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#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "common.h"
int main(int argc, char **argv)
{
int rc;
HSTMT hstmt = SQL_NULL_HSTMT;
/*
* NOTE: in the psqlodbc, we assume that SQL_C_LONG actually means a
* variable of type SQLINTEGER. They are not the same on platforms where
* "long" is a 64-bit integer. That seems a bit bogus, but it's too late
* to change that without breaking applications that depend on it.
* (on little-endian systems, you won't notice the difference if you reset
* the high bits to zero before calling SQLBindCol.)
*/
SQLINTEGER longvalue;
SQLLEN indLongvalue;
char charvalue[100];
SQLLEN indCharvalue;
int rowno;
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);
}
rc = SQLBindCol(hstmt, 1, SQL_C_LONG, &longvalue, 0, &indLongvalue);
CHECK_STMT_RESULT(rc, "SQLBindCol failed", hstmt);
rc = SQLBindCol(hstmt, 2, SQL_C_CHAR, &charvalue, sizeof(charvalue), &indCharvalue);
CHECK_STMT_RESULT(rc, "SQLBindCol failed", hstmt);
rc = SQLExecDirect(hstmt, (SQLCHAR *)
"SELECT id, 'foo' || id FROM generate_series(1, 10) id", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
printf("Result set:\n");
rowno = 0;
while(1)
{
rc = SQLFetch(hstmt);
if (rc == SQL_NO_DATA)
break;
if (rc == SQL_SUCCESS)
{
printf("%ld %s\n", (long) longvalue, charvalue);
}
else
{
print_diag("SQLFetch failed", SQL_HANDLE_STMT, hstmt);
exit(1);
}
/*
* At row 3, unbind the text field. At row 5, bind it again.
* At row 7, unbind both columns with SQLFreeStmt(SQL_UNBIND).
* At row 9, bind text field again.
*/
rowno++;
if (rowno == 3)
{
rc = SQLBindCol(hstmt, 2, SQL_C_CHAR, NULL, 0, NULL);
CHECK_STMT_RESULT(rc, "SQLBindCol failed", hstmt);
}
if (rowno == 7)
{
rc = SQLFreeStmt(hstmt, SQL_UNBIND);
CHECK_STMT_RESULT(rc, "SQLFreeStmt(SQL_UNBIND) failed", hstmt);
}
if (rowno == 5 || rowno == 9)
{
rc = SQLBindCol(hstmt, 2, SQL_C_CHAR, &charvalue, sizeof(charvalue), &indCharvalue);
CHECK_STMT_RESULT(rc, "SQLBindCol failed", hstmt);
}
}
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/* Clean up */
test_disconnect();
return 0;
}
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