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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;
SQLINTEGER longparam;
SQL_INTERVAL_STRUCT intervalparam;
SQLSMALLINT colcount;
char byteaParam[5000];
int i;
test_connect();
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 *) "SET intervalstyle=postgres_verbose", SQL_NTS);
/* Prepare a statement */
rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT id, t::varchar(25) FROM testtab1 WHERE t = ?", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* bind param */
param1 = "bar";
cbParam1 = SQL_NTS;
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_CHAR, /* value type */
SQL_CHAR, /* 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);
/**** A query with an integer param ****/
/* Prepare a statement */
rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT id, t FROM testtab1 WHERE id = ?", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* bind param */
longparam = 3;
cbParam1 = sizeof(longparam);
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_SLONG, /* value type */
SQL_INTEGER, /* param type */
0, /* column size (ignored for SQL_INTEGER) */
0, /* dec digits */
&longparam, /* param value ptr */
sizeof(longparam), /* buffer len (ignored for SQL_INTEGER) */
&cbParam1 /* StrLen_or_IndPtr (ignored for SQL_INTEGER) */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
/* 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);
/**** Test a query with a bytea param of various sizes. ****/
/*
* The driver has some special handling for byteas, as it sends them in
* binary mode. This particular test case exercises an old bug where
* the bind packet size was calculated incorrectly, and there was an
* out-of-bounds write of two bytes when the total packet size was exactly
* 4097 bytes. So, exercise packet sizes near that boundary.
*/
rc = SQLExecDirect(hstmt,
(SQLCHAR *) "CREATE TEMPORARY TABLE btest (len int4, b bytea)",
SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
/* Prepare a statement */
rc = SQLPrepare(hstmt, (SQLCHAR *) "INSERT INTO btest VALUES(?, ?)", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* fill in test data */
for (i = 0; i < sizeof(byteaParam); i++)
byteaParam[i] = (char) i;
printf ("inserting bytea values...");
for (i = 4000; i < 4100; i++)
{
printf(" %d", i); fflush(stdout);
/* bind int param */
longparam = i;
cbParam1 = sizeof(longparam);
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_SLONG, /* value type */
SQL_INTEGER, /* param type */
0, /* column size (ignored for SQL_INTEGER) */
0, /* dec digits */
&longparam, /* param value ptr */
sizeof(longparam), /* buffer len (ignored for SQL_INTEGER) */
&cbParam1 /* StrLen_or_IndPtr (ignored for SQL_INTEGER) */);
CHECK_STMT_RESULT(rc, "\nSQLBindParameter failed", hstmt);
cbParam1 = i;
rc = SQLBindParameter(hstmt, 2, SQL_PARAM_INPUT,
SQL_C_BINARY, /* value type */
SQL_VARBINARY, /* param type */
sizeof(byteaParam), /* column size */
0, /* dec digits */
byteaParam, /* param value ptr */
sizeof(byteaParam), /* buffer len */
&cbParam1 /* StrLen_or_IndPtr */);
CHECK_STMT_RESULT(rc, "\nSQLBindParameter failed", hstmt);
/* Execute */
rc = SQLExecute(hstmt);
CHECK_STMT_RESULT(rc, "\nSQLExecute failed", hstmt);
}
printf(" done!\n");
printf("Now reading them back...\n");
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Check the inserted data */
rc = SQLExecDirect(hstmt,
(SQLCHAR *) "SELECT len, length(b) FROM btest",
SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_result(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/**** A query with an interval param (SQL_C_INTERVAL_SECOND) ****/
/* Prepare a statement */
rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT id, iv, d FROM intervaltable WHERE iv < ?", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* bind param */
intervalparam.interval_type = SQL_IS_SECOND;
intervalparam.interval_sign = 0;
intervalparam.intval.day_second.day = 1;
intervalparam.intval.day_second.hour = 2;
intervalparam.intval.day_second.minute = 3;
intervalparam.intval.day_second.second = 4;
intervalparam.intval.day_second.fraction = 5;
cbParam1 = sizeof(intervalparam);
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_INTERVAL_SECOND, /* value type */
SQL_INTERVAL_SECOND, /* param type */
0, /* column size (ignored for SQL_INTERVAL_SECOND) */
0, /* dec digits */
&intervalparam, /* param value ptr */
sizeof(intervalparam), /* buffer len (ignored for SQL_C_INTERVAL_SECOND) */
&cbParam1 /* StrLen_or_IndPtr (ignored for SQL_C_INTERVAL_SECOND) */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
/* 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);
/****
* With BoolsAsChar=1, a varchar param with column_size=5 forces a
* server-side Prepare. So test that.
*/
/* Prepare a statement */
rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT id, t::varchar(25) FROM testtab1 WHERE id = ?", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* bind param */
param1 = "2";
cbParam1 = SQL_NTS;
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_CHAR, /* value type */
SQL_VARCHAR, /* param type */
5, /* column size. 5 Triggers special
* behavior with BoolsAsChar=1 */
0, /* dec digits */
param1, /* param value ptr */
0, /* buffer len */
&cbParam1 /* StrLen_or_IndPtr */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
/* Test SQLNumResultCols/SQLDescribeCol, called before SQLExecute() */
rc = SQLNumResultCols(hstmt, &colcount);
CHECK_STMT_RESULT(rc, "SQLNumResultCols failed", hstmt);
printf("# of result cols: %d\n", colcount);
for (i = 1; i <= colcount; i++)
{
SQLCHAR colname[64];
SQLSMALLINT collen, type, scale;
SQLULEN len;
rc = SQLDescribeCol(hstmt, i, colname, sizeof(colname), &collen, &type, &len, &scale, NULL);
CHECK_STMT_RESULT(rc, "SQLDescribeCol failed", hstmt);
printf("col:%d name=%s type=%d len=%d\n", i, colname, type, (int) len);
}
/* Execute */
rc = SQLExecute(hstmt);
CHECK_STMT_RESULT(rc, "SQLExecute failed", hstmt);
/* Fetch result */
print_result(hstmt);
rc = SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
if (!SQL_SUCCEEDED(rc))
{
print_diag("SQLFreeStmt failed", SQL_HANDLE_STMT, hstmt);
exit(1);
}
/* Clean up */
test_disconnect();
return 0;
}
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