...
*/
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SET intervalstyle=postgres", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_result(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Run a query with a result set with all kinds of values */
sql = "SELECT "
"'foo'::varchar(10) AS varcharcol,\n"
"123::integer as integercol,\n"
"'10 years'::interval AS intervalyears,\n"
"'11 months'::interval AS intervalmonths,\n"
"'12 days'::interval AS intervaldays\n";
rc = SQLExecDirect(hstmt, (SQLCHAR *) sql, SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
/* Fetch result */
rc = SQLFetch(hstmt);
CHECK_STMT_RESULT(rc, "SQLFetch failed", hstmt);
rc = SQLGetData(hstmt, 1, SQL_C_CHAR, buf, sizeof(buf), NULL);
CHECK_STMT_RESULT(rc, "SQLGetData failed", hstmt);
printf("varcharcol: %s\n", buf);
rc = SQLGetData(hstmt, 2, SQL_C_LONG, &ld, sizeof(ld), NULL);
CHECK_STMT_RESULT(rc, "SQLGetData failed", hstmt);
printf("integercol: %ld\n", ld);
rc = SQLGetData(hstmt, 3, SQL_C_INTERVAL_YEAR, &intervalval, sizeof(intervalval), NULL);
CHECK_STMT_RESULT(rc, "SQLGetData failed", hstmt);
printf("intervalyears: %ld\n", intervalval.intval.year_month.year);
rc = SQLGetData(hstmt, 4, SQL_C_INTERVAL_MONTH, &intervalval, sizeof(intervalval), NULL);
CHECK_STMT_RESULT(rc, "SQLGetData failed", hstmt);
printf("intervalmonths: %ld\n", intervalval.intval.year_month.month);
rc = SQLGetData(hstmt, 5, SQL_C_INTERVAL_DAY, &intervalval, sizeof(intervalval), NULL);
CHECK_STMT_RESULT(rc, "SQLGetData failed", hstmt);
printf("intervaldays: %ld\n", intervalval.intval.day_second.day);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Clean up */
test_disconnect();
}