static PyObject* CnxnInfo_New(Connection* cnxn)
{
#ifdef _MSC_VER
#pragma warning(disable : 4365)
#endif
CnxnInfo* p = PyObject_NEW(CnxnInfo, &CnxnInfoType);
if (!p)
return 0;
Object info((PyObject*)p);
// set defaults
p->odbc_major = 0;
p->odbc_minor = 0;
p->supports_describeparam = false;
p->datetime_precision = 19; // default: "yyyy-mm-dd hh:mm:ss"
p->need_long_data_len = false;
p->varchar_maxlength = 1 * 1024 * 1024 * 1024;
p->wvarchar_maxlength = 1 * 1024 * 1024 * 1024;
p->binary_maxlength = 1 * 1024 * 1024 * 1024;
// WARNING: The GIL lock is released for the *entire* function here. Do not
// touch any objects, call Python APIs, etc. We are simply making ODBC
// calls and setting atomic values (ints & chars). Also, make sure the lock
// gets released -- do not add an early exit.
SQLRETURN ret;
Py_BEGIN_ALLOW_THREADS
char szVer[20];
SQLSMALLINT cch = 0;
ret = SQLGetInfo(cnxn->hdbc, SQL_DRIVER_ODBC_VER, szVer, _countof(szVer), &cch);
if (SQL_SUCCEEDED(ret))
{
char* dot = strchr(szVer, '.');
if (dot)
{
*dot = '\0';
p->odbc_major=(char)atoi(szVer);
p->odbc_minor=(char)atoi(dot + 1);
}
}
char szYN[2];
if (SQL_SUCCEEDED(SQLGetInfo(cnxn->hdbc, SQL_DESCRIBE_PARAMETER, szYN, _countof(szYN), &cch)))
p->supports_describeparam = szYN[0] == 'Y';
if (SQL_SUCCEEDED(SQLGetInfo(cnxn->hdbc, SQL_NEED_LONG_DATA_LEN, szYN, _countof(szYN), &cch)))
p->need_long_data_len = (szYN[0] == 'Y');
GetColumnSize(cnxn, SQL_VARCHAR, &p->varchar_maxlength);
GetColumnSize(cnxn, SQL_WVARCHAR, &p->wvarchar_maxlength);
GetColumnSize(cnxn, SQL_VARBINARY, &p->binary_maxlength);
GetColumnSize(cnxn, SQL_TYPE_TIMESTAMP, &p->datetime_precision);
Py_END_ALLOW_THREADS
return info.Detach();
}
TdsColumnData::TdsColumnData(TDSCOLUMN* pColumn)
{
m_nColumnType = GetColumnType(pColumn);
m_nColumnSize = GetColumnSize(pColumn);
m_strColumnName = GetColumnName(pColumn);
}
